Table 1 shows eight common electrical system related problems of the 2004 Mercury Grand Marquis. The number one most common problem is related to the electrical system (28 problems). The second most common problem is related to the headlights turn off while driving (seven problems).
Auto lights stopped working. Tail lights will not come on Read details...
The headlights went out on my car while driving home in a snow storm. When I took my vechile to pepboys to find out whats wrong. They said it was the lighting control module that can only be repaired at Ford dealership. They also stated it was a recall on this. Read details...
The contact owns a 2004 Mercury Grand Marquis. The contact stated that the headlights would go out completely while driving at any speed. Sometimes the lights will illuminate within a few minutes or up to fifteen minutes. Read details...