Sun Load Sensor
WARNING: This page is about a different car, the 1998 Dodge Intrepid and 1998 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
Sun load sensor is a photo diode, located on top of the instrument panel. Sun load sensor senses level of sunlight entering vehicle. Sun load sensor helps determine optimum mode door and temperature door positions, and blower motor speed.