One problem related to instrument panel failure has been reported for the 1998 Mercury Grand Marquis. The most recently reported issues are listed below.
Tl the contact owns a 1998 Mercury Grand Marquis. While driving various speeds, the headlights and instrument panel lighting failed to illuminate. The contact stated that the failure occurred periodically. The vehicle was not taken to a dealer or independent mechanic for diagnostic testing or repairs. The manufacturer was not notified of the failure. The failure mileage was approximately 109,000.