Horn ring help needed

[nhfirefighter]

Hi All,

I have a PA300 I want to wire the horn ring to a momentary switch instead of the vehicle horn. Looking for some advise on the proper way to wire. I see there are two wires on the harness related to the horn ring. One is to go to “horn” and the other to “horn switch”. Any thoughts on which one I should use? Also I thought I read in a thread somewhere that vehicle horns are usually negative switched. Can anyone confirm if this makes sense?

Thanks for any help!

 

[MtnMan]

Connect the horn switch (or “horn ring”) wire to one terminal of your momentary switch. Connect the the other terminal to ground or +12V, whichever is convenient. The PA300 will detect either ground or positive polarity.

 

[nhfirefighter]

Connect the horn switch (or “horn ring”) wire to one terminal of your momentary switch. Connect the the other terminal to ground or +12V, whichever is convenient. The PA300 will detect either ground or positive polarity.

Thanks for the input, I will give it a try this weekend and report on the progress.