The car horn is a significant element of a vehicle. It is a way of communicating with other vehicle drivers. Therefore, when the car horn is not working, there may be certain reasons, for instance, rain or chemicals on the road affect the performance of the horn. You can fix a car horn yourself easily. However, when the car horn stops working due to the airbags problem, you may need to call an expert technician.
Here is why your car horn may not be working and the easy steps to fix your car horn:
FIXES FOR A CAR HORN NOT WORKING
You may face car horn problems with a low tune or simply no sound from it. Following are the reasons and repairs when car horn works intermittently or does not work at all:
CAR HORN FUSE
First step to fix a car horn is to check the fuse. When the vehicles are exposed to rain, the coils short. In the car short circuits, it may blow the fuse. Refer to the owner’s manual or car fuse box diagram to find the placement of the horn fuse.
Check the fuse with a multimeter to find out whether the fuse is receiving the current or not. If it is receiving the current, check the car horn fuse by pulling it out through the fuse puller.
Replacing the fuse if it is damaged or broken may solve the problem when the car horn is not working.
CAR HORN RELAYS
If the car horn still does not work after fuse replacement then check the relays using a multimeter. Switch the horn relays with light relays to check if the horn works.
If the horn is still not working, there may be an issue with wiring.
CAR HORN WIRING
Most of the car horns wires and connectors have a protective layer made up of rubber over it. However, after some time, the dirt might corrode the connector and cause the car horn to fail.
You should check the connectors, wires or any loose connections.
CAR HORN SWITCH
The car horn switch in the steering wheel of the vehicle may get damaged due to hard pressing. In this case, when you open the car horn switch, make sure that the car airbag doesn’t blow off from the steering.
Before opening the steering wheel case, remove the negative terminal of the battery to avoid any other damage.
FAULTY CAR HORN
A car horn lasts for most of the car’s life. However, some dirt or debris can get inside the car horn making it stop working. A car horn not working properly may have the following problems:
- It gets dirty from inside and may require cleaning
- Physical damage in an accident
- Material damage from inside
- Membrane inside the car horn wears out
- Electromagnetic coil gets burnt or damaged
These are some of the problems to which car horn replacement will be required if it is not working. Different auto manufacturers place car horn at the following places in the vehicles:
- At the lower right or left side behind the front grill
- Inside the bumper
- At the right or left fender
Replace the broken car horn or clean the dust and dirt from the horn and check if it’s working or not.
EQUIPMENT REQUIRED TO CHANGE A CAR HORN THAT IS NOT WORKING
Fixing a non-working car horn is easy, all you require is the following tools:
- Tester
- Multimeter
- Pliers
- Jumper wires
These are some essential tools that can be used to fix the car horn. Car horn fuse or relay may be required according to the fault. A car horn not working may also require replacement or checking connections.
Therefore, when you buy a used car in the UAE, you must check the car horn along with the other components in the vehicle.
Stay tuned to the UAE’s top auto blog for information on auto parts and repairs.
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