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Home >> Ford >> 1991 >> Thunderbird LX, 3.8 4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 3.8L >> Fuel System Testing >> Fuel Pump Relay
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Fuel Pump Relay

Remove relay from vehicle. Connect battery voltage to terminal "C". Ground terminal "D". See Figure . 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.

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