Originally Posted by 52 mike
when i put 700r4 in gear engine dies, nothing plugged into tc lockup connector. i ohmed out connector and got 0 on all three terminals, and putting 12v to it does nothing. it sounds like lockup may be on all the time?
The Trans is designed to only Lock the TCC/TorqueConverterClutch in 2nd, 3rd, & 4th gears. If it's Locking up in 1st/Low or Reverse, either the TCC is damaged or you have a Lockup TC installed in a Trans that has been converted to use a Non-Lockup TC.