Wiring

There is a control relay and the encoder motor on the transfer case that sound like may have gone bad. Here is a wiring diagram and a few guides to help us do some simple testing to figure out what the problem is.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check the clockwise and counterclockwise relays

Please let us know what you find. We are interested to see what it is.

Cheers, Ken