a while back i swapped a fuel injected 4.0 Ford motor into a Ranger that did not have efi. Really was not all that tough, just started at the computer, numbered each wire and did not terminate everything until i had everything in there. took several days, but i was working 10 hours a day at the time. when i get my car together i will have to wire it. mice had a field day, and with all the added electronics, efi, trans controller, fuel pump controller, head lamp relays etc it just does not make much sense to just try to use a factory style harness. i have not found my notes as to part numbers for pig tails etc, but i am looking.....