EXHIBIT 4.3
 
                                AMENDMENT NO. 6


     This AMENDMENT NO. 6 (this "Amendment") is dated as of October 16, 1995 and
entered into by and among BORG-WARNER SECURITY CORPORATION, a Delaware
corporation (the "Company"), the financial institutions listed on the signature
pages hereof (the "Banks") and THE LONG-TERM CREDIT BANK OF JAPAN, LTD., as
Agent for the Banks (the "Agent") and, for purposes of Section 6 hereof, the
Credit Support Parties (as defined in Section 6 hereof) listed on the signature
pages hereof, and is made with reference to that certain Credit Agreement dated
as of January 27, 1993, as amended as of November 2, 1993, January 24, 1994,
June 30, 1994, December 14, 1994 and March 15, 1995 (as so amended, the "Credit
Agreement"), by and among the Company, the Banks and the Agent.  Capitalized
terms used herein without definition shall have the same meanings herein as set
forth in the Credit Agreement.


                                    RECITALS

     WHEREAS, the Company and the Banks wish to amend the Credit Agreement with
respect to (i) the provisions relating to the Scheduled Commitment Termination
Date, (ii) the financial covenants, (iii) certain other covenants thereof,
including without limitation to permit the Company to enter in a $200,000,000
senior term loan facility to be equally and ratably secured with the
Obligations, (iv) certain Banks' Commitments, (v) the Total Commitment Amount,
and (vi) certain fees; and

     WHEREAS, subject to the terms and conditions of this Amendment, the Banks
are willing to agree to such amendments;

     NOW, THEREFORE, in consideration of the premises and the agreements,
provisions and covenants herein contained, the parties hereto agree as follows:

 
1.  AMENDMENTS

     (a)  The Scheduled Commitment Termination Date is hereby extended from
January 27, 1997 to December 31, 1998, and the date "December 31, 1998" is
substituted for the date "January 27, 1997" in the definition of "Scheduled
Commitment Termination Date" in Annex I to the Credit Agreement.

     (b)  The Total Commitment Amount is hereby reduced from $180,000,000 to
$155,000,000 and the number "155,000,000" is substituted for the number
"180,000,000" in the definition of "Total Commitment Amount" in Annex I to the
Credit Agreement.

     (c) Section 2.4 of the Credit Agreement is amended by deleting Section
2.4.H in its entirety.

     (d) Section 2.5 of the Credit Agreement relating to the letter of credit
fee rate and the commitment fee rate is hereby amended by deleting it in its
entirety and by substituting therefor the following:

     "SECTION 2.5  Letter of Credit Fee Rates; Commitment Fee Rate.

          The commitment fee rate shall be 0.50% per annum. From September 30,
     1995 through and including September 30, 1996, the letter of credit fee
     rate shall be 2.50% per annum. Thereafter the letter of credit fee rate for
     any fiscal quarter shall be equal to the rate per annum set forth opposite
     the Company's Interest Coverage Ratio for the twelve-month period
     immediately preceding the fiscal quarter for which the determination is
     being made.

          Interest                 Letter of
       Coverage Ratio           Credit Fee Rate
     -------------------        ---------------

     Less than 2.25:1.00             2.50%
  
     Less than 2.75:1.00             2.25%
     but greater than or
     equal to 2.25:1.00              

                                      -2-

 
     Less than 4.00:1.00             2.00%
     but greater than or
     equal to 2.75:1.00

     Equal to or greater than        1.75%
     4.00:1.00 but less than
     4.50:1.00

     Equal to or greater than        1.50%
     4.50:1.00

          Upon delivery of the Compliance Certificate pursuant to Section
     5.1(iv) of the Credit Agreement, the letter of credit fee rate shall
     automatically be adjusted in accordance with the Interest Coverage Ratio
     for the 12-month period immediately preceding the fiscal quarter for which
     the determination is being made as set forth in such Compliance Certificate
     and the table set forth above, such adjustment to be retroactive to the
     first day of the fiscal quarter during which such Compliance Certificate is
     delivered; provided that any payment made with respect to a Letter of
     Credit on other than a Quarterly Payment Date shall not be adjusted. For
     purposes of the Quarterly Payment Date that is the last Business Day of
     February, at least 15 days prior to such Quarterly Payment Date, the
     Company shall deliver to the Agent a good faith estimate of the Interest
     Coverage Ratio for the 12-month period ending on the last day of the
     Company's fourth fiscal quarter, which estimate shall be used to determine
     the letter of credit fee rate. Upon delivery of the Compliance Certificate
     for such period, appropriate adjustment of the letter of credit fee rate
     and amounts paid shall be made. If the Company fails to deliver a
     Compliance Certificate which sets forth the information necessary to
     determine the Interest Coverage Ratio during any fiscal quarter, the letter
     of credit fee rate during the fiscal quarter for which such Compliance
     Certificate was not delivered shall automatically be adjusted to 2.50% per
     annum."

                                      -3-

 
     (e) Section 4.1.D of the Credit Agreement is hereby amended by deleting the
third sentence thereof in its entirety and substituting "As of June 30, 1995,
the Material Subsidiaries own not less than 83% of the value of all tangible
assets of Credit Parties taken as a whole." therefor.

     (f)  Section 4.4 of the Credit Agreement is hereby amended by deleting the
reference to "December 31, 1991" contained in the first sentence thereof and
substituting therefor "December 31, 1994".

     (g)  (i)  Section 5.1 of the Credit Agreement is hereby amended by
     inserting the phrase "cash flows," immediately after the phrase "operating
     profit," contained in clause (xii) thereof;

          (ii)  Section 5.1 of the Credit Agreement is hereby further amended by
     renumbering clause (xiv) thereof as clause (xv) and by adding a new clause
     (xiv) thereto as follows:

               "(xiv) together with each delivery of financial statements of the
          Company and its Subsidiaries pursuant to subsection (iii) above, a
          written notice setting forth with respect to each Person that became a
          Subsidiary of the Company (a) the date on which such Person became a
          Subsidiary of the Company and (b) all of the data required to be set
          forth in Schedule A annexed hereto with respect to all Subsidiaries of
          the Company (it being understood that such written notice shall be
          deemed to supplement Schedule A annexed hereto for all purposes of
          this Agreement); and"

     (h)  Section 5.6.B of the Credit Agreement is hereby amended by deleting it
in its entirety and by substituting therefor the following:

               "B.  Except with respect to specific property encumbered to
          secure payment of particular Indebtedness or to be sold pursuant to an
          executed agreement with respect to an Asset Sale, or as may be
          restricted by 

                                      -4-

 
          the 9-1/8% Subordinated Note Indenture, the Receivables Facilities,
          the Term Loan Facility or the BT Credit Agreement, neither the Company
          nor any of its Subsidiaries shall enter into any agreement prohibiting
          the creation or assumption of any Lien upon its properties or assets,
          whether now owned or hereafter acquired."

     (i)  (i) Section 5.10.A of the Credit Agreement is hereby amended by adding
the following proviso to the end of the first sentence thereof:

               "; and, provided further that the Company may pay routine costs
          and expenses related to BW-Other Corporation in the ordinary course of
          business consistent with past practices"

          (ii) Concurrently with the repayment in full of the Senior Notes,
     Section 5.10.A of the Credit Agreement shall be amended by deleting it in
     its entirety and by substituting the following therefor:

               "A. From and after the effective date of Amendment No. 6 hereto,
          the Company and its Subsidiaries may not make direct or indirect
          Investments in or become or be liable with respect to any Contingent
          Obligation with respect to BW-Other Corporation except for existing
          investments listed on Schedule E; provided, however, that prior to the
          effective date of Amendment No. 6 hereto, the Company may pay such
          amounts as have been disclosed in writing to the Agent as of such
          effective date and thereafter the Company may pay the Centaur
          Settlement Amount; and, provided, further that the Company may pay
          routine costs and expenses related to BW-Other Corporation in the
          ordinary course of business consistent with past practices. The
          Company will not and will not permit any of its Subsidiaries to
          directly or indirectly enter into or permit to exist any transaction
          between the Company and its Subsidiaries and BW-Other Corporation on
          terms that are less favorable to the Company and its

                                      -5-

 
          Subsidiaries than those that might be obtained from third parties."

