No it was not the dimmer switch I checked that first! I really don't know what it was but I WD-40 the door hinges and then a good hard slam of the door fixed it. On the older ford vehicle that had that little plastic button that was shoved in by the door to turn the lights off but my car does not have that so I don't know what controls it but a good slam fixed it!
2001 Mustang Gt Bullitt, 105,000, mostly stock :nogrinner, 15% tint, led tail lights, Deep Dish Wheels, Nito 555's, shorty antenna, Head Turner.
Mac Off Road Chambered H Pipe, Magnaflow Magnapacks, SCT custom tuner, C&L Cold Air Intake, Exedy Mach 400 stage 2 clutch, Ford Racing 4.10 gears, Under-drive pullies, modded IAC.