EdupradaThe windshield wiper fuse is the electrical wire that powers the car’s windshield wiper motor. Like all other fuses, it is located within the car’s fuse box which is located in different locations depending on the vehicle model.
If the windshield wipers malfunction, it is possible to test the fuse to detect an electrical problem.
What is the windshield wiper fuse for?
The windshield wiper fuse , like all other fuses in the car, provides electrical power to the windshield wiper motor . It is part of the car’s electronic system and is located in the fuse box .
The windshield wiper fuse also plays a role in passenger safety since it is designed to burn in the event of a car electrical failure . Indeed, the higher the electrical intensity, the more the temperature increases which can lead to surges or fires. So, the windshield wiper fuse is made to melt at a specific temperature in order to act as a short circuit .
Where is the windshield wiper fuse located?
As we explained, the windshield wiper fuse is located in the fuse box like all other fuses in the vehicle. However, you should know that the location of this box varies depending on the model and make of the car. So, we can find the fuse box:
- In the engine compartment ;
- In the passenger compartment just below the steering column .
To find out where the fuse box is located, you can refer to the vehicle’s maintenance booklet . Then, to identify the fuse dedicated to the windshield wipers, you must first look for the explanatory diagram of the fuse box. Then, simply find the symbol corresponding to the windshield wipers and look at the fuse number.
How to test a windshield wiper fuse?
Testing a windshield wiper fuse is the most reliable and quick way to know if it is broken or not. To do this, you need to locate the fuse box and bring a multimeter .
Necessary material :
- A multimeter;
- Protective gloves.
Step 1: Take out the windshield wiper fuse
Access the fuse box then remove the windshield wiper fuse from its location. Check the appearance of the fuse, paying attention to the conductive tab . If the latter is melted, this means that the fuse has burned and that it no longer works.
Step 2: Set the multimeter
If the fuse appears to be in good condition, use the multimeter to test its electrical voltage . Set the multimeter to the ohmmeter position then connect the red wire and the black wire. Finally, note the value that appears.
Step 3: Test the Wiper Fuse
Connect the multimeter leads to either side of the fuse and look at the value that appears at that time. If the value is the same as before, this means that the fuse is in good condition.
How to change a windshield wiper fuse?
Changing the windshield wiper fuse is a quick and simple procedure. In fact, all you need to do is get a new fuse of the same rating and put it in place of the defective fuse. Once again, do not hesitate to refer to the vehicle’s maintenance booklet to find the location of the windshield wiper fuse.
To avoid electrocuting yourself, remember to disconnect the car battery before working on the windshield wiper fuse. To make the operation easier, you can also use long-nose pliers .
How much does a windshield wiper fuse cost?
Changing the windshield wiper fuse costs almost nothing since you can do it without going to a mechanic. You simply need to buy a set of fuses in a specialized store, in a supermarket or on the internet. The price of this item is 4€ or 5€ depending on where you buy it.
To deal with unexpected breakdowns, it is recommended to always have several fuses in your vehicle. Moreover, new fuses can be stored on the back of the access door to the fuse box.
The windshield wiper fuse is essential for their proper operation. In fact, it provides electrical power to the windshield wiper motor , but can also burn in the event of an overvoltage to protect the vehicle’s occupants. If your fuse seems defective,