GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Alero 🢒 Body and Accessories 🢒 Doors 🢒 Instrument Panel Electrical Center or Junction Block Replacement

Removal Procedure

    Object Number: 291462 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the instrument panel (I/P) outer trim covers (1,3).

    3. Object Number: 743456 Size: SH
  3. Loosen the electrical connector bolt at the outboard I/P junction block. Disengage the electrical connector tabs in order to disconnect the electrical connector from the junction block. The left side is shown in the graphic, the right side is similar.

    4. Object Number: 757357 Size: SH
  4. On the driver side of the vehicle, perform the following procedures:
    5. 4.1. Disengage the junction block tabs from the cross vehicle beam.
    4.2. Pull the junction block away from the I/P.
    4.3. Loosen the electrical connector bolts on the inboard I/P junction block. Disengage the electrical connector tabs in order to disconnect the inboard electrical connectors from the junction block.

    Object Number: 757358 Size: SH
  5. On the passenger side of the vehicle, perform the following procedures:
    6. 5.1. Remove the I/P compartment.
    5.2. Loosen the electrical connector bolts on the inboard I/P junction block. Disengage the electrical connector tabs in order to disconnect the inboard electrical connectors from the junction block.
    5.3. Disengage the junction block tabs from the cross vehicle beam.
  6. Remove the fuses and relays from the junction block.
  7. Remove the junction block.

Installation Procedure

    Object Number: 757358 Size: SH
  1. Position the junction block to the vehicle.
  2. Install the fuses and relays to the junction block.
  3. On the passenger side of the vehicle, perform the following procedures:
    4. 3.1. Install the junction block to the cross vehicle beam.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    3.2. Connect the inboard I/P electrical connectors to the junction block.

    Tighten
    Tighten the connector bolts to 7 N·m (62 lb in).

    3.3. Install the I/P compartment.

    Object Number: 757357 Size: SH
  4. On the driver side of the vehicle, perform the following procedures:
    5. 4.1. Connect the inboard I/P electrical connectors to the junction block.

    Tighten
    Tighten the connector bolts to 7 N·m (62 lb in).

    4.2. Install the junction block to the cross vehicle beam.

    Object Number: 743456 Size: SH
  5. Install the outboard I/P electrical connector to the junction block. The left side is shown in the graphic, the right side is similar.

    6. Tighten
    Tighten the connector bolt to 7 N·m (62 lb in).


    Object Number: 291462 Size: SH
  6. Install the I/P outer trim covers (1,3).
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.