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How Does 700R4 Lock Up Work? [Solved]

The TCC solenoid engages, locking up the converter. When the trans downshifts to Third gear, the pressure switch opens, interrupting flow through the relay to unlock the TCC solenoid. Alternatively, the driver can unlock the converter at any time by toggling the dash switch to the “Off” position.18 Aug 2017

What is Lock Up? Curt Explains how lock up works

Curt addresses a common question : ‘what is

TCI: 200R4/700R4 Lock-up Kit

Will Vance goes over internal wiring installation on the TCI 200R4/

How to Install a Lock-Up Kit 700R4 | Curt’s Corner at Monster Transmission

700R4 Lock