I can't remember how many times I've blown my horn at a cager occupied on a cell phone and could hardly hear the horn myself. The OEM horns are weak at best and forget about it at freeway speeds with aftermarket pipes. So I set out to find a good horn that not only I could hear but those cagers could definately hear too at freeway speeds.

I liked the idea of air horns, but could not find a decent location where they wouldn't be obtrusive. Then I found the Nautilus Compact Air horns made by Stebel.

The horn fits nicely where the stock front horn was and was fairly easy to install.

The wiring directions were hidden in the package so my first attempt was a direct connection which resulted in a pathetically weak sound. The air horns draw about 18 amps and the oem wiring just could not handle it. I started searching the net and found a wiring suggestion that I used. Viola! Thar she blows! All it took was to wire in a relay which came with the horn.

I used 12 gauge wire and used a 25 amp in-line fuse. For the bracket, I used a 1 1/2" piece of aluminum stock.

The wiring on the relay is as follows:

• Terminal 30- Fusible link direct to + battery.
• Terminal 87- Positive terminal of horn. Connect negative horn terminal to a good ground.
• Terminal 86- Positive side of horn switch wire.
• Terminal 85- Negative side of horn switch wire.

Now this horn really gets the attention of those cagers, especially while they are on those cell phones and their radio's blasting away. These horns are rated at 139db!  I found mine at http://adventurersworkshop.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=STEBEL_COMPACT_AIRHORN&Category_Code=Stebel_Air_Horns

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DISCLAIMER: This information and procedure is provided as a courtesy and is for informational purposes only.  Neither the publishers nor the authors accept any responsibility for the accuracy, applicability, or suitability of this procedure.  You assume all risks associated with the use of this information.  NEITHER THE PUBLISHERs NOR THE AUTHORs SHALL IN ANY EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, PUNITIVE, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OF ANY NATURE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE USE OR MISUSE OF THIS INFORMATION OR LACK OF INFORMATION.  Any type of modification or service work on your motorcycle should always be performed by a professional mechanic. If performed incorrectly, this procedure may endanger the safety of you and others on your motorcycle and possibly invalidate your manufacturer’s warranty.

Comments (6)

Wiring Problems!!!! Written by timduross, on 10-06-2007 15:33 Greetings from Boston. I picked up this horn at the parts store on the way home last night. Rather than spend the $300. ebay wanted. Bolted it up to the left front footrest bracket. Tried to wire the horn direct to the old plug (+ and -) connecting wires and it worked but the lights dimmed and the horn seemed to strain. So I figured I'd better read the directions. I wired the horn to the front horn plug, and had all kinds of trouble. Blown fuses ect. This system works with constant power and gets a ground from the horn switch. I want to save everyone alot of time by saying "you must wire the horn to the rear plug and leave the front one unpluged". It's the best $40 I ever spent. Nice and loud. I have not painted it black yet, the one I got has chrome on the ends. That will wait for another day. Today I'm goin out to make some noise.

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