Remember, NEVER STOP LEARNING and no one knows everything… with that said, this was the very FIRST time I ever went to a mechanic and you will understand why by watching… Luckily Stephen at @rennhaus is a pro and had this figured out in no time! My brain kept saying, bad transfer case control unit or a bad transfer case because they are known problems on Maseratis. I even tested the large positive and negative on the transfer case control unit wiring harness, which came back fine, but what I fai