For units without a 4th gear pressure port use kit. Torque converter lockup on the 700r4 transmission is controlled by the tcc solenoid.
Tc 70 Gm Torque Converter Lock Up Ron Francis Wiring
Torque converter lockup kit 700r4. This kit requires a 14 npt threaded 4th gear pressure port. 43 out of 5 stars 11. The switch will allow driver to turn the lock up function off during in town driving and on during high speedhighway driving. The 700r4 external lock up kit this kit will enable the driver to control the operation of the torque converter lock up. Tci universal lockup wiring kit for use with 2004r700r4 transmissions universal lockup wiring kit for use with 2004r700r4 transmissions includes gasket wiring harness vacuum switch 4th gear pressure switch splice connectors mounting screw instructions. In fact many retrofit hot rod 700 r4s are delivered without a functional torque converter clutch tcc lockup circuit ostensibly to prevent a modded engine and trans from hunting jumping in.
700r4 external lock up kit this kit will only work for a 700 r4 transmission with a 4th gear pressure port and working wiring harness. 50 out of 5 stars 3. The kits include everything you need for an easy installation and you dont even need a speed sensor. American autowire 500412 american autowire torque converter lockup kits compare torque converter lockup kit pressure switch in line fuse gm 200 4r 700r4 kit. Tci 376600 lock up wiring kit. Usually ships within 1 to 3 weeks.
These converter lockup kits from painless give you an inexpensive way to automatically lock up the torque converter in 4th gear when retrofitting a gm 700r4 transmission into an early non computer controlled vehicle. Amazons choice for 700r4 lockup kit. This is a non computerized 700 r4 and 200 4r lockup switch kit that allows for installation of either transmission without the factory transmission controller. Not all 700 r4 and 200 4r transmissions had this port from the factory so please verify before ordering. This easy to install lockup wiring kit for 700r4 and 2004r transmissions from tci allows hands free automatic activation of the torque converter clutch in 4th gear under stable engine operation and disengages the clutch when accelerating or down shifting. When the solenoid is engaged fluid is applied to the torque converter clutch creating lockup and a direct link between the engine and transmission.
When switch is on the transmission will not engage into lock up until transmission is in 4th gear. American autowire 500412 torque converter lockup kit 700r4 2004r transmissions.
Gallery of Torque Converter Lockup Kit 700r4
