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Unread 04-10-2013, 12:50 AM   #1
KurtLynch
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Air Horn!

Hello Fellow Jeepers
I have a Air horn on my 98 5.9 ZJ. Love it! I took the factory horn off and just ran the factory horn wire to the air Selinoid (thank I spelt that wrong) works good just like factory like I wanted. Problem is when I lock it from the remote it won't blow. It does but I don't thank the Signal is long enough. So I'm woundering if anyone knows how to make it hold the Signal longer?
Thanks Kurt

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Unread 04-10-2013, 12:52 AM   #2
KurtLynch
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Meant Signal isn't long enough for it to open the valve all the way

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Unread 04-10-2013, 04:54 AM   #3
ratmonkey
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It's not supposed to sound long. Just a chirp. The timing can't be altered.

If you lived near me I'd probably want to kill you within a few days if it did.

Many states have laws about how loud passenger vehicle horns are allowed to be btw.
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Unread 04-10-2013, 05:49 AM   #4
herqulees
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You would have to install a computer chip in line with the horn and a bunch of wiring for even a simple task like that, in basic a computer module that would see "Hey the horn wire got power for half a second, power the horn for 1second" or whatever the times are. IMO have a horn as loud as you want, OP doesn't even suggest it's an illegal train horn, just use it when it's needed meaning don't lay on it for every little squirrel that jumps in the road or idiot that cuts you off.
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Unread 04-10-2013, 07:43 AM   #5
riot1987
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There was a guy who called into the radio the other day who said he put a train horn on his truck. Epic.
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Unread 04-10-2013, 09:16 AM   #6
ratmonkey
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Truck air horns are OK in most areas, depending upon decibel levels. If it's just used as a warning device thats OK by me. But someone that has one sound when they lock their door every time would piss half the planet off, especially any time after 9pm.

Train horns are pretty much illegal everywhere. And if not cops will generally find something about your vehicle that will need a fine and fix it ticket if they hear it

I've never seen someone say they put air horns on to make it easier to warn others of danger on the road. Its almost always to be louder and more annoying to the random jerks they share the road with. Making them also jerks.
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Unread 04-10-2013, 09:28 AM   #7
herqulees
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Quote:
Originally Posted by ratmonkey View Post
Truck air horns are OK in most areas, depending upon decibel levels. If it's just used as a warning device thats OK by me. But someone that has one sound when they lock their door every time would piss half the planet off, especially any time after 9pm.

Train horns are pretty much illegal everywhere. And if not cops will generally find something about your vehicle that will need a fine and fix it ticket if they hear it

I've never seen someone say they put air horns on to make it easier to warn others of danger on the road. Its almost always to be louder and more annoying to the random jerks they share the road with. Making them also jerks.
For some reason the fact he's using an air horn for his alarm chirp would be highly annoying, never clicked in my head. Lol. So now I gotta agree, not the best idea, but because I'm a strong supporter of the whole air horns to wake up people on the road that are being extremely stupid, I'm not going to be arguing much. I live in Nashville, which is in the top ten for bad drivers, over 1200 deaths on the interstate last year, and my normal horn is frequently ignored while I get cut off every day on the interstate and having to slam on my brakes. Just saying IMO those horns are kinda an interstate only thing, why all big rigs have a electric city horn (pressing the steering wheel) and interstate horn (pulling the chain).
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Unread 04-10-2013, 09:42 AM   #8
kg6mov
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The circuit is pretty simple. Look up a 555 single fire delay circuit just add a relay and it should work.

I would find you and burn your house down if you built it in norcal.
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Unread 04-10-2013, 09:53 AM   #9
zjosh93
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Relays with built-in off delay are fairly common. A quick google for 12v auto delay relay popped up some likely suspects. Should be able to find one under $30.

Of course whatever delay you dial in will also happen whenever you hit the horn.
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Unread 04-17-2013, 07:52 PM   #10
BLacher
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I got an air horn too. Originally wired it up in series with factory horn. Not enough power, so I took the factory horns off. I then did not have alarm chirp. You need to use the relay (should have come with horn) and hook it in series with the horn wire as signal. Then they will both go off when you use your horn button, only factory will sound when your alarm chirps.
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