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Home >> Ford >> 1989 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> EEC-IV Theory/Operation >> Operation >> ECA Output Controlled Components >> Fuel Pump Relay

Fuel Pump Relay

Fuel pump relay and ignition is activated by ECA when the ignition switch is in the "ON" or "START" positions. When ignition is turned on, the relay is activated to supply initial fuel line pressure to system.