Question about 1994 Mitsubishi Mighty Max
I have changed the fuse and that didn't work. I was told to check the horn relay and / or the horn but I don't know where either one is located in the truck
Actually, an older Mitsubishi truck (mine is an '88) doesn't have a horn relay. The horn (located just behind and below the front grill on the driver side) has two leads. One has 12v that comes on when the ignition is turned on. The other has a lead going to the horn button. That button will ground the horn, causing it to blow. The ground actually AT the horn is not needed at all. To get at the horn to check it out, you remove the screw directly under (but on) the steering wheel. You can then flip up the horn assembly...just put pressure upward on the bottom of the horn and it will flip out. The lead coming to the horn should have 12V on it if the ignition is on. When you ground that lead, the horn should blow. If there is no voltage on the lead, the horn is probably shot (circuit is open) and you will need a new one. So, if your wiring is ok and your connectors are connected, either you have a bad horn or there is a problem with the horn itself in producing a ground.
Posted on Jul 03, 2009
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.
Posted on Dec 02, 2008
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Posted on Jan 02, 2017
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