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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Power Roof System) >> Repair Instructions >> Sunroof Wiring Harness Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Note the following locations:
    • The position of the wire harness routing
    • The location of the tie-straps that secure the wire harness to the drive cable tube and the sunroof module.
  1. Position the sunshade in the full forward position.
  2. Remove the headliner. Refer to Headliner Replacement in Interior Trim.
  3. Remove the rear shelf. Refer to Trim Panel Replacement - Rear Window Shelf in Interior Trim.
    4. Fig 1: Removing/Installing Sunroof Module Electrical Connector
    GM647217Courtesy of GENERAL MOTORS CORP.
  4. Cut the nylon tie straps on the express module and the drive cable tube.
  5. Disconnect the electrical connectors from the following components:
    • The sunroof control switch
    • The sunroof control module
    • The sunroof actuator
    • The sunroof opening position switch
  6. Remove the tape holding the wire harness to the sunroof module.
  7. Remove the wire harness from the sunroof.
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