Body Computer Module (BCM): Removal

1. Disconnect negative battery cable.
2. Remove combo panel. See 1990 INSTRUMENT PANELS -- ALLANTE1991-92 INSTRUMENT PANELS -- ALLANTE article in ACCESSORIES & EQUIPMENT.
3. Remove retaining screw and pull BCM and mounting bracket out of cavity. See Fig 1 .
4. Disconnect electrical connectors.
5. Remove two nuts securing BCM to mounting bracket and mounting bracket from BCM.
6. Remove bushings from bottom of BCM and BCM from vehicle.

Fig 1: Removing Body Computer Module

Courtesy of GENERAL MOTORS CORP.