Found this after days of searching. I think this may solve all of my problems I have to look at the wiring again. If anyone else has more info I'd appreciate the help.
Can I ask you what is that part an whats it do an what year make an model truck?
Transfer case 1996 3500 borg warner 4401
3500s that the 4401 came in have another sensor in the front diff to get it in sync before engaging. im not sure if that will cause you an issue or not with what you are...