GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Warning: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

   • Never open the high intensity discharge system ballast or the arc tube assembly starter.
   • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

  1. Open the hood.

  2. Object Number: 915128  Size: SH
  3. Remove the connector position assurance (CPA) (2) from the electrical connector (1) to the headlamp wiring harness.
  4. Disconnect the electrical connector (1) from the headlamp wiring harness.
  5. Remove the wheelhouse panel. Refer to Front Wheelhouse Liner Replacement.

  6. Object Number: 915127  Size: SH
  7. Remove the nuts (2) attaching the headlamp assembly (1) to the front wheelhouse (3).
  8. Remove the headlamp (1) from the wheelhouse (3).

Installation Procedure


    Object Number: 915129  Size: SH

    Note: Properly install the rubber grommet (1) to the headlamp wiring harness and seal the grommet to the wheelhouse in order to avoid chafing of the wiring harness.

  1. Install the headlamp wiring harness to the wheelhouse.

  2. Object Number: 915127  Size: SH
  3. Position the headlamp (1) to the wheelhouse (3).
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the nuts (2) attaching the headlamp (1) to the front wheelhouse (3) and tighten to 6 N·m (53 lb in).
  6. Connect the electrical connector (1) to the headlamp wiring harness.
  7. Install the CPA (2) to the headlamp electrical connector (1).
  8. Install the wheelhouse panel. Refer to Front Wheelhouse Liner Replacement.
  9. Inspect the headlamp for proper operation and aim if required. Refer to Headlamp Aiming.
  10. Close the hood.