2nd Generation Specific 1986-1992 Discussion

Horn

Old 02-28-2005, 02:03 PM
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i read somewhere on here that the horn is relayed through the computer; is that true and if the horn in my car doesnt work, could that also mean the computer is bad?



would make sense about the no-start problem
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Old 02-28-2005, 05:17 PM
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horn is a wire from your wheel, to a 12v source to the horns...doesnt, or shouldnt, go thru your ecu, no need for your ecu to know that you are pressing the horn.



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Old 02-28-2005, 08:46 PM
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you should check for corrosion behind the horn cover, they get cruddy over time and will cause the horn to not work, even replacing the horn with a new one wont work. Take the screws off the steering wheel from the backside, touch the horn wire to metal and see what happens.



take a little steel wool to the brass contacts back there.
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Old 02-28-2005, 09:33 PM
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in fact there is a TSB for the horns in our car, some had the wire put in the wrong place, causing a metal-metal short because of some fuckup on the assembly line.



first step would be to pull off the steering wheel cover and check the wire.



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