GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the electrical center cover and push the tab to release the electrical center from the battery.
  2. Open the battery isolator.
  3. Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  4. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  5. Remove the power distribution leads from the positive battery cable.

  6. Object Number: 634215  Size: SH
  7. Disconnect the positive battery cable:
  8. • Loosen the clamp bolt.
    • Use a twisting motion to release the clamp.
    • Use a universal puller if the clamp does not easily release.
  9. Remove the front engine wiring harness cover.
  10. Remove the positive battery cable from the front engine wiring harness.
  11. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  12. Object Number: 217186  Size: SH
  13. Remove the positive battery cable starter motor lead nut (1) from the starter.
  14. Remove the positive battery cable lead from the starter.
  15. Remove the starter solenoid terminal lead nut (2) from the starter.
  16. Remove the starter solenoid terminal lead from the starter.

  17. Object Number: 217393  Size: SH
  18. Remove the positive battery cable nut (2) from the generator.
  19. Remove the positive battery cable from the generator.
  20. Remove the electrical tape from the wiring harness.
  21. Remove the positive battery cable from the wiring harness.

Installation Procedure

  1. Install the positive battery cable to the wiring harness.
  2. Install the electrical tape to the wiring harness.

  3. Object Number: 217393  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the positive battery cable to the generator.
  5. Install the positive battery cable nut (2) to the generator.
  6. Tighten
    Tighten the positive battery cable nut (2) to 8 N·m (71 lb in).


    Object Number: 217186  Size: SH
  7. Install the starter solenoid terminal lead to the starter.
  8. Install the starter solenoid terminal lead nut (2) to the starter.
  9. Tighten
    Tighten the starter solenoid terminal lead nut (2) to 4 N·m (35 lb in).

  10. Install the positive battery cable lead to the starter.
  11. Install the positive battery cable starter motor lead nut (1) to the starter.
  12. Tighten
    Tighten the positive battery cable starter motor lead nut (1) to 13 N·m (115 lb in).

  13. Lower the vehicle.
  14. Install the positive battery cable to the front engine wiring harness.
  15. Install the front engine wiring harness cover.

  16. Object Number: 634215  Size: SH
  17. Connect the positive battery cable.
  18. Tighten
    Tighten the positive battery cable bolt to 6 N·m (53 lb in).

  19. Install the power distribution leads to the battery positive cable clamp.
  20. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  21. Close the battery isolator.
  22. Install the electrical center to the battery and close the cover.