     (j)  Section 6.1 of the Credit Agreement is hereby amended by:

          (1) deleting clause (iii) thereof in its entirety and substituting
     therefor the following:

               "(iii) The Company and its Consolidated Subsidiaries may remain
          liable with respect to each of the items of Existing Indebtedness
          described in Schedule C annexed hereto and any Indebtedness incurred
          to refinance such Existing Indebtedness; provided that after giving
          effect to such refinancing Indebtedness and the repayment of the
          corresponding Existing Indebtedness with the proceeds thereof, (a) the
          aggregate principal amount of the refinancing Indebtedness and the
          corresponding Existing Indebtedness so refinanced shall not be greater
          than the outstanding principal amount of such Existing Indebtedness
          immediately prior to such refinancing, (b) the weighted average life
          to maturity of such refinancing Indebtedness shall be no shorter than
          the Existing Indebtedness being refinanced and (c) such refinancing
          Indebtedness shall not be secured by any additional property than that
          which secures the Existing Indebtedness being refinanced;"

          (2) deleting clause (vi) thereof in its entirety and substituting
     therefor the following:

               "(vi) The Company may remain liable with respect to $150,000,000
          aggregate principal amount of the 9-1/8% Subordinated Notes;"

          (3) deleting clause (vii) thereof in its entirety and substituting
     therefor the following:

               "(vii) BPS Financial Services, Inc. may become and remain liable
          with respect to the Existing

                                      -6-

 
          Receivables Facility, the Receivables Bridge Facility and the New
          Receivables Facility and with respect to intercompany promissory notes
          in favor of the Company and its other Consolidated Subsidiaries,
          evidencing BPS Financial Services, Inc.'s obligations with respect to
          the purchase price of receivables purchased by BPS Financial Services,
          Inc. under the Existing Receivables Facility, the Receivables Bridge
          Facility or the New Receivables Facility provided that all
          intercompany promissory notes issued to the Company or Material
          Subsidiaries shall be pledged by the Company or such Material
          Subsidiaries to the Collateral Agent for the benefit of the Banks;"

          (4) deleting the phrase "clauses (i)-(vii) and clause (x)" from clause
     (viii) thereof and by substituting "clauses (i)-(vii) and clauses (x)-(xi)"
     therefor;

          (5) deleting the phrase "clauses (i)-(viii) and clause (x)" from
     clause (ix) thereof and by substituting therefor "clauses (i)-(viii) and
     clauses (x)-(xi)" and by deleting the word "and" at the end thereof;

          (6) deleting clause (x) thereof in its entirety and substituting
     therefor the following:

               "(x) Wells Fargo Alarm Services, Inc., BW-Canada Alarm (Wells
          Fargo) Corporation, and their respective wholly owned subsidiaries may
          become and remain liable with respect to the Alarm Services Contract
          Securitization Facility; the financing subsidiary established for the
          purpose of the Alarm Services Contract Securitization Facility may
          become and remain liable with respect to intercompany promissory notes
          in favor of Wells Fargo Alarm Services, Inc., BW-Canada Alarm (Wells
          Fargo) Corporation and their respective wholly owned subsidiaries and
          in favor of the Company evidencing such subsidiary's obligations with
          respect to the purchase price of receivables, contracts and/or leases
          under the Alarm Services Contract Securitization Facility; provided
          that all intercompany promissory

                                      -7-

 
          notes issued to the Company or Material Subsidiaries shall be pledged
          by the Company or such Material Subsidiaries to the Collateral Agent
          for the benefit of the Banks;"

          (7) by adding a new clauses (xi) and (xii) at the end of such Section
     6.1 as follows:

               "(xi) The Company may become and remain liable with respect to
          the Term Loan Facility; and

               (xii) In addition to the Indebtedness permitted by clauses 
          (i)-(xi), the Company and its Consolidated Subsidiaries may become and
          remain liable with respect to Indebtedness not exceeding $20,000,000
          in the aggregate outstanding at any time; provided however that any
          Indebtedness incurred by the Company or any Consolidated Subsidiary
          which constitutes a Foreign Entity pursuant to this Section 6.1(xii)
          shall reduce the amount available to the Company and such Consolidated
          Subsidiaries pursuant to Section 6.1(viii) by that same amount."

          (8) Concurrently with the repayment in full of the Senior Notes,
     clause (iv) of Section 6.1 of the Credit Agreement shall be amended by
     deleting it in its entirety and substituting the following therefor:

               "(iv) The Company and its Consolidated Subsidiaries may become
          and remain liable with respect to Indebtedness in respect of Capital
          Leases; provided that the aggregate outstanding amount of such Capital
          Leases does not exceed $30,000,000 at any time;"

          (9) Concurrently with the repayment in full of the Senior Notes,
     clause (viii) of Section 6.1 of the Credit Agreement shall be amended by
     deleting it in its entirety and substituting the following therefor:

               "(viii) In addition to the Indebtedness permitted by clauses 
          (i)-(vii) and clauses (x)-(xi), the

                                      -8-

 
          Company's Consolidated Subsidiaries which constitute Foreign Entities
          may incur and remain liable with respect to Indebtedness not exceeding
          at any one time $5,000,000 in aggregate outstanding principal amount;"

          (10) Concurrently with the repayment in full of the Senior Notes,
     clause (ix) of Section 6.1 of the Credit Agreement shall be amended by
     deleting it in its entirety and substituting therefor:

               "(ix)  [intentionally omitted];"

          (11) Concurrently with the repayment in full of the Senior Notes,
     clause (xii) of section 6.1 of the Credit Agreement shall be amended by
     deleting the proviso contained therein in its entirety.

     (k)  Section 6.2 of the Credit Agreement is hereby amended by:

          (1) deleting the phrase "the holders of the Additional Senior
     Indebtedness, including the holders of Indebtedness refinancing the Senior
     Notes in accordance with Section 6.1(iii)," from clause (ii) thereof and by
     substituting therefor the phrase "the holders of the Senior Notes, the
     lenders under the Term Loan Facility upon the agent thereunder".

          (2) deleting the clause (viii) thereof in its entirety and
     substituting therefor the following:

               "(viii) Liens in favor of the purchaser of receivables, contracts
          and/or leases from Wells Fargo Alarm Services, Inc., BW-Canada Alarm
          (Wells Fargo) Corporation, and their respective subsidiaries, which
          Liens are filed with respect to such receivables, contracts and/or
          leases in connection with the Alarm Services Contract Securitization
          Facility permitted under Section 6.1(x)."

                                      -9-

 
          (3) Concurrently with the repayment in full of the Senior Notes,
     clause (ii) of Section 6.2 shall be amended by deleting it in its entirety
     and substituting the following therefor:

               "(ii) Liens granted pursuant to the Collateral Documents in favor
          of the Collateral Agent for the benefit of the Banks, the holders of
          the Senior Notes, the lenders under the Term Loan Facility upon the
          agent thereunder signing an acknowledgment to the Intercreditor
          Agreement, the lenders under the BT Credit Agreement, the
          beneficiaries of the guaranties permitted pursuant to Section 6.4(iii)
          and, as may be otherwise approved from time to time by the Required
          Banks and as shall sign an acknowledgement to the Intercreditor
          Agreement;"

     (l)  Section 6.3 of the Credit Agreement is hereby amended by:

          (1) deleting clause (iii) in its entirety and substituting therefor
     the following:

               "(iii) The Company and its Consolidated Subsidiaries may make
          intercompany loans to the extent permitted under Section 6.1(ii); the
          Company and its Consolidated Subsidiaries may own the Investments
          existing on the Closing Date in the Company's Subsidiaries; the
          Company and its Consolidated Subsidiaries may make and own additional
          Investments after the Closing Date in Consolidated Subsidiaries which
          constitute Material Subsidiaries or in Consolidated Subsidiaries which
          are both Borg-Warner Guarantor Subsidiaries and Borg-Warner Pledged
          Subsidiaries; and Wells Fargo Alarm Services, Inc. and BW-Canada Alarm
          (Wells Fargo) Corporation may make and own Investments approved by the
          Required Banks in financing subsidiaries established for the purpose
          of purchasing and selling receivables, contracts and/or leases in
          connection with the Alarm Services Contract

                                      -10-

 
          Securitization Facility permitted pursuant to Section 6.1(x);"

          (2) deleting the word "and" from the end of clause (v).

          (3) deleting clause (vi) thereof in its entirety and substituting
     therefor the following:

               "(vi) The Company and its Consolidated Subsidiaries may make
          intercompany investments in BPS Financial Services, Inc. to the extent
          permitted pursuant to Section 6.1(vii);"

          (3) adding new clauses (vii) and (viii) at the end of such Section 6.3
     as follows:

               "(vii) The Company and its Consolidated Subsidiaries may create
          or acquire new Consolidated Subsidiaries and make Investments in such
          Consolidated Subsidiaries to the extent not otherwise prohibited under
          this Agreement provided that the aggregate amount of all such
          Investments, (x) to the extent such creation or acquisition
          constitutes a Consolidated Capital Expenditure, does not exceed the
          Consolidated Capital Expenditure amount permitted pursuant to Section
          6.6.E and (y) together with all amounts expended pursuant to Section
          6.7(iii) and (iv), does not exceed the amount permitted by Sections
          6.7(iii) and (iv); and

               (viii) The Company and its Consolidated Subsidiaries may create
          or acquire Joint Ventures to the extent not otherwise prohibited
          pursuant to this Agreement provided that the aggregate amount expended
          for all such Investments does not exceed $5,000,000."

     (m)  Section 6.4 of the Credit Agreement is hereby amended by:

                                      -11-

 
          (1) adding at the end of clause (ii) thereof the following "and
     Contingent Obligations under substantially similar Loan Guaranties in favor
     of the Collateral Agent under the Intercreditor Agreement for the benefit
     of the lenders under the Term Loan Facility and the lenders under the BT
     Credit Agreement;"

          (2) deleting the phrase "or the lenders under the BT Credit Agreement"
     from clause (iii) thereof each place it occurs therein and by substituting
     therefor ", the lenders under the BT Credit Agreement or lenders under the
     Term Loan Facility"; and

          (3) deleting the phrase "permitted by clauses (i)-(x)" from clause
     (xi) thereof and by substituting therefor "permitted by clauses (i)-(x) and
     clause (xii)"; and

          (4) deleting the period at the end of clause (xi) thereof, by
     substituting "; and" therefor and by adding at the end thereof the
     following:

               "(xii) Contingent Obligations in respect of the obligations of
          its Consolidated Subsidiaries permitted pursuant to Sections 6.1(x)
          and (xii)."; and

          (5) Concurrently with the repayment in full of the Senior Notes,
     clause (vi) shall be amended by deleting clause (z) therefrom and the
     reference to clause (z) in the second proviso therein.

