On these pages:
(yeah, I know that's the old article, but google has it cached with the bad info)
The audio pins are switched. Pin 2 is left, pin 3 is right. I've had to tear a pretty heavily put together scart connector because I ended up soldering the connectors wrong to the Saturn connector (which I have limited supply of and they cannot be reopened).
The wiki is fixed! Let's update that pinout. =D