What should I do if my windshield wipers are not working?
Step 1: Pop the hood and check access to the wiper assembly. Some cars will require removing the wiper arms and on others, the scuttle panels can be wedged open just enough to get the job done. (As per pic below) Step 2: Turn ignition on and set wipers to the off position, turn ignition off. Step 3: Close the hood and remove both wiper arms.
How does the back of the windshield wiper work?
On the back of the drive gear is 3 contacts with a break in it at the home position. When the break lines up, the position of the gear indicates The park position of the wipers, breaks the drive circuit, and thus the motor knows when to come to a stop.
How do you remove the wiper arms from a car?
Remove the windshield wiper arms. Pry up the caps that cover the bolts which hold the wipers in place using a flathead screwdriver. Use a wrench to loosen the bolts, remove them and set them aside somewhere safe, then slide the wiper arms off the bolts that they sit on below the windshield.
What are the components of a windshield wiper?
There are three major components to a wiper motor: · Motor · Rotary to linear motion converter mechanism · Parking switch The mechanism to convert rotary motion to linear motion is very straight forward, and its functionality is apparent from a visual inspection of a disassembled motor assembly.
How are the wipers attached to the windshield?
The wiper assembly is like a chassis for the wiper system, it’s bolted to the bulk head just below the windshield. The motor, wiper drive mechanism and wiper arms are all attached to it. When activated a wiper motor rotates continuously and more sophisticated motors rotate left to right.
What happens when the wiper switch is in high position?
When the wiper/washer switch is in the HIGH position the accessory voltage to the wiper/washer switch is closed to the high speed signal circuit. The accessory voltage on the high speed signal circuit causes the wiper motor module to close the wiper motor accessory voltage supply circuit to the wiper motor high speed terminal.
What kind of voltage does a windshield wiper switch use?
When the wiper/washer switch is in the LOW position voltage is supplied through a 24K ohm resistor within the switch to the windshield wiper switch signal 2 circuit, and accessory voltage is supplied to the windshield wiper switch signal 1 circuit.
Why are my windshield wiper blades not working?
The power to the system is regulated by a fuse that is wired directly to the wiper motor and the switch. When the switch is engaged, the motor rotates, and a network of linked arms, connected by several pivot points, converts this rotation into the back-and-forth motion of the wiper blades.
