Don't forget to browse the foreign side of the yard every now and then and stick your head under the hoods to see what those Japanese and Europeans are up to. Look at this Mercedes overflow tank. Looks like it'd work nicely on a Jeep. And the build-quality is miles ahead of anything that came out of Detroit in that era. European cars especially can be a great source of waterproof fuse boxes, breakers, switches, clamps, fittings, and more. Think outside the box and don't always wander over to the American cars.