GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 428501  Size: SH
  1. Remove the defroster grille. Refer to Defroster Grille Replacement .
  2. Remove the sensor from the defroster grill by twisting 1/4 turn.
  3. Disconnect the electrical connector from the sunload sensor.

Installation Procedure


    Object Number: 428501  Size: SH
  1. Connect the electrical connector to the sunload sensor.
  2. Install the sensor to the defroster grill by twisting 1/4 turn.
  3. Install the defroster grille. Refer to Defroster Grille Replacement .