High Intensity Discharge Headlamp Starter/Arc Tube Replacement (Enclave TVC TSH)

Fig 1: Identifying High Intensity Discharge Headlamp Starter/Arc Tube (Enclave TVC TSH)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
WARNING: 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. 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. Preliminary Procedure Remove the headlamp assembly. Refer to Headlamp Capsule Replacement (Acadia TVD) , Headlamp Capsule Replacement (Enclave TVC TSH) .
1	Headlamp Bulb and Ballast Locking Ring Procedure Shown in the locked position, using your 2 fingers, rotate the locking ring counter-clockwise to unlock the bulb and ballast.
2	Headlamp Bulb and Ballast Locking Ring Procedure Position and secure the electrical wire harness connector to the headlamp bulb and ballast. Position and secure the headlamp ballast and bulb assembly to the headlamp. Rotate the locking ring in a clockwise position in order to secure the ballast and bulb assembly to the headlamp capsule.

Callout

Component Name

WARNING:

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.

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.

Preliminary Procedure Remove the headlamp assembly. Refer to Headlamp Capsule Replacement (Acadia TVD) , Headlamp Capsule Replacement (Enclave TVC TSH) .

Headlamp Bulb and Ballast Locking Ring
Procedure
Shown in the locked position, using your 2 fingers, rotate the locking ring counter-clockwise to unlock the bulb and ballast.

Headlamp Bulb and Ballast Locking Ring

Procedure

Position and secure the electrical wire harness connector to the headlamp bulb and ballast.
Position and secure the headlamp ballast and bulb assembly to the headlamp.
Rotate the locking ring in a clockwise position in order to secure the ballast and bulb assembly to the headlamp capsule.