GM Service Manual Online
For 1990-2009 cars only

Fuse Block Replacement Fuse Block

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(s).

  2. Object Number: 386487  Size: SH
  3. Remove the left side end panel.
  4. Press on the clips on the top and the bottom in order to remove the fuse block from the instrument panel (IP) assembly.
  5. Disconnect all wiring connectors from the fuse block.
  6. Remove the fuse block from the vehicle.

Installation Procedure

  1. Connect all wiring connectors to the fuse block.
  2. Position the fuse block onto the IP assembly.
  3. Press on the clips on the top and the bottom of the fuse block and push in the clips until seated.

  4. Object Number: 386487  Size: SH
  5. Install the left side end panel.
  6. Connect the negative battery cable(s).

Fuse Block Replacement IP Wiring Harness Junction Block

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(s).
  2. Remove the right side end panel.
  3. Unclip the wiring connector(s) from the front of the Instrument Panel (IP) wiring harness junction block Unclip the harness from the fastener.

  4. Object Number: 375032  Size: SH
  5. Remove the IP wiring harness junction block from the IP by pressing on both of the clips and pulling rearward.
  6. Disconnect the lower IP light bulb by twisting the bulb counter-clockwise and pulling the bulb rearward.
  7. Feed the IP wiring harness junction block through the hole in the IP.
  8. Disconnect all remaining wiring connectors from the rear of the IP wiring harness junction block.
  9. Remove the IP wiring harness junction block from the vehicle.

Installation Procedure

  1. Connect the wiring connectors to the rear of the IP wiring harness junction block.
  2. Feed the IP wiring harness junction block through the hole in the IP.
  3. Connect the lower IP light bulb by twisting the bulb socket clockwise while pushing in.

  4. Object Number: 375030  Size: SH
  5. Connect the IP wiring harness junction block to the IP by pressing on both clips and pushing until sealed.

  6. Object Number: 375032  Size: SH
  7. Connect the wiring connector(s) onto the front of the IP wiring harness junction block and connect the harness to the fastener.
  8. Install the right side end panel.
  9. Connect the negative battery cable(s).

Fuse Block Replacement Body Wiring Harness Junction Block

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(s).
  2. Remove the harness from the front of the body wiring harness junction block.

  3. Object Number: 395180  Size: SH
  4. Unsnap the cover from the body wiring harness junction block.

  5. Object Number: 395181  Size: SH
  6. Unsnap the top pivots and rotate the body wiring harness junction block (1) down. Unsnap the lower pivots and remove the body wiring harness junction block from the bracket (2).
  7. Disconnect the two 68 Way IP connectors.
  8. Disconnect the remaining wiring connectors from the body wiring harness junction block.
  9. Remove the body wiring harness junction block from the vehicle.

Installation Procedure

  1. Connect the two 68 way IP connectors to the body wiring harness junction block.
  2. Connect all remaining wiring connectors.

  3. Object Number: 395181  Size: SH
  4. Snap the body wiring harness junction block (1) onto the bracket (2).
  5. Connect the harness to the front of the body wiring harness junction block.

  6. Object Number: 395180  Size: SH
  7. Fasten the cover to the body wiring harness junction block.
  8. Connect the negative battery cable(s).