the quality of the picture you will get from this converter will be awful
if you do want to go ahead you would need to but the video signal wires from the edge connector and connect them to the gbs8100 cga connector, you are better off using the cga cable that came with the converter and buy a molex connector and pins and make a cable to the actual chassis
imo if you using the cab for vga and over then just get a lcd monitor and install that