1991 Mercury Grand Marquis Electrical system Problems
- Complaints
- 21about this part
- Share
- 26%of 82 total for the year
- Median mileage
- 79,994miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 21 complaints about the electrical system of the 1991 Mercury Grand Marquis, 26% of the 82 complaints for this model year. Where a mileage was given, the median is 79,994 miles. 11 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“After parking vehicle in driveway consumer was emptying the trunk and noticed smoke coming from under the hood. A fire soon erupted from the passenger's side under the hood, and was quickly extinguished. After careful examination of the results, it was determined by a certified mechanic that the alternator and the cable harness caused the fire.”
NHTSA complaint #10034051, filed 2003-08, 74,000 miles“This part is currently involved in class action lawsuit in san francisco in the alameda county superioir court. Judge michael ballachey has issued a preliminary decision to order a recall on as many as 2 million vehicles model years 1983-95. Unfortunately, I couldn't wait for the recall since my vehicle had stalled twice in the last 2 months. I felt I had to payfor a artial correction (new part relocated in the same space) and wait out the results of the law suit. …”
NHTSA complaint #730341, filed 2000-09“Smoke was noticed coming from hood area. When trying to pull to side vehicle did not respond due to wires that were burnig under the hood. These were the altenator wires that shorted out. Dealer has been contacted. The fire from the terminals damaged all the insulation and the wiring of the alternator terminals under the hood.”
NHTSA complaint #873465, filed 2000-10“Was at red light. Noticed smoke from under hood. Pulled to side of road & lifted hood. Noticed flames around the alternator. Another motorist smothered flames with back pack. Vehicle towed to service station. Was informed by mechanic alternator & wiring harness had to be changed to alternator caught on fire & melted wires.”
NHTSA complaint #850479, filed 1999-10“While driving during any weather condition the ABS brakes will lock up every six months. Front door locks freeze in the winter leaving them inoperable. Consumer states some wires burned causing black smoke to fill up vehicle. Brakes very rough when applied. Oil leak.”
NHTSA complaint #804220, filed 1996-10Electrical 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 1991 Mercury Grand Marquis
13 complaintsVehicle speed control
12 complaintsAir bags
11 complaintsEngine cooling
10 complaintsTransmission and drivetrain
8 complaintsFuel system
4 complaintsBody and structure
4 complaintsExterior lighting
3 complaintsOther or unknown
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsLatches, locks and linkages
2 complaintsSuspension
2 complaints
← All problems reported for the 1991 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