What's a recommended method for wiring up a new 12v
fan for the Air Head composting toilet I'm installing in 23' 2008 CCD International? I removed the old toilet and box it sat on to reveal the black tank. It is staying. The Air Head will vent to the old black tank vent pipe. New box will let the Air Head sit lower to the floor. Now I'm looking for some wires to connect the Air Head's 12v
I see two wires (violet and white) escaping down under the black tank heading to the rear of the trailer somewhere. Can I splice into one of those two wires for my hot connection and keep looking for a ground (assume it will be a black wire)? Or do I need to run new wires back to the DC panel (beneath my refrigerator, I think, with the little black twisty lock to keep the door shut)?
Thanks for the tips.