Alrighty, here you go
*Remove drivers side centre console panel
*You'll see a black plug on the "side" of the stereo, this is your speaker outputs and constant 12v+.
Dark Green - / Light Green + = Front Right Speaker
Grey - / Brown + = Front Left Speaker
Light Blue - / Dark Blue + = Rear Right Speaker
Yellow/Red - / Brown + = Rear Right Speaker
*Also, just below the black plug is a white plug with 3 wires in it and not connected to anything, this is a good source for accessories (Brown / Yellow wire) and earth i suppose (black wire).
This was obtained from a member on MEA, so dont shoot me if its not 100% correct.....but i imagine it is.