i have a 1986 chevy k20 and i put a suburban fram under it. and on the suburban the guy changed the deisal out and put a gas in it. well when i bought the suburban it had a awasome transmission, engine, and axles so i used the frame. but the headlights didnt work. so i switched out everything got it running and everything works but the headlights,horn,dash lights,interior lights. i dont even know where to start can anybody help me out??? thanks bobby