Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Install the side marker bulb (4) or turn signal/park bulb (3) to the socket.
Wipe the bulb with a clean cloth to ensure the bulb is free of any dirt or oil.
Install the bulb and socket to the headlamp by rotating the bulb and socket clockwise, locking the retaining tabs to the headlamp.
Install the headlamp. Refer to HEADLAMP BULB REPLACEMENT .
Close the hood.

Fig 1: Installing Side Marker Bulb & Turn Signal/Park Bulb To Socket
Courtesy of GENERAL MOTORS CORP.