VGA to RCA Wiring Schematic | It Still Works VGA to RCA Wiring Schematic by Steve McDonnell . or CAT6 cable by attaching three component connectors to one end of the cable and connecting the proper wires to a 15-pin VGA connector on the other end of the cable. Component connections are done in the RCA format -- the phono plug with a single, stubby prong surrounded by a sturdy ground VGA pinout diagram @ pinouts VGA connectors pinouts. There are at least four versions of the VGA connector, which are the three-row 15 pin DE-15 (also called mini sub D15) in original and DDC2 pinouts, a less featureful and far less common 9-pin VGA, and a Mini-VGA used for laptops. The image and below table are the newer 15-pin VGA VESA DDC2 connector pinout.