So my dad was just driving around in our 2000 s40 when suddenly the radio cuts out and interior lights go out... we changed the fuse worked for a few seconds then went out again did this 3 times and all 3 itmes failed.... we think it could be a short somewhere.. anyone know whats up?

 

sorry I have no clue
but I also have the same problem on my 01 s40's cigerette lighter