          (n)  (1) The third full paragraph of Section 6.5 of the Credit
     Agreement is hereby amended by adding the phrase "or as may be provided in
     the BT Credit Agreement, the 9-1/8% Subordinated Note Indenture or the
     Receivables Facilities (with respect to BPS Financial Services, Inc. or
     such other financing subsidiary as may have been established for purposes
     of the Alarm Services Contract Securitization Facility)" immediately after
     the phrase "In addition, except as provided herein" contained therein.

                                     -12-

 
          (2) Concurrently with the repayment in full of the Senior Notes,
     Section 6.5 of the Credit Agreement shall be amended by deleting it in its
     entirety and substituting the following therefor:

               "The Company shall not, and shall not permit any of its
          Consolidated Subsidiaries to, directly or indirectly, declare, order,
          pay, make or set apart any sum for any Restricted Junior Payment;
          except:

                    (i) The Company may make Restricted Junior Payments to
               cancel or repurchase stock or stock options granted or to be
               granted to employees of the Company or any of its Consolidated
               Subsidiaries under the Borg-Warner Security Corporation
               Management Stock Option Plan, the 1993 Stock Option Plan or
               pursuant to any stock subscription agreements with respect to
               shares of Common Stock in an aggregate amount which does not
               exceed $5,000,000; and

                    (ii) The Company may make Restricted Junior Payments in
               respect of the Company's obligations to pay interest on its
               Subordinated Indebtedness in accordance with the terms of, and
               only to the extent required by, the terms of such Subordinated
               Indebtedness, as such terms are in effect on the Closing Date;

          provided that immediately prior to and immediately after giving effect
          to any Restricted Junior Payment permitted by this Section 6.5, no
          Default or Unmatured Default exists or will exist.

               The Company will not, and will not permit any of its Subsidiaries
          to, deposit any funds for the purpose of making any Restricted Junior
          Payment with a trustee, paying agent or registrar or other payment
          intermediary more than three (3) Business Days prior to the date such
          payment is due, unless required to do so

                                      -13-

 
          by the terms, as of the Closing Date, of the applicable indenture.

               In addition, except as provided herein or as may be provided in
          the BT Credit Agreement, the 9-1/8% Subordinated Note Indenture or the
          Receivables Facilities (with respect to BPS Financial Services, Inc.
          or such other financing subsidiary as may have been established for
          the purposes of the Alarm Services Contract Securitization Facility),
          the Company will not, and will not permit any of its Subsidiaries to,
          create or otherwise cause or suffer to exist or become effective any
          consensual encumbrance or restriction of any kind on the ability of
          any Subsidiary to (a) pay dividends or make any other distribution on
          any of such Subsidiary's capital stock owned by the Company or any
          Subsidiary of the Company, (b) subject to subordination provisions,
          pay any indebtedness owed to the Company or any other Subsidiary, (c)
          make loans or advances to the Company or any other Subsidiary or (d)
          transfer any of its property or assets to the Company or any other
          Subsidiary, except any restrictions existing under any agreements in
          effect on the Closing Date or any renewals or extensions thereof;
          provided that the terms and conditions of any such renewals or
          extensions are no less favorable to the Banks than the agreements
          being renewed or extended."

     (o) Section 6.6.A of the Credit Agreement is hereby amended by deleting the
section in its entirety and by substituting the following therefor:

               "A. Interest Coverage Ratio. The Company will not permit its
          Interest Coverage Ratio as of the last day of each of the fiscal
          quarters shown below for the four consecutive preceding fiscal
          quarters ended on such date, to be less than the correlative ratio
          indicated below:

                                      -14-

 


                                            Minimum
     Fiscal Quarter Ended              Interest Coverage Ratio
     --------------------              -----------------------
                          
       September 30, 1995                 2.25:1.00
       December 31, 1995                  2.20:1.00
       March 31, 1996                     2.20:1.00
       June 30, 1996                      2.20:1.00
       September 30, 1996                 2.20:1.00
       December 31, 1996                  2.20:1.00
       March 31, 1997                     2.25:1.00
       June 30, 1997                      2.30:1.00
       September 30, 1997                 2.35:1.00
       December 31, 1997                  2.40:1.00
       March 31, 1998                     2.45:1.00
       June 30, 1998                      2.55:1.00
       September 30, 1998                 2.60:1.00
       December 31, 1998                  2.70:1.00
       March 31, 1999                     2.70:1.00
       June 30, 1999                     2.70:1.00"


     (p)  Section 6.6.B of the Credit Agreement is hereby amended by deleting
the section in its entirety and by substituting the following therefor:

               "B.  Leverage Ratio.  The Company will not permit the ratio as of
          the last day of each of the fiscal quarters shown below of Funded Debt
          to Consolidated EBITDA for the four consecutive preceding fiscal
          quarters ended on such date to be more than the correlative ratio
          indicated for such date:

    Fiscal Quarter Ended                 Maximum Leverage Ratio
    --------------------                 ----------------------
                           
       September 30, 1995                     3.75:1.00
       December 31, 1995                      4.20:1.00
       March 31, 1996                         4.10:1.00
       June 30, 1996                          3.90:1.00
       September 30, 1996                     3.80:1.00
       December 31, 1996                      3.65:1.00



                                     -15-



 
       March 31, 1997                    3.50:1.00
       June 30, 1997                     3.35:1.00
       September 30, 1997                3.20:1.00
       December 31, 1997                 3.10:1.00
       March 31, 1998                    3.00:1.00
       June 30, 1998                     2.90:1.00
       September 30, 1998                2.80:1.00
       December 31, 1998                 2.65:1.00
       March 31, 1999                    2.55:1.00
       June 30, 1999                    2.45:1.00"



     (q)  Section 6.6.C of the Credit Agreement is hereby amended by deleting
the section in its entirety and by substituting the following therefor:

               "C.  Consolidated Net Worth.  The Company will not permit its
          Consolidated Net Worth as of the last day of the fiscal quarters set
          forth below and at all times thereafter (until the last day of the
          next fiscal quarter when such amounts shall be increased as provided
          for herein) to be less than the correlative amount indicated below:

                                     -16-

 



     Fiscal Quarter Ended             Consolidated Net Worth
     --------------------             ----------------------

       September 30, 1995                $  31,000,000
       December 31, 1995                    33,000,000
       March 31, 1996                       36,000,000
       June 30, 1996                        39,000,000
       September 30, 1996                   42,000,000
       December 31, 1996                    46,000,000
       March 31, 1997                       49,000,000
       June 30, 1997                        54,000,000
       September 30, 1997                   58,000,000
       December 31, 1997                    65,000,000
       March 31, 1998                       70,000,000
       June 30, 1998                        75,000,000
       September 30, 1998                   82,000,000
       December 31, 1998                    90,000,000
       March 31, 1999                       96,000,000
       June 30, 1999                      103,000,000"


     (r)  Section 6.6.D of the Credit Agreement is hereby amended by deleting
the section in its entirety and by substituting the following therefor:

               "D.  Consolidated EBITDA.  The Company will not permit
          Consolidated EBITDA as of the last day of each of the fiscal quarters
          shown below for the four consecutive preceding fiscal quarters ended
          on such date to be less than the correlative amount indicated below:

                                     -17-

 
 
                                                           Minimum Consolidated
       Fiscal Quarter Ended                                       EBITDA
       --------------------                                --------------------
 
       September 30, 1995                                     $ 125,000,000
       December 31, 1995                                        125,000,000
       March 31, 1996                                           129,000,000
       June 30, 1996                                            134,000,000
       September 30, 1996                                       135,000,000
       December 31, 1996                                        139,000,000
       March 31, 1997                                           144,000,000
       June 30, 1997                                            148,000,000
       September 30, 1997                                       152,000,000
       December 31, 1997                                        155,000,000
       March 31, 1998                                           157,000,000
       June 30, 1998                                            162,000,000
       September 30, 1998                                       165,000,000
       December 31, 1998                                        170,000,000
       March 31, 1999                                           172,000,000
       June 30, 1999                                           175,000,000"


     (s)  Section 6.6.E of the Credit Agreement is hereby amended by:

          (1) Deleting the word "Adjusted" from the phrase "Adjusted Interest
Coverage Ratio" contained therein; and

          (2) Concurrently with the repayment in full of the Senior Notes, by
     deleting the phrase "if the Company's Interest Coverage Ratio for such
     fiscal year is greater than 2.90 to 1.00" from the first proviso thereof
     and substituting therefor the phrase "if the Company's Interest Coverage
     Ratio for such fiscal year is not less than 3.00 to 1.00 and the ratio of
     the Company's Funded Debt to Consolidated EBITDA for such fiscal year is
     not greater than 2.60 to 1.00, in each case".

