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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 408 (Lighting System) >> Repair Instructions >> High Intensity Discharge Headlamp Ballast Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the ballast to the headlamp.
    2. Fig 1: View Of CPA, Electrical Connector & Screws
    GM920109Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  2. Install the screws (3) attaching the ballast to the headlamp.

    Tighten:  Tighten the screws to 2 N.m (18 lb in).

  3. Connect the electrical connector (1) to the ballast.
  4. Install the CPA (2) to the ballast electrical connector (1).
    5. Fig 2: View Of Arc Tube & Starter Assembly Electrical Connector
    GM920087Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure the rubber grommet attached to the ballast cable is properly installed and sealed to the arc tube and starter cover, in order to avoid water intrusion in the headlamp.
  5. Install the ballast cable to the arc tube and starter cover.
  6. Connect the arc tube and starter electrical connector (1).
    7. Fig 3: View Of Arc Tube & Starter Cover Screws
    GM919082Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure the arc tube and starter cover are properly installed and sealed to the headlamp in order to avoid water intrusion in the headlamp assembly.
  7. Install the arc tube and starter cover.
  8. Install the screws (1) attaching the arc tube and starter cover to the headlamp.

    Tighten:  Tighten the screws to 2 N.m (18 lb in).

  9. Install the headlamp. Refer to Headlamp Replacement .
  10. Close the hood.
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