1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 70Get this manual
INE SERVICING (WANKEL KM914B)
The bulbs should be so selected that the total load of the magnetogenerator is 50 WattAdditionally, for reaching 75 Watt, resistance of 25 Watt must be connectedCare should be taken to ensure good earth connection from the engine via the chassis to the lamps
HINTS AND WIRING DIAGRAM FOR MAGNETO GENERATOR 12 VOLT 15 WATT
The magnetogenerator produces alternating current with lighting power of 75 Watt at 12 VoltOnly one of the yellow lighting leads should be connected up (see wiring diagram)The second yellow lighting lead remains blind, and may be used later for connecting up rectifier to charge batteryThe black wire is the short-circuiting lead and the brown wire is an additional earth lead