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Old 12-08-2013, 02:19 PM   #1
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Question Air horns addition

I was searching online for air horns to add to my coach, but they all look to include a small compressor.

Since I have air in the coach I thought I could tap off the existing system.

I guess it to much to add them to the roof so I was thinking next to genny pointing down.

Any suggestions?
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Old 12-08-2013, 03:30 PM   #2
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I just installed these

Kleinn Train Horns Part 99 - Dual Air Horn - 4 Wheel Parts

Surprisingly loud for their size.
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Old 12-08-2013, 03:47 PM   #3
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That's where my train horns are. I just used a quick disconnect from the on-board compressor and they work great.

Mark
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Old 12-08-2013, 04:49 PM   #4
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I got these air horns off eBay, installed them on the fire wall, and connected them to the existing air & a dash switch. They work well and loud.
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Old 12-08-2013, 04:59 PM   #5
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Great either of those should do nice.

Can you explain how I connect to the air source?


tks
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Old 12-08-2013, 05:41 PM   #6
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Thinking out loud:

If your tank has any ports or receptacles for ports your can go off the tank with a fitting. Or you can tap into an air hose that is close by if you like. I prefer the tank because I would not want a failure in the horn fittings or line to effect other air systems.

Fittings are available at most auto parts stores or on line.
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Old 12-08-2013, 05:51 PM   #7
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I went my local truck parts store and bought the needed fittings and air line. After draining the air pressure from the system, I tied into an air suspension feed
line at the front tank. That way in case of a ruptured air line the brake system side is still intact.

My air tanks are behind the front axle so I used my wooden ramps to obtain space for me to crawl under when the air suspension is deflated. Working safely underneath is high on my list. I'm happy to report the operation was a success.
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Old 12-08-2013, 06:09 PM   #8
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Ok, I think I have the idea now, I'll take look .....
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Old 12-09-2013, 12:20 AM   #9
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Quote:
Originally Posted by jimbo2013 View Post
Ok, I think I have the idea now, I'll take look .....
If your endeavor is on a Freightliner chassis, you likely have an air manifold with unused ports located in the driver side front bin.

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Old 12-09-2013, 05:14 AM   #10
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Why not Hadley? Very popular on Class A's. This unit is will use your existing air supply:

Hadley Air Horn kit

IF I thought I had enough room on the roof, I'd have a nice Nathan AirChime K5. They'll hear me :-)
http://www.airchime.com/railmodelk.asp
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Old 12-09-2013, 12:25 PM   #11
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I don't have the luxury of on board air so I had to opt for these, MAN these Things BARK.

15.5
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Old 12-09-2013, 03:54 PM   #12
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I didn't want to spend an arm and a leg for blowing a loud horn once in a while, so opted for these or something close.... Amazon.com: Wolo Model 417 Long Horn Plastic Dual Trumpet Big Rig Sound Air Horn Kit - 12 Volt: Automotive
Wired them under the hood and behind the grille, off of my regular horns for activating the relay. Super loud (135 - 145 db) and super easy to install.
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