2003 Mercury Grand Marquis Electrical System Problems
Owners have filed 51 complaints with NHTSA about electrical system problems on the 2003 Mercury Grand Marquis, 14% of all complaints for this model year. Half of the reports with a mileage happened before 95,100 miles. The words owners use most often: “lighting control module” (22% of reports).
- 51electrical system complaints
- 95,100median miles at failure
- 4mention a crash
- 1mention an injury
- 0related recalls
- 31%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Lighting control module: mentioned in 11 of 51 complaints (22%)
- Instrument panel: mentioned in 6 of 51 complaints (12%)
At what mileage do electrical system problems happen?
Based on 37 complaints that reported the odometer reading.
How serious are the reports?
Of 51 complaints, 4 mention a crash, 2 a fire, 1 an injury.
Mercury Grand Marquis electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2011 Grand Marquis | 3 | 33% | 105,200 |
| 2010 Grand Marquis | 3 | 12% | 28,000 |
| 2009 Grand Marquis | 4 | 15% | 41,000 |
| 2008 Grand Marquis | 9 | 11% | 57,600 |
| 2007 Grand Marquis | 1 | 1% | — |
| 2006 Grand Marquis | 8 | 6% | 66,000 |
| 2005 Grand Marquis | 75 | 15% | 74,000 |
| 2004 Grand Marquis | 40 | 11% | 88,670 |
| 2003 Grand Marquis | 51 | 14% | 95,100 |
| 2002 Grand Marquis | 10 | 13% | 37,499 |
| 2001 Grand Marquis | 13 | 8% | 83,770 |
| 2000 Grand Marquis | 17 | 10% | 68,000 |
| 1999 Grand Marquis | 15 | 9% | 130,000 |
| 1998 Grand Marquis | 15 | 10% | 102,250 |
| 1997 Grand Marquis | 12 | 4% | 144,362 |
| 1996 Grand Marquis | 16 | 7% | 106,243 |
| 1995 Grand Marquis | 20 | 11% | 86,000 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2003 Mercury Grand Marquis. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2003 Mercury Grand Marquis. The contact that the headlights were intermittently inoperable. Additionally, the contact stated that the instrument panel lights, the brake lights, and the turn signal lights were inoperable. The contact who is a mechanic, had inspected the fuses, the…
The headlights shut off without warning
The contact owns a 2003 Mercury Grand Marquis. The contact stated that the headlights and taillights were inoperable, and the trunk failed to open. Additionally, all the doors failed to manually lock, and while utilizing the key fob, the door locks were inoperable. The door-ajar message was…
Frequently asked questions
Do all 2003 Mercury Grand Marquiss have electrical system problems?
No. NHTSA has 51 owner complaints about electrical system for the 2003 Mercury Grand Marquis (14% of the 362 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2003 Mercury Grand Marquis electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 95,100 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2003 Mercury Grand Marquis?
The most frequent phrase is “lighting control module”, in 11 of 51 complaints, followed by “instrument panel” (6).
Other 2003 Mercury Grand Marquis problems
See all 2003 Mercury Grand Marquis problems or electrical system problems across all Grand Marquis years.