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.

IMPORTANT: The ignition must be in the OFF position when connecting the HVAC control module to ensure proper actuator calibration.

Install the HVAC control module into the instrument panel ensuring the tabs are seated into the I/P.
Install the center IP trim panel. Refer to TRIM PANEL REPLACEMENT - INSTRUMENT PANEL (I/ in Instrument Panel, Gages and Console.
Reprogram the control module. Refer to BODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION (IPM) in Body Control System.

Fig 1: Installing HVAC Control Module Into Instrument Panel

Courtesy of GENERAL MOTORS CORP.