Hey guys I was wondering how you guys ran your train horns. I have a set of horn blasters that I was thinking about running to my number 1 switch. Did you guys splice into your regular horn relay? I'd like to have both horns if possible. How would you guys run them?
You could command the train horn with a relay spliced off factory horn, and could switch power to relay from your upfitter. So when your switch is off factory horn only, switch on both horns work.
For that to work, i would have to splice into the negative on the regular horn relay then correct? Otherwise when I hit the switch to the solenoid it would start blasting because of the positive 12v right? Or am I thinking about this wrong? Thanks for the reply!
I have mine setup on 2 and 3 (horn and pump). So, I can either turn off the switches and run the stock horn, or turn on the switches and rock out the horn blasters shocker (with stock horn still blowing but who can hear it...right?).
I installed another relay and used the original horn switch to trigger either the air-horn OR the factory horn. The position of an up-fitter switch selects which horn source is used. When the switch is OFF, the steering wheel horn switch utilizes the OE horn system. However when the switch is ON, the OE horn is disabled and the steering wheel horn switch now controls the air-horn. So no separate button required to control the air-horn.
i just wired the positive wire on solenoid on the train horns straight to the positive on the factory horn.
then the ground wire straight to the frame. i feel like like the solenoid doesnt pull enough power to need a relay.
you could even put a switch in that positive wire in case you want to control it
so when i hit my horn the train horns go off.
but lets say i dont want train horns, well then i just turn off my air compressor and not fill up my air tank.
i dont drive my truck that often so my air tank is usually empty.
so if i have no air in the tank then i just have my normal horn
I fabricated a shelf from thick plastic sheet. It's mounted up and in front of the rear passenger tire. Sits up there nicely. I also have the wheel well liners that help shield from debris.
In my installation instructions, I had to connect to the truck's standard horn circuit. Thus, when I hit the horn button, I still get the standard truck horn...all the time. When I have the up fitter on, it also engages the solenoid to blow air through the train horns. The standard horn and train horns blow.
I've got one of those Graham-White air valves for my Nathan AirChime train horns.
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