Yes, you do need to remove the diamond plate that the compressor mounts to. I've had mine for a while now and have 0 issues with it. It's been on every romp and is still sitting tight and airing up like a champ. The one thing I would recommend is to get a little cap to put over the air fitting when not in use, that way it keeps dust from getting in there. As for wiring, no use to wire it to one of the aux switches, you're out of the truck when using it anyway......I have my cables run nice, neat and out of sight to the battery and have them secured on the side of the battery tray. That way when it's time to use them, I just hook them up and tuck them back in when I'm done. I keep the bag it comes in under my back seat, holding not just the hose and accessories but some tools, gloves and what not.