Windshield wipers operate in several modes, 2 to 4 wiper speeds and the intermittent operations too. Windshield wiper functions on a motor, which has a chain of linkages and connecting arms. The motor is located by the heater wiper motor tray right in front of the car’s windshield. The mechanism behind the wipers is the wiper motor, which provides the power the wipers need. A wiper motor is the main gear which is responsible for the function of wiper mechanism. Connected to the motor are the linkage and worm gears which perform the back and forth motion. Wiper Motor Only Will be inspected before shipping Wiper arm Wiper blade Wiring harness