I am installing an air horn. Where can I tap into the horn circuit to trigger the relay

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DennisMo

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It's a great Stebel Nautilus. Nice and loud.
I zap strapped it to the front Isoelastric.

Is there an horn wire plug connector accessible somewhere under the gas tank?
If Yes, where is the connector. All my wires under tank are black taped up!

Thanks
Dennis
 
Purple w/black wire. Should be a juction under the tank from handle bar switch harness
 
Thanks. Is junction under front, middle or back of tank? I have to peal off black tape...!
Horn draws 18Amps so I have a 25 Amp fuse protecting the feed from Battery to relay to horn motor
Dennis
 
On my '72 Commando it's closer to the front than middle. Can you follow the harness from the handle bar swicthes?
 
You can separate the pump from the horn part on the Stebel Nautilus to make it easier to mount. They are very loud even in the stock horn location.
 
Here is where I installed it. Just zap straps and a piece of foam cushions it on the isoelastic.
Not pretty but very noisy!
Dennis
I am installing an air horn. Where can I tap into the horn circuit to trigger the relay
 
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