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.

Connect the electrical connector.
Install the high mounted stop lamp to the vehicle.

Fig 1: Installing High Mounted Stop Lamp

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the high mounted stop lamp screws.
Tighten: Tighten the high mounted stop lamp screws to 2 N.m (17 lb in).
Inspect the operation.