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 bulb to the fog lamp assembly by inserting the bulb and twisting the bulb clockwise.
Install the electrical connector.

Fig 1: Installing Front Fog Lamp Bulb Electrical Connector (Old Style)
Courtesy of GENERAL MOTORS CORP.