YearToAvoid

2005 Mercury Grand Marquis Electrical System Problems

NHTSA has 319 owner complaints about electrical problems in the 2005 Mercury Grand Marquis, 65% of all 488 complaints for this model year. That is the highest electrical complaint count among 7 Grand Marquis model years. These complaints report 4 crashes, 4 fires, and 3 injuries. Median mileage at failure: 78,000 miles.

Electrical System complaints
319
65% of 488
Crashes reported
4
Fires reported
4
Injuries reported
3
Median mileage
78,000 mi
Related recalls
2

When 2005 Mercury Grand Marquis electrical complaints were filed

First complaint May 16, 2005, latest Sep 16, 2026.

2005 Mercury Grand Marquis electrical system complaints: complaints filed per quarter152005 Q22009 Q42012 Q12014 Q22016 Q32019 Q12022 Q22025 Q1
319 complaints filed with NHTSA from 2005 Q2 to 2026 Q3; peak 2012 Q3 (15).

Electrical System recalls for the 2005 Mercury Grand Marquis

  1. NHTSA 15V861000Dec 22, 2015Electrical System296,004 vehicles

    Exterior lighting:headlights

    Ford Motor Company (Ford) is recalling certain model year 2003-2005 Ford Crown Victoria and Mercury Grand Marquis vehicles manufactured October 3, 2001, to August 2, 2005. The affected vehicles have a lighting control module (LCM) that may fail, resulting in a loss of headlights.

    Risk: A loss of headlights can reduce driver visibility and increase the risk of a crash.

    Remedy: Ford will notify owners, and dealers will replace the LCM, free of charge. The recall began April 14, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S39.

  2. NHTSA 05V518000Nov 9, 2005Electrical System98,836 vehicles

    Electrical system:12v/24v/48v battery:cables

    On certain passenger vehicles, the battery cable includes a fusible link that may contact and subsequently chafe on a #2 cross member attaching bolt.

    Risk: This condition may result in heat damage and could lead to a fire.

    Remedy: Dealers will inspect the fusible link and position it away from the cross member bolt. If the fusible link has already chafed and copper wires have been exposed, the fusible link will be replaced. The recall began on november 18, 2005. Owners may contact ford at 1-800-392-3673, or lincoln/mercury at 1-800-521-4140.

Electrical System complaints by Grand Marquis model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 2005319 (65%)
  2. 200613 (9%)
  3. 20075 (5%)
  4. 200812 (15%)
  5. 20094 (15%)
  6. 20105 (21%)
  7. 20113 (33%)

Frequently asked questions

Does the 2005 Mercury Grand Marquis have electrical problems?
NHTSA has 319 owner complaints about the electrical in the 2005 Mercury Grand Marquis, 65% of all complaints for this model year, including 4 that report a crash. Median mileage at failure is 78,000 miles.
Which Mercury Grand Marquis year has the most electrical complaints?
The 2005 Mercury Grand Marquis has the most electrical complaints (319), compared with 319 for the 2005.
Is there a electrical recall for the 2005 Mercury Grand Marquis?
Yes — 2 NHTSA recall campaigns for the 2005 Mercury Grand Marquis concern the electrical: 15V861000 and 05V518000.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.