1969 Ski-Doo Snowmobiles Service Manual, Page 97Get this manual
ASSEMBLY AND SERVICE OF THE ELECTRICAL SYSTEM IGNITION UNIT ARMATURE PLATE ASSEMBLY: The armature plate having slots should be assembled in such way that screws are about in the center of the slotsInsert cable grommet into crankcaseAssemble washer, cam spring and breaker cam to crankshaft extensionMount woodruff keyAssemble fan cowl and labyrinth ringArmature plate with high tension ignition coil mounted outside on engineThe current for the ignition is produced in the generator coil and conducted outside to ignition coil where the current is transformed to the required voltage for the ignitionThe second coil is the lighting coil, generating alternating current, 12 volts, 50 watts in rewind starter engines, 75 watts in electrically started engines
CONNