GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Bonneville 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Sunload and Twilight Sentinel Sensor Replacement

Removal Procedure

    Object Number: 450511 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: 450511 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 .