GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Grand Prix 🢒 Body 🢒 Lighting Systems 🢒 Accessory Wiring Junction Block Replacement

Removal Procedure

    Object Number: 1203017 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the instrument panel (I/P) compartment access hole cover.

    3. Object Number: 928964 Size: SH
  3. Disconnect the body wiring harness from the accessory wiring junction block. Pull the harness away from the block for access.
  4. Open the I/P compartment. Access the junction block bolt through the open I/P compartment. Remove the junction block bolt.

    5. Object Number: 929411 Size: SH
  5. Disengage the junction block tabs from the passenger knee bolster. Pull the junction block away from the I/P.
  6. Remove the junction block.

Installation Procedure

    Object Number: 929411 Size: SH
  1. Seat the bottom junction block tabs and snap the top of the junction block to the passenger knee bolster.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 928964 Size: SH
  2. Install the junction block bolt.

    3. Tighten
    Tighten the junction block bolt to 10 N·m (89 lb in).

  3. Close the I/P compartment.
  4. Connect the body wiring harnesses to the junction block.

    5. Tighten
    Tighten the connector bolt to 2.5 N·m (22 lb in).


    Object Number: 1203017 Size: SH
  5. Install the I/P compartment access hole cover.
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .