What's the best wire harness covering to use? It might depend on whether it's visible or not, but I'm working on a wire harness for the rear of the car that I want to cover. It will go over the top of my fuel tank so it won't be all that visible, and I'm using Weatherpak connectors at each end. I bought some of the corrugated plastic stuff I was going to use, and I really don't see anything wrong with it but wondered if there was anything better. Maybe something metallic burnt orange?