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There isn't one. The fuel pump receives its power from the fuel pump relay or the oil pressure switch (they are connected in parallel so that power can be provided from either source). The oil pressure switch provides power to the pump when the oil pressure reaches 4 PSI. The Fuel Pump relay supplies power to the pump when it receives a signal from the ignition switch. They are no other switches or interupts in the circuit

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18y ago

What else can I help you with?