The most common car fuses to blow and how to fix them


There are dozens of fuses in our vehicles, quietly and efficiently helping electrical mechanisms to function every day – but which ones are most likely to jump and why?

LeaseCar.com analyzed most likely fuses fail, through online research, and have compiled a guide to fuses used in our cars and what to do if you find that a fuse is faulty.

Fuses are designed to control and protect electrical currents flowing through wires to electrical components.

A spokesperson for LeaseCar.com noted: “Fuses are essential to the proper functioning of our cars, but are often overlooked during regular maintenance. Often something can go wrong with the battery or alternator at first glance – but upon further investigation it could be the fuse who blew.

There are a number of fuses in a car that can easily fail (Canva)

Fuses are very durable and usually long-lasting, so they can surprise a motorist in the event of a sudden breakdown. Know where these fuses are and how they work can help if something goes wrong in your car and needs to be replaced.

“Similarly, identifying and replacing a soufflé fuse can get you back on the road quickly without hitting you in the pocket for an otherwise expensive repair.

Which car fuses are most likely to blow?

LeaseCar.com say the most common fuses to blow are the ones that help operate a car’s headlights, windshield wipers, radio and starter.

If more than one fuse jumped, this could indicate a fault itself with the fuse box. There are often two fuse boxes in a car.

Fuse boxes are often located inside the passenger compartment, dashboard or engine compartment. Those in the engine compartment protect engine components such as the cooling system and the engine control unit. interior fuse box takes care of the electricity in the cabin area, such as lighting.


READ MORE: Switching to an electric vehicle can save you over £3,000 a year


A healthy network of fuses helps stabilize electrical currents by ensuring the correct amount in each mechanism and preventing an overloaded electrical current from causing a wire to overheat.

Fuses can blow due to use and age, and if vehicle accessories have been overloaded, as well as people putting in the wrong amp fuse as a replacement, or poor internal wiring.

Search your owner’s manual to locate your fuse panels and identify which fuse may have blown and how to replace it using pliers or a fuse puller to pry out the faulty fuse – if in doubt, return you in a garage and get professional help.

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