NHTSA Campaign 94V056000

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Issued by FORD MOTOR COMPANY · Reported Mar 26, 1994 · 3,660 vehicles affected

What's wrong

SYSTEM: ELECTRICAL SYSTEM; BATTERY. VEHICLE DESCRIPTION: MEDIUM DUTY SCHOOL BUS CHASSIS EQUIPPED WITH HYDRAULIC BRAKES, TILT HOODS, 5.9L, 6.6L OR 7.6L DIESEL ENGINES OR 6.1L OR 7.0L GASOLINE ENGINES AND ORIGINALLY SOLD OR CURRENTLY REGISTERED IN CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA ,RHODE ISLAND, VERMONT, AND WISCONSIN. THE BATTERY POWER JUNCTION BLOCK MOUNTED ON THE RIGHT FENDER APRON, WHICH SERVES AS AN ELECTRICAL CONNECTION POINT FOR SEVERAL ENGINE COMPARTMENT SYSTEMS, IS SUSCEPTIBLE TO ROAD SPLASH. THE TERMINALS AT THE JUNCTION BLOCK CAN EXPERIENCE CORROSION AND CAN FRACTURE, CAUSING LOSS OF ELECTRICAL POWER AND ENGINE SHUTDOWN.

Consequence

ENGINE SHUTDOWN, LOSS OF POWER STEERING ASSIST, OR LOSS OF HYDRAULIC BRAKE BOOST CAN OCCUR WHICH MAY RESULT IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Remedy

DEALERS WILL REPLACE THE JUNCTION BOX, MAIN POWER TERMINAL THE STARTER OR STARTER RELAY AND TERMINALS AT THE EXISTING JUNCTION BLOCK. THE WIRING OF THE HYDRAULIC BRAKE CIRCUIT WILL ALSO BE MODIFIED BY BYPASSING THE JUNCTION BLOCK. THE NEW TERMINALS WILL BE MADE FROM AN ALLOY MATERIAL MORE RESISTANT TO SALT CORROSION.

Vehicles affected by this recall

Make Model Year Units
FORD B600 1987 3,660
FORD B600 1988 3,660
FORD B600 1989 3,660
FORD B600 1990 3,660
FORD B600 1991 3,660
FORD B600 1992 3,660
FORD B600 1993 3,660
FORD B600 1994 3,660
FORD B700 1987 3,660
FORD B700 1988 3,660
FORD B700 1989 3,660
FORD B700 1990 3,660
FORD B700 1991 3,660
FORD B700 1992 3,660
FORD B700 1993 3,660
FORD B700 1994 3,660

Source: NHTSA Campaign 94V056000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.