GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: You must perform the new body control module (BCM) setup when replacing the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration .

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the console accessory wiring junction block. Refer to Console Electrical Center or Junction Block Replacement in Wiring Systems.

  3. Object Number: 627744  Size: SH
  4. Rotate the BCM retaining lever (1) to release the BCM from the console accessory wiring junction block.
  5. Remove the BCM (2) from the console accessory wiring junction block.

Installation Procedure


    Object Number: 627743  Size: SH

    Important:  Align the BCM to the console accessory wiring junction block.

  1. Install the BCM (1) onto the console accessory wiring junction block.
  2. Rotate the BCM retaining lever (2) to secure the BCM to the console accessory wiring junction block.
  3. Install the console accessory wiring junction block. Refer to Console Electrical Center or Junction Block Replacement in Wiring Systems.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Perform the new BCM setup. Refer to Body Control Module (BCM) Programming/RPO Configuration .