Here are the wire connections for the 10 pin plug that goes into the Alpine changer and alongside connections to the Blue mini ISO plug.
1 Yellow/black= audio R +ve = pin 14 Blue mini iso
2 Black/yellow = audioR - ve = pin 17 " " "
3 not used
4 not used
5 White/red/yellow K Bus = pin 19 " " "
6 Pink/black = audioL +ve = pin 13 " " "
7 Black/pink = audioL -ve = pin 16 " " "
8 Black = changer earth= pin 15 " " "
9 not used
10 Purple/pink = changer perm. feed = pin 20 Blue mini iso
and a link for the blue mini iso.
http://www.the75andztclub.co.uk/foru...21&postcount=2
You could meter out the wires between the blue mini iso and the plug to the cd changer..
Where to pick up the K Bus connection..
http://www.the75andztclub.co.uk/foru...8&d=1199476749
A Symphony in a facelift 75.
Dave T