LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2005 >> Century Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Body Control System) >> Repair Instructions >> Body Control Module Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

WARNING: This page is about a different car, the 2004 Buick Regal and 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Push the top of the BCM up into the mounting bracket in order to install the BCM. Then, while holding the BCM up, engage the bottom of the BCM into the mounting bracket slot.
  2. Connect the BCM electrical connectors.
    Fig 1: Body Control Module & Electrical Connectors
    GM642120Courtesy of GENERAL MOTORS CORP.
  3. Install the left instrument panel insulator. Refer to Closeout/Insulator Panel Replacement - Left in Instrument Panel, Gages and Console.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  5. Set up the new BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration .
scientia non olet · About LEMON Manuals