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Where is the headlight sensor located on 2003 mercury grand marquis?

(2003 Mercury Grand Marquis)
in Hoffman Estates, IL on March 12, 2013
Sometimes they come on, other times no. Sometimes they just go out while driving.
Displaying 1 answers & 2 comments
Popular Answer
on March 13, 2013
Try turning on the manual switch to see if that helps.
on May 18, 2013
sometimes yes and sometimes no
on May 18, 2013
Go out on dim/bright or either way? If either way i suspect headlight switch, if only one or the other i suspect dimmer switch.
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