2005 Mercury Grand Marquis Electrical system Problems
- Complaints
- 75about this part
- Share
- 15%of 488 total for the year
- Median mileage
- 74,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 75 complaints about the electrical system of the 2005 Mercury Grand Marquis, 15% of the 488 complaints for this model year. Where a mileage was given, the median is 74,000 miles. 4 of these say a crash was involved and 4 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Jan 19, 2016, letter said I would be notified as soon as corrective part became available. This has been over 6 1/2 months. As I'm planning on taking an extended trip, much of it at night, in the near future, I'm concerned my headlights will suddenly go out. Please goad them to get on the ball and provide a repair.”
NHTSA complaint #10893729, filed 2016-08, 75,000 miles“Cannot shut lights off when I shut off the car. When I turn them on the sometimes work and sometimes don't. Riding down the hwy they just go off. I have been stopped by the police. Drivers window works sometimes and does nor at other times. Buttons for the passenger seat also works whenever it wants to.”
NHTSA complaint #10692645, filed 2015-03, 49,357 miles“I was driving home and my headlights cut off with no warning at night, they came on again for a min., but cut off this has happened 4 times since. I have to hold my bright switch down for a 30 min drive home. I have had a fuses checked, after looking on line it looks like several people have had this same issue, this is scary, considering I have 3 children.”
NHTSA complaint #10459906, filed 2012-05, 147,000 miles“The headlights turn off randomly. The running lights stay on but the normal headlights will go off randomly and then come back on several to tens of minutes later. I can hear a clicking sound when the lights do go off and back on. When the lights do go off, I can hold the high beams on if I hold the stick toward me. Sometimes initiating a turn signal will cause the headlights to come back on.”
NHTSA complaint #10565363, filed 2014-02, 155,000 miles“My head lights started giving me this problems on april 1 2014 they won't stay on so I have to hold my high beam switch so I can drive using my high beams sometimes my headlights do cone on but very rarely I have read blogs and I'm not the only one having this problems.”
NHTSA complaint #10578354, filed 2014-04, 75,000 milesRelated recalls
- 05V518000Nov 9, 2005On certain passenger vehicles, the battery cable includes a fusible link that may contact and subsequently chafe on a #2 cross member attaching bolt.Covers: Mercury Grand Marquis 2005, Ford Crown Victoria 2005, Lincoln Town CAR 2005
Related service bulletins
- 10074793Jun 1, 2015Summary to be provided on a future date.
- 10016803Nov 14, 2005High effort to activate horn - vehicles built before 5/6/2005. *tt oasis.
- 10014697Mar 1, 2005High effort to activate horn.
- 10012937Feb 7, 2005Delayed reverse engagement.
- 10013321Jan 1, 2005Am/fm and cellular phone reception interference - service tip.
- 10014148Dec 13, 2004Malfunction indicator lamp (mil) on with diagnostic trouble code (dtc) p0455 or p0457.
Electrical 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 2005 Mercury Grand Marquis
293 complaintsAir bags
67 complaintsVehicle speed control
39 complaintsSeat belts
36 complaintsSteering
20 complaintsBrakes
18 complaintsBody and structure
11 complaintsVisibility (wipers, defrost, mirrors)
11 complaintsOther or unknown
10 complaintsEngine cooling
9 complaintsTires
8 complaintsEngine
5 complaints
← All problems reported for the 2005 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