Black & white (SW as CDI maker calls it) wire connected to ground (green wire) = OFF in AC-CDI.
Color code:
http://chinariders.net/showthread.ph...783#post229783
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ohm reading for quick test:
Cdi:
http://www.sanxin.com.cn/info5/index.asp?id=16 | Ign coil:
http://www.sanxin.com.cn/info5/index.asp?id=20
cowboy style:
Proper test needs peak voltage adapter. Not that difficult to build 1. Google it