ACDelco 84466322 Windshield Moisture Ambient Light Humidity Sensor

The ACDelco 84466322 Genuine GM Windshield Sensor is a multi-function sensor assembly that monitors environmental conditions to enhance vehicle comfort and safety. Mounted on the interior windshield, this OE sensor integrates moisture detection, ambient light sensing, and humidity monitoring in a single compact unit.

Key Features:

• Genuine GM part ensuring exact fit and OE performance
• Integrated moisture sensor automatically activates rain-sensing wipers
• Ambient light sensor controls automatic headlamp and interior lighting
• Humidity monitoring helps manage climate control and defog systems
• Direct replacement for worn or failed original sensor
• Factory-calibrated for accurate environmental detection

This sensor assembly works with the vehicle's body control module to provide automatic wiper activation during precipitation, optimize headlamp operation based on exterior lighting conditions, and assist climate control systems in maintaining optimal cabin comfort. Essential for maintaining proper function of rain-sensing wipers and automatic lighting systems on equipped GM vehicles.