High Intensity Discharge Headlamp Ballast Replacement (Base)

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: High Intensity Discharge Headlamp Ballast Replacement (Base)

Courtesy of GENERAL MOTORS CORP.

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.