Quote Originally Posted by Brian99SE View Post
Unplug the round connector at the top of the transmission and see if you get any movment, Assuming its a 4T65E. Sounds like what happened to me, and im in the process of swapping my trans right now.
I unplugged the round electrical conector and the car wont even start. at this point the trans has to come out regardless and i am at my work right now getting ready to drop the sub frame and asess it from there