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Discussion Starter #1
I need to see a diagram of the wiring for the horn... im putting a train horn on my truck..i know that the yellow/red wire is the horn wire.but its a negative..i seen a post on the 6.0 forum..but i think the wires r different..i know someone has to have a train horn on the 6.4 forum..please help
 

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TDG #97
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All ya gotta do is take the two wires going to the stock horn and run them to the terminals of the solenoid.. then when you honk instead of the stock horn sounding it will open the solenoid and the air horns will sound...
 

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Discussion Starter #3
i know that...and really i need one wire to go back...the positive side..but i want to toggle it up front on the dash...so i want to cut the existing horn harness positve wire..use it as the power..then on the toggle..up is stock and down would be the solenoid...problem is that the harness has a negative wire on the horn its a yellow/red wire...i need the positive side one
 

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i know that...and really i need one wire to go back...the positive side..but i want to toggle it up front on the dash...so i want to cut the existing horn harness positve wire..use it as the power..then on the toggle..up is stock and down would be the solenoid...problem is that the harness has a negative wire on the horn its a yellow/red wire...i need the positive side one
you can put the negative on a switch. just run constant power to the solenoid like the stock horn and have the negative on the switch. simple.

Garrett
 

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i didnt know that would work thanks SSpeedDemon
hey, it works for the stock horn right? if you were to take the stock horn off and rig it to a positive switch, it would work too.

and for some reason, i didnt think of it when i was hooking mine up. :damnit

Garrett
 

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Chirpin Tires...
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you get your kid to draw that for you :poke :haha :haha
 

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jajaja...its hard to draw with the laptop touchpad...gimme a break..and im sure u get the idea!
hmm, i dont get the idea. you used the stock positive wire for the horn onto a toggle switch for the air solenoid? or you used the ground? i dont understand your drawing.

Garrett
 

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Discussion Starter #11
i got power from the positive side of horn..then went to middle toggle post..then came back to horn from the left side...then off to the solenoid from the right side post..it helps that the horn is on the left side of the truck..and there is a neat little hole in the firewall
 

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i got power from the positive side of horn..then went to middle toggle post..then came back to horn from the left side...then off to the solenoid from the right side post..it helps that the horn is on the left side of the truck..and there is a neat little hole in the firewall
so when you toggle the switch to the train horn, it goes off?

Garrett
 

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Discussion Starter #13
no..u have to hit the wheel horn button...im not sure on how the trucks wiring works...but my way works..cut the positive horn wire..run to middle of toggle..and each side go to solenoid other side to stock horn where u cut it...very simple way..and u use the horn button so its a clean look
 

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no..u have to hit the wheel horn button...im not sure on how the trucks wiring works...but my way works..cut the positive horn wire..run to middle of toggle..and each side go to solenoid other side to stock horn where u cut it...very simple way..and u use the horn button so its a clean look
ah, ok, so its using a negative trigger still.

Garrett
 
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