GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: The windshield outside moisture sensor coupler is permanently mounted to the windshield and is not serviceable. Damage to the windshield or the windshield outside moisture sensor coupler will occur, if removed.


    Object Number: 746989  Size: SH
  1. Remove the trim cover from the windshield outside moisture sensor.

  2. Object Number: 746991  Size: SH
  3. Release the windshield outside moisture sensor coupler retaining clips.
  4. Remove the windshield outside moisture sensor from the windshield coupler.
  5. Disconnect the windshield outside moisture sensor electrical connector.

Installation Procedure


    Object Number: 746991  Size: SH
  1. Connect the windshield outside moisture sensor electrical connector.
  2. Position the windshield outside moisture sensor to the windshield coupler.
  3. Fasten the windshield coupler retainer clips.

  4. Object Number: 746989  Size: SH
  5. Position the trim cover to the windshield outside moisture sensor.
  6. Press the trim cover inward to secure the trim cover to the windshield outside moisture sensor.