GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Impala 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Wiring Harness Replacement

Removal Procedure

    Important: Note the following locations:

       • The position of the wire harness routing
       • The location of the tie-straps that secure the harness to the drive cable tubes and the sunroof express module

  1. Position the sunshade in the full forward position.
  2. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  3. Remove the rear shelf. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.

    4. Object Number: 791524 Size: SH
  4. Cut the nylon tie straps on the express module and the drive cable tube.
  5. Disconnect the electrical connector from the following components:
    6. • The sunroof express module
    • The sunroof actuator
    • The Position Encoding Switch
  6. Remove the tape holding the wire harness to the module.

    7. Object Number: 791526 Size: SH
  7. Remove the wire harness from the sunroof.

Installation Procedure

    Object Number: 791526 Size: SH
  1. Position the wire harness to the sunroof.
  2. Connect the electrical connectors to the following components:
    3. • The sunroof express module
    • The sunroof actuator
    • The Position Encoding Switch
  3. Install new nylon tie straps to the express module and the drive cable tubes.
  4. Install new tape to hold the wire harness to the module.
  5. Check for proper operation of the sunroof. Refer to Sunroof Description and Operation .
  6. Install the rear shelf. Refer to Rear Window Shelf Trim Panel Replacement in Interior Trim.
  7. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.