FaultScore

1984 Ford Mustang electrical problems

14 of the 35 complaints about the 1984 Ford Mustang are about the electrical system — 40% of everything reported for this model year.

F

14

Complaints

0

Crashes

4

Fires

0

Injuries

Exactly what failed

Ignition 4 28.6%
Module 3 21.4%
Switch 3 21.4%
Interior/Under Dash 2 14.3%
12V/24V/48V Battery 1 7.1%
Wiring 1 7.1%

Electrical System across every Ford Mustang year

1984 14 1.2%
1986 11 1.0%
1987 17 1.5%
1988 60 5.2%
1989 49 4.3%
1990 42 3.7%
1991 38 3.3%
1992 31 2.7%
1993 34 3.0%
1994 26 2.3%
1995 39 3.4%
1996 12 1.0%
1997 10 0.9%
1998 15 1.3%
1999 11 1.0%
2000 17 1.5%
2001 10 0.9%
2002 10 0.9%
2003 10 0.9%
2005 231 20.1%
2006 31 2.7%
2007 35 3.0%
2008 16 1.4%
2010 10 0.9%
2011 24 2.1%
2012 21 1.8%
2013 18 1.6%
2014 11 1.0%
2015 66 5.7%
2016 72 6.3%
2017 34 3.0%
2018 31 2.7%
2019 32 2.8%
2020 25 2.2%
2024 35 3.0%

What owners said

Filed with NHTSA, in their own words.

Tampa, FL

ELECTRICAL SYSTEM:IGNITION:SWITCH

VEHICLE HAS FAULTY IGNITION SWITCH DUE TO WIRING BEING CORRODED. THIS CAUSED ELECTRICAL SYSTEM TO INTERACT, PERFORMING POORLY. PLEASE DESCRIBE DETAILS.

NHTSA complaint #8017302 — an unverified report by a vehicle owner.

Tampa, FL

ELECTRICAL SYSTEM:IGNITION

VEHICLE HAS FAULTY IGNITION SWITCH DUE TO WIRING BEING CORRODED. THIS CAUSED ELECTRICAL SYSTEM TO INTERACT, PERFORMING POORLY. PLEASE DESCRIBE DETAILS.

NHTSA complaint #8017302 — an unverified report by a vehicle owner.

Ventura, CA

ELECTRICAL SYSTEM:IGNITION

WHEN THIS CAR STALLS IT WILL FIRST NOT HOLD A STEADY IDLE. THERE ARE OTHER TIMES WHEN THIS CAR WILL BE WATING ATA A LIGHT AND THE IDLE WILLL KICK UP TO OVER 2000 RPM. WHEN THIS HAPPEND THE ENGINE WILL TRY TO ENGAGE AND THE CARE WILL LURCH FORWARD. THE STALLING PROBELM HAS BEEN ONGOING SINCE THE VEHICLE WAS NEW. DURING THE WARRANTY PERIOD THIS WAS ADDRESS BY A DEALER IN DAVIS, CA. AT THE TIME THE DEALR SAID THIS WAS HAPPENING BECAUSE OF A FAULTY "PROCESSOR" IT WAS REPLACED AND THE CAR RAN OKAY FOR A FEW MONTHS. HOWEVER, THE PROBLEM RETURNED. I DID NOT CONTACT THE DEALER AGAIN ABOUT THE PROBLEM. THE WARRANTY PERIOD EXPIRED . THIS PROBLEM CONTINUED. I LEARNED TO LIVE WITH IT AND DRIVE THE CAR. OVER THE YEARS VARRIOUS MECHANICS HAD LOOKED AT THE CAR AND ATTEMPTED TO MAKE ADJUSTMENTS TO CORRECT THE IDLE, BUT THE PROBLEM ALWAYS RETURNED. I THOUGHT THIS PROBLEMS WAS UNIQUE TO MY VECHICLE, BUT I AM AWARE OF A JUDGMENT AGAINST FORD IN A CALIFORNIA COURT IN WHICH VEHICLES WITH THE EFT SYSTEM HAVE BEEN KNOWN TO STALL. THIS REPRESENTS A SIGNIFICANT SAFETY ISSUE AND I WOULD LIKE TO SEE A RECALL ISSUSED SO THAT FORD CA REPAIR THESE VEHICLES REGARDLSS OF AGE.

NHTSA complaint #756276 — an unverified report by a vehicle owner.

