Table 1 shows eight common exterior lighting related problems of the 2004 Mercury Grand Marquis. The number one most common problem is related to the headlights (117 problems). The second most common problem is related to the exterior lighting (50 problems).
The contact owns a 2004 Mercury Grand Marquis. The contact stated while driving at an undisclosed speed at night, he became aware that the headlights were not functioning properly. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. Read details...
Auto lights stopped working. Tail lights will not come on Read details...
Headlights and dashboard lights went out and no longer work. . If highbeam switch is held lights work Read details...