Maybe I'm missing the point here, but if you're going to buy some used electrical parts from Pinwall, why not buy a used harness as well? You'll get everything the proper length, all the proper connectors, and it will match the wiring diagram in the manual. Then you could remove what you don't need (alarm, accessory outlet, light bar wiring, etc.), replace sections with heavier wire where you desire, and so on. Just an idea - if the cost is right.
