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Author Topic: Stebel Nautilus Horn Connection Question  (Read 1136 times)

BamBam

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Stebel Nautilus Horn Connection Question
« on: May 11, 2017, 08:18:41 PM »

Well as most of us all already know, the horn on theses bikes (at least on the FXS) is pretty whimpy. In fact, this is true of most motorcycles so I always replace the stock horn with a Stebel Nautilus air horn.  The Stebel horn draws a considerable amount of current.  I think somewhere around 18A from what I've read.  So my question is what is the best way to power this horn.

I know about the aux port on my bike, but that is only rated for 10A.  Could I go ahead and use this power source anyway and just upgrade the wiring from the fuse box?  Or is there a way the connect the horn directly to the battery or the DC-DC converter?  I don't know what the converter is or where it's located, but would that be a safe option?

Thanks
« Last Edit: May 11, 2017, 09:03:18 PM by BamBam »
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Currently Owned Bikes:
2017 Zero DSR Limited Edition (original owner, running)
2008 Kawasaki KLR 650 (original owner, red now black, running)
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MrDude_1

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Re: Stebel Nautilus Horn Connection Question
« Reply #1 on: May 11, 2017, 11:35:25 PM »

While I always add a horn relay to motorcycles so its louder, are you SURE that horn pulls 18a? that seems like a lot.
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Erasmo

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Re: Stebel Nautilus Horn Connection Question
« Reply #2 on: May 12, 2017, 12:38:40 AM »

IIRC the Nautilus uses a compressor, that 18A might be the ramping up current from stagnant.(Not really sure if it worded correctly this way, can't find the proper English term for it ::))
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BamBam

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Re: Stebel Nautilus Horn Connection Question
« Reply #3 on: May 12, 2017, 01:40:03 AM »

Right, I know I have to use a relay with the Stebel horn.  On my other bikes I connected the power directly at the battery terminals with an inline 30A fuse and a relay.  I'm too new to the Zero to know if that is possible on my FXS.

Here is something I pulled off the internet regarding the current draw.

"It requires an auxiliary relay, rated for >19 amps.

There is a wiring diagram on this thread:

http://www.ukgser.com/forums/showthread.php/72369-Advice-needed-Stebel-Nautilus-fitting?highlight=nautilus

Look for my post.

Don't just wire it through a fuse and the original switch - it'll either cut out the CANBUS (if you are on a 1200) or fry the switch ultimately."

« Last Edit: May 12, 2017, 06:41:42 PM by BamBam »
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Currently Owned Bikes:
2017 Zero DSR Limited Edition (original owner, running)
2008 Kawasaki KLR 650 (original owner, red now black, running)
1997 Honda Valkyrie (original owner, first year in black, running)
1975 Kawasaki H2 750 (original owner, purple, not running)
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