12v... Unless for some odd reason you are running a 24v system in your Jeep...
Just an idea, but have you thought of the twin with tank in a portable case? That’s what I ended up going with because I wanted to be able to switch it to different vehicles if needed. It’s not too much more and requires no wiring. That’s what I went with and like that I can throw it in my truck if I’m going on a trip without the Jeep and need to air up for some reason.
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