GM Service Manual Online
For 1990-2009 cars only

Battery Positive Cable Replacement Underhood Junction Block to Starter

Removal Procedure

    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.

  1. Disconnect the negative battery cable from the battery. Refer to Battery Negative Cable Disconnection and Connection .

  2. Object Number: 1548583  Size: SH
  3. Disconnect the positive battery cable nut (1) from the underhood junction block terminal.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  5. Object Number: 1548668  Size: SH
  6. Remove the positive battery cable nut (2).
  7. Disconnect the positive battery cable (1) from the starter.
  8. Remove the positive battery cable from the vehicle.

Installation Procedure


    Object Number: 1548668  Size: SH
  1. Place the battery cable in the vehicle using the original routing.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Connect the positive battery cable (1) to the starter and the positive cable nut (2).
  4. Tighten
    Tighten the starter terminal nut to 17 N·m (13 lb ft).

  5. Tape the positive battery cable to the negative battery cable near the transmission.
  6. Lower the vehicle.

  7. Object Number: 1548583  Size: SH
  8. Connect the positive cable (2) to the underhood junction block.
  9. Connect the positive battery cable nut (1) to the underhood junction block.
  10. Tighten
    Tighten the bolt (2) to 17 N·m (13 lb ft).

  11. Connect the negative battery cable to the battery. Refer to Battery Negative Cable Disconnection and Connection .

Battery Positive Cable Replacement Battery to Underhood Junction Block

Removal Procedure

    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.

  1. Disconnect the negative battery cable from the battery. Refer to Battery Negative Cable Disconnection and Connection .

  2. Object Number: 1548549  Size: SH
  3. Disconnect the positive battery cable end (1) from the battery.
  4. Disconnect the positive battery cable (3) from the connector (2).
  5. Remove the underhood junction block. Refer to Underhood Electrical Center or Junction Block Bracket Replacement in Wiring Systems.
  6. Unseat the cable retainer from the underhood area near the LT shock tower.
  7. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  8. Remove the drivers seat assembly. Refer to Front Seat Replacement - Bucket in Seats.
  9. Pull back the carpet and sound insulation padding in order to expose the battery positive cable. Refer to Floor Panel Carpet Replacement in Interior Trim.

  10. Object Number: 1548552  Size: SH
  11. Remove the battery cable clip (1) from the weld studs.
  12. Remove the battery cable clip (2) from the floor plan.

  13. Object Number: 1548555  Size: SH
  14. Release all of the cable hold down clips (1) in the interior area of the floor pan.

  15. Object Number: 1548571  Size: SH
  16. Remove the battery cable from the body harness clips (1).

  17. Object Number: 1548583  Size: SH
  18. Remove the battery positive cable nut (1).
  19. Remove the battery cable (2) from the junction block stud.

  20. Object Number: 1548578  Size: SH
  21. Remove the battery cable from the remaining body harness clips (2).
  22. Pull the interior to engine compartment grommet (1) from the interior in order to release the battery cable from the vehicle.

Installation Procedure

  1. Route the battery cable through the engine compartment pass through and up to the underhood junction.

  2. Object Number: 1548578  Size: SH
  3. Seat the interior to engine compartment grommet (1) by pulling from the engine compartment side of the battery cable.
  4. Install the battery cable to the retaining clips (2).

  5. Object Number: 1548583  Size: SH
  6. Install the battery cable (2) to the junction block stud.
  7. Notice: Refer to Fastener Notice in the Preface section.

  8. Install the battery cable nut (1).
  9. Tighten
    Tighten the nut to 15 N·m (11 lb ft).


    Object Number: 1548571  Size: SH
  10. Install the battery cable to the body harness clips (1).

  11. Object Number: 1548555  Size: SH
  12. Route the battery cable along the floor pan and install the battery cable to all of the hold down clips (1).

  13. Object Number: 1548552  Size: SH
  14. Install the battery cable clip (2) to the floor pan.
  15. Install the battery cable clips (1) to the floor pan studs.
  16. Position the sound insulation and carpet to the interior. Refer to Floor Panel Carpet Replacement in Interior Trim.
  17. Install the drivers seat assembly. Refer to Front Seat Replacement - Bucket in Seats.
  18. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  19. Secure the cable retainer to the underhood area near the LT shock tower.
  20. Install the underhood junction block. Refer to Underhood Electrical Center or Junction Block Bracket Replacement in Wiring Systems.

  21. Object Number: 1548549  Size: SH
  22. Connect the positive battery cable end (1) to the battery.
  23. Tighten
    Tighten the positive battery terminal bolt (1) to 15 N·m (11 lb ft).

  24. Connect the positive cable (3) to the connector (2).
  25. Connect the negative battery cable (1) to the battery. Refer to Battery Negative Cable Disconnection and Connection .