Horn comes on on its own whether in the car or not

165

Asked by Oct 31, 2010 at 07:25 PM about the 1998 Ford Mustang Convertible

Question type: Maintenance & Repair

This morning I was driving down the street and the horn came on steady for 20 seconds onj its own. Latewr in the day when the car was parked for four hours, somebody told me that the car horn was intermittently sounding itself while parked as if the alarm had gone off.
Then, later in the afternoon, while the car is parked , I hear a beep or two once or twice an hour and sometimes a 10 second blast.
What would cause this horn to act up.? it is almost like their is a ghost in the car toying with me. What a coincidence that it is Halloween today.
I do not know where to begin to solve this issue other than pulling the fuse or relay whichever could be causing this. Any suggestions?

1 Answer

25

check the horn and the connections to the horn as there may be corrosion or warn wires that would cause the bare wires to connect and beep the horn or corrosion on the horn connections that would cause the horn to beep. you can get it fixed, replace the horn yourself or just unplug the horn and not worry about it. the horn is usually down in front by the bumper somewhere.

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