GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 786926  Size: SH
  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Remove the sunroof control module. Refer to Power Sunroof Express Module Replacement .

  3. Object Number: 786927  Size: SH
  4. Remove the tape (5) securing the electrical harness to the sunroof actuator motor (4).
  5. Disconnect the electrical connectors (1,3) at the sunroof actuator motor.
  6. Cut the tie straps securing the electrical harness to the drive cable tube.
  7. Notice: Note the correct routing of the electrical wiring. Failure to reinstall the wiring properly could result in damage to the wiring.

  8. Disconnect the electrical harness from the rear sunroof drain hose retainers.
  9. Disconnect the electrical connector at the main body electrical harness at the rear edge of the rear shelf panel.
  10. Remove the electrical harness from the vehicle.

Installation Procedure

  1. Connect the electrical connector to the main body electrical harness at the rear shelf panel.

  2. Object Number: 786927  Size: SH
  3. Secure the electrical harness to the clips on the rear drain hose.
  4. Connect the electrical connectors (1,3) to the sunroof actuator motor (4).
  5. Secure the harness to the sunroof actuator motor with new electrical tape (5).

  6. Object Number: 786926  Size: SH
  7. Connect the electrical connectors to the sunroof control module.
  8. Install the control module to the sunroof module assembly.
  9. Ensure the locking tabs are secure.
  10. Secure the electrical harness to the drive cable tube with 2 new tie straps.
  11. Verify the operation of the sunroof.
  12. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.