     (t)  (1)  Section 6.7(iv) of the Credit Agreement is hereby amended by
deleting it in its entirety and substituting the following therefor:

                                      -18-

 
               "(iv) the Company and its Consolidated Subsidiaries may acquire
          all or substantially all the business, property or fixed assets of, or
          stock or other evidence of beneficial ownership of, any Person engaged
          in businesses substantially similar to those conducted by the Company
          and its Consolidated Subsidiaries (such asset or stock acquisitions
          being herein collectively referred to as "Acquisitions"); provided
          that the purchase price (including all assumed liabilities) paid with
          respect to Acquisitions made on or after the effective date of the
          Amendment No. 5 hereto plus the amount of all Investments made under
          Section 6.3(vii), (A) does not exceed $25,000,000 in the aggregate for
          all such Acquisitions or (B) in the event that (x) no Default or
          Unmatured Default has occurred and is continuing, (y) the ratio of the
          Company's Funded Debt to Consolidated EBITDA for the immediately
          preceding four consecutive fiscal quarters is not greater than 2.50 to
          1.00 and (z) the Company's Interest Coverage Ratio for the immediately
          preceding four consecutive fiscal quarters is not less than 3.00 to
          1.00 (in determining compliance with clauses (y) and (z) hereof, such
          calculations shall be made on a pro forma basis of the period of
          calculation after giving effect to the occurrence of the Acquisition
          on the first day of the relevant calculation period and after giving
          effect to all Indebtedness, including any assumed liabilities,
          incurred in connection therewith and calculating interest on any such
          Indebtedness at a fixed rate equal to the rate (whether fixed or
          floating) which such Indebtedness would bear on the date of
          determination), does not exceed $50,000,000 in the aggregate for all
          such Acquisitions; provided that in calculating the purchase price of
          such Acquisitions, the purchase price attributable to any assets
          required in the IT Exchange may be excluded; provided, however, in the
          event that thereafter the Company no longer meets the conditions set
          forth in clauses (y) and (z), the Company shall again be required to
          comply with the foregoing clause (A) of this Section 6.7(iv); provided
          that no Unmatured Default or Default shall occur under

                                     -19-


 
          this Agreement if the aggregate Acquisitions then exceed $25,000,000
          if such Acquisitions, at the time made, were permitted under this
          Agreement; provided further that to the extent that the Company pays
          all or any portion of the purchase price for an Acquisition through
          the issuance of shares of Common Stock, the value of the shares of
          such Common Stock shall be deducted from the calculation of the
          purchase price payable by the Company or its Consolidated Subsidiaries
          for such Acquisitions for purposes of determining compliance with the
          provisions of this Section 6.7(iv); and provided further that any such
          Person so acquired that constitutes a Material Subsidiary shall
          execute counterparts of the Borg-Warner Subsidiary Guaranty and the
          Borg-Warner Subsidiary Pledge Agreement as provided in Section 5.11;
          and"

          (2) Concurrently with the repayment in full of the Senior Notes,
     Section 6.7(iv) of the Credit Agreement shall be amended by deleting it in
     its entirety and substituting the following therefor:

               "(iv) the Company and its Consolidated Subsidiaries may acquire
          all or substantially all the business, property or fixed assets of, or
          stock or other evidence of beneficial ownership of, any Person engaged
          in businesses substantially similar to those conducted by the Company
          and its Consolidated Subsidiaries (such asset or stock acquisitions
          being herein collectively referred to as "Acquisitions"); provided
          that the purchase price (including all assumed liabilities) paid with
          respect to Acquisitions made on or after the effective date of the
          Amendment No. 6 hereto plus the amount of all Investments made under
          Section 6.3(vii) does not exceed $5,000,000 in the aggregate for all
          such Acquisitions; provided that in calculating the purchase price of
          such Acquisitions, the purchase price attributable to any assets
          acquired in the IT Exchange may be excluded; provided further that to
          the extent that the Company pays all or any portion of the purchase
          price for an Acquisition

                                     -20-


 
          through the issuance of shares of Common Stock, the value of the
          shares of such Common Stock shall be deducted from the calculation of
          the purchase price payable by the Company or its Consolidated
          Subsidiaries for such Acquisitions for purposes of determining
          compliance with the provisions of this Section 6.7(iv); and provided
          further that any such Person so acquired that constitutes a Material
          Subsidiary shall execute counterparts of the Borg-Warner Subsidiary
          Guaranty and the Borg-Warner Subsidiary Pledge Agreement as provided
          in Section 5.11; and"

     (u)  Section 6.8 of the Credit Agreement is hereby amended by deleting it
its entirety and substituting therefor the following:

          "SECTION 6.8.  Sales and Leasebacks
                         --------------------
  
               Other than with respect to the IT Exchange and any other similar
     transfer of information technology assets, the Company and its Consolidated
     Subsidiaries shall not directly or indirectly, become or remain liable as
    lessee or as a guarantor or other surety with respect to any lease, whether
    an operating lease or a Capital Lease, of any property (whether real,
    personal or mixed), whether now owned or hereafter acquired, (i) which the
    Company or any of its Subsidiaries has sold or transferred or is to sell or
    transfer to any other Person (other than the Company or any of its
    Subsidiaries) or (ii) which the Company or any of its Subsidiaries intends
    to use for substantially the same purpose as any other property which has
    been or is to be sold or transferred by the Company or any of its
    Subsidiaries to any Person (other than the Company or any of its
    Subsidiaries) in connection with such lease, except to the extent that the
    Net Cash Proceeds of any such transactions are applied in accordance with
    the provisions of Section 2.4.A(ii)(a) of the BT Credit Agreement."

     (v)  Section 6.10 of the Credit Agreement is hereby amended by adding the
word "Stonington," immediately after the 

                                     -21-

 
phrase "financial advisory arrangements for services rendered by" in clause
(iii) thereof.

     (w)  Section 6.13 of the Credit Agreement is hereby amended by deleting it
in its entirety and substituting therefor the following:

          "SECTION 6.13.  Amendments or Waivers Relating to Other Agreements.
                          --------------------------------------------------

               A.  Neither the Company nor any of its Subsidiaries will (i)
     amend, waive or otherwise change the terms of any Subordinated
     Indebtedness, or make any payment consistent with an amendment, waiver or
     change thereto, without the consent of the Required Banks; provided that
     notwithstanding the foregoing the Company may agree to amend any provision
     of the Subordinated Indebtedness (a) to cure any ambiguity, to correct or
     supplement any provision therein which may be defective or inconsistent
     with any other provision of such Subordinated Indebtedness, (b) to comply
     with the Trust Indenture Act of 1939, or (c) to make modifications of a
     technical or clarifying nature which are no less favorable to the Banks
     than the provisions of the Subordinated Indebtedness in effect on the
     Closing Date; or (ii) defease, or make any payments the effect of which is
     to defease (whether pursuant to the defeasance provisions of the
     Subordinated Indebtedness or otherwise and including without limitation any
     covenant defeasance), the Subordinated Indebtedness in whole or in part.

               B.  Neither the Company nor any of its Subsidiaries will amend,
     modify, waive or supplement or otherwise change any of the terms of the
     Receivables Facilities from those in effect on the effective date of
     Amendment No. 5 hereto, in the case of the Existing Receivables Facility,
     or on the initial closing date for such Receivables Facilities, in the case
     of the Receivables Bridge Facility, the New Receivables Facility or the
     Alarm Services Contract Securitization Facility, without the prior written
     consent of the Required Banks if such amendment, modification, waiver,
     supplement or change would be less

                                     -22-


 
     favorable to, or increase the obligations of the Company or any of its
     Subsidiaries or would confer additional rights on any other party to such
     agreement adverse to the Company or any of its Subsidiaries or would be
     adverse to the Banks under this Agreement. The Company agrees to deliver to
     the Agent upon execution thereof copies of all program documents (other
     than any fee or expense letters) for the Receivables Bridge Facility and
     the New Receivables Facility and any amendments, modifications, waivers,
     supplements or changes thereto (without regard to whether the prior written
     consent of the Required Banks is required thereto).

               C. Neither the Company nor any of its Subsidiaries will amend,
     modify, waive or supplement or otherwise change any of the terms of
     Sections 5, 6 and 7 of the Term Loan Facility or any definition of any term
     used therein or amend any of the other covenants or provisions of the Term
     Loan Facility, or enter into any other agreement (or amendment thereto)
     with the lenders under the Term Loan Facility if the effect thereof is to
     impose any further affirmative or negative covenants or events of default
     on the Company or any of its Subsidiaries or to make more restrictive or
     burdensome with respect to the Company or any of its Subsidiaries any
     affirmative or negative covenant or event of default contained therein, in
     either case without obtaining the prior written consent of the Required
     Banks, provided that this Section 6.13.C shall not require the consent of
     the Required Banks to any waiver or amendment of any term or provision of
     the Term Loan Facility if the effect of such waiver or amendment is to make
     any such term or provision less restrictive or burdensome on the Company or
     any of its Subsidiaries or to relieve the Company or any of its
     Subsidiaries from the burden of compliance with such term or provision or
     to waive the failure to comply with such term or provision.

               D. Neither the Company nor any of its Subsidiaries will amend,
     modify, waive or supplement or otherwise change any of the terms of the
     Term Loan Facility or enter into any other agreement with the lenders under
     the Term Loan Facility that would have the effect of (i)

                                     -23-


 
     shortening the maturity of or requiring the earlier payment of any
     principal of any loan thereunder, (ii) imposing any additional prepayment
     obligations on the Company with respect to the loans thereunder or (iii)
     changing the definition of "Requisite Lenders" in the Term Loan Facility,
     in each case without the prior written consent of the Required Banks.

