Installation Procedure
- Connect the electrical connector and push the connector through the hole in the body in order to install the electrical connector.
- Insert the rubber grommet into the hole in order to ensure that the hole is properly seated.
- Install the high mount stop lamp to the vehicle.NOTE: Refer to FASTENER NOTICE in GM VEHICLES CAUTIONS & NOTICES article.
- Install the screws that retain the high mount stop lamp to the endgate window.
Tighten
Tighten the high mount stop lamp screws to 2.5 N.m (22 lb in).