4.0 Engine Wiring Harness (Simplified)

[Chris_1]

Hi Guys - first time I popped the hood on a '94 Ranger and looked at the huge mass of wires leading to the engine I found the whole thing a little intimidating looking. Actually though, it's a pretty simple, if well designed system. Currently we're getting a rebuilt 4.0 ready to drop in and part of that was rewrapping the wiring - we used 3M colour coding tape on different sections of the 2 harnesses for easier identification (and mainly 'cause it looks really cool on the motor).
So anyway, for anybody out there who's not real familiar with all those plug ins and connectors on their motor I posted pictures of both harnesses and a description of where they go. Hopefully it will help take some of the confusion out of troubleshooting or engine swapping for somebody.
I had to post them to a website - you can find it at rangerswanttorun.homestead.com
If anybody goes there let me know what you think - if what it says makes sense or not or should I change anything?

 

[rangerbum]

Very nice man! That is going to be extremely helpful for me as soon as space opens up in the shop for me to do my motor swap. Thank you, and hope the swap goes smoothly, looks like its going to be awesome.

 

[natmanjoh]

Want to make one for me! Lol so tired of trying to figure out the wiring on my swap. Kinda my fault tho as I had to let someone else do the swap for me since I didn't have the room. So trying to figure out how they did the wiring to get it to run has been crazy. Will probably just have to go through and redo all the wiring from ground zero.