GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Corvette 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 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 .
  2. Remove the right door sill plate. Refer to Door Sill Plate Replacement .
  3. Fold the passenger side carpet back to expose the multi-use bracket.
  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 three 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 three 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 passenger side carpet to its original position.
  5. Install the right door sill plate. Refer to Door Sill Plate Replacement .
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .