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The windshield wiper relay on a 2004 Ford F-550 is typically located in the fuse box under the hood. The fuse box is usually located near the front of the vehicle, on the driver's side. To find the windshield wiper relay, you will need to refer to your vehicle's owner's manual or a wiring diagram for the vehicle. The owner's manual should have a diagram of the fuse box that will show you the location of the windshield wiper relay. Alternatively, you can search online for a wiring diagram for your vehicle.
Once you have located the fuse box, you may need to remove a cover to access the fuses and relays. Look for a fuse or relay labeled "wiper" or "wiper relay" to find the windshield wiper relay. If you are having trouble finding the windshield wiper relay, you may want to consider consulting a mechanic or taking your vehicle to a dealership for assistance.
Do you know what a wiring diagram is ? A wiring diagram for your vehicles windshield wipers electrical circuit would show all components involved . You would need a wiring diagram for testing ,so you know which wires too test . It would show the fuse location - amperage etc.... Which of these is your vehicle - Notchback or hatchback or station wagon .
The fuse would be marked WPR fuse # 9 25 amp. located in the IP fuse panel . IP - instrument panel fuse box . It's location is
Fuse Block - I/P
Behind the left side of the I/P access panel
Windshield Wiper System
The windshield wiper system consists of a wiper motor, a linkage, a wiper arm and a blade, and a wiper/washer switch. The windshield wiper circuit incorporates a self parking device which consists of a worm gear and a cam plate in order to keep the circuit engaged temporarily when the switch is turned off. The wiper system is driven by a permanent magnet-type motor. The windshield wiper motor is mounted on the dash panel and is directly connected to the windshield wiper linkage.
The windshield wiper motor has 2 speeds, LO and HI, and also has intermittent wiper capability. The wiper switch is an integral part of the wiper/washer switch. Windshield wiper operation is actuated through the lever on the right side of the steering column.
The wiper fuse for a 2015 Mitsubishi Mirage is located in the passenger compartment fuse box. The fuse box is located under the instrument panel on the left side, for left-hand drive cars. And on the right, for right-hand drive cars.
The wiper fuse is labeled "WIPER" or "WINDSHIELD WIPER". It is a 15 amp fuse.
To replace the wiper fuse, you will need a small flathead screwdriver.
Open the fuse box cover.
Locate the wiper fuse.
Use the screwdriver to pry the wiper fuse out of the fuse socket.
Install the new wiper fuse into the fuse socket.
Close the fuse box cover.
If your windshield wipers are not working, it is possible that the wiper fuse is blown. You can check the wiper fuse by looking at it. If the metal strip in the center of the fuse is broken, then the fuse is blown and needs to be replaced.
You can also check the wiper fuse by using a multimeter. Set the multimeter to the "ohms" setting. Touch the positive lead of the multimeter to the metal strip on one end of the fuse. Touch the negative lead of the multimeter to the metal strip on the other end of the fuse. If the multimeter reads "0 ohms", then the fuse is good. If the multimeter reads "OL", then the fuse is blown and needs to be replaced.
Once you have replaced the wiper fuse, your windshield wipers should start working again.
There are two relay's in the under hood fuse / relay box . Wiper relay an wiper relay 2 . Maybe one is bad . also check fuse #14 25 amp. Wiper fuse.Plus the BCM - body control module has a hand in making the wipers work . Are you familiar with automotive electronic control modules ?
The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper micro relay
• Wiper 2 relay
• Wiper diode
• Windshield wiper motor
• Windshield washer pump
• Windshield washer nozzles
• Windshield washer solvent container
• Windshield wiper arm and blade assemblies
• Windshield wiper transmission
• WIP/WASH 10A fuse
• WIPER 25A fuse
Wiper/Washer System Description
The body control module (BCM) controls wiper motor low speed operation. The washer pump and high speed operation are controlled directly by the wiper/washer switch. The windshield wiper/washer switch supplies voltage on the signal circuits to the BCM for windshield wiper/washer operation. When WASH, MIST, DELAY, LOW, or HIGH is detected, the BCM energizes the wiper micro relay by suppling voltage to the relay coil. This allows battery voltage from the WIPER fuse to flow through the relay switched input then through the contacts and out the relay switched output to the wiper 2 relay switch contacts. Since the wiper 2 relay switch contacts are normally closed to the low speed circuit of the windshield wiper motor, the motor will operate at low speed.
Some cars have these included with accessories. If your other accessories work, then your windshield wiper motor requires replacement. Otherwise, read the inside cover of the fuse box the symbol for windshield wipers looks like a windscreen with two wiper blades on it.
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