GM Service Manual Online
For 1990-2009 cars only

Object Number: 1200962  Size: B3
  1. Turn Signal Lamp

  2. Taillamp/Stoplamp

  3. Back-up Lamp

To replace one of these bulbs, do the following:

  1. Open the trunk. See Trunk for more information.

  2. Object Number: 809866  Size: A3
  3. Unscrew the fastener located on the inside of the trunk at the rear of the vehicle.
  4. Pull back the trunk trim.

  5. Object Number: 809878  Size: B3
  6. Remove the three plastic wing nuts.

  7. Object Number: 809868  Size: B3
  8. Pull out the taillamp assembly to expose the backplate.

  9. Object Number: 809869  Size: B3
  10. Remove the backplate by pulling up on the two upper and two lower tabs.
  11. Pull the old bulb to remove it from the socket.
  12. Replace the bulb.
  13. Reverse the steps to reassemble the backplate and attach the taillamp assembly to the vehicle. Make sure that all four tabs of the backplate are securely fastened to the taillamp assembly before reinstalling it on the vehicle.
  14. When reinstalling the taillamp assembly, align the assembly so that the trunk lid does not contact it.

  15. Close the trunk.