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Sandman, if the fuel pump relay (I assume your "fuel cut off relay") is clicking on with ignition on, then your ECU is sending the correct signal. First off, make sure you have identified the correct relay. There is another one called the engine stop relay. Anyway, the fuel pump relay will click on with ignition, then click off after about 5 secs. If that happens, then just trace the brown wire from the relay to the fuel pump. The green one on the pump is a ground. Make sure its grounded.