One problem related to high/low beam switch has been reported for the 1996 Mercury Grand Marquis. The most recently reported issues are listed below.
Consumer has been to dealer regarding low beams 3 times, the lights do not work very well at night causing consumer difficulty seeing, dealer states there is no place to install running lights and there is nothing that can be done.
| Headlights problems | |
| Brake Light problems | |
| Turn Signal Switch problems | |
| Turn Signal problems | |
| High/low Beam Switch problems | |
| Tail Light Switch problems |