GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 64706  Size: SH
  1. Release and lift the windshield defroster grille from the I/P upper trim pad.
  2. 1.1. Insert two small flat bladed tools, close to each other between the rear edge of the defroster grille and the upper trim pad near one corner of the grille.
    1.2. Begin to CAREFULLY lift the grille up from the trim pad.
    1.3. Work the flat bladed tools gradually to the other corner of the grille while continuing to CAREFULLY pry the grille up.
  3. Lift the grille to access the sun load sensor, and/or DRL sensor, if equipped.
  4. Rotate to release the DRL sensor from the grille, if equipped.

  5. Object Number: 82164  Size: SH
  6. Rotate to release the sun load sensor from the grille.
  7. Disconnect the sun load sensor electrical connector.
  8. Remove the sun load sensor from the vehicle.

Installation Procedure

  1. Install the sun load sensor to the vehicle.

  2. Object Number: 186412  Size: SH
  3. Connect the sun load sensor electrical connector.
  4. Rotate to secure the sun load sensor to the defroster grille.

  5. Object Number: 64706  Size: SH
  6. Rotate to secure the DRL sensor to the defroster grille, if equipped.
  7. Position the tabs along the front edge of the defroster grille down into the slots in the upper trim pad.
  8. Lower the rear edge of the grille into position, then CAREFULLY press the rear tabs into place.