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.

Reconnect the rear wheel steering mode switch (3) electrical connectors.
Install the rear wheel steering mode switch (1) into the dash.
Reinstall the dash trim bezel. Refer to BEZEL REPLACEMENT-INSTRUMENT PANEL (I/P) CLUSTER .

Fig 1: Rear Wheel Steering Mode Switch & Electrical Connectors
Courtesy of GENERAL MOTORS CORP.