GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Impala 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Accessory Wiring Junction Block Replacement

Removal Procedure
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the left instrument panel (IP) insulator. Refer to Instrument Panel Insulator Replacement .
  3. Remove the accessory wiring junction block screws.
  4. Adjust the junction block for access.
  5. Remove the circuit breakers and the relays from the junction block as required.
  6. If necessary remove the junction block from the bracket assembly.

Installation Procedure
  1. If necessary install the junction block to the bracket assembly.
  2. Install the circuit breakers and the relays to the junction block as required.
  3. Position the junction block to the IP carrier.

    4. 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.

  4. Install the accessory wiring junction block screws.

    5. Tighten
    Tighten the screws to 10 N·m (89 lb in).

  5. Install the left IP insulator. Refer to Instrument Panel Insulator Replacement .
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.