GM Service Manual Online
For 1990-2009 cars only

Object Number: 1864355  Size: MF

Callout

Component Name

Caution: The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.

Caution: 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.

Preliminary Procedure

Remove the wheelhouse liner in order to access the backside of the headlamp capsule. Refer to Front Wheelhouse Liner Replacement .

1

Headlamp Accessory Bulb Cover

Tip
Rotate the cover a quarter turn counterclockwise and remove.

Disconnect the wire clip securing the starter arc tube to the headlamp capsule assembly.

2

Headlamp Starter/Arc Tube

Caution: Refer to Halogen Bulb Caution in the Preface section.

Procedure

  1. Pull the starter arc tube from the capsule assembly.
  2. Disconnect the electrical connector.
  3. Remove the arc tube from the capsule assembly.

3

Starter Arc Tube Electrical Connector

Tip
Connect the electrical connector prior to installing the starter arc tube back into the headlamp capsule.