2005 Mercury Grand Marquis electrical system problems

The 2005 Mercury Grand Marquis has 79 electrical system complaints filed with NHTSA — 12% of the year's total, and up sharply from the prior model year.

Electrical System complaints

12%

Share of year

Crash-involved

Related recalls

Electrical System complaints by year

Grand Marquis electrical system complaints by model year. Red bars are years to avoid.

Related recalls

05V518000Electrical SystemNovember 9, 2005 · 98,836 units

Defect

ON CERTAIN PASSENGER VEHICLES, THE BATTERY CABLE INCLUDES A FUSIBLE LINK THAT MAY CONTACT AND SUBSEQUENTLY CHAFE ON A #2 CROSS MEMBER ATTACHING BOLT.

Consequence

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.

What owners report

“2005 MERCURY GRAND MARQUIS CAUGHT FIRE. CONSUMER STATES THE ENGINE IGNITED THE FIRE WHEN SHE TURNED INTO A PARKING LOT. SHE STATED THAT THERE WAS NO APPARENT REASON FOR THE FIRE. *KB THE CONSUMER WAS INFORMED THE FIRE WAS DUE TO AN ELECTRICAL DEFECT. *JB ”
Complaint filed with NHTSA · Electrical System · December 3, 2007 · fire

Common questions

How many electrical system complaints does the 2005 Mercury Grand Marquis have?

NHTSA has 79 complaints about the 2005 Mercury Grand Marquis electrical system — 12% of all complaints filed for that model year.

Are there recalls for the 2005 Mercury Grand Marquis electrical system?

Yes — 1 NHTSA recall campaign for this model year is tied to the electrical system: 05V518000.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.