GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 621191  Size: SH
  1. Open the liftgate.
  2. Remove the screws from the tail lamp.

  3. Object Number: 621194  Size: SH
  4. Pull the tail lamp rearward to disengage it from the ball stud retainers.

  5. Object Number: 621195  Size: SH
  6. Disconnect the electrical connector from the tail lamp wiring harness.
  7. Remove the tail lamp and backup lamp sockets, depressing the locking tab and rotating counterclockwise.
  8. Remove the side marker lamp socket from the tail lamp by rotating counterclockwise.
  9. Remove the bulbs from the tail lamp, backup lamp and/or side marker lamp sockets.

Installation Procedure


    Object Number: 621194  Size: SH
  1. Install the bulbs to the tail lamp, backup lamp and/or side marker lamp sockets.
  2. Install the tail lamp and/or backup lamp sockets to the tail lamp, rotating clockwise until the locking tab is fully seated.
  3. Install the side marker lamp socket to the tail lamp, rotating clockwise until fully seated.
  4. Connect the electrical connector to the tail lamp wiring harness.

  5. Object Number: 621195  Size: SH
  6. Position the tail lamp ball stud retainers to the rear body panel.
  7. Press the tail lamp to the rear body panel until fully seated.
  8. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 621191  Size: SH
  9. Install the tail lamp screws to the tail lamp.
  10. Tighten
    Tighten the taillamp screws to 2 N·m (18 lb in).

  11. Close the liftgate.