GM Service Manual Online
For 1990-2009 cars only

Battery Positive Cable Replacement LAT

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.


    Object Number: 1891303  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the engine wiring harness electrical connector (1) from the starter.

  4. Object Number: 1891299  Size: SH
  5. Remove the positive battery cable to starter motor nut (1).
  6. Remove the positive battery cable lead (2) from the starter motor.

  7. Object Number: 1891297  Size: SH
  8. Remove the positive battery cable clip (2) from the oil level indicator tube bracket (1).
  9. Lower the vehicle.

  10. Object Number: 1891200  Size: SH
  11. Disengage the two side retaining tabs on the positive battery cable cover (1), and open the cover.
  12. Remove the battery positive cable extension cable nut (2).
  13. Remove the battery positive cable extension cable lead (3) from the positive battery cable.

  14. Object Number: 1891511  Size: SH
  15. Remove the underhood bussed electrical connector (UBEC) cover (1).

  16. Object Number: 1891199  Size: SH
  17. Loosen the integral bolt (5) on the positive battery cable lead (4) and remove the lead from the UBEC.
  18. Loosen the positive battery cable nut (2).
  19. Remove the positive battery cable (3) from the battery.

  20. Object Number: 1891625  Size: SH
  21. Cut, remove and discard the tape (1) securing the positive cable to the negative cable.
  22. Separate the positive battery cable (4) from the negative battery cable (3).
  23. Important: Note the routing of the positive battery cable assembly prior to removing.

  24. Remove the positive battery cable assembly.

Installation Procedure


    Object Number: 1891625  Size: SH
  1. Place the NEW positive battery cable (4) next to the negative battery cable (3).
  2. Install NEW tape (1) securing the positive cable to the negative cable.
  3. Place the positive battery cable assembly into position in the vehicle as noted during removal.

  4. Object Number: 1891199  Size: SH
  5. Install the positive battery cable (3) to the battery.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Tighten the positive battery cable nut (2).
  8. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  9. Position positive battery cable lead (4) to the UBEC and tighten the integral bolt (5).
  10. Tighten
    Tighten the bolt to 5 N·m (44 lb in).


    Object Number: 1891511  Size: SH
  11. Install the UBEC cover (1).

  12. Object Number: 1891200  Size: SH
  13. Install the battery positive cable extension cable lead (3) to the positive battery cable.
  14. Install the battery positive cable extension cable nut (2).
  15. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  16. Close the positive battery cable cover (1).

  17. Object Number: 1891297  Size: SH
  18. Install the positive battery cable clip (2) to the oil level indicator tube bracket (1).

  19. Object Number: 1891299  Size: SH
  20. Raise and suitably support the vehicle.
  21. Install the positive battery cable lead (2) to the starter motor.
  22. Install the positive battery cable to starter motor nut (1).
  23. Tighten
    Tighten the nut to 10 N·m (89 lb in).


    Object Number: 1891303  Size: SH
  24. Connect the engine wiring harness electrical connector (1) to the starter.
  25. Lower the vehicle.
  26. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

Battery Positive Cable Replacement LZ4

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Loosen the positive battery cable bolt and remove the positive battery cable from the battery.
  3. Loosen the positive battery cable bolt at the junction block and remove the cable from the junction block.
  4. Remove the positive battery cable clip from the battery tray.
  5. Remove the tape holding the negative battery cable to the positive battery cable.

  6. Object Number: 1584682  Size: SH
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  8. Remove the positive battery cable nut (3) from the starter solenoid.
  9. Remove the positive battery cable (1) from the starter solenoid.
  10. Lower the vehicle.
  11. Remove the positive battery cable.

Installation Procedure


    Object Number: 1584682  Size: SH
  1. Install the positive battery cable.
  2. Raise and the vehicle.
  3. Install the positive battery cable (1) to the starter solenoid.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the positive battery cable nut (3) to the starter solenoid.
  6. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  7. Lower the vehicle.
  8. Install the positive battery cable to the junction block and tighten the positive battery cable bolt.
  9. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  10. Install the positive battery cable clip (4) to the battery tray.
  11. Install tape in order to secure the negative battery cable to the positive battery cable.
  12. Position the positive battery cable to the battery.
  13. Tighten the positive battery cable bolt.
  14. Tighten
    Tighten the bolt to 17 N·m (13 lb ft).

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

Battery Positive Cable Replacement LY7

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Disconnect the positive battery cable from the battery.
  3. Loosen the positive battery cable bolt at the junction block and remove the cable from the junction block.
  4. Remove the positive battery cable clip from the battery tray.
  5. Remove the tape holding the negative battery cable to the positive battery cable.

  6. Object Number: 1644827  Size: SH
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  8. Remove the positive battery cable nut from the starter solenoid.
  9. Remove the positive battery cable from the starter solenoid.
  10. Lower the vehicle.
  11. Remove the positive battery cable from the vehicle.

Installation Procedure


    Object Number: 1644827  Size: SH
  1. Route the positive cable to the starter and the battery.
  2. Raise the vehicle.
  3. Install the positive cable to the starter solenoid.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the positive cable nut to the starter solenoid stud.
  6. Tighten
    Tighten the nut to 13 N·m (115 lb in).

  7. Lower the vehicle.
  8. Install the positive cable to the junction block and tighten the positive cable bolt.
  9. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  10. Install the positive cable clip (4) to the battery tray.
  11. Install tape to secure the negative battery cable to the positive battery cable.
  12. Install the positive cable to the positive terminal of the battery.
  13. Tighten the positive cable bolt).
  14. Tighten
    Tighten the bolt to 17 N·m (13 lb ft).

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