First of all, you're gonna need a component cable for the GC. Here's a place where you can get one .
Once you've got your component cable, then open it up and start modding!!!!...according to these guides, of course ...
SNES/N64/GC pinout (please note that the RGB doesn't work on the GC, either)
more on RGB mod (fourth post down)
how to get c-sync out of composite
thanks usbcd36 for originally posting these !!
oh yeah, and when I have time, I'll probably add some video mods for the PS2/XBOX, too ...right now, I've got more homework ...
also, I'll add all I know about the GC ....
Edit: I'm gonna put up the thread with all my "useful" GCp posts...enjoy !
GC mA measurements!
NOTE: the gamecube does NOT require 12v on the 12v line, according to shockslayer it will work with as little as 5v!