GM Service Manual Online
For 1990-2009 cars only
  1. Follow steps 1 through 9 of the Headlamp bulb replacement procedure.
  2. Rotate the bulb to be replaced counterclockwise to remove it from the headlamp housing.
  3. Pull the bulb out of the bulb socket assembly.

  4. Object Number: 1236068  Size: B3
  5. Push the new bulb into the bulb socket assembly.
  6. Insert the bulb assembly into the headlamp housing.
  7. Rotate the bulb assembly clockwise until seated.