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Discussion Starter #1
My horns on my 79 are not working and I was digging thru my spares and came up with a horn with multiple terminals. My knowledge is with 79-86 spiders which only had one tab and one mounting stud on the horn. Both terminals look like they are isolated from ground. The one I found which I was told was from a 74 has the mounting stud and one stub with a tab and one with no tab. #35717 on a couple of spots made by FIAMM. Is it a two tone horn or is one of the connections for different tones/ ground connection?

Joe
 

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If there is no continuity from either connect to the body of the horn they are simply the two contacts to the horn coil.
 

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Discussion Starter #4
Ok I can deal with doing the junkyard mechanic way and just throw 12volts at it but was the horn used on ALFA's? Meetering it will not tell me if it was a ALFA horn and if it would be two tone L or R horn.

Joe
 
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