Horn ring switch / momentary switch question

2004wm

New Member
I recently bought a 200 watt Federal Signal PA300 unit, that I want to replace my Whelen PAP112 with. The PAP112 is simply an electronic airhorn, with no controls on the box itself. It is wired to a momentary switch I installed in my dash.

I'm planning on using the PA300 only for the airhorn and PA functions. I see it has a horn ring wire on the wiring harness, and the manual shows instructions to wire the airhorn to the vehicles horn ring switch.

My question is, can this PA300 simply be wired to the momentary switch that's already in my dash?

Switch that I have installed: https://www.amazon.com/gp/product/B0197W7F2C/?tag=elightbars-20
 

Jarred J.

Archive Expert
Silver Supporter
as long as it has the proper +/- connection the siren doesnt care
 

MtnMan

Senior Member
Connect the HORN RING wire to your existing momentary switch and leave the HORN wire unconnected. The PA300 will work with either positive or negative input polarity.
 

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