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Home >> Ford >> 1991 >> Explorer 2D Utility, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Modules, Motors, Relays & Solenoids >> Relays >> Fuel Pump Relay
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Fuel Pump Relay

Remove relay from vehicle. Connect battery voltage to terminal "C". Ground terminal "D". See Fig 1. Measure resistance between terminals "A" and "B". Resistance should be less than one ohm with power applied and greater than 10 k/ohms with power removed.

NOTE: For more fuel delivery system testing, see CIRCUIT TEST J in TESTS W/CODES article in the ENGINE PERFORMANCE Section.
Fig 1: Testing Fuel Pump Relay
G90C14326Courtesy of FORD MOTOR CO.