Installation 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.

Install the blower motor control processor (2) to the HVAC module (1).
NOTE: Refer to FASTENER NOTICE .
Install the blower motor control processor retaining screws.
Tighten

Tighten the screws to 1.6 N.m (14 lb in).
Connect the electrical connector (4) to the blower motor control processor (2).

Fig 1: Removing Electrical Connector, Removing Blower Motor Control Processor, HVAC Module & Screws
Courtesy of GENERAL MOTORS CORP.
Connect the electrical connector at the blower motor.
If equipped, install the sound insulator panel. Refer to INSULATOR REPLACEMENT -- INSTRUMENT PANEL (I/P) .

Fig 2: Connecting Electrical Connector At Blower Motor
Courtesy of GENERAL MOTORS CORP.