[dsraven]

nice.
there are so many wiring products on the market these days you should be able to make a really nice harness with all the required circuit protection needed. one of the biggest things is knowing the load, the circuit length and then sizing the wire properly. using relays is also a great idea. auto reset breakers is also not a bad idea as long as you understand that when they "blow" there is a reason that needs to be checked out.
here are a few ideas that may help you