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Re: 1977 Corvette Horn not working?
Some use only one connection only which is positive. The bolt that attaches the horn to the chassis is negative. If this is the case then attach a battery lead wire from positve to the connection and another lead from the negative battery to the bolt hole.
If it has two connection points, then one is positive and the other is negative. Attach a battery lead wire from positive to any connection and another from negative to the other terminal. Leads may have to be reversed if the horn doesn't work.
If horn dosen't work then replace the horn.
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