Exterior Lighting Related Problems of the 1998 Mercury Grand Marquis

Table 1 shows three common exterior lighting related problems of the 1998 Mercury Grand Marquis. The number one most common problem is related to the headlights (eleven problems). The second most common problem is related to the exterior lighting (five problems).

Table 1. Exterior Lighting related problems of Mercury Grand Marquis

Problem Category Number of Problems
Headlights problems
11
Exterior Lighting problems
5
Headlight Switch problems
1

Recently reported Exterior Lighting problems of the 1998 Mercury Grand Marquis

The Headlights problem

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.   Read details...

The Exterior Lighting problem

The contact owns a 1998 Mercury Grand Marquis. The contact stated that the interior and exterior lighting operated intermittently. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 165,784.   Read details...

The Headlight Switch problem

Light switch fails while lights are on high beam for one to two hours. Has happened four times while driving at 70 mpr on interstate 95. All interior and exterior lights blink off, then back on, then off several times before pulling to side of road. . . Has not happened while using low beams.   Read details...


Exterior Lighting related problems in other Mercury Grand Marquis model year vehicles:



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Grand Marquis Defect Investigations