How to Fix a Car Horn





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Uploaded on Apr 18, 2011

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If your car horn stops working, you can troubleshoot and often repair the problem.

Step 1: Check for sound
Check whether the horn makes any sound. If it does, the electrical circuitry is still working.

Most vehicles have two horns, which sound at the same time. They are usually mounted to the radiator core support or behind the vehicle's grill.

Step 2: Check horn
Unbolt, clean any corrosion, and reinstall the horn if it does not sound. If the horn still does not work, run a jumper wire to it from the battery. If it still does not work, replace it.

Step 3: Check fuse
Check the fuse that controls the two horns if there is no sound from either one. If the fuse is burned out, replace it. Try the horn again.

Check your car owner's manual for the location and type of fuse.

Step 4: Check horn button
Check whether there is any debris obstructing the horn button on your steering wheel that may be preventing the horn from sounding.

Step 5: Check wiring
Check -- or have a mechanic check -- the wiring attached to the horn, if all else fails. If it is damaged, repair or replace it. Now you can make some noise.

Did You Know?
Before 1910, bulb horns were widely used on automobiles.


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