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Old 01-14-2013, 04:59 PM
DEATHTRAP DEATHTRAP is offline
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Ahooga Horn with Led Momemtary Button Control

Hey all.

I'm wanting to put a novelty Ahooga Horn into my Rig and use it with a LED Momentary Button.
I'm Very Green when it comes to wiring things, so I thought I would pop in over here and see if I could get some help on how to do it properly.
At this point, I'm not sure what I'll I even need to do the job.
Some people say to use a relay, others have told me NOT to worry about a relay and to just use inline fuses.

Let me explain how I want it to work, and we'll go from there:
I wanted the LED to come on (and Stay On) anytime my key is turned.
Then of course for the horn to work whenever the button is pushed, whether the vehicle is on or off.

The type of horn I will be using is a Wolo 330,
which has positive and negative leads of course.
Here is a picture of the Momentary Button that I will be using and the specs:
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12v
10amp/125vac
1 NO 1NC

My original idea was to get the LED power from the in-cab fuse box.
I currently had an "add a circuit" plugged into it that I'm using for power to another mod. That set-up works fine with the turn of the ignition key, so I just figure go ahead and tap that line for the hot, and ground the switch separately. Don't know if that's a good idea or not.

Any help would be great.
Just looking for the easiest and most straight forward way that is safe.
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