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Where is the fuse in the car horn?

The fuse for the car horn is typically located in the vehicle's fuse box, which is usually found under the dashboard, in the engine compartment, or in the trunk. The specific location of the fuse can vary depending on the make and model of the car, but it is generally easy to access and replace if the horn stops working.


Understanding the Car Horn Fuse


The car horn is an essential safety feature that alerts other drivers and pedestrians to your presence on the road. When the horn is not working, it can be a serious safety concern. The fuse for the horn is responsible for providing the necessary electrical current to power the horn, and if the fuse blows, the horn will not function.


The car horn fuse is usually a small, cylindrical or flat component that is designed to protect the horn's electrical circuit from overloading. If the horn draws too much current, the fuse will "blow" or break the circuit, preventing damage to the horn or other electrical components in the vehicle.


Locating the Fuse Box


To find the fuse for the car horn, you'll need to locate the vehicle's fuse box. This is typically found in one of the following locations:



  • Under the dashboard, on the driver's side

  • In the engine compartment, often near the battery

  • In the trunk, sometimes near the spare tire well


Once you've found the fuse box, you'll need to consult your vehicle's owner's manual or a fuse diagram to identify the specific fuse for the horn. The fuse may be labeled "horn" or have a symbol that indicates it's for the horn circuit.


Replacing the Fuse


If the horn fuse has blown, you'll need to replace it with a new fuse of the same amperage rating. This information can also be found in the owner's manual or on a fuse diagram. Be sure to turn off the vehicle's ignition before replacing the fuse to avoid any electrical shocks or damage to the vehicle's electrical system.


If the new fuse blows immediately or the horn still doesn't work, there may be a more serious issue with the horn's wiring or the horn itself, and you may need to have a mechanic diagnose and repair the problem.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.