Ventura, CA

ELECTRICAL SYSTEM:IGNITION:MODULE

WHEN THIS CAR STALLS IT WILL FIRST NOT HOLD A STEADY IDLE. THERE ARE OTHER TIMES WHEN THIS CAR WILL BE WATING ATA A LIGHT AND THE IDLE WILLL KICK UP TO OVER 2000 RPM. WHEN THIS HAPPEND THE ENGINE WILL TRY TO ENGAGE AND THE CARE WILL LURCH FORWARD. THE STALLING PROBELM HAS BEEN ONGOING SINCE THE VEHICLE WAS NEW. DURING THE WARRANTY PERIOD THIS WAS ADDRESS BY A DEALER IN DAVIS, CA. AT THE TIME THE DEALR SAID THIS WAS HAPPENING BECAUSE OF A FAULTY "PROCESSOR" IT WAS REPLACED AND THE CAR RAN OKAY FOR A FEW MONTHS. HOWEVER, THE PROBLEM RETURNED. I DID NOT CONTACT THE DEALER AGAIN ABOUT THE PROBLEM. THE WARRANTY PERIOD EXPIRED . THIS PROBLEM CONTINUED. I LEARNED TO LIVE WITH IT AND DRIVE THE CAR. OVER THE YEARS VARRIOUS MECHANICS HAD LOOKED AT THE CAR AND ATTEMPTED TO MAKE ADJUSTMENTS TO CORRECT THE IDLE, BUT THE PROBLEM ALWAYS RETURNED. I THOUGHT THIS PROBLEMS WAS UNIQUE TO MY VECHICLE, BUT I AM AWARE OF A JUDGMENT AGAINST FORD IN A CALIFORNIA COURT IN WHICH VEHICLES WITH THE EFT SYSTEM HAVE BEEN KNOWN TO STALL. THIS REPRESENTS A SIGNIFICANT SAFETY ISSUE AND I WOULD LIKE TO SEE A RECALL ISSUSED SO THAT FORD CA REPAIR THESE VEHICLES REGARDLSS OF AGE.

NHTSA complaint #756276 — an unverified report by a vehicle owner.

SAN Diego, CA

ELECTRICAL SYSTEM:IGNITION

IGNITION MODULE FAILED PRIOR TO RECALL.ALSO REPLACED THERMOSTAT AND HEATER HOSE.

NHTSA complaint #526397 — an unverified report by a vehicle owner.

SAN Diego, CA

ELECTRICAL SYSTEM:IGNITION

IGNITION MODULE FAILED PRIOR TO RECALL.ALSO REPLACED THERMOSTAT AND HEATER HOSE.

NHTSA complaint #526397 — an unverified report by a vehicle owner.

Columbia, MD

ELECTRICAL SYSTEM:IGNITION:SWITCH

IGNITION SWITCH OVERHEATED, SMELL OF SMOKE IN INTERIOR, COULD CAUSE FIRE.

NHTSA complaint #813552 — an unverified report by a vehicle owner.

Riverside, CA Fire

ELECTRICAL SYSTEM:IGNITION:SWITCH

IGNITION SWITCH SHORTED, CAUSING FIRE. *DSH

NHTSA complaint #504144 — an unverified report by a vehicle owner.

Fort Myers, FL Fire

ELECTRICAL SYSTEM:WIRING

AFTER SHUTTING OFF, VEHICLE CAUGHT ON FIRE. FORT MYERS CITY FIRE DEPT., ELECTRICAL FAILURE CAUSE OF FIRE. PLEASE DESCRIBE DETAILS.

NHTSA complaint #984479 — an unverified report by a vehicle owner.

Millington, MI Fire

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

INTERIOR COMPARTMENT FIRE WHILE DRIVING THE VEHICLE, FIRE ORIGINATED INSIDE THE DASHBOARD.

NHTSA complaint #983019 — an unverified report by a vehicle owner.

Millington, MI Fire

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

INTERIOR COMPARTMENT FIRE WHILE DRIVING THE VEHICLE, FIRE ORIGINATED INSIDE THE DASHBOARD.

NHTSA complaint #983019 — an unverified report by a vehicle owner.

Philadelph, PA

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

BATTERY FAILED.

NHTSA complaint #485098 — an unverified report by a vehicle owner.

LOS Gatos, CA

ELECTRICAL SYSTEM:IGNITION:MODULE

VEHICLE STALLS WHILE DRIVING AT HWY SPEEDS, COMPUTER MODULES HAS BEEN REPLACED THREE TIMES.

NHTSA complaint #979890 — an unverified report by a vehicle owner.

LOS Gatos, CA

ELECTRICAL SYSTEM:IGNITION:MODULE

VEHICLE STALLS WHILE DRIVING AT HWY SPEEDS, COMPUTER MODULES HAS BEEN REPLACED THREE TIMES.

NHTSA complaint #979890 — an unverified report by a vehicle owner.

← Full 1984 Ford Mustang report