Installation Procedure
- Install the high mount stop lamp to the vehicle.
- Install the body wiring harness to the dome lamp/high mount stop lamp.
- Install the dome lamp base to the vehicle.NOTE: Refer to FASTENER NOTICE in GM VEHICLES CAUTIONS & NOTICES article.
- Install the screws that retain the dome lamp base to the high mount stop lamp from inside the vehicle.
Tighten
Tighten the screws to 2.5 N.m (22 lb in).
- Install the dome lamp bulb.
- Squeeze the lens in order to install the dome lamp lens.
- Connect the battery negative cable.