Search:

Hello. My grand marquis'00 has this problem which I've also noticed in the models between 98 and '03. The turn signals flashes quickly, and when I checked the bulbs I found them all OK. The manual...

Check the O/D button over driving, does it make any change? Maybe it's an electronic problem or related to the button,

If your car has door numbers chech if some buttons are stuck or making circuit shortage. Try to check it out or make a repairer to disconnect it. It causes the interior lights to turn on.