Re: painless wiring
I am installing the 10110 kit in my '81 CJ7 right now. It's taking me a little longer because I'm putting on a 'glass body. Also, I'm wiring up a custom dash with Autometer guages plus a chevy 350 under the hood. Most of the wiring is terminated with the proper connectors, and they supply extra connectors for the wires that are plain. Most of the harness is wrapped with plastic wiring loom. It also includes new bulbs for all of the guages and the side marker lights. I am impressed with the kit's quality and it is pretty complete. The kit comes in 3 major sections: engine bay wiring and bulkhead; tub wiring (all the guages, switches, lights, etc) with the fuse panel; and the taillight wiring. Overall it's pretty simple to install; you just have to take time to dress the wires once everything is hooked up.
I've also heard good things on the Centech harness, but I don't have any experience with it.