The pin numbers are for the original Ford radio and the dimensions in mm are the wire thickness
Pin 1 1.5mm Orange/Black +12v Live supply (memory)
Pin 3 0.35mm Blue/black +12v Ignition supply
Pin 4 0.35mm Orange/Black +12v lighting supply
Pin 5 0.35mm Black/Orange Alarm unit
Pin 6 2.5mm Black/Green Ground
Pin 2 0.35mm Black/Yellow Ground
Pin 4 Yellow/Violet rear l/h
Pin 3 White/Violet rear l/h
Pin 2 Yellow/Black front l/h
Pin 1 White/Black front l/h
Pin 8 Yellow rear r/h
Pin 7 White rear r/h
Pin 6 Yellow/Red front r/h
Pin 5 White/Red front r/h
nigel, August 2012