Another magnum swap thread
I'm sure they'll let you look at it. If they have an electronic version, see if they'll print the page off. A friend has access to a 94-97 2500 with a salvage title but it only has 88k miles on it. He would like to swap the 360 from it into an 85 d250 so i'll be learning OBD2 wiring as well. I'll probably be able to go to where I can access Alldata on Thursday, so if you aren't able to get what you need from the dealership I'll gladly get it for you. I'm also going to get the pinout for a v10 truck too to see how difficult it'd be to modify one of those harnesses.
I would think you would remove all of the stuff for the gauges, since they are probably different resistances. The OBD2 port is only like a 4 wire hookup, so you'd probably want to keep it for the diagnostics.
Also, Piggyback on here as much as you want. My goal is to have a bunch of people (or at least a few with good info) post on here so we can get this info confined to a small space.