1984 Mercury Marquis Electrical system Problems
- Complaints
- 5about this part
- Share
- 50%of 10 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the electrical system of the 1984 Mercury Marquis, 50% of the 10 complaints for this model year. 1 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 lost all electrical power while going down the highway at 65 MPH. Pulled over and after several attemps the car started, but when you put it into gear it would lose electrical power. After investigating, I found the ignition wiring separated from its housing.”
NHTSA complaint #730414, filed 2000-09Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2004 | 3 | 25% |
| 2003 | 4 | 12% |
| 2002 | 1 | 9% |
| 2001 | 3 | 12% |
| 2000 | 1 | 4% |
| 1999 | 3 | 13% |
| 1998 | 1 | 3% |
| 1996 | 2 | 6% |
| 1995 | 1 | 5% |
| 1994 | 6 | 20% |
| 1993 | 4 | 17% |
| 1992 | 5 | 21% |
| 1991 | 3 | 33% |
| 1990 | 2 | 33% |
| 1989 | 4 | 40% |
| 1988 | 4 | 44% |
| 1985 | 1 | 20% |
| 1984 | 5 | 50% |
Other parts of the 1984 Mercury Marquis
3 complaintsTransmission and drivetrain
3 complaintsBody and structure
2 complaintsBrakes
1 complaintsEngine cooling
1 complaintsEquipment
1 complaintsExterior lighting
1 complaints
← All problems reported for the 1984 Mercury Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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