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Re: Cannot locate horn
IF horn is going off then it is not your horn.
most likely your horn pad switch sticking this requires airbag to be removed to replace.
if it is going off and lights flashing then you may have a security issue
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Most of the time it is not a fuse, it is the relay. Horns use alot of voltage to work , and therefore use a relay to close the circuit to make the horn blow. some relays are under the dash, some behind gloveboxes and a few in the engine compartment. You give no make or model of your vehicle so I have no Idea where it would be. You will need and electrical schematic of your make and model to locate the relay.
if the fuse and relay is fine then check the horn itself. with someone pushing on the horn button check for power at the wire on the horn you should have power if not it could be a broken wire from the horn back to the relay. also check to make sure the horn has a good ground. if you do have power chances are the horn itself needs replacing. sometimes the horn pad goes bad, but that rarely happens.
2001 malibu horn fuse and relay are located in the under the hood fuse box.
location 21 should be the relay
location 43 should be the fuse.
if the relay is put in wrong the horn will not work. if you replaced the relay and the horn stopped working try pulling the relay out and turning it around. and try the horn again.
horn relay located on the right side kick panel,you will see a row of relays,if horn relay is okay, more likely your horn control pad has a short inside causing horn button contacts to stick causing horn to keep blowing.
Check in your owner's manual for the location of the horn relay. It will usually look like a small metal or plastic box that plugs into either the main fuse box or the high amp fuse box under the hood. If your horn fuse is good then most likely the horn relay needs replaced.
ok this problem could be in several places. most likely its a blown fuse or more likely a relay.check your owners manual for locations. if its not a fuse or relay then its in the horn itself or possibly in the contacts in the switch.The easy way to find it is unplug the horn have a friend depress the horn button and use a test light to see if you have voltage at the horn.if so replace horn. If not check the fuse if the fuse is blown replace and try again. if the fuse is not blown then check the relay.
90 % horn on steering wheel is bad. 10 % chance its the relay. most realys are on the driver side under the hood. I would unplug the wire from the horn. so its good and quite. now put the fuse in and out fast and get someone to try to hear the relay click.