Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If a NEW control module is being installed, program the new module. Refer to Transfer Case Control Module Reprogramming .
Install the shift control module to the bracket.

Fig 1: Installing Shift Control Module

Courtesy of GENERAL MOTORS CORP.

Connect the shift control module electrical connectors.

Fig 2: Connecting Shift Control Module Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Start the engine and test the automatic transfer case system for proper shift operation.