Need some ID's

Probably getting beyond anything I can help with, but just to clarify -where you are trying to go with this?... Maybe its me, but your questions seam to be kinda 'all over the place' Are you reworking one of the existing harnesses or starting over? Can't imagine anything from the 6 cyl ignition or emissions being of much use on the Hemi.
Oh, and just a thought -if your gonna use the wife's Christmas present before you give it to her, might want to stash a couple blankets in the back seat of the Duster so you have a warm place to sleep , lol.