Vehicle Make / Model: Model Year(s):
- FORD / BRONCO II 1986
- FORD / RANGER 1986
Manufacturer: FORD MOTOR COMPANY
Report Receipt Date: SEP 24, 1985
NHTSA CAMPAIGN ID Number: 85V116000 NHTSA Action Number: N/A
Component: ELECTRICAL SYSTEM: WIRING: FRONT UNDERHOOD
Potential Number of Units Affected: 7,886
Summary:
THE ELECTRONIC ENGINE CONTROL WIRING HARNESS INSULATION MAY BE DAMAGED DUE TO COPPER SPIKES PRODUCED DURING THE WELDING OF ITS WIRES. THIS CREATES A POTENTIAL FOR A SHORT CIRCUIT BETWEEN THE WIRES WHICH ENERGIZE THE FUEL PUMP, CAUSING SOME FUEL INJECTORS TO OPEN, DISCHARGING FUEL INTO THE ENGINE. CONSEQUENCE OF DEFECT: FUEL DISCHARGED INTO THE ENGINE WOULD EVENTUALLY LEAK THROUGH THE EXHAUST SYSTEM TO THE GROUND. THIS COULD RESULT IN A FIRE IF A SOURCE OF IGNITION IS PRESENT.
Consequence:
SEE ABOVE.
Remedy:
REPAIR WIRING HARNESS, CHECK ENGINE AND CATALYST FOR DAMAGE.
Notes:
VEHICLE DESCRIPTION: LIGHT TRUCKS EQUIPPED WITH 2.9 LITER ENGINE. SYSTEM: ELECTRONIC ENGINE CONTROL WIRING HARNESS.
About The Author
Jim Oaks is the founder of The Ranger Station (TRS), one of the longest-running Ford Ranger enthusiast communities on the web. He has spent over three decades owning, modifying, repairing, and driving Ford Rangers on the street, trail, and overlanding routes.
Since launching TheRangerStation.com in 1999, Jim has documented thousands of real-world Ranger builds, technical repairs, drivetrain swaps, suspension modifications, and off-road adventures. TRS has been heavily referenced by enthusiasts, mechanics, and off-road builders looking for practical, experience-based information.