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Old 05-19-2008   #1 (permalink)
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Horn Help

Hello everyone. 2007 Bonneville. I recently installed a new horn. The one from New Bonneville. Have been riding with it for two days. Yesterday took a long trip and everything was fine.

Today had a bit of a nightmare just after going over the George Washington Bridge. Not sure if it was caused by hitting a bump or not but the horn just went off and would not turn off. Needless to say this did a major job on the nerves while it was happening. I pulled off when I could and pulled the connections.

When I installed it the horn worked no matter which connections I made with the two connections being switched back and forth. I know that one must be a ground. Could having it on the wrong side have caused what happened?

Needless to say I don't want to have it happen again. Thanks for the input.

Drue
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Old 05-19-2008   #2 (permalink)
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I got no idea about why your horn went off but I do want to know if your coming to the Bennington Triumph Bash the last weekend of this month. If you are you can come right over that GWB or the Tapp and meet us in Norwalk CT on Friday morning and ride up with the Ugly Ass Monkey Gang!
http://www.armchaircommando.org/benn...Bash/Home.html
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Old 05-19-2008   #3 (permalink)
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Thumbs up Horn

Kinda funny - NOT!! Had the same problem. The ft end of the Bonne is a positive ground of sorts. The horn is insulated from the frame via a rubber bushing on the mount. If there is ANY compromise on that insulation- the horn will sound constant! I put a new horn from Kirk on & had to re-insulate it. Used some storm shutter bushings. All is ok. If the rubber bushing on the horn mount is not all there- the horn will grnd & beep constant! Gettin late, so - If the mounting bolt? bracket isnt TOTALLY insulated from the forks, it will go off constantly. It drove me nuts till i figured it out! If you look @ the original horn- there is a rubber gromet there that TOTALLY insulates the horn from the bracket/ forks. Not a biggy just go to the Depot & get a gromet - or the nylon buchings/ shutter to isolate & done deal!!
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Old 05-19-2008   #4 (permalink)
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Try reversing the connections. If that works, mark them so it doesn't happen again. Also while you're down there, look for shorts--compromised insulation--in the wires going to it.

Did you ground the horn as shown in the "one-terminal" instructions? If so, take that grounding wire off. It should be wired with one connector from the bike to each terminal and no grounding wire.

If the above don't work, do what the Captain says and make sure that it's insulated, but many of us install them without insulating them.

The horn might smack the fender if you hit a hard bump and brake simultaneously, especially if you have the stock fork springs. You can try adjusting it so that doesn't happen, or consider mounting it under the tank, a great location for it if you've removed the AI.

Horn relocation under the tank:

http://www.triumphrat.net/twins-tech...elocation.html
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Last edited by Baltobonneville : 05-19-2008 at 10:18 PM.
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Old 05-20-2008   #5 (permalink)
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Thanks guys. I'm going to try and insulate it a la Captdon. I've dropped New Bonneville a mail and look forward to hear the response.

Drue
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Old 05-20-2008   #6 (permalink)
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Thumbs up Horn

Itll do the job!! Did for me. Funny bud had the rite size bushings in his parts bin! Good luck!!
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Old 05-21-2008   #7 (permalink)
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Thanks Capt! Going to try it this weekend. New Bonneville is also sending me a new horn just in case the horn is defective. Very cool company!

Drue
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