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If you have power and ground at the horn when activated, the horn itself is bad it needs to be replaced. If you don't get power or ground it could be faulty wiring that would need repairing or a relay if it has one (1998 model did and its in the passenger compartment fuse panel). If it has a relay, swapping it with a similar accesories relay, I.E. a/c, to check. If get power to the horn the realy is bad and needs replacing. If you still don't, yo can apply power and ground to the horn to check it. If it works the wiring is faulty.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoFirst you have to determine what the problem is before you can fix anything. It could be bad/dirty contacts in the horn switch, blown fuse, bad horn relay, damaged wiring or a bad horn itself.
Wiki User
∙ 9y agoStart by figuring out what's wrong with it - it could be a problem in the power supply (which includes the fuse, the relay, and the wiring), or it could be a problem with the horn itself. Until you know which it is, you'll just be throwing parts at it until you happen across the right part to correct the problem.
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