GM Service Manual Online
For 1990-2009 cars only

Object Number: 2101089  Size: G1
  1. Sidemarker Lamp

  2. Taillamp

To replace one of these bulbs:

  1. Open the liftgate. See Liftgateor Power Liftgate.
  2. Remove the convenience net, if the vehicle has one.

  3. Object Number: 2101095  Size: G1
  4. Remove the two taillamp nut covers.

  5. Object Number: 2101097  Size: G1
  6. Remove the two nuts holding the taillamp assembly in place.
  7. Pull out the taillamp assembly.
  8. Turn the bulb socket counterclockwise and pull it straight out to remove it from the taillamp assembly.
  9. Pull the old bulb straight out of the bulb socket.
  10. Push the new bulb straight into the bulb socket until it connects.
  11. Push the taillamp assembly back into its original location.
  12. When reinstalling the taillamp assembly, make sure the pin on the taillamp assembly lines up and is inserted correctly into the opening of the vehicle.

  13. Reinstall the two nuts that hold the taillamp assembly in place.
  14. Reinstall the two taillamp nut covers.