Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 13 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTS - EEC-V - GASOLINE)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULEGROUND CIRCUITS
2004 Ford Econoline E150, Van Cargo, 4.6 W
Ground Circuits
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Ground Circuits
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Mercury Sable, 2002 Mercury Mountaineer, 2002 Mercury Grand Marquis, 2002 Mercury Cougar, and 2002 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off. Locate Powertrain Control Module (PCM). See POWERTRAIN CONTROL MODULE LOCATION table. Using a DVOM, check continuity between ground and PCM connector terminals. See IDENTIFYING PCM GROUND TERMINALS table. See Figure or Figure
. If continuity does not exist, repair open ground circuit as necessary. If continuity exists, go to next step.POWERTRAIN CONTROL MODULE LOCATION
Application Location Blackwood, Expedition, Explorer, Explorer Sport, Explorer Sport Trac, F150 Pickup, Mountaineer & Navigator Right Rear Of Engine Compartment, Mounted On Cowl Continental, Escape, Ranger & Town Car Center Of Engine Compartment, Mounted On Cowl Cougar, LS, Sable, Taurus, Thunderbird & Windstar Right Rear Of Engine Compartment, Mounted On Cowl Crown Victoria & Grand Marquis Behind Left Kick Panel, Near Instrument Panel Econoline Left Rear Of Engine Compartment, Near Brake Master Cylinder Escort Center Of Instrument Panel, Below Center Console Excursion & F250-550 Behind Left Side Of Instrument Panel, Near Brake Pedal Focus & Mustang Behind Right Kick Panel IDENTIFYING PCM GROUND TERMINALSApplication PCM Ground Terminal No. Blackwood 3, 25, 51, 76 & 103 Continental, Crown Victoria, F150 Pickup (Lightning 5.4L SC), Grand Marquis, Mustang (4.6L) & Town Car 3, 51, 77 & 103 Cougar 24, 25, 51, 77 & 103 Econoline 4.2L 24, 51, 76, 77 & 103 4.6L & 5.4L Gas 3, 24, 51, 76, 77 & 103 5.4L NGV 3, 24, 25, 51, 77 & 103 6.8L 3, 23, 24, 51, 76, 77 & 103 Escape 24, 25, 51, 76, 77 & 103 Escort & Focus (2.0L) 24, 51, 77 & 103 Excursion & F250-F550 (5.4L & 6.8L) 3, 23, 24, 51, 76, 77 & 103 Expedition & Navigator (4.6L & 5.4L Gas), F150 Pickup (4.6L & 5.4L, & 5.4L NGV), & Mustang (3.8L) 3, 51, 76 & 103 Explorer Sport, Explorer Sport Trac & F150 Pickup (4.2L) 24, 51, 76, 77 & 103 Explorer, LS, Mountaineer & Thunderbird A24, A25, A26, A27 & A43 Ranger, Sable, Taurus & Windstar 24, 25, 51, 76, 77 & 103 - Touch DVOM negative lead to a good ground. With vehicle running, use DVOM positive lead to backprobe each ground terminal. DVOM should indicate less than one volt. If reading is more than one volt, check for open, corrosion or loose connection on ground circuit.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.