1992 Mercury Grand Marquis Q&A

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

head lights go offo and on while I am sitting still -
Answer 1
maybe your switch is sticking -
Answer 2
if you mean while car is parked and your horn doesnt work it may be you triggered the anti-theft I do it ocassionally -