2009 Chevrolet Trailblazer Third Brake Light

First, you need to install the high-mount stop lamp to the liftgate window reveal molding, ensuring the center retaining tab is fully seated, and install the 2 screws that retain the high-mount stop lamp to the liftgate window reveal molding. Then, please close the liftgate window, open the liftgate, install the grommet to the body and connect the high-mount stop lamp electrical connector. Finally, you should attach the rear portion of the headliner to the roof panel, and position the liftgate opening weatherstrip over the headliner.

First, you need to open the liftgate and lower the rear portion of the headliner by releasing the 2 headliner retaining pins. Then, please disconnect the high-mount stop lamp electrical connector, remove the grommet from the body, close the liftgate and open the liftgate window. Finally, you should remove the 2 screws that retain the high-mount stop lamp to the liftgate window reveal molding and remove the high-mount stop lamp from the vehicle.