Thanks Jon,
One question on the 12 volt. Is there a wire that puts that out somewhere
under the hood?Or do what you said hook it directly to the battery
Randall
----- Original Message -----
From: Jon Steiger <jon@dakota-truck.net>
To: <dakota-truck@buffnet.net>
Sent: Thursday, April 06, 2000 2:28 AM
Subject: Re: DML: Air horn help
> At 01:45 AM 4/6/00 -0400, you wrote:
> >I own a 94 Dak. And the stock air horn SUCKS!!my moms min-vans is better
> >than my trucks. so i said to hell with it and bought some "Dual -tone
> >Airhorns" with the "Easy install instrutions." Well to start its a
picture
> >with numbers, you follow the numbers and in about 10 (seriously)
languages
> >tells you what each thing is.BIG WHOOPIE! Now that i explained that heres
my
> >proublm. The circuuit (i guess) is a black box. Has 4 prongs. 1)12 volt
in
> >2)horn switch 3)ground 4)out to air compressor..
> >Well.....On the stock horn there is only one wire (looks like several
molded
> >together) goin to the horn. Does anyone understand a thing i have
said?No,
> >ask what you need and i'll give all the info you need. well thanks for at
> >least reading this!
> >Soon to have a dak to scare the people at the movies,
> > --Randall
>
>
> The black box is a relay. I think you can wire it as follows:
>
> - 1 (12 volts in) - hook this up to a constant source of +12v. (i.e.
> positive terminal on battery, ignition wire, etc.) If you want to be able
> to honk your horn when the engine is off, be sure to choose a source that
> isn't keyed by the ignition. Your best bet might just be the positive
> battery terminal, unless you have a multimeter handy that you can probe
for
> live wires with.
> - 2 (horn switch) - attach the wire that ran to your stock horn here.
> - 3 (ground) - hook this up to ground. (a piece of non-painted
> metal/screw/bolt on the chassis, negative battery terminal, etc.)
> - 4 (out to air compressor) - attach this to the wire leading to the
> air compressor.
>
>
> You may be able to get away with just connecting the wire that leads
> to your stock horn to the air compressor directly, as I think that wire
> feeds the stock horn +12v, but it really depends on the amount of current
> the air horns draw. Probably better in the long run to hook it up the way
> they describe. (A relay is nothing more than an electronically controlled
> switch; its used when you have to run something that sucks a lot of
current
> with a control input which is low current. The path that is being
switched
> is +12v and the wire to the compressor. The "horn switch" input is the
> control input (a positive voltage). The ground is to give the control
> input something to flow to. When you hit the horn button, +12v will show
> up at terminal #2, and while "flowing to ground" (#3), it will operate
what
> is probably an electromagnetic switch of some type which causes #1 to be
> connected to #4.)
>
> FYI: The reason the stock horn doesn't sound very good is that its
> only a single tone horn (either high or low). If you were to get another
> horn (high or low, the opposite of what you've got stock) it would sound a
> lot better. Since you've got the air horns already though, you might as
> well hook 'em up. You could always get the other tone horn in addition to
> the air horns though and really make a racket! :-)
>
> Have fun!
>
> -Jon-
>
> .--- jon@dakota-truck.net -- or --
stei0302@cs.fredonia.edu ------------.
> | Jon Steiger * AOPA, DoD, EAA, MP Race Team, NMA, SPA, USUA * RP-SEL
|
> | '92 Ram 150 4x4 V8, '96 Dakota V8, '96 Intruder 1400, '96 FireFly 447
|
> `----------------------------
http://www.cs.fredonia.edu/~stei0302/ ---'
>
>
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