Upfitter Switches
Posting Guru
Joined: Jul 2006
Posts: 1,737
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From: Republic of Texas
Nope sorry . . .
No, these are live wires and to do a relay on a dual horn set up all you need is a DTSP switch. The horn on your steering wheel is a negitive ground wire (Blue) that runs down the steering wheel on the lower right side. It grounds the horn connection when you press the horn button.
You could use an upfitter for powering the compresor so you can turn it off when you want. There are several threads on this. Look through some of the older ones like last Aug or Sept. I did a minor setup w/ small compresor, see gallery, and put the switch on the dash, to the right of the steering wheel.
You could use an upfitter for powering the compresor so you can turn it off when you want. There are several threads on this. Look through some of the older ones like last Aug or Sept. I did a minor setup w/ small compresor, see gallery, and put the switch on the dash, to the right of the steering wheel.
Senior User
Joined: Oct 2004
Posts: 151
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You may be able to do this with a black box containing a switching relay. The relay could switch circuits depending on whether or not it has power to it and the switched power could come from one of your upfitter switches. Now you have exausted me and my wiring knowledge. Time for a nap.
Posting Guru
Joined: Jul 2006
Posts: 1,191
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From: New York
Originally Posted by davidwruth
Has any body wired airhorns with a compressor and air tank usig the upfitte switches to toggle between factory horns and air horns and if so how did you do it
