plz help. parking light problem

[72f100/93lx]

umm ok so my g/f jsut got home with the muskratr. got pulled over for the rear parkinglights and licence plate lights not working. brakeligths and turn sigs still work. aswell as dashlight interior or all front lights. i checked the fuse checked the bulbs and found the 2 pass side bulbs blown. the outer marker and the parking light. havent had time to testlight the wire in the rear but im gessing its a wireing issue. had to already rewire the turnsignal power feed to the cullum.the heater suply to the fuse box and the power feed from the ircm to the inertia switch. im hopeing sumone has sum infor to help. has me stumped everything worked when she left. and is only a 30 mile round trip from ehre to her job and back.anyone know were to get a diagram of the rear parking lights? and posably the wireing at the switch. im assumeing the wire splits out to the front and rear front the switch in the dash.thnks for takeing time to rear and hopefully sumones ran into this be4.