GM Service Manual Online
For 1990-2009 cars only

To replace a taillamp or turn signal bulb, do the following:

  1. Open the liftgate. See Liftgate/Liftglass for more information.

  2. Object Number: 1244191  Size: A3

    Remove the two screws from the taillamp assembly.

  3. Pull the taillamp assembly away from the vehicle.

  4. Object Number: 807771  Size: B3
  5. Unclip the wiring harness (A) and remove the three socket retaining screws (B).
  6. Remove the socket plate.
  7. Holding the socket, pull the old bulb to release it from the socket.
  8. Push the new bulb into the socket until it clicks.
  9. Reinstall the socket plate and tighten the three screws.
  10. Reconnect the wiring harness.
  11. Reinstall the taillamp assembly by lining up the locator pins with the retainers in the vehicle's body.
  12. Reinstall the two screws and tighten.