This will cause the relay valve to move up and also to reconfigure the oil move circuit in this type of way that force is applied to the back on the clutch and engages it. To disengage the clutch, strain is removed from the reduce finish in the signal valve https://torque-converter-clutch74951.diowebhost.com/89232858/5-tips-about-torque-converter-clutch-you-can-use-today