hi ive got a k reg ford fiesta xr2iand ive just bought a kenwood cd player to install in my car but i cant seem to do this ... my car wiring has the following wires speaker wires seperate and 5 other wires obviously for my power ect... i have a red a yellow 2browns and a (grey green clour) and my sterio has a red a yellow a blacka orange and a blue but i just cant figure out which one goes to which could you please help me out that would be great thanks :)