The blue plug (mini Iso) that goes to the changer is numbered
pin number 14 is right front +
pin number 17 is right front -
pin number 19 is K bus connection
pin number 13 left front +
pin number 16 left front -
pin number 15 neg
pin number 7 pos
It is here with the colours as well
http://www.the75andztclub.co.uk/foru...92&postcount=1
HTH