Check out the 22R to 22RE swap thread on the Pickup and
4Runner forum. It covers most of the wiring--explains all the necessary parts. 90-up engine harnesses are separate from the body harness. Edit: After checking out your For Sale thread, strip off the body, sell it whole--somebody has rolled theirs and would need one. Sell the flatbed whole. Unplug all your harness wires and ...