it's your headlight switch
only the headlights are suppose to flash on a headlight flasher
where you turn on the headlights ... push the button
Turn on headlights/parking lights and adjust dimmer control
Bad door switch or bad headlight switch
If your headlights work, but your tail lights don't, your bulbs could be blown. It is possible that you have a shortage in your car.
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?
How do you turn on dash lights 1993 mercury grand marquis
where is the fuse for tail lights in 1988 mercury grand marquis
Headlights, interior lights, parking lights,Headlights, interior lights, parking lights,
you need to replace the the keypad on the door....the membrain has cracked and is letting moisture in.....if you leave the headlights on auto you will find they will go on and off too
What I do is put my headlights on ( low beam ) and pull the headlight control towards me to turn on the fog lights ( push the control in to turn off the fog lights )
The headlights work on a totally different relay than the parking and fog lights. The headlight relay or headlight fuse is usually blown when only the parking and fog lights work.