my headlighs go off and on while the car is sitting still what can cause that on 1992 Mercury Grand Marquis

head lights go offo and on while I am sitting still

by in Montgomery, NY on February 10, 2013
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2 answers
ANSWER by , February 10, 2013
maybe your switch is sticking
ANSWER by , February 23, 2013
if you mean while car is parked and your horn doesnt work it may be you triggered the anti-theft I do it ocassionally