what will cause the park lights to stay on 2001 F150
Probably a stuck switch or relay. You'll need a diagram to locate it. Do you mean the backup lights or the tail lights that come on when the headlights do?
i have ford f250 super duty 2005 parking lights stay on replaced just about everything dont know what to do any ideas. my email address firstname.lastname@example.org
Looking for a Used F-150 in your area?
CarGurus has 208,407 nationwide F-150 listings starting at $290.
Search Ford F-150 Questions
Ford F-150 Experts