GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 651979  Size: SH
  1. Open the rear compartment.
  2. Depress the retaining tab on the rear of the high-mounted stop lamp vent and lower the vent.

  3. Object Number: 323536  Size: SH
  4. Rotate the high-mounted stop lamp socket(s) counterclockwise to release from the high-mounted stop lamp.
  5. Remove the bulb(s) from the socket(s).

Installation Procedure


    Object Number: 323536  Size: SH
  1. Install the bulb(s) to the high-mounted stop lamp socket(s).
  2. Install the lamp socket(s) to the high-mounted stop lamp, then rotate clockwise to secure.

  3. Object Number: 651982  Size: SH
  4. Position the high-mounted stop lamp vent to the rear window panel.

  5. Object Number: 651979  Size: SH
  6. Install the high-mounted stop lamp vent to the underside of the rear window panel pressing into place until fully seated.
  7. Close the rear compartment.