1984 Mercury Cougar Electrical system Problems
- Complaints
- 7about this part
- Share
- 41%of 17 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the electrical system of the 1984 Mercury Cougar, 41% of the 17 complaints for this model year. 2 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 stalled at any speed. Has stalled 4 times since purchased 4 weeks ago. Independent mechanic said that tfi module and ignition switch needed to be replaced. Also these components caused electrical damage to vehicle.”
NHTSA complaint #896821, filed 2001-09“While driving the vehicle gives no prior warning and cuts completely off. When trying to start back up the battery light/ enginecheck light keep coming on. Contacted dealer .”
NHTSA complaint #828571, filed 1998-10“The vehicle caught fire from the ignition switch. She got into the car and started the igniton and smoke came out/then it went up in flames. Please describe.”
NHTSA complaint #983044, filed 1996-04Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2002 | 4 | 4% |
| 2001 | 12 | 15% |
| 2000 | 63 | 30% |
| 1999 | 99 | 22% |
| 1997 | 4 | 5% |
| 1996 | 3 | 5% |
| 1995 | 5 | 5% |
| 1994 | 6 | 4% |
| 1993 | 8 | 4% |
| 1992 | 5 | 5% |
| 1991 | 11 | 15% |
| 1990 | 19 | 22% |
| 1989 | 12 | 15% |
| 1988 | 12 | 22% |
| 1987 | 13 | 39% |
| 1986 | 4 | 31% |
| 1985 | 6 | 60% |
| 1984 | 7 | 41% |
Other parts of the 1984 Mercury Cougar
4 complaintsBrakes
2 complaintsSeat belts
2 complaintsSteering
2 complaintsFuel system
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 1984 Mercury Cougar
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