I always suggest you eliminate the torque converter in the transmission to diagnose it correctly. Slippage consumes electric power in the coupling period. Locking the converter shell towards the turbine shaft helps prevent this slippage from happening. Quite a few fashionable automatics have also added around 10 forward gears so https://torqueconverterclutch75296.goabroadblog.com/33073821/torque-converter-clutch-an-overview