2003 Mercury Grand Marquis Q&A
2003 Mercury Grand Marquis Question: headlights will not come on at night. works when I use clicker to unlock doors.
POSS TWILIGHT SENTINAL IS BAD GET A DIAG AND EST - globalhelper
Will the headlights come on when you pull the flash to pass leaver? [turn signal lever} If so the LCM [lighting control module] is bad. I just had to put one in my car. - Doug Moore