               E.  The Company agrees to deliver to Agent upon the execution
     thereof any amendment, waiver or modification of the Term Loan Facility."

     (x)    Concurrently with the repayment in full of the Senior Notes,
Section 6 of the Credit Agreement shall be amended to add the following:

          "SECTION 6.15.  Fiscal Year.  The Company will not change its Fiscal
Year-end from December 31."

     (y)  Concurrently with the repayment in full of the Senior Notes, Section
7.2 of the Credit Agreement shall be amended by deleting it in its entirety and
by substituting therefor:

          "SECTION 7.2. Default in Other Agreements . (i) Failure of the Company
     or any of its Subsidiaries to pay when due (a) any principal of or interest
     on any Indebtedness (other than Indebtedness referred to in Section 7.1) in
     an individual principal amount of $2,500,000 or more or any items of
     Indebtedness with an aggregate principal amount of $5,000,000 or more or
     (b) any Contingent Obligation in an individual principal amount of
     $2,500,000 or more or any Contingent Obligations with an aggregate
     principal amount of $5,000,000 or more, in each case beyond the end of any
     grace period provided therefor; or (ii) breach or default by the Company or
     any of its Subsidiaries with respect to any other material term of (a) any
     evidence of any Indebtedness in an individual principal amount of
     $2,500,000 or more or any items of Indebtedness with an aggregate principal
     amount of $5,000,000 or more or any Contingent Obligation in an individual
     principal amount of $2,500,000 or more or any

                                     -24-


 
     Contingent Obligations with an aggregate principal amount of $5,000,000 or
     more or (b) any loan agreement, mortgage, indenture or other agreement
     relating to such Indebtedness or Contingent Obligation(s), if the effect of
     such breach or default is to cause, or to permit the holder or holders of
     that Indebtedness or Contingent Obligation(s) (or a trustee on behalf of
     such holder or holders) to cause, that Indebtedness or Contingent
     Obligation(s) to become or be declared due and payable prior to its stated
     maturity or the stated maturity of any underlying obligation, as the case
     may be (upon the giving or receiving of notice, lapse of time, both, or
     otherwise); or"

     (z)  Concurrently with the repayment in full of the Senior Notes, Section 7
of the Credit Agreement shall be amended by deleting the period at the end of
Section 7.13 and substituting therefor "; or" and by adding the following:

                                     -25-




 
          "SECTION 7.14.  Receivables Facilities .  (i) Any condition or event
     shall occur under the Existing Receivables Facility that constitutes a
     Termination Event (as such term is defined in the Existing Receivables
     Facility as of the effective date of Amendment No. 6 hereto), or any
     condition or event shall occur under any Receivables Facility the effect of
     which is the same as, or similar to, any such Termination Event; (ii) any
     condition or event shall occur under the Receivables Bridge Facility or the
     New Receivables Facility that constitutes an Early Amortization Event (as
     such term is defined in the Draft Information Memorandum with respect to
     the Receivables Bridge Facility or the New Receivables Facility as of the
     effective date of Amendment No. 6 hereto) or an event or condition which,
     after notice or lapse of time or both, would constitute an Early
     Amortization Event if that event or condition were not cured or removed
     within any applicable grace or cure period (an "Unmatured Early
     Amortization Event"), or any condition or event shall occur under any
     Receivables Facility the effect of which is the same as, or similar to, any
     such Early Amortization Event or Unmatured Early Amortization Event; (iii)
     any condition or event shall occur, or any breach or default by the Company
     or any of its Subsidiaries shall occur, under any Receivables Facility if
     the effect of such condition, event, breach or default is to cause, or to
     permit any purchaser or other investor under any Receivables Facility to
     cause, upon the giving or receiving of notice, lapse of time, both or
     otherwise, any commitment to purchase receivables or to advance or invest
     funds for the purchase of receivables under any such Receivables Facility
     in whole or in part to be suspended or terminated or any principal
     repayment or amortization or accumulation period to commence prior to
     January 1, 1999 in the case of the Receivables Bridge Facility or the New
     Receivables Facility or prior to the scheduled commencement date for such
     repayment, amortization or accumulation as in effect on the initial closing
     date for such Receivables Facility in the case of the Alarm Services
     Contract Securitization Facility; (iv) the Company or any of its
     Subsidiaries shall optionally redeem, retire, prepay, purchase for value or
     make any similar optional payment of


                                     -26-


 
     the principal of, any Receivables Certificates (as defined in Section
     9.12.B) issued to finance the purchase of receivables under the Receivables
     Bridge Facility (excluding however the refinancing of the Receivables
     Bridge Facility with the proceeds of the New Receivables Facility) or the
     New Receivables Facility; or (v) the Company shall fail to draw down on the
     Receivables Bridge Facility on or prior to November 30, 1995 to refinance
     the Existing Receivables Facility in its entirety, in the event that by
     November 30, 1995 (x) the Existing Receivables Facility is not extended
     pursuant to an extension agreement in form and substance satisfactory to
     the Required Banks or (y) the proceeds of the New Receivables Facility have
     not been utilized to refinance in full the Existing Receivables Facility;
     or"

     (aa)  Article IX of the Credit Agreement is hereby amended by adding a new
Section 9.12 as follows:

          "SECTION 9.12.  Certain Intercreditor Agreements

               A.  The Banks agree, for the benefit of the lenders from time to
     time under the Term Loan Facility, not to take any action as "Requisite
     Obligees" under the Intercreditor Agreement without the prior written
     consent of Requisite Lenders (as defined in the Term Loan Facility),
     including without limitation authorizing any amendment, modification,
     supplement or waiver of any provision of any Loan Guaranty under the
     Intercreditor Agreement, the Collateral Documents or the Intercreditor
     Agreement.

               B.  The Banks agree, for the benefit of the holders from time to
     time of trade receivables backed certificates issued in connection with the
     Receivables Bridge Facility and the New Receivables Facility (the
     "Receivables Certificates") not to:

               (a) challenge the transfers of receivables and related assets
          from the sellers under such Receivables Facilities (the "Sellers") to
          BPS Financial Services, Inc. (the "Transferor"), whether on the
          grounds that such sales were disguised financings or fraudulent

                                     -27-

 

          conveyances or otherwise, so long as such transfers are carried out in
          all material respects in accordance with the Purchase Agreement and
          the Pooling Agreement described (and as defined) in the Draft
          Information Memorandum or the Receivables Bridge Facility, as the case
          may be;

               (b) assert that the Transferor and any Seller should be
          substantively consolidated; or

               (c) institute or join any other Person in instituting any
          bankruptcy or other insolvency proceeding against the Transferor so
          long as any of the Receivables Certificates shall be outstanding or
          there shall not have lapsed one year plus one day since the last day
          on which any of the Receivables Certificates shall have been
          outstanding."

     (bb) Schedule 1 (Fronting Commitments) to the Credit Agreement is amended
to read in its entirety in the form of Schedule 1 hereto. Section 2.1.A(b) of
the Credit Agreement is amended by adding the following language at the end
thereof before the period:

          ", provided that such Issuer may in its discretion issue such Letter
     of Credit at the Company's request so long as the condition set forth in
     the foregoing clause (a) is met".

     (cc) Schedule 2 (Participation Commitments and Percentages) to the Credit
Agreement is amended to read in its entirety in the form of Schedule 2 hereto.

     (dd) The following definitions contained in Annex I to the Credit Agreement
are hereby amended by deleting each definition in its entirety and by
substituting the following therefor:

               "Asset Sale" means the sale, lease, assignment or other transfer
     for value by the Company or any of its Subsidiaries to any Person, whether
     in a single transaction or a series of related transactions (other than to
     the

                                     -28-


 
     Company or any of its Subsidiaries) of (i) any of the stock of any of the
     Company's Subsidiaries; (ii) all or substantially all of the assets of any
     division or line of business of the Company or any of its Subsidiaries; or
     (iii) any other assets or rights (including, without limitation, any assets
     that do not constitute substantially all of the assets or rights of any
     division or line of business of the Company or any of its Subsidiaries)
     having a book value or market value in excess of $50,000, other than in
     each case (A) the sale in the ordinary course of business of personal
     property held for resale in the ordinary course of business of the Company
     or any of its Subsidiaries, (B) the sale or discount of notes, accounts
     receivable, contracts, leases or other receivables to the extent sold or
     discounted in connection with the Existing Receivables Facility, the
     Receivables Bridge Facility and the New Receivables Facility and (C) the IT
     Exchange.

