In most cases, switching out a broken fuse will fix the problem.Įven if you are not confident that a broken fuse is the cause of the problem, it is always a good idea to check the fuses. With the fuse fitted, you should then switch on your vehicle’s ignition to check if the part that was not working is now fixed. With that fuse taken out, you will then have space to put your new fuse, so all you have to do is put it in the correct space. When you have a new fuse, you will need to remove the old one. Some fuses have 10 volts, others have 12 volts, so you must buy the correct type of fuse for the fuse box. Not only do you have to think about the shape and style of the fuse, you will also have to ensure that you buy a fuse that has the correct amount of voltage.
When you replace the fuse, you must replace it with the correct type of fuse otherwise this could damage the fuse box and your vehicle. Square plastic fuses with two metal prongs.Plastic cylindrical fuses with no cover.Glass fuses with metal ends in a cylindrical shape.The first thing that you will need to do is buy a replacement fuse, which you can usually find in a hardware store, or online if you are happy to wait.īut before you buy any fuse, you must buy the right type of fuse, as there are three main types of car fuse. So once you have used your multimeter and your eyes to identify that the fuse has blown, it is time to replace it. So let’s take a look at how you replace a fuse that has blown. But any resistance higher than this is a good sign that your fuse has blown, and that it will require replacing. With it attached, you will be able to get a resistance reading.Ī fuse that is in good working order will have a resistance reading of close to zero, or perhaps dead on zero. Once you have changed the measurement, you can then attach the multimeter to both sides of the fuse, in the same way, that you did to measure voltage.
You can also measure the fuse’s resistance using the multimeter, all you need to do is change the measurement from voltage to ohms. The other option you have for checking if the fuse has blown is to check the resistance. If you get a 12V reading on one pin, and no reading on the other pin then this is a sign that the fuse has blown. On both pins of the fuse, you should get a reading of 12V. With the ignition of your vehicle on, you can then check the voltage of the fuse. These pins can be found on the upper part of the fuse which is why you can check them before removing the fuses from the box. You should do this before you even remove the fuse from the box, by checking the voltage on both pins of the fuse. To confirm that a car fuse has blown, you will need to use a multimeter. You can, technically, remove a fuse by hand, but it is always safer to use the proper equipment to avoid damaging the fuse box. To be able to check for definite if a car fuse has blown, you will require some tools. If the fuse has blown it will look as if it has melted, because it has, and you will also commonly find that the metal wire inside of the fuse has broken.īut there are some other ways that you can check to see if the fuse has blown if it doesn’t immediately look broken, so let’s take a look at how you do it.
To check if a fuse has blown, you should begin by giving it a visual inspection. So once you find the fuse box, it is best to check all of the fuses to see if they are all in operation or if some of the others have blown too. This is especially common if it is one of the main fuses that blow first. However, you should be aware that it is common for more fuses to blow after one goes. The location of these fuse boxes will also differ depending on the model of car that you own, so to find out where they are it is best to check your vehicle’s manual. Generally speaking, most vans and cars have two fuse boxes, but some makes and models can have up to four different fuse boxes within their design. Fuse Boxes in Vehiclesĭepending on the type of vehicle that you own or drive, the number of fuse boxes that you will find inside of it might differ. So you should identify the cause of the blown fuse before you do anything else. If you replace a blown fuse but don’t fix the route problem of it then this can cause the replacement fuse to blow as well. It can also be caused by an incompatible headlight being fitted, so there are lots of possible causes of fuses blowing.Ī lot of people assume that the first thing that you should do after a fuse blows is replace it, but this isn’t the case. Sometimes it can be something as simple as a metal coin coming into contact with one of the vehicle’s power sockets to cause it to blow. But these aren’t the only things that can cause a fuse to blow.
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