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Check to see if there is 12 volts at the horn positive connection when someone pushes the horn button on the steering wheel. If there is voltage, and no sound, you need a new horn. If there is no voltage when the horn button is pressed, you need to troubleshoot the rest of the electrical circuit. First look in your fuse box for a blown horn fuse. Then try replacing the horn relay.
If the fuse is OK, check if you have power at the horn, if yes, replace the horn, if not check the switch or wire. make sure you have a good ground too.
If you know the fuse and relay have power, you should be able to jumper the relay and make the horn blow. The horn pad on the steering wheel usually grounds the relay. If you can jumper the relay and make the horn blow, the problem may be the horn pad or the clockspring in the steering column.
Before you run out an buy a new horn, suggest you test the horn that is on the vehicle and make sure it is bad or not. Disconnect the lead wires and jumper power to it. If you get nothing from that test then the horn is bad and that is what needs to be replaced. If it does make a sound then you need to take a look at the horn relay or the horm switch. While the horn itself is not hard to replace, the horn relay and switch are a different story.
if you check the wire that comes from the horn button to the relay for voltage when the horn is pushed and have voltage then you have a bad relay,if not then you probably have bad contacts in the horn pad area or even the clock spring itself.
Check first the FUSE!
Check the relay!
Then let somebody push the horn pad in the steering wheel, while u listen at the RELAY, if you hear any "click" sound that means relay is working!
If the relay is working NOW the problem lies in the HORN itself and needs to be replace!
Check the wiring too! There might a disconnected wire or a FAULTY ground to the HORN!
Taah!
it is behind bumper drivers side. I believe there is a relay in the horn, making the horn unique and origional replacement required. if it has three wires in it then it has built in relay.
get a nice young dolly birn to hold horn switch down then tap horn with a small hammer a couple of times ,if it doesnt work the replace the horn as they corrode up with lack of use
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