VehicleVerdict

1993 Mercury Grand Marquis electrical system problems

The 1993 Mercury Grand Marquis has 21 electrical system complaints filed with NHTSA — 12% of the year's total, and down from the prior model year.

21

Electrical System complaints

12%

Share of year

1

Crash-involved

1

Related recalls

Electrical System complaints by year

Related recalls

99V124000Electrical SystemMay 19, 1999 · 262,695 units

Defect

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE SPEED CONTROL DEACTIVATION SWITCH CAN DEVELOP A RESISTIVE SHORT IN THE ELECTRICAL CIRCUIT THAT COULD POTENTIALLY RESULT IN AN UNDERHOOD FIRE. A FIRE IS POSSIBLE BOTH WHEN THE VEHICLE IS RUNNING AND WHEN THE VEHICLE ENGINE IS OFF. ALSO, THE SHORT COULD DISABLE THE SPEED CONTROL SYSTEM OR CAUSE THE BRAKE LIGHT FUSE TO OPEN.

Consequence

A FIRE CAN ORIGINATE IN THE LEFT FRONT UNDERHOOD AREA.

Remedy

DEALERS WILL INSTALL A NEW SPEED CONTROL DEACTIVATION SWITCH AND CONNECTOR SHELL. OWNER NOTIFICATION BEGAN MAY 20, 1999.

What owners report

TL* -THE CONTACT STATED THAT AFTER PARKING THE 1993 MERCURY GRAND MARQUIS THE VEHICLE CAUGHT ON FIRE UNDER THE DRIVERS SIDE PORTION OF THE HOOD. THE FIRE DEPARTMENT WAS CALLED AND THE FIRE WAS EXTINGUISHED. A FIRE DEPARTMENT REPORT WILL BE AVAILABLE.*AK

Complaint filed with NHTSA · Electrical System · January 18, 2007 · fire

Common questions

How many electrical system complaints does the 1993 Mercury Grand Marquis have?

NHTSA has 21 complaints about the 1993 Mercury Grand Marquis electrical system — 12% of all complaints filed for that model year.

Are there recalls for the 1993 Mercury Grand Marquis electrical system?

Yes — 1 NHTSA recall campaign for this model year is tied to the electrical system: 99V124000.

Related

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

Compiled by Sharon Ben-Moshe, Founder.