ON OCTOBER 21, 2016, WHILE I WAS DRIVING ON I-30 IN DALLAS COUNTY, A FIRE OCCURRED IN THE DAIMAY-SUPPLIED DRIVER-SIDE VISOR LAMP ASSEMBLY OF MY 2009 FORD MERCURY GRAND MARQUIS. THE FORD FUSE SYSTEM FAILED, ALLOWING THE FIRE TO BURN, MELTING PORTIONS OF THE VISOR AND ROOF MATERIAL. THE MELTED MATERIAL FELL ON MY LEFT LEG AND THE DRIVER SEAT AND FLOOR OF THE VEHICLE, CAUSING 2ND AND 3RD DEGREE BURNS…
2009 Mercury Grand Marquis electrical problems
severe 4 complaints filed with NHTSA · avg repair $850
Complaints
4
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 3 most recent
I HAD CHECKED THE TIRE PRESSURES PRIOR TO A ROAD TRIP AND FOUND THEM AT 38 PSI. I RESET THE PRESSURES TO THE SPEC OF 33 PSI. SHORTLY THE TIRE MONITOR CAME ON AND SIGNALED A LOW TIRE PRESSURE. I RECHECKED AND THEY WERE OK. DURING MY TRIP THE LIGHT WOULD KEEP COMING ON AND I TRIED TO RESET THE SYSTEM TO NO AVAIL. ON MY RETURN, THE POWER DOOR LOCKS KEPT MALFUNCTIONING. THE DOOR KEY PAD WOULD WORK SO…
INTERIOR LIGHTING CABLE BURNED OUT. LOST FLOOR LIGHTS, DOOR LIGHTS AND MAP LIGHTS
Common questions
How serious is the electrical problem on the 2009 Mercury Grand Marquis?
It's a meaningful issue. 4 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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