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Home >> Nissan-Datsun >> 1994 >> Sentra SE-R, Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel System >> Fuel Delivery >> Fuel Pump Relay

Fuel Pump Relay

Fuel pump relay receives current from battery or from the ignition switch when switch is in the ON position. Relay is energized when a ground is supplied at ECM terminal No. 104. This causes relay contacts to close, delivering battery voltage to the in-tank fuel pump.