Test J: Step 22

22) Check For Fuel Pump Relay Always Closed  Turn key off. Disconnect fuel pump relay. If fuel pump turns off when relay is disconnected, replace fuel pump relay. Repeat QUICK TEST. If fuel pump does not turn off, repair short in POWER-to-PUMP or FPM circuit. On all 5.0L engines (except Mustang), check fuel pump prime plug circuit. Repeat QUICK TEST.