When it flashes fast it means you have a burned out bulb omn that side. Check all you lights and you'll find the one that's burned out.
how to remove right turn signal relay on 1986 mercury grand marquis
connected to the turn signal
I have a 1996 Grand Marquis. If one of the brake lights goes out the signal on that side flashes faster. I would check the brake/tail lamps.
On a 1996 Mercury Grand Marquis the windshield washer squirter button is on the end of the turn signal lever
assuming you mean the light bulbs, see the answer to "how do you change turn signal lamps both front and rear on a 96 mercury grand marquis" right here in WikiAnswers.
Mercury Grand Marquis was created in 1983.
Under dash, driver's side.
Replace the flasher relay if none of them are working.
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.054 is the gap for the Mercury Grand Marquis.
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