I know what you mean about the wiring. I bought on of those Mitchell on-demand CDs off ebay (never have enough info) and in the wiring diagram section they show a wiring loom drawing. Wiring comes out goes around engine bay 2x, over to passenger side, back in, under dash and ends up back where it started LOL! JK.

They may have used a standard loom and just laid it out the same way they always have on all their models.