               "Cash Equivalents" means, as at any date of determination, (i)
     marketable securities (a) issued or directly and unconditionally guaranteed
     as to interest and principal by the United States Government or (b) issued
     by any agency of the United States the obligations of which are backed by
     the full faith and credit of the United States, in each case maturing
     within one year after such date; (ii) marketable direct obligations issued
     by any state of the United States of America or any political subdivision
     of any such state or any public instrumentality thereof, in each case
     maturing within one year after such date and having, at the time of the
     acquisition thereof, the highest rating obtainable from either Standard &
     Poor's Ratings Services, a division of the McGraw Hill Companies ("S&P") or
     Moody's Investors Service, Inc. ("Moody's"); (iii) commercial paper
     maturing no more than one year from the date of creation thereof and
     having, at the time of the acquisition thereof, a rating of at least A-1
     from S&P or at least P-1 from Moody's; (iv) certificates of deposit or
     bankers' acceptances maturing within one year after such date and issued or
     accepted by any Bank or by any commercial bank organized under the laws of
     the United States of America or any state thereof or the District of
     Columbia that (a) is at


                                     -29-


 
     least "adequately capitalized" (as defined in the regulations of its
     primary Federal banking regulator) and (b) has Tier 1 capital (as defined
     in such regulations) of not less than $100,000,000; and (v) shares of any
     money market mutual fund that (a) has at least 95% of its assets invested
     continuously in the types of investments referred to in clauses (i) and
     (ii) above, (b) has net assets of not less than $500,000,000, and (c) has
     the highest rating obtainable from either S&P or Moody's.

               "Centaur Interest Amount" means, for each period for which the
     determination is being made and for each Centaur Settlement Amount for
     which such calculation is being made, an amount equal to the interest
     expense attributable to such Centaur Settlement Amount for such period,
     commencing from the date of payment of such Centaur Settlement Amount for
     the first such period, which amount shall be calculated by utilizing the
     "Base Rate" (as defined in the BT Credit Agreement) then in effect for
     Loans outstanding under the BT Credit Agreement (without reference to the
     "Base Rate Margin", as defined in the BT Credit Agreement).

               "Centaur Settlement Amount" means all amounts paid or contributed
     by the Company to Centaur or directly or indirectly paid by the Company on
     behalf of Centaur, in each case on or after the effective date of Amendment
     No. 5 hereto for the purpose of settling litigation pending against Centaur
     or against the Company but relating to Centaur; provided that the aggregate
     amount of all such payments does not exceed the amount disclosed in writing
     by the Company to the Agent and approved by the Agent as of the effective
     date of Amendment No. 5 hereto.

               "Consolidated Interest Expense" means, for any period, total
     interest expense (including that portion attributable to Capital Leases in
     accordance with GAAP and capitalized interest) of the Company and its
     Consolidated Subsidiaries on a consolidated basis with respect to all
     outstanding Indebtedness of the Company and its Consolidated Subsidiaries,
     including, without limitation, all


                                     -30-

 

     commissions, discounts and other fees and charges owed with respect to
     letters of credit and with respect to any sale, discount or other financing
     of receivables and net costs under Interest Rate Agreements but excluding,
     however, the amortization of the costs of issuance and original issuance
     discount related to the 9 1/8% Subordinated Notes, and any fees or other
     similar financing costs payable in connection with the Term Loan Facility,
     the Receivables Facilities or the amendments to the BT Credit Agreement or
     this Agreement which are capitalized by the Company.

               "Interest Rate Agreement" means any interest rate swap agreement,
     interest rate cap agreement, interest rate collar agreement or other
     similar agreement or arrangement designed to protect the Company or any of
     its Subsidiaries against fluctuations in interest rates; provided that the
     counterparty to any such agreement shall be a Bank, a lender under the BT
     Credit Agreement or a lender under the Term Loan Facility or any of their
     respective Affiliates or ML & Co. or any of its Affiliates or any other
     Person reasonably acceptable to the Agent and the Required Banks; provided
     further that the calculation of payments for early termination shall be
     made on a reasonable basis in accordance with customary industry practices;
     and provided still further that all such payments (guarantied and
     unguarantied) shall constitute Indebtedness.

               "New Receivables Facility" means an off-balance sheet receivables
     financing facility, the terms and conditions of which are substantially as
     set forth in the Draft Information Memorandum and the proceeds of which are
     to be used to refinance the Existing Receivables Facility or the
     Receivables Bridge Facility; provided that notwithstanding anything to the
     contrary contained in the Draft Information Memorandum, (i) the aggregate
     principal amount of the New Receivables Facility shall not be less than
     $100,000,000; (ii) the interest rate payable by the Company or its
     Subsidiaries with respect to the New Receivables Facility, if variable,
     shall not exceed the Adjusted Eurodollar Rate (as defined in the BT Credit
     Agreement as in effect on October 16, 1995) plus 2.75% per


                                     -31-

 

     annum and, if fixed, shall not exceed the lesser of the swapped equivalent
     of such variable rate (determined as of the date on which a final Offering
     Memorandum for the New Receivables Facility is printed) or 12% per annum;
     and (iii) Pre-Bill Receivables shall not be required to be included as
     Eligible Receivables (as such terms are defined in the Draft Information
     Memorandum), as such New Receivables Facility may be amended, supplemented
     or modified from time to time to the extent permitted under this Agreement.

     (ee) Concurrently with the repayment in full of the Senior Notes, the
definition of "Centaur Settlement Amount" contained in Annex I to the Credit
Agreement shall be amended by deleting each reference to "Amendment No. 5
hereto" contained therein and substituting therefor "Amendment No. 6 hereto".

     (ff) Annex I to the Credit Agreement is hereby further amended by deleting
the definition of "Adjusted Interest Coverage Ratio" and adding thereto the
following definitions, which definitions shall be inserted in proper
alphabetical order:

               "Alarm Services Contract Securitization Facility" means one or
     more off-balance sheet facilities providing for the sales of receivables,
     contracts and/or leases by Wells Fargo Alarm Services, Inc., BW-Canada
     Alarm (Wells Fargo) Corporation, and their respective wholly owned
     subsidiaries, the terms and conditions of which shall be satisfactory in
     form and substance to the Required Banks, as such Alarm Services Contract
     Securitization Facility may be amended, supplemented or otherwise modified
     from time to time to the extent permitted under this Agreement.

               "Centaur" means Centaur Insurance Company, an Illinois
     corporation and one of the BW-Other Corporations.

               "Draft Information Memorandum" means the October 7, 1995 draft
     Preliminary Offering Memorandum (together with changed pages thereto dated
     October 12 and 13, 1995) describing up to $120,000,000 of trade receivables
     backed certificates to be issued by BPS Financial Services, Inc., a wholly-
     owned limited-purpose receivables subsidiary


                                     -32-


 
     of the Company, as such Draft Information Memorandum may be amended or
     supplemented by materials distributed to all Banks prior to the effective
     date of Amendment No. 6 hereto or which are otherwise approved by the
     Required Banks after the effective date of Amendment No. 6 hereto, which
     materials are specifically identified as amendments or supplements to such
     Draft Information Memorandum.

               "Existing Receivables Facility" means the Company's off-balance
     sheet receivables purchase facility with Enterprise Funding Corporation
     providing for the purchase of up to $100 million of receivables from the
     Company and its Subsidiaries, as such Existing Receivables Facility may
     hereafter be amended, supplemented or otherwise modified from time to time
     to the extent permitted under this Agreement.

               "Fiscal Year" means the fiscal year of Company and its
     Subsidiaries ended on December 31 of each calendar year.

               "Interest Coverage Ratio" means the ratio of Consolidated EBITDA
     to Consolidated Interest Expense.

               "IT Exchange" means the transfer to a third party of the
     information technology assets, including hardware, software and
     communications assets, of any or all of Wells Fargo Alarm Services, Inc.,
     Borg-Warner Protective Services Corporation or the Company, in exchange for
     services to be provided by such third party or its affiliates.

               "9 1/8% Subordinated Notes" means the Company's $150,000,000 in
     initial aggregate principal amount of 9 1/8% Senior Subordinated Notes due
     2003.

               "9 1/8% Subordinated Note Indenture" means the indenture pursuant
     to which the 9 1/8% Subordinated Notes were issued, as such indenture may
     be amended from time to time to the extent permitted under this Agreement.


                                     -33-

 

               "Receivables Bridge Commitment Letter" means the commitment
     letter dated October 13, 1995, among Bankers Trust Company, the Company and
     BPS Financial Services, Inc., with respect to Bankers Trust Company's
     commitment to provide the Receivables Bridge Facility.

               "Receivables Bridge Facility" means an off-balance sheet
     receivables bridge facility, the terms and conditions of which are
     substantially as set forth in the Draft Information Memorandum, with such
     differences as are in the "Summary of Certain Differences Between
     Receivables Bridge Facility and Receivables Refinancing" annexed as Annex B
     to the Receivables Bridge Commitment Letter excluding the preamble to such
     Summary, or such other differences as are more favorable to the Company and
     its Subsidiaries, the proceeds of which are used to refinance the Existing
     Receivables Facilities, as such Receivables Bridge Facility may be amended,
     supplemented or modified from time to time to the extent permitted under
     this Agreement.

               "Receivables Certificates" is defined in Section 9.12.

               "Receivables Facilities" means and includes the Existing
     Receivables Facility, the Receivables Bridge Facility, the New Receivables
     Facility and the Alarm Services Contract Securitization Facility, in each
     case as such facilities may be amended from time to time to the extent
     permitted under this Agreement.

               "Sellers" is defined in Section 9.12.
 
               "Stonington" means Stonington Partners, L.P., a Delaware limited
     partnership.

               "Term Loan Facility" means the Credit Agreement dated as of
     October 16, 1995 among the Company, as borrower, the financial institutions
     party thereto, as lenders and Bankers Trust Company, as agent, providing
     for a term loan to the Company of up to $200,000,000, as such Term Loan


                                     -34-

 

     Facility may hereafter be amended, supplemented or otherwise modified from
     time to time to the extent permitted under this Agreement.

