1990 Mercury Grand Marquis Electrical system Problems
- Complaints
- 13about this part
- Share
- 23%of 56 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 13 complaints about the electrical system of the 1990 Mercury Grand Marquis, 23% of the 56 complaints for this model year. 4 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.
“I was proceeding home in evening rush hour traffic when the car engine quit instantaneously. I was forced to stop in the right lane of traffic. Although in the right lane I could not pull off of the road because there was a barrier with no shoulder for me to pull onto. Fortunately I was not hit by another car although I was sitting where traffic had to stop abruptly and swerve to avoid hitting me. The car was sitting in traffic until a tow truck arrived approximately one hour later. …”
NHTSA complaint #750972, filed 2001-08“Wiring harness shorted out, causing all lights inside vehicle, as well as tail lights and park lights to stay on. In addition, fuse burned and melted. Repairs made at owner's expense.”
NHTSA complaint #836106, filed 1999-03“Vehicle was driven approximately one mile and parked. Upon exiting the vehicle, the operator noticed smoke coming from under the hood. After opening the hood, the operator identified the source of the smoke as the alternator. Operator continued to observe the vehicle and noted that the volume of smoke was increasing. After approximately two minutes, the alternator burst into flames. Arcing was seen and heard within the alternator. The alternator had been previously replaced by fette ford in wayne, nj in sept 1999 and, upon subsequent failure, again in approximately jan 2000. …”
NHTSA complaint #738760, filed 2001-01“Fire erupted under hood while driving; detected extreme amount of fumes; stopped vehicle, shut off ignition; flames burst out with loud noise; totaled. Tt”
NHTSA complaint #976459, filed 1995-12Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2011 | 3 | 33% |
| 2010 | 3 | 12% |
| 2009 | 4 | 15% |
| 2008 | 9 | 11% |
| 2007 | 1 | 1% |
| 2006 | 8 | 6% |
| 2005 | 75 | 15% |
| 2004 | 40 | 11% |
| 2003 | 51 | 14% |
| 2002 | 10 | 13% |
| 2001 | 13 | 8% |
| 2000 | 17 | 10% |
| 1999 | 15 | 9% |
| 1998 | 15 | 10% |
| 1997 | 12 | 4% |
| 1996 | 16 | 7% |
| 1995 | 20 | 11% |
| 1994 | 10 | 6% |
| 1993 | 20 | 14% |
| 1992 | 41 | 16% |
| 1991 | 21 | 26% |
| 1990 | 13 | 23% |
| 1989 | 16 | 28% |
| 1988 | 36 | 49% |
| 1987 | 19 | 44% |
| 1986 | 11 | 52% |
| 1985 | 11 | 52% |
| 1984 | 5 | 33% |
| 1983 | 2 | 29% |
Other parts of the 1990 Mercury Grand Marquis
9 complaintsVehicle speed control
9 complaintsBrakes
8 complaintsTransmission and drivetrain
6 complaintsEngine cooling
3 complaintsBody and structure
3 complaintsFuel system
2 complaintsOther or unknown
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsEngine
1 complaintsSeats
1 complaintsTires
1 complaints
← All problems reported for the 1990 Mercury Grand Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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