GM Service Manual Online
For 1990-2009 cars only

Positive and Negative 14-Volt Battery Cable Replacement 5.3L Engine w/RPO HP2

Removal Procedure


    Object Number: 832902  Size: SH
  1. Disconnect the generator battery carrier. Refer to Hybrid Battery Service Disconnect/Connect .
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

  3. Object Number: 662504  Size: SH
  4. Unsnap the positive battery cable cap.
  5. Disconnect the positive battery cable.

  6. Object Number: 349812  Size: SH
  7. Remove the left fender to cowl support brace bolts and brace.
  8. Remove the underhood electrical center (UEC) cover.

  9. Object Number: 847253  Size: SH

    Important: The bolt is integral to the battery cable and is not removable.

  10. Loosen the positive battery cable bolt at the UEC.
  11. Remove the positive cable from the UEC.
  12. Remove the nut at the UEC.
  13. Remove the positive cable from the UEC.

  14. Object Number: 1237043  Size: SH
  15. Remove the harness clip bolt (1) from the junction block bracket.
  16. Remove the junction block from the bracket.

  17. Object Number: 1237045  Size: SH
  18. Loosen the 14V positive/negative battery cable bolt (1).
  19. Remove the red connector position assurance (CPA) retainer.
  20. Disconnect the 14V positive/negative battery cable.

  21. Object Number: 1257491  Size: SH
  22. Remove the 14V positive/negative cable clips (1) from the frame.

  23. Object Number: 1257490  Size: SH
  24. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  25. Remove the engine wiring harness ground/negative cable bolt (2).
  26. Reposition the wiring harness ground (3) and battery cable ground (1).
  27. Remove the forward lamp wiring harness ground/negative cable bolt (6).
  28. Reposition the ground wire (5) and forward lamp harness ground (7).
  29. Remove the battery cable channel bolt (4).
  30. Remove the starter harness branch clips from the battery channel.
  31. Slide the channel pin out of the oil pan tab.
  32. Lower the vehicle.
  33. Remove the 14V positive/negative battery cable.

Installation Procedure


    Object Number: 1257490  Size: SH
  1. Install the 14V positive/negative battery cable.
  2. Raise the vehicle.
  3. Slide the channel pin into the oil pan tab.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the starter harness branch clips to the battery channel.
  6. Install the battery cable channel bolt (4).
  7. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  8. Position the ground wire (5) and forward lamp harness ground (7).
  9. Install the forward lamp wiring harness ground/negative cable bolt (6).
  10. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  11. Position the wiring harness ground (3) and battery cable ground (1).
  12. Install the engine wiring harness ground/negative cable bolt (2).
  13. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  14. Lower the vehicle.

  15. Object Number: 1257491  Size: SH
  16. Install the 14V positive/negative cable clips (1) to the frame.

  17. Object Number: 1237045  Size: SH
  18. Connect the 14V positive/negative battery cable.
  19. Install the red CPA retainer.
  20. Tighten the 14V positive/negative battery cable bolt (1).
  21. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1237043  Size: SH
  22. Install the junction block to the bracket.
  23. Install the harness clip bolt (1) to the junction block bracket.
  24. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 847253  Size: SH
  25. Install the positive cable to the UEC.
  26. Install the nut at the UEC.
  27. Position the positive cable to the UEC.
  28. Tighten the positive battery cable bolt at the UEC.
  29. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 349812  Size: SH
  30. Install the UEC cover.
  31. Install the left fender to cowl support brace and bolts.
  32. Tighten
    Tighten the bolts to 9 N·m (80 lb in).


    Object Number: 662504  Size: SH
  33. Connect the positive battery cable.
  34. Tighten
    Tighten the bolt to 17 N·m (13 lb ft).

  35. Snap the positive battery cable cap closed.

  36. Object Number: 832902  Size: SH
  37. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  38. Connect the generator battery carrier. Refer to Hybrid Battery Service Disconnect/Connect .