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.