Yup. Almost done that a couple times. The auto switch is wired into the brake switch, but the manual is just a strait power source to the tranny. A couple times I've left it in 3rd, locked it up, come to a stop and almost died. The hard jerk when it downshifts into 2nd locked up usually reminds...
Unfortunatley [only because thats not somthing I can check] the manual lockup switch overrides the brake switch and will keep the TC locked up if it worked correctly.
Hey guys. This 2004R is in a 79 c10 pickup. It came out of either a t-type or GN. It was built by bowtie overdrives in california, and has about 10,000miles on it and only about 3000miles on the torque convertor. The problem started on my way back from las vegas, a 6hr trip. 10min from home on...