For 1990-2009 cars

## High Intensity Discharge Headlamp Ballast Replacement Acadia TVD

Callout | Component Name
--- | ---
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 wheelhouse liner. Refer to Front Wheelhouse Front Liner Replacement.

1 | Headlamp Ballast Assembly Screws (Qty: 2) Caution: Refer to Fastener Caution in the Preface section. Tighten 3 N·m (27 lb in)
2 | Headlamp Ballast Assembly

#### Procedure

1. Disconnect the electrical connector.
2. Slide the ballast rearward from the headlamp composite assembly.

## High Intensity Discharge Headlamp Ballast Replacement Enclave TVC TSH

Callout | Component Name
--- | ---
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 wheelhouse liner. Refer to Front Wheelhouse Front Liner Replacement.

1 | Headlamp Ballast Assembly Screw (Qty: 2) Caution: Refer to Fastener Caution in the Preface section. Tighten 3 N·m (27 lb in)
2 | Headlamp Ballast Assembly

#### Procedure

1. Disconnect the electrical connector.
2. Slide the ballast rearward from the headlamp composite assembly.

## High Intensity Discharge Headlamp Ballast Replacement OUTLOOK

Callout | Component Name
--- | ---

#### Preliminary Procedure

Remove the headlamp capsule. Refer to Headlamp Capsule Replacement.

1 | Headlamp Capsule Ballast Screw (Qty: 3) 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.

Caution: Refer to Fastener Caution in the Preface section.

Tighten
3 N·m (27 lb in)

2 | Headlamp Ballast