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Mounting a Stebel Nautilus Air Horn on the RT

Wiring harness for an air horn.

I few years ago I installed a Stebel air horn on my Suzuki Boulevard and I used a "Universal Plug-n-Play Wiring Harness for Motorcycle Air Horns" that I bought on Amazon. It cost 20 dollars but was worth every penny. It's plug-n-play and a very fast install (the wiring part). I guess you could buy all the pieces and parts and make a harness yourself, but why? This is a time saver. And remember folks... Time is money!

I think I just talked myself into another farkle.
 
Just finished my install...2012 RT LTD with fog lights...disconnected stock horn wires...had to fish them up thru and out of a couple of wire clips..plenty of slack..connected them to the Nautilus...found space to install at the rear of the upper panel..against a steel bracket with a ledge..HD velcro and up against the heavy foam padding...works great and LOUD!! Easy and simple...took longer to r&r the panels than it did to install the horn!
 
Just finished my install...2012 RT LTD with fog lights...disconnected stock horn wires...had to fish them up thru and out of a couple of wire clips..plenty of slack..connected them to the Nautilus...found space to install at the rear of the upper panel..against a steel bracket with a ledge..HD velcro and up against the heavy foam padding...works great and LOUD!! Easy and simple...took longer to r&r the panels than it did to install the horn!

I hope the supplied relay was used, as I don't believe the factory wiring/switch are heavy enough to be used directly on the Stebel horn. They are acceptable to trigger the relay, but power needs to be supplied from the battery or a separate fuse block.


Sent from the corner of walk and don't walk....
 
I hope the supplied relay was used, as I don't believe the factory wiring/switch are heavy enough to be used directly on the Stebel horn. They are acceptable to trigger the relay, but power needs to be supplied from the battery or a separate fuse block.

I whole heartedly Disagree! So far, I have owned two RTs and installed a Stebel on both of them with no extra wiring or relays whatsoever and simply plugged the Stebel onto the same connections used for the oem Horn... and never had a problem at all and no blown fuses etc. The oem horn wiring is on a circuit heavy enough to handle the Stebel. Maybe you could stress it if you held the horn button down for a very extended period of time, but in normal use I have never had a blown fuse or any other related problem on either RT.... I know of several other RT owners who have done the same thing!

I could also tell you how to considerably simplify mounting the Stebel, but it wouldnt stand up to the complex engineering most folks seem to want to undertake in mounting this horn!
 
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I could also tell you how to considerably simplify mounting the Stebel, but it wouldnt stand up to the complex engineering most folks seem to want to undertake in mounting this horn!


It it would be easy to mount the horn on the handlebars w a hose clamp. :roflblack:

But those of us who "engineered" our placement would rather it be hidden away.

For me it was very hard to find a place on a ST-S that it would even fit.
 
I whole heartedly Disagree! So far, I have owned two RTs and installed a Stebel on both of them with no extra wiring or relays whatsoever and simply plugged the Stebel onto the same connections used for the oem Horn... and never had a problem at all and no blown fuses etc. The oem horn wiring is on a circuit heavy enough to handle the Stebel. Maybe you could stress it if you held the horn button down for a very extended period of time, but in normal use I have never had a blown fuse or any other related problem on either RT.... I know of several other RT owners who have done the same thing!

I could also tell you how to considerably simplify mounting the Stebel, but it wouldnt stand up to the complex engineering most folks seem to want to undertake in mounting this horn!

Please advise, I just order one and anything that speeds up install I in favor of.



Sent from my SCH-I545 using Tapatalk
 
Please advise, I just order one and anything that speeds up install I in favor of.



Sent from my SCH-I545 using Tapatalk


What model do you have?

Hard to get a good place on a ST-S, but I hear there is more room on a RT to mount.
 
I would assume the factory uses a relay between the switch and the horn .....correct?

I'm not exactly sure, but I remember that others had issues like blowing fuses and just not getting enough current to the stebel. I used the supplied relay and just tapped the factory wires to run my Stebel. I left the factory in so both horns actually blow. :thumbup:
 
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I'm not exactly sure, but I remember that others had issues like blowing fuses and just not getting enough current to the stebel. I used the supplied relay and just tapped the factory wires to run my stable. I left the factory in so both horns actually blow. :thumbup:

I have not heard of any spyder owners having "issues like blowing fuses" from using only the oem wiring, but I have heard that using both horns together (oem+Stebel) with a relay is the loudest combination of all...
 
Wiring colors off?

Photo #3 Shows the Nautilus in position. The RT's wire colors are Blue/beige (+) and Green/grey (-).

Well I am having difficulty determining this combination of colors on my 2012 RTS Limited.
Perhaps green/white & blue/burgundy?
Below are the colors of the harness coming down from the windshield area along with it's factory part number:

color.jpgmodel.jpg
Or is it one of the other 2 harnesses?
 
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Well I am having difficulty determining this combination of colors on my 2012 RTS Limited.
Perhaps green/white & blue/burgundy?
Below are the colors of the harness coming down from the windshield area along with it's factory part number:

View attachment 91868View attachment 91869
Or is it one of the other 2 harnesses?

Thanks for your PM. Sorry, but I can't tell where you are with all those wires!

For my Nautilus fit I simply located the OEM horn wires, there are only two, an earth and a supply. The horn push makes and breaks the horn circuit on the negative side. The horn has a permanent live, which is how come you can use it even when the Spyder is switched off. Great for passing vandals to play with!

Finding them couldn't be easier, there is a convenient 2-wire in-line connector right where you need it, one side coming from the horn push-button and the other side of the connector going to the horn itself.

I unfastened the connector to take the OEM horn out of use and Positapped into the push-button side (as shown in the photo) and used these 2 wires to trigger the relay.

So far as I'm aware there is no difference in UK wiring compared to North American wiring except that in the UK we run separate lamps for our dipped and main beams.

There may be a difference in wiring and wiring colours between 2011 and 2012 RT models, I just don't know.

Come back to me if you're still having a problem with this.

Geoff.
 
yes I the relay that came with the horn. tried again as instruction it still blows when I connect to battery. the relay must be bad I guess
 
Not enough thanks in the world for this excellent post !

Thank you for taking the time to show how to mount the horn. My dad taught me decades ago that "if it isn't made then make it yourself" and I had lost that outlook for the Can Am. Thanks for taking me back to my creative roots.:bowdown:
 
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