Fuel Pump Circuit Wiring Diagram (2003 4.0L V6 Ford Explorer And Mercury Mountaineer)

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles:

The wiring diagram includes the following circuits:

FUEL PUMP PRESSURE TESTS: This step-by-step guide will help you check the fuel pump's pressure output:

How To Test The Fuel Pump (2001–2003 4.0L V6 Ford Explorer And Mercury Mountaineer).

ENGINE NO-START DIAGNOSTICS: This guide walks you through the key systems to check when your engine cranks but refuses to start:

How To Troubleshoot A No-Start Problem (1991-2010 4.0L V6 Ford Explorer, Aerostar, And Mercury Mountaineer).

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