GM Service Manual Online
For 1990-2009 cars only

High Intensity Discharge Headlamp Ballast Replacement Base


Object Number: 1963024  Size: SF

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 headlamp capsule. Refer to Headlamp Capsule Replacement.

1

Ballast Assembly Screw (Qty: 3)

Tip
Hand tighten the screws only, no torque required.

2

Ballast Assembly

Tip
Remove the ballast assembly and inspect the sealing gasket prior to installing the new ballast assembly.

High Intensity Discharge Headlamp Ballast Replacement European


Object Number: 1963024  Size: SF

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 headlamp capsule. Refer to Headlamp Capsule Replacement.

1

Ballast Assembly Screw (Qty: 3)

Hand tighten the screws only, no torque required.

2

Ballast Assembly

Tip
Remove the ballast assembly and inspect the sealing gasket prior to installing the new ballast assembly.