COMPONENT OPERATION / Drive Unit Side View of Transmission T4GC-03-09-005 1 - Converter Inlet Pressure Port 10 - Parking Brake Release Pressure Inlet 2 - Regulator Valve 5 - Reverse Clutch Pressure Port 4 - Forward Clutch Pressure Port 7 - 2nd Speed Clutch Pressure Port 11 - Parking Brake Pressure Switch Port 3 - Regulator Pressure Port 6 - 1st Speed Clutch Pressure Port 8 - 3rd Speed Clutch Pressure Port 9 - 4th Speed Clutch Pressure Port T3-9-7 3 2 1 4 35 6 7 10 8 9 11 3 2 1 4 35 6 7 8 9