GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Corvette 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Instrument Panel Electrical Center or Junction Block Replacement

Removal Procedure

    Object Number: 820741 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the right door sill plate. Refer to Door Sill Plate Replacement in Interior Trim.
  3. Remove the floor kick-up pad on the passenger side. Refer to Front Floor Kick-Up Panel Replacement in Interior Trim.
  4. Remove the retaining bolt which secures the multi-use bracket to the electrical wiring junction block.

    5. Object Number: 820742 Size: SH
  5. Disengage the retaining clip from the outboard side, twist the electrical wiring block, and pull outward.
  6. Remove the battery cable lead.
  7. Disconnect 3 64-way block connectors and 3 I/P wiring harness connectors.
  8. Transfer all fuses and relays as required.

Installation Procedure

    Object Number: 820743 Size: SH
  1. Position the electrical wiring junction block and connect 3 I/P wiring harness connectors and 3 64-way block connectors.
  2. Install the electrical wiring junction block to the multi-use bracket with the retaining bolt.
  3. Install the battery cable lead.
  4. Install the floor kick-up pad on the passenger side. Refer to Front Floor Kick-Up Panel Replacement in Interior Trim.
  5. Install the right door sill plate. Refer to Door Sill Plate Replacement in Interior Trim.
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.