               "Transferor" is defined in Section 9.12.

     (gg) Concurrently with the repayment in full of the Senior Notes, Annex I
to the Credit Agreement shall be amended by adding thereto the following
definition, which definition shall be inserted in proper alphabetical order:

               "Unmatured Early Amortization Event" is defined in Section 7.14.

     (hh) Section 1.3 of the Credit Agreement is hereby amended by deleting the
reference to "December 31, 1991" contained in the last sentence thereof and
substituting "December 31, 1994" therefor.

     (ii) Exhibit E (Form of Compliance Certificate) to the Credit Agreement is
amended to read in its entirety in the form of Exhibit E-1 hereto. Concurrently
with the repayment in full of the Senior Notes, Exhibit E to the Credit
Agreement shall be amended by deleting it in its entirety and substituting
therefor a new Exhibit E in the form of Exhibit E-2 hereto.

     (jj) Schedule A to the Credit Agreement is hereby amended by deleting it in
its entirety and substituting therefor a new Schedule A in the form of Schedule
A hereto.

2.  CONSENT

          A. Term Loan Facility. Each Bank executing this Amendment hereby
consents to the terms and conditions of the Term Loan Facility substantially in
the form annexed hereto as Annex A and to the Company's designation of
Indebtedness incurred under the Term Loan Facility as "Specified Senior
Indebtedness" under the 9 1/8% Subordinated Note Indenture.

          B. Amendment of BT Credit Agreement. Each Bank executing this
Amendment hereby consents to the amendment of the


                                     -35-

 

BT Credit Agreement substantially in the form annexed hereto as Annex B.

3.  CONDITIONS TO EFFECTIVENESS

     Section 1 and Section 2 of this Amendment shall become effective as of the
date hereof only upon the satisfaction of all of the following conditions
precedent (upon such satisfaction, the "Amendment Effective Date") prior to
October 31, 1995:

     (a)  Company Documents.  On or before the Amendment Effective Date, the
Company shall deliver to the Banks (or to the Agent with sufficient originally
executed copies, where appropriate, for each Bank and its counsel) the
following, each, unless otherwise noted, dated the Amendment Effective Date:

          (1) Resolutions of its board of directors authorizing and approving
     the execution, delivery and performance of this Amendment and an amendment
     to the Company Pledge Agreement (the "Pledge Amendment") pledging the
     shares and certain promissory notes of BPS Financial Services, Inc. to the
     Collateral Agent, and the performance of the Credit Agreement as amended by
     this Amendment, certified as of the Amendment Effective Date by its
     secretary or assistant secretary as being in full force and effect without
     modification or amendment;

          (2) Signature and incumbency certificates of its officers executing
     this Amendment and the Pledge Amendment;

          (3) Executed copies of this Amendment and the Pledge Amendment;

          (4)  An opinion of counsel to the Company as to the Amendment in form
     and substance satisfactory to the Agent and the Banks; and

          (5) A letter from a responsible officer of the Company with respect to
     past and anticipated Centaur Settlement Amounts, which letter shall have
     been approved by the Agent.


                                     -36-

 

     (b)  Subsidiary Documents.  On or before the Amendment Effective Date, each
of the Borg-Warner Guarantor Subsidiaries that are Material Subsidiaries and
each of the other Borg-Warner Subsidiaries that are Material Subsidiaries shall
execute and deliver to the Banks (or to the Agent with sufficient originally
executed copies, where appropriate, for each Bank) the following, each, unless
otherwise noted, dated the Amendment Effective Date:

          (i) Certified copies of its Certificate of Incorporation, together
     with a good standing certificate from the Secretary of State of the State
     of Delaware and each other state in which its headquarters office is
     located and a certificate or other evidence of good standing as to payment
     of any applicable franchise or similar taxes from the appropriate taxing
     authority of each of such states (or in lieu of such certificate as to the
     payment of such taxes, an Officers' Certificate to such effect), each dated
     a recent date prior to the Amendment Effective Date;

          (ii) Copies of its Bylaws, certified as of the Amendment Effective
     Date by its corporate secretary or an assistant secretary;

          (iii) Resolutions of its Board of Directors approving and authorizing
     the execution, delivery and performance of the Borg-Warner Subsidiary
     Guaranty by the Borg-Warner Subsidiary Guarantors and of the Borg-Warner
     Subsidiary Pledge Agreement by the Material Subsidiaries, certified as of
     the Amendment Effective Date by its corporate secretary or an assistant
     secretary as being in full force and effect without modification or
     amendment;

          (iv) Signature and incumbency certificates of its officers executing
     the other Credit Documents to which it is to be a party;

          (v) Executed originals of the Credit Documents to which it is a party;

                                     -37-

 

          (vi) Such other documents as the Agent or the Required Banks may
     reasonably request;

          (vii)  Signature and incumbency certificates of its officers executing
     this Amendment; and

          (viii)  Executed copies of this Amendment.

     (c)  Fees.  On or before the Amendment Effective Date, each Bank shall have
received an amendment/extension fee in the amount equal to such Bank's
Participation Commitment (as set forth on Schedule 2 hereto) multiplied by 1.25%
and the Agent shall have received Agent's fees in an amount previously agreed to
by the Company and the Agent.

     (d)  Banks Execution.  On or before the Amendment Effective Date, the Banks
shall have delivered to the Agent originally executed copies of this Amendment.

     (e)  BT Credit Agreement.  On or before the Amendment Effective Date,
corresponding consents and amendments shall have been obtained or made with
respect to the BT Credit Agreement.

     (f)  Term Loan Facility.  On the Amendment Effective Date, the Company and
the lenders party thereto shall have executed and delivered the Term Loan
Facility and an executed copy thereof and of the other loan documents related
thereto shall have been delivered to the Agent.

     (g)  Completion of Proceedings.  On or before the Amendment Effective Date,
all corporate and other proceedings taken or to be taken in connection with the
transactions contemplated hereby and all documents incidental thereto not
previously found acceptable by the Agent, acting on behalf of the Banks, and its
counsel shall be satisfactory in form and substance to the Agent and such
counsel, and the Agent and such counsel shall have received all such counterpart
originals or certified copies of such documents as the Agent may reasonably
request.

                                     -38-

 

     (h)  Receivables Purchase Facility.  On or before the Amendment Effective
Date, the Company and Bankers Trust Company shall have executed and delivered
the Receivables Bridge Commitment Letter and such Receivables Bridge Commitment
Letter shall be in full force and effect.

     (i)  Refinancing of LTCB Term Loan.  On the Amendment Effective Date, the
Company shall have repaid in full all amounts outstanding under the LTCB Term
Loan.

     (j)  Consents and Approvals.  The Company shall have obtained all such
consents, waivers, amendments, approvals and the like as may be required from
the Company's existing lenders to permit the extensions of credit under this
Credit Agreement and all related transactions and shall otherwise be in
compliance with such agreements.

     (k) Representations and Warranties; Performance of Agreements. The Company
shall have delivered to the Agent an Officers' Certificate, dated Amendment
Effective Date and addressed to the Agent, in form and substance satisfactory to
the Agent, to the effect that (i) the representations and warranties in Section
4 hereof are true, correct and complete in all material respects on and as of
the Amendment Effective Date to the same extent as though made on and as of the
date, (ii) since December 31, 1994 through the Amendment Effective Date there
has been no change in the prospects of the Company or its Subsidiaries which has
been materially adverse to the Company or the Company and its Subsidiaries taken
as a whole, and (iii) the Company has performed in all material respects all
agreements and satisfied all conditions which the Credit Agreement as amended
hereby provides shall be performed or satisfied by it on or before the Amendment
Effective Date except as otherwise disclosed to and agreed to in writing by the
Agent and the Required Banks.

     (l)  Security Interest.  The Company shall have taken or caused to be taken
such actions in such a manner so that the Collateral Agent, on behalf of the
Banks, has a valid and perfected, first priority security interest in the entire
Collateral (except to the extent any such security interest cannot be granted
under applicable laws).  Such actions shall 


                                     -39-

 

include, without limitation: (1) the delivery by the Company of the Pledge
Amendment pledging the shares of BPS Financial Services, Inc., together with
stock certificates (which certificates shall be registered in the name of the
Collateral Agent or properly endorsed in blank for transfer or accompanied by
irrevocable undated stock powers duly endorsed in blank, all in form and
substance satisfactory to the Collateral Agent) representing all of the capital
stock of BPS Financial Services, Inc. and pledging the intercompany promissory
notes referred to in Section 6.1(vii) (which promissory notes shall be properly
endorsed in blank or to the Collateral Agent, in form and substance satisfactory
to the Collateral Agent); and (2) the delivery to the Collateral Agent by
Material Subsidiaries of the intercompany promissory notes referred to in
Section 6.1(vii) (which promissory notes shall be properly endorsed in blank or
to the Collateral Agent, in form and substance satisfactory to the Collateral
Agent).

     (m)  The Officers' Certificate.  The Company shall have delivered to the
Agent an Officers' Certificate setting forth the calculation of the tangible
asset value of the Material Subsidiaries as of June 30, 1995, as set forth in
Section 4.1.D of the Credit Agreement.

