horn troubles

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horn troubles

Post by doug on Sun Apr 22, 2012 8:42 pm

having trouble with my horn, now now bike horn that is, no battery on the xr so its ac bought new horn but only getting the horn to vibrate not make noise, does it need earthing to frame? its mounted on rear of rad at moment, ....

doug

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Re: horn troubles

Post by captain caveman on Sun Apr 22, 2012 9:43 pm

if its vibrating then there's power going to it. Maybe try a different horn on it?

Any horn will do just to try it.
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Re: horn troubles

Post by Walnutwhip on Mon Apr 23, 2012 12:13 pm

First take it off the rad it will aid cooling Wink
Try to get a small battery ie [long thin battery drill type or simmilar] nothing bulky and fit behind headlight.
There was a electric horn on fleabay that would pass mot very light weight otherwise - Take a look at images of the Baja designs headlight for the xr six fiddy for some inspiration if your looking for somthing more elaborate!

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Re: horn troubles

Post by Hopes Dad on Mon May 07, 2012 10:03 am


I don't think you are getting enough power to it, is it any better with the bike at half throttle?

I think the horn needs a good few amps to make it vibrate faster ie sound, as it's only vibrating there isn't enough oomph to give a blast.

Try a multimeter on the power in, see what you get.

Prob the easiest way to go is a selfpowered horn, off a kids bike.
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Re: horn troubles

Post by Hopes Dad on Mon May 07, 2012 2:41 pm


Doug, ignore the crap I posted earlier, just asked an elect in work & he said to get a better earth on it, either run a strap from the hore to the frame, or mount it on the frame.

Apparently you need to get them negative ions out through a good earth, lost interest after that, so the rest was just white noise.........................
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Re: horn troubles

Post by sheepshagger on Mon May 07, 2012 5:44 pm

On some horns there is an ajuster screw,once you know you have a good earth and 12v going to it,if its still the same ajust the screw in or out until it vibrates.
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Re: horn troubles

Post by Skippy on Mon May 07, 2012 6:04 pm

As above, usually one earth, one live connector, and an adjuster screw on the back, like Sheeps said, try the adjuster screw, could be too tight / loose....good luck... let us know.....
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Re: horn troubles

Post by doug on Fri May 11, 2012 8:44 pm

cheers men will try to earth it and see what happens....

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