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Posted

If I intentinally set off the alarm my horn goes off but if I just try to honk by the buttons it doesn't- any one know what needs to be checked?

Added: The local repair shops says that the relay is clicking so I need to take it to a wiring shop but it could be that one of the horns isn't working because it's a 4 (something) horn. Does this make sense?

Posted

if the alarm sets off the horns, then the problem has to be in the steering wheel. The horn relay is triggered by either the alarm ckt, or the horn button(s).The Reatta doesn't have 4 note horns.

Posted

You did not list the year of your car, but from your message that said "buttons" I think you have a 1990 or 1991. that means you have a air bag car and you will want to take extra steps.

Disconnect the battery. Remove the screws from the back side of the wheel, behind the horn buttons, I think they are Torx head.

This will release the center part of the wheel assembly. There are two different connectors. The yellow connector is for the air bag and I would disconnect that first, Then the others.

There should be two wires for the horn. One is 12V going to the buttons and the other is to ground. You need to test the two wires to find the problem.

You must reconnect the battery to get the horns to work. Short the two wires together....if the horns honk, then you have bad buttons.

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