GM Service Manual Online
For 1990-2009 cars only

To replace a front turn signal or parking lamp bulb:

  1. Open the hood. See Hood Release for more information.

  2. Object Number: 1506492  Size: B3
  3. Remove the three bolts to remove the headlamp assembly.
  4. Disconnect the wiring harness connector from the rear of the bulb.

  5. Object Number: 1770279  Size: B3
  6. Turn the front turn signal bulb socket counterclockwise.
  7. Pull the front turn signal bulb socket out of the lamp housing.
  8. Press the bulb inward and turn it counterclockwise to remove it from the bulb socket.
  9. Install the new bulb into the socket by pressing it in and turning it clockwise.
  10. Install the socket into the lamp housing by turning it clockwise.
  11. Reconnect the wiring harness connector at the rear of the bulb.

  12. Object Number: 1506492  Size: B3
  13. Reinstall the headlamp assembly using the three bolts.