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check the horn fuse
Check the actual horn. Clean the contact points and apply dielectric grease to the contact points. Test the horn for resistance. Check the horn relay.
check the fuse
Try to operate the horn and listen for a click from the horn relay probably located under the hood. If you don't hear a click I would check out the horn switch contacts in the steering wheel. If you hear a click I would check for power at the horn using a test light. If you have power at the horn connection when horn switch is activated it is probably the horn itself that is bad. If you have no power at the horn connection when the horn switch is activated replace the horn relay.
Apply 12 volts directly to the horn an if it blows it is good. If not it is bad. Check the fuse for the horn. Check the horn relay. Check the horn button in the steering wheel. Check all wiring and the ground connection.
Fuse? check your fuse box for the fuse indicated "horn" remove and replace if neccessary. if fuse is not the problem, check wiring to horn under the hood in the engine compartment.
check fuse then check horn relay then check horn itself last of all combo switch
To fix the horn on a 1988 Camaro, check the horn fuse first. Then check the horn relay, wiring, horn, and switch to find the problem.
check your fuse. i had the same problem. that might be it. I doubt a fuse, the clicking is probably the horn relay that you hear. Fair chance the horn or connection at the horn is the problem. The clicking noise is the relay, and since it is clicking I doubt that your switch is bad, so check the fuse and also check the horn (hook it to the battery).
A horn can stop working due to a faulty wire, fuse, or horn assembly. On a 2003 Ford Taurus check the wiring with a spark tester to ensure there is a live current flowing through.
A relay is a device that uses a small control current to switch a larger current. So the horn button (small current) turns on the relay which in turn energizes the horn (heavy current device).
check power to horn - no power to horn -check ground -no power to horn -check relay - no power to relay -check fuse inside car first thing -still no power to relay -check horn button -still no power - possible break in wire