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Old Apr 7, 2011 | 10:12 PM
  #1  
Helimech488's Avatar
Helimech488
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From: Philadelphia, PA
Default Horn Trouble

Hey all, New to the forum, Just installed an HD premium airhorn on my Nightster and it barely makes noise. Any Ideas?
 
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Old Apr 7, 2011 | 10:35 PM
  #2  
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DannyZ71
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From: Broken Arrow, Oklahoma
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Not enough juice to push it?

NOTE: It is possible to overload your motorcycle's charging system by adding too many electrical accessories. If your combined electrical accessories operating at any one time consume more electrical current than your vehicle's charging system can product, the electrical consumption can discharge the battery and cause vehicle electrical system damage. Ask your dealer for advice about the amount of current consumed by additional electrical accessories.
 
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Old Apr 8, 2011 | 10:23 AM
  #3  
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Helimech488
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I don't know, I don't have any extra electrical components such as lights or anything. If the stock electrical system can't drive it, why is HD selling it? LOL
 
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Old Apr 10, 2011 | 09:09 AM
  #4  
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DannyZ71
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On some horns like that, a relay is included. Did you use it, or bypass it, if there was one?
 
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Old Apr 11, 2011 | 01:11 AM
  #5  
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Sounds like ya plugged it into the original wires without using the relay.

Run the relay on the stock wires and have the power to the horn come straight from the battery. Should also be an inline fuse on the horn.
 
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Old Apr 11, 2011 | 10:14 AM
  #6  
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Zimbob
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I agree with trmac, does sound like you just plugged it into the stock wireing. You do need to use the relay, should've came with one.
 
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