Hi Andy, the wires are as follows
Power connector
pin1 live 12v memory supply orange/black
pin2 ground black/green
pin3 ignition 12v supply blue/black
pin4 12v illumination supply orange/black
pin5 alarm connection black/orange (may not be used)
pin6 ground black/green
Speaker connector
pin1 white/black left front
pin2 grey/black left front
pin3 white/violet left rear
pin4 grey/white left rear
pin5 white/red right front
pin6 grey/red right front
pin7 white right rear
pin8 grey right rear
nigel, August 2008