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Re: Horn won't work on my 1994 Mitsubishi Mighty MAx
The horn relay is located underneath the hood close to the fire wall on the passenger side in a black box with a diagram on it..if the does'nt work try checking the wire under neath the steering wheel cover..
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What do you need a horn for ,you would get a right fine for sounding the horn in the UK ,here in spain the horn is used for telling someone you have arrived ,outside a block of flats ,when the car in front doesnt move off before the lights have changed to green or attracting the attention of a pretty girl ,which doesnt happen in the uk as they all wear burkas or they are beaten by the jihadi police if uncovered .Go to the dealer as these parts are dealer only
Did you check the power to the relay? and then the signal wire (ground) at the relay to see if it's being signaled? Otherwise you may have a clockspring or module problem not allowing the signal to pass through to the relay.
if the steering wheel clicks when you push on the horn then the wiring from the horn pad out to the horn is good.if it clicked before you replaced the parts then you didn`t have to replace them.check the horn at the horn,with someone pushing on the horn pad tap the horn to see if it will try to work if so then the horn needs to be replaced if not then run a power wire from the battery positive to the connector at the horn if the horn works again the horn needs replacing.
Three things to check here... First find the actual horn assembly... generally under or near the front bumper or radiator support... pull off the wire and check for power with someone depressing the horn button... if you have power there then it's your horn assembly... could just be rusted to the point of being frozen... I have fixed these by spraying WD 40 into it and tapping on it... If no power then check the horn relay... either get another one from the junkyard and plug it in or put a temporary jumper wire (12 gauge wire) in the large terminals where the relay goes and try the horn... if it blows it was the relay... if still no horn after these tests then it's the switch under the steering wheel...you might need a puller tool to remove the wheel the most likely problem in that case is a damaged horn ring (transfers juice from the button in the wheel to the horn circuit)... Hope this helps...;-)
First could you do a couple of test to confirm what is actualy wrong?You will need to buy a test light/probe to confirm power to the horn etc,the tester is cheap and a good addition to any self diagnosis you do on the vehicle.Try running a wire from the horn positive terminal directly to the positive side of the battery to make sure the horn actualy works.Also make sure it is securely bolted to the car,not loose as its bolted down tight to give the horn the earth it needs to work.If horn doesnt work when directly connected to battery you will need to replace it and problem solved but if it does work then you will have to check the power to the horn button cant remember exactly but I think its the centre of the steering wheel.Make sure the wire coming through the centre has power.Let me know how you go and if problem still exists let me know.Horn is usualy located at the front of the vehicle either behind grill or in the engine bay near to the headlights.good luck.