Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Connect the electrical connectors (1) to the DIM (2).
Install the Dash Integration Module (DIM) into the bracket.
Install the right closeout/insulator panel. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - RIGHT in Instrument Panel, Gages and Console.
Reprogram the DIM. Refer to BODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION (IPM) .

Fig 1: Removing & Installing Dash Integration Module

Courtesy of GENERAL MOTORS CORP.