Cablefix2000

Does a kc100have a voltage regulator? I just purchased vintage kc100 with the wiring harness bastardized, it has running without a battery, im trying to make the lights to work, the voltage shoots up to about 50 volts ac when the engine is running no reading in dc scale from the headlight bezel area, can somebody please shoot me a copy of the electrical schematic so i can trouble shoot ifo not know where to start. The previous owner hotwire the bike ignition switch and i also neef to fix that..., please help with the wiring diagram