Transfer wiring question

[4Robinsons]

Have a 99 suburban with 4l60e and np8 in it... both quit at same time so replaced with a 4l60e and np1 from a 97 suburban...hooked all up and chased wiring n did some splicing n replacing off connectors...trans shifts and drives fine...speedo works can push 4wd button n it goes in but won't go back to 2wd by button and when parked it n started it back up the transfer was in neutral so had to remove shift motor and manually put it in 2wd for now...want to know if anyone has done this swap and can tell me how to wire the encoder motor and transfer switch the right way to work or has transfer wiring diagram of both year transfers so I can figure out myself...any help or ideas appreciated...thanks