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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1812 (Battery, Charging System And Starting System) >> Repair Instructions >> Battery Positive Cable Replacement (2.4L (LAT)) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • Always use replacement cables that are of the same type, diameter and length of the cables that you are replacing.
  • Always route the replacement cable the same way as the original cable.
    Fig 1: View Of Engine Wiring Harness Auxiliary BEC Stud
    GM1813965Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (2.2L (L61) and 3.5L (L66))  or Battery Negative Cable Disconnection and Connection (2.4L (LAT)) .
  2. Open the positive battery cable cover on the engine wiring harness auxiliary bussed electrical center (BEC).
  3. Remove the positive battery cable to the engine wiring harness auxiliary BEC stud nut (1).
  4. Remove the positive battery cable lead (2) from the engine wring harness auxiliary BEC.
  5. Remove the positive battery cable retainer from the positive battery cable bracket.
    6. Fig 2: View Of Engine Wiring Harness Auxiliary Bussed Electrical Center (BEC)
    GM1813960Courtesy of GENERAL MOTORS CORP.
  6. Remove the engine wiring harness auxiliary BEC from the wiring harness relay block bracket.
  7. Remove the engine wiring harness retainer from the positive battery cable bracket.
  8. Reposition the engine wiring harness auxiliary BEC out of the way.
    9. Fig 3: Identifying Hybrid-Related Harness Retainers
    GM1820895Courtesy of GENERAL MOTORS CORP.
  9. Remove the 36 volt positive battery cable retainer (4) from the engine control module (ECM) bracket.
    10. Fig 4: Identifying ECM Bracket And ECM
    GM1813961Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: It is not necessary to disconnect the engine wiring harness and the body wiring harness electrical connectors from the ECM prior to repositioning. It is also not necessary to remove the ECM from the bracket prior to repositioning.
  10. Remove the ECM bracket (1) from the battery hold down bracket. Reposition the ECM bracket out of the way.
    11. Fig 5: Battery Hold Down Bracket And Retainers
    GM1813962Courtesy of GENERAL MOTORS CORP.
  11. Remove the battery hold down bracket nuts (1, 4).
  12. Remove the wiring harness relay block bracket nut (3) and bracket (2).
  13. Remove the battery hold down retainer (5).
  14. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    15. Fig 6: View Of Starter And Electrical Connectors
    GM1813964Courtesy of GENERAL MOTORS CORP.
  15. Remove the positive battery cable to starter motor nut (4).
  16. Remove the positive battery cable lead (1) from the starter motor.
  17. Remove the positive battery cable from in between the starter and the engine.
  18. Lower the vehicle.
    19. Fig 7: Underhood Bussed Electrical Center (UBEC)
    GM1814045Courtesy of GENERAL MOTORS CORP.
  19. Remove the underhood bussed electrical center (UBEC) cover.
    20. Fig 8: Clips And Bolts
    GM1820891Courtesy of GENERAL MOTORS CORP.
  20. Remove the positive battery cable lead to UBEC nut (1).
  21. Remove the positive battery cable lead (2) from the UBEC stud.
    22. Fig 9: Positive Battery Cable
    GM1813963Courtesy of GENERAL MOTORS CORP.
  22. Remove the positive battery cable lead from the UBEC.
  23. Squeeze the two side retaining tabs on the positive battery cable cover, and open the cover.
  24. Loosen the positive battery cable terminal nut (1).
  25. Remove the positive battery cable from the battery.
    26. IMPORTANT: Note the routing of the positive battery cable prior to removing.
  26. Remove the positive battery cable from the vehicle.
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