I have a 2002 ford focus with a 4000 rds caset player. I bought a pioneer hu and i want to replace the stoc hu. the only problem is that i dont know the wire diagram. i know that i coud buy a adaptor but it is very expensive and i cant find it in my town. the closest town that has it is 150 km away. i realy need the wiring diagrams and i am searchig for them for 7 days with no luck. please someone help me