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Re: Horn does not work
Hi my name is Allen!
The bolts come in from the back side of the steering wheel.
Before you do that, let try something.
Run a wire from the battery negative post to the horns and attach it to the bracket the horns are installed on. What we are doing is checking to see if the ground is bad. With the wire attached try the horn to see if it blows, if it still don't work.
Next: run the wire from the positive side of the battery post and touch it to the horn connector at the horns be careful not to touch any metal parts or it will spark, what we are doing is checking to see if the horns are bad, if they work then we will move on to the next procedure.
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it the horn activates randomly when driving and when the steering wheel is moved , the problem will be the ground contact under the steering wheel
there is a small spring loaded button that runs on a slip ring in the back of the steering wheel and intermittent/ random operation can be traced back to a fault in this area
the horn works so it is good , the fuses and relays are working to make the horn work so they are good ( unless there is a grounding problem with the relay causing the relay to operate and blow the horn)
You have all the informations to find your problem. jump a wire on connector X4 G1 tan wire to ground and check X1 E5 with a test light or multimeter to see if there is a output, you should have 12 volts. If you dont have any voltage the horn relay is defective. I check in the shop manual and the relay come with the underhood fuse block.
1st check you have power at the horn unit (normaly behind bumper) if power there it must be the horn itself. If no power you need to check the horn relay & contact behind the steering wheel cover. When yu press the horn do yu hear the relay click?
check horn relay.when you say replace did you replace horn control with airbag in steering wheel or did you replace horn.if you replace horn and fuse and relay okay problem is in the horn pad with airbag in steering wheel you have you replace it before horn will work again.
Start by having someone press the horn while you feel the relay with your finger. If the relay clicks when the horn is pressed then the switch is working properly and your problem is between the relay and horn assembly.
Well, it could be a fuse. Check the associated fuse, if it is ok then proceed to checking for power at the horn (it should have 12v). If the horn has power then replace the horn. If it does not then seek proffesional certified help due to the fact that the problem is going to be in the steering column or horn pad, and that will require dealing with the airbag system (which is NOT recommended) unless qualified.
Try using a 12volt jumper wire directly to the horn from the car battery. also check the ground on the horn. The last thing I would do is pull the steering wheel cover. Make sure the horn is blowing first.