The red cable is probably a coaxial one. It that's the case, it's the red component cable. It's center whire connect to pin 1 and the outside shell to any of the ground pin.
The same hold for the blue and green coaxial cables.
Black is ground. Pins 5(general), 6(red), 7(green), 8(blue), and 10(sync).
You'll find the pinout and wiring here:
http://www.leadsdirect.co.uk/technical/svgawiring.html
Electro
January 2013
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