Underhood Wiring Problems of Mercury Grand Marquis

Mercury Grand Marquis owners have reported 7 problems related to underhood wiring (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Grand Marquis based on all problems reported for the Grand Marquis.

1 Underhood Wiring problem of the 1996 Mercury Grand Marquis

Failure Date: 07/30/2006

Vehicle would not shift out of park. Inspected fuses and found blown 15 amp fuse. Replaced and vehicle worked properly. Parked in driveway. 30 minutes later, car is on fire. Vehicle is totaled.

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2 Underhood Wiring problem of the 2000 Mercury Grand Marquis

Failure Date: 08/11/2002

Consumer lost control at 35 mph on a gravel road, vehicle hit a tree, then bursted into flames. Consumer suffered minor head injuries, vehicle was totalled. Cause of fire unknown at this time. While driving the consumer had met another driver going south in the middle and tried to miss the other vehicle and lost control. The consumer ran into the woods and hit two small trees and the vehicle then caught fire, which started under the wheel of the drivers side. The consumer went into the windshield and injured her forehead/head and neck.

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3 Underhood Wiring problem of the 1996 Mercury Grand Marquis

Failure Date: 08/29/2000

No summary.

4 Underhood Wiring problem of the 1998 Mercury Grand Marquis

Failure Date: 08/13/2000

After replacing several components of the electrical system including pcm, two power packs and a wire harness installed and the vehicle still does not start.

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5 Underhood Wiring problem of the 1998 Mercury Grand Marquis

Failure Date: 06/03/1999

While parked smoke came from under the hood. The fire department opended the hood and the vehicle was engulfed in flames. Dealer and manufacturer have been notified.

6 Underhood Wiring problem of the 1996 Mercury Grand Marquis

Failure Date: 12/16/1996

While vehicle was parked engine compartment fire under the hood due to an electrical short. Also, replaced the side view mirror which has electrical parts. Referenced in ea02-025.

7 Underhood Wiring problem of the 1998 Mercury Grand Marquis

Wiring harness under the hood resulting in a fire.


Other Common Electrical System related problems of Mercury Grand Marquis



Fuel Economy of Grand Marquis Vehicles
Grand Marquis Service Bulletins
Grand Marquis Safety Recalls
Grand Marquis Defect Investigations