What Does A Blown Fuse Look Like In A Car

The most common fuse to burn out in a car is the 12v power outlet also known as the cigarette lighter.

The largest type of blade style fuse is the maxi fuse. After taking out the cover a wide range of numbers wires and buttons with different colors will be displayed. T2a250v f1a250v that s fuse rating t is for slow blow fuse and f for fast blow fuse 2a or 1a is amperage rating its usually just number and a 250v is voltage rating its number and v and then just measure the size of fuse in small electrical device is usually 5x20mm there are 5x20mm 5x15mm 6 3x32mm. Check one cap on fuse pcb or manual for fuse ratings there should be written something like.

If the fuse is blown one side will show power while the other side will show ground usually a green led. A blown fuse will show voltage on one side but zero voltage on the other side. Both sides of a good fuse will show power usually indicated by a red led. Then probe both sides of the fuse.

In rare cases though a blown fuse can. A blown fuse will usually be dark and or has a broken metal inside. Ato fuses are open at the bottom while atc fuses feature a plastic body that is totally enclosed. These are significantly larger than any other type of blade or spade automotive fuse and they are typically used for higher current applications.

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Don t be panic keep calm and locate the fuses. If you own your car long enough you can assume that at some point one or more of your automotive fuses will blow. A fuse box is located in the car and houses the fuses.