GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the hood.
  2. Remove the upper radiator shroud. Refer to Fan Shroud Replacement in Engine Cooling.
  3. If removing the right hand park lamp turn signal bulb, it may be necessary to remove the battery to gain access. Refer to Battery Replacement in Engine Electrical.

  4. Object Number: 1257581  Size: SH
  5. Disconnect the wiring harness connector from the socket (1).
  6. From within the engine compartment, remove the socket (1) from the headlamp assembly (3) by rotating it counterclockwise and then pulling it away from the headlamp assembly (3).
  7. Press the bulb (2) into the socket (1) and rotate counterclockwise to remove.

Installation Procedure


    Object Number: 1257581  Size: SH
  1. Inspect the seal on the bulb socket for damage and correct seating. Replace the seal if necessary.
  2. Install the bulb (2) into the socket (1) by pushing in and turning clockwise.
  3. Install the socket (1) to the headlamp assembly (3) and lock it into place by turning clockwise.
  4. Connect the wiring harness connector to the socket (1).
  5. Install the battery, if removed. Refer to Battery Replacement in Engine Electrical.
  6. Install the upper radiator shroud. Refer to Fan Shroud Replacement in Engine Cooling.
  7. Close the hood.