GM Service Manual Online
For 1990-2009 cars only

To replace a stoplamp, taillamp/turn signal bulb:

  1. Remove the screw from the top of the lamp assembly.

  2. Object Number: 1826271  Size: B4
  3. Tilt the lamp assembly toward you.
  4. Turn the bulb socket one-quarter turn counterclockwise and pull it out.
  5. Pull the bulb straight out to remove it from the socket.
  6. Push the new bulb in the bulb socket until it snaps into place.
  7. Reinstall the lamp assembly by first lining up the tabs on the bottom of the lamp assembly with the tabs in the vehicle, then slide it in.
  8. Replace the screw at the top of the lamp assembly.