Skip to content
Electrical systemPart report

1984 Ford Mustang Electrical system Problems

Complaints
9about this part
Share
50%of 18 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the electrical system of the 1984 Ford Mustang, 50% of the 18 complaints for this model year. 3 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Vehicle has faulty ignition switch due to wiring being corroded. This caused electrical system to interact, performing poorly. Please describe details.”

NHTSA complaint #8017302, filed 2002-08

“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. …”

NHTSA complaint #756276, filed 2002-01

Electrical system: other model years

YearComplaintsShare of year
2026225%
2025526%
20244048%
2023533%
2022714%
2021611%
20202621%
20193221%
20183116%
20173413%
20167319%
20156815%
2014113%
2013187%
2012214%
2011245%
2010114%
200974%
2008154%
2007335%
2006317%
200522532%
200433%
2003107%
200298%
2001106%
2000175%
1999105%
1998125%
199785%
1996114%
1995376%
1994226%
19933131%
19922942%
19913140%
19903541%
19894642%
19885652%
19871745%
19861137%
1985319%
1984950%
1983360%

Other parts of the 1984 Ford Mustang

Engine cooling
4 complaints
Steering
3 complaints
Equipment
2 complaints
Seat belts
2 complaints
Brakes
1 complaints
Interior lighting
1 complaints
Other or unknown
1 complaints
Tires
1 complaints
Transmission and drivetrain
1 complaints
Vehicle speed control
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 1984 Ford Mustang

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology