Hey everybody! I am doing some research into a successful headlight which will run off the White Wire.
This is what I have come up with: A 3 watt CREE LED Drop-in torch lamp. These little suckers pump out a sheet load of light and come complete with a reflector and all. Everybody check out this link and read the customer reviews. VERY interesting and so cheap.
They seem to fit the bill and should be easy to mount in some sort of housing. A 3 watt LED shouldn't draw too much current so as to not interfere with the CDI.
I am going to order a couple of these and will report when I get it running.
DealExtreme: $10.14 3V~18V Input 3W Cree Drop-in Module (supports Surefire 6P)