An ACDelco GM Original Equipment Windshield Wiper and Washer Switch is a GM-recommended replacement for your vehicle’s original component. It activates and adjusts the speed of the windshield wipers, causing them to wipe away rain and other debris from your windshield. This original equipment windshield wiper and washer switch has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.