you will need a pioneer head unit to go with it,,
WARNING
the blue end of the bus lead (cd cable) goes in the back of the pioneer car stereo with the black end on the bus lead goes in the back of the cd player< ( if they are connected the wrong way around it, the cd changer will not work),
black cable (with a metal clip) beside the black bus lead goes to earth, any metal point in the car
i cant remember what the other colours are, but if there is a
blue wire, - connects to the blue wire out of the back of the stereo
yellow wire,, same above but connects to the yellow wire
red wire ,, same above but connects to the red wire