Sounds like a short circuit or overload in system Circuit breaker may be tripping and resetting
The 1988 Mercury Grand Marquis circuit breaker for the power windows can be found in the fuse box. The circuit breaker will be in the first column, third from the bottom.
A 25A Circuit Breaker, Dealers Part.
Check the fuse for parking/tailights (dash lights also on this circuit)
maybe it sensed that it wasnt as dark as it was an hour ago, there are two ways to turn your head lights on in a mercury grand marquis, at least my 92-93. you can pull the headlight switch which makes them stay on, or you can turn the small nob button to your right to do the light sense headlights. hope this helpsAnswerOverload in system? Circuit breaker cycling?
One circuit breaker protects all the power windows. If only one window doesn't work it's not the circuit breaker/fuse. It could be the switch in the drivers door or the power window motor has failed.
cause there is a circuit failure of the wiper motor. or switch.
As per www.totalrecallinfo.com there are 4 recalls on this item, but not on the headlights.
The headlights do not have an external fuse. The underhood computer (FCM) has internal fusing for the headlights.
Check the circuit breaker/fuse first. Your owners manual should have the location.
You can find these headlights online, but aftermarket headlights still will cost you a pretty penny, if your grand prix has plastic headlights and it is just a matter of discoloration this could easily be fixed. Just go to the The Headlight Solution, at headlightsolution.net they specialize in restoring / cleaning headlights to like new condition.
Grand Prix Circuit - video game - was created in 1988.