GM Service Manual Online
For 1990-2009 cars only

Battery Positive Cable Replacement 7.2L (CAT)

Important: When replacing battery cables, use a replacement cable that is the same type, diameter, and length. Additional feed wires may be attached to the positive cables. Additional ground leads may be attached to the negative cables. Always route a replacement battery cable the same as the original cable routing.

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

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

  2. Object Number: 215033  Size: SH
  3. Remove the positive cable from the starter solenoid.

  4. Object Number: 826388  Size: SH
  5. Remove the positive cable junction block .
  6. Remove the positive cable clamps and tie downs.
  7. Remove the positive cable.

Installation Procedure

  1. Install the positive cable to the original routing.
  2. Install the positive cable clamps and the tie downs.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 826388  Size: SH
  4. Install the positive cable and the nut to the junction block .
  5. Tighten
    Tighten the positive cable to the Maxi-Fuse® block bolt to 11 N·m (97 lb in).


    Object Number: 215033  Size: SH
  6. Install the harness leads and the nuts to the starter solenoid.
  7. Tighten

        • Tighten the positive cable starter nut to 10 N·m (89 lb in).
        • Tighten the positive cable starter nut to 30 N·m (22 lb ft).
  8. Connect the negative battery cable.
  9. Tighten

        • Tighten the side post terminal bolt to 15 N·m (11 lb ft).
        • Tighten the top post terminal nut to 17 N·m (13 lb ft).