4.  COMPANY'S REPRESENTATIONS AND WARRANTIES

     In order to induce the Agent and the Banks to enter into this Amendment and
to amend the Credit Agreement in the manner provided herein, the Company
represents and warrants to the Agent and each Bank that the following statements
are true, correct and complete:

     (a) Corporate Power and Authority. The Company has all requisite corporate
power and authority to enter into this Amendment and to carry out the
transactions contemplated by, and perform its obligations under, the Credit
Agreement as amended by this Amendment (the "Amended Agreement").

     (b)  Authorization of Agreements.  The execution and delivery of this
Amendment and the performance of the Amended 

                                     -40-

 
Agreement have been duly authorized by all necessary corporate action on the
part of the Company.

     (c) No Conflict. The execution and delivery by the Company of this
Amendment and the performance by the Company of the Amended Agreement do not and
will not (i) violate any provision of any law or any governmental rule or
regulation applicable to the Company or any of its Subsidiaries, the Certificate
or Articles of Incorporation or Bylaws of the Company or any of its Subsidiaries
or any order, judgment or decree of any court or other agency of government
binding on the Company or any of its Subsidiaries, (ii) conflict with, result in
a breach of or constitute (with due notice or lapse of time or both) a default
under any Contractual Obligation of the Company or any of its Subsidiaries,
(iii) result in or require the creation or imposition of any Lien upon any of
the properties or assets of the Company or any of its Subsidiaries (other than
any Liens created under any of the Credit Documents in favor of Collateral Agent
on behalf of the Banks), or (iv) require any approval of stockholders or any
approval or consent of any Person under any Contractual Obligation of the
Company or any of its Subsidiaries.

     (d) Governmental Consents. The execution and delivery by the Company of
this Amendment and the performance by the Company of the Amended Agreement do
not and will not require any registration with, consent or approval of, or
notice to, or other action to, with or by, any federal, state or other
governmental authority or regulatory body.

     (e) Binding Obligation. This Amendment and the Amended Agreement have been
duly executed and delivered by the Company and are the legally valid and binding
obligations of the Company, enforceable against the Company in accordance with
their respective terms, except as may be limited by bankruptcy, insolvency,
reorganization, moratorium or similar laws relating to or limiting creditors'
rights generally or by equitable principles relating to enforceability.

     (f) Incorporation of Representations and Warranties From Credit Agreement.
The representations and warranties contained in Article IV of the Credit
Agreement are and will be true,

                                     -41-


 
correct and complete in all material respects on
and as of the Amendment Effective Date to the same extent as through made on and
as of that date, except to the extent such representations and warranties
specifically relate to an earlier date, in which case they were true, correct
and complete in all material respects on and as of such earlier date.

     (g)  Absence of Default.  No event has occurred and is continuing or will
result from the consummation of the transactions contemplated by this Amendment
that would constitute a Default or an Unmatured Default.

5.  MISCELLANEOUS

     (a)  Reference to and Effect on the Credit Agreement and the other Credit
Documents.

          (1) On and after the Amendment Effective Date, each reference in the
     Credit Agreement to "this Agreement", "hereunder", "hereof", "herein" or
     words of like import referring to the Credit Agreement, and each reference
     in the other Credit Documents to the "Credit Agreement", "thereunder",
     "thereof" or words of like import referring to the Credit Agreement shall
     mean and be a reference to the Amended Agreement.

          (2) Except as specifically amended by this Amendment, the Credit
     Agreement and the other Credit Documents shall remain in full force and
     effect and are hereby ratified and confirmed.

          (3) The execution, delivery and performance of this Amendment shall
     not, except as expressly provided herein, constitute a waiver of any
     provision of, or operate as a waiver of any right, power or remedy of the
     Agent or any Bank under, the Credit Agreement or any of the other Credit
     Documents.

     (b)  Fees and Expenses.  The Company acknowledges that all costs, fees and
expenses as described in Section 9.9 of the Credit Agreement incurred by the
Agent and its counsel with 

                                     -42-


 
respect to this Amendment and the documents and transactions contemplated hereby
shall be for the account of the Company.

     (c)  Headings.  Section and subsection headings in this Amendment are
included herein for convenience of reference only and shall not constitute a
part of this Amendment for any other purpose or be given any substantive effect.

     (d)  Counterparts.    This Amendment may be executed in any number of
counterparts and by different parties hereto in separate counterparts, each of
which when so executed and delivered shall be deemed an original, but all such
counterparts together shall constitute but one and the same instrument;
signature pages may be detached from multiple separate counterparts and attached
to a single counterpart so that all signature pages are physically attached to
the same document.

     (e)  Governing Law. THIS AMENDMENT SHALL BE GOVERNED BY, AND SHALL BE
CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE OF NEW
YORK, WITHOUT REGARD TO CONFLICT OF LAWS PRINCIPLES.

6.  ACKNOWLEDGEMENT AND CONSENT

          The Company is a party to the Company Pledge Agreement, as amended
through the Amendment Effective Date, pursuant to which the Company has pledged
certain Collateral to the Collateral Agent to secure the Obligations.  Each of
the Borg-Warner Pledged Subsidiaries is a party to the Borg-Warner Subsidiary
Pledge Agreement, as amended through the Amendment Effective Date, pursuant to
which each such Borg-Warner Pledged Subsidiary has pledged certain Collateral to
the Collateral Agent to secure the Obligations.  Each of the Borg-Warner
Guarantor Subsidiaries is a party to the Borg-Warner Subsidiary Guaranty, as
amended through the Amendment Effective Date, pursuant to which each such Borg-
Warner Guarantor Subsidiary has guarantied the Obligations.  The Company, the
Borg-Warner Pledged Subsidiaries and the Borg-Warner Guarantor Subsidiaries are
collectively referred to herein as the "Credit Support Parties," and the Company
Pledge Agreement, the Borg-Warner Subsidiary Pledge Agreement, and the Borg-
Warner Subsidiary Guaranty are 

                                     -43-


 
collectively referred to herein as the "Credit Support Documents".

          Each Credit Support Party hereby acknowledges that it has reviewed the
terms and provisions of this Amendment and consents to the amendment of the
Credit Agreement effected pursuant to this Amendment.  Each Credit Support Party
hereby confirms that each Credit Support Document to which it is a party or
otherwise bound and all Collateral encumbered thereby will continue to guaranty
or secure, as the case may be, to the fullest extent possible the payment and
performance of all "Obligations", "Guarantied Obligations" and "Secured
Obligations", as the case may be (in each case as such terms are defined in the
applicable Credit Support Document), including without limitation the payment
and performance of all such "Obligations", "Guarantied Obligations" or "Secured
Obligations", as the case may be, in respect of the Obligations of the Company
now or hereafter existing under or in respect of the Amended Agreement.

          Each Credit Support Party acknowledges and agrees that any of the
Credit Support Documents to which it is party or otherwise bound shall continue
in full force and effect and that all of its obligations thereunder shall be
valid and enforceable and shall not be impaired or limited by the execution or
effectiveness of this Amendment.  Each Credit Support Party represents and
warrants that all representations and warranties contained in the Amended
Agreement and the Credit Support Documents to which it is a party or otherwise
bound are true, correct and complete in all material respects on and as of the
Amendment Effective Date to the same extent as though made on and as of that
date, except to the extent such representations and warranties specifically
relate to an earlier date, in which case they were true, correct and complete in
all material respects on and as of such earlier date.

          Each Credit Support Party (other than the Company) acknowledges and
agrees that (i) such Credit Support Party is not required by the terms of the
Credit Agreement or any other Credit Document to consent to the amendments of
the Credit Agreement effected pursuant to this Amendment and (ii) nothing in the

                                     -44-


 



Credit Agreement, this Amendment or any other Credit Document shall be deemed to
require the consent of such Credit Support Party to any future amendments to the
Credit Agreement.



                           [Signature pages follow]







                                      -45-

 

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and delivered by their respective officers thereunto duly
authorized as of the date first written above.

                              BORG-WARNER SECURITY CORPORATION

                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              WELLS FARGO ALARM SERVICES, INC.
                              (for purposes of Section 6 only)
                              as a Credit Support Party

                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              WELLS FARGO ARMORED SERVICE
                              CORPORATION (for purposes of
                              Section 6 only)
                              as a Credit Support Party

                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              BW-CANADIAN GUARD CORPORATION
                              (for purposes of Section 6 only)
                              as a Credit Support Party

 
                              By:
                                 -----------------------------

                              Title:
                                    --------------------------


                              BORG-WARNER PROTECTIVE SERVICES
                              CORPORATION
                              (for purposes of Section 6 only)
                              as a Credit Support Party


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------


                                      S-1

 
                              PONY EXPRESS COURIER CORP.
                              (for purposes of Section 6 only)
                              as a Credit Support Party


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              THE LONG-TERM CREDIT BANK OF
                              JAPAN, LTD., individually as
                              a Bank and as Agent
 

                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              CAISSE NATIONALE DE CREDIT AGRICOLE


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              THE SUMITOMO BANK LIMITED, CHICAGO BRANCH


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              U.S. NATIONAL BANK OF OREGON


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              BANK OF HAWAII


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------



                                      S-2

 
                              THE FUJI BANK, LIMITED


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              THE BANK OF NEW YORK


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------

                              THE TORONTO-DOMINION BANK


                              By:
                                 -----------------------------

                              Title:
                                    --------------------------


                                      S-3