Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the radio. Refer to RADIO REPLACEMENT (NON-DIGITAL RADIO) or RADIO REPLACEMENT (DIGITAL RADIO) .
Remove the heater control assembly.
Disconnect the mode cable from the heater/ventilation module.
Remove the mode cable from the IP carrier.

Fig 1: Removing Mode Cable From IP Carrier

Courtesy of GENERAL MOTORS CORP.