Why would Passenger lights flash on and off when vehicle is turned off? on 2003 Dodge Caravan

when the vehicle is turned off the passenger lights will flash on and off. I fished the light switch thinking that would solve this issue.

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
which p/s lights. the more info the better