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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1872 (HYBRID ENERGY STORAGE SYSTEM)REPAIR INSTRUCTIONSBATTERY POSITIVE CABLE EXTENSION CABLE REPLACEMENTINSTALLATION PROCEDURE
2004 Oldsmobile Bravada RWD

Installation Procedure

2004 Oldsmobile Bravada RWDSECTION Installation 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.
    Fig 1: Clips And Bolts
    GM1820891Courtesy of GENERAL MOTORS CORP.
  1. Install the 12 volt positive battery cable to the vehicle.
  2. Install the 12 volt positive battery cable lead (2) to the UBEC stud.
    3. NOTE: Refer to Fastener Notice .
  3. Install the positive battery cable lead nut (1) at the UBEC stud.

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

  4. Install the 12 volt positive battery cable clips (4) to the UBEC.
  5. Install the 12 volt positive battery cable clip (3) to the positive battery cable bracket.
  6. Position the body wiring harness junction block protector.
    7. Fig 2: Positive Battery Cable Nut And Bolt
    GM1831557
  7. Install the 12 volt positive battery cable to the generator control module.
  8. Install the 12 volt positive battery cable bolt at the generator control module.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

  9. Install the 12 volt positive battery cable nut at the generator control module.

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

    10. Fig 3: Generator Control Module Cover Bolts And Cover
    GM1816289Courtesy of GENERAL MOTORS CORP.
  10. Install the generator control module cover bolts and cover.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

    11. Fig 4: Engine Wiring Harness Electrical Connectors
    GM1816292Courtesy of GENERAL MOTORS CORP.
  11. Connect the 2 engine wiring harness electrical connectors (1) to the generator control module.
    12. Fig 5: Generator Control Module Bracket, Bolts And Stud
    GM1815938Courtesy of GENERAL MOTORS CORP.
  12. Install the generator control module bracket.
  13. Install the generator control module bracket bolts and stud.

    Tighten:  Tighten the bolts/stud to 10 N.m (89 lb in).

    14. Fig 6: Battery Hold Down Bracket And Retainers
    GM1813962Courtesy of GENERAL MOTORS CORP.
  14. Install the battery hold down retainer (5).
  15. Install the battery hold down bracket nuts (1, 4).

    Tighten:  Tighten the nuts to 10 N.m (89 lb in).

  16. Install the wiring harness relay block bracket (2) and nut (3).

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

    17. Fig 7: Bracket And Nut
    GM1816288Courtesy of GENERAL MOTORS CORP.
  17. Install the positive battery cable bracket (2) to the stud.
  18. Install the air conditioning compressor and condenser line nut (1) to the generator control module bracket stud.

    Tighten:  Tighten the nut to 20 N.m (15 lb ft).

    19. Fig 8: UBEC Bracket And Bolts
    GM1814038Courtesy of GENERAL MOTORS CORP.
  19. Install the UBEC bracket and bolts (1).

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

    20. Fig 9: Clips And Bolts
    GM1820891Courtesy of GENERAL MOTORS CORP.
  20. Install the 12 volt positive battery cable clip (3) to the positive battery cable bracket.
  21. Install the 12 volt positive battery cable clips (4) to the UBEC bracket.
    22. Fig 10: View Of Clip And UBEC Connector
    GM1814036Courtesy of GENERAL MOTORS CORP.
  22. Position the engine wiring harness electrical connector.
  23. Install the engine wiring harness UBEC electrical connector (1) to the UBEC bracket.
  24. Install the engine wiring harness clip (2) to the battery tray.
    25. Fig 11: Forward Lamp Wiring Harness Clips And Ubec Electrical Connector
    GM1814035Courtesy of GENERAL MOTORS CORP.
  25. Position the forward lamp wiring harness electrical connector.
  26. Install the forward lamp wiring harness UBEC electrical connector (1) to the UBEC bracket.
  27. Install the forward lamp wiring harness clips (2) to the positive battery cable bracket.
    28. Fig 12: Forward Lamp Wiring Harness Electrical Connector And UBEC Electrical Connector
    GM1814033Courtesy of GENERAL MOTORS CORP.
  28. Position the body wiring harness electrical connector.
  29. Install the body wiring harness UBEC electrical connector (1) to the UBEC bracket.
    30. Fig 13: Underhood Bussed Electrical Center (UBEC)
    GM1814045Courtesy of GENERAL MOTORS CORP.
  30. Install the UBEC.
  31. Connect the 3 electrical connector to the rear of the UBEC. Ensure that the color and location of each connector is correct.
  32. Tighten the UBEC bolts (2).

    Tighten:  Tighten the bolts to 4 N.m (35 lb in).

  33. Install the 3 positive cables to the UBEC stud and install the positive battery cable lead nut.

    34. Tighten:  Tighten the nut to 15 N.m (11 lb ft).

  34. Install the UBEC cover (1).
    35. Fig 14: View Of Engine Wiring Harness Auxiliary Bussed Electrical Center (BEC)
    GM1813960Courtesy of GENERAL MOTORS CORP.
  35. Position the engine wiring harness auxiliary BEC.
  36. Install the engine wiring harness auxiliary bussed electrical center (BEC) (1) to the wiring harness relay block bracket.
  37. Install the engine wiring harness clip (2) to the positive battery cable bracket.
    38. Fig 15: Identifying Forward Lamp Wiring Harness Electrical Connector
    GM1813958Courtesy of GENERAL MOTORS CORP.
  38. Install the forward lamp wiring harness electrical connector (1) to the positive battery cable bracket.
    39. Fig 16: Identifying ECM Bracket And ECM
    GM1813961Courtesy of GENERAL MOTORS CORP.
  39. Position and install the ECM bracket (1) to the battery hold down bracket.
    40. Fig 17: Identifying Hybrid-Related Harness Retainers
    GM1820895Courtesy of GENERAL MOTORS CORP.
  40. Install the 36 volt positive battery cable clip (4) to the engine control module ECM bracket.
  41. Connect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.