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Can the horn switch handle 2 electric horns?

3023 Views 10 Replies 6 Participants Last post by  Fry1024
I went to the salvage yard today, and got a GM auto horn, and a couple of fiamm aftermarket horns (low and high tone). I only paid $2.00 each!
The GM horn is louder and lower pitched than the OEM horn. The Fiamm horns are each louder than the GM horn, and together they have a massive cutting sound! These horns are about the same physical size as the OEM horn, so one would fit on it's original bracket, and one could easily be mounted from the top bolt on the other side of the radiator. I would like to use these horns together if possible.
Has anyone done this without extra power and a relay from the battery? I know that they would draw less than the compressor for an air horn, (especially when the compressor starts!) but I don't want to burn up the horn switch contacts.

If I have to run a relay, I will hook up all three of these horns, and the OEM one together. One could mount to the right radiator bolt, and the other two could easily be mounted under the right front fairing.

What do you guys think?

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I did something similar but did it all through the stock wiring, switch, etc after taking current measurements. My final test was blasting the horn for a continuous minute while everything was on (once w/ bike running, once not running). The branch circuit maxed at 5.3 amps. It's been over a year now and still no issue. :)

What I installed was a high and low tone horn from a '97 Dodge Intrepid I use to own. I love the way this horn combo sounded and originally was going to swap out my stock Civic horn w/ these but after been run off the road I decided to put them on the bike.

It took some crafting to get the bracket right to hold both horns pointed forward, slightly down (so any water would drain out) and from hitting anything on the bike. After about 2 hours I got this:

[url=http://www.youtube.com/watch?v=tLGRUqoxdLU]h38so9sfwnw349.wmv - YouTube[/URL]
We like pics, so I thought I would add these:

Looking down the forks:


From underneath:
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