silvia headlight conversion

[supersayianjim]

I know there is one option for changing the headlight type out there for silvias...


http://zilvia.net/f/showthread.php?t=128627


but ive also seen like another ground wire so to speak allowing different types of bulbs in the stock silvia housing. anyone have more pic/ insight on these??



http://i495.photobucket.com/albums/rr317/supersayianjim/project%20s-rb/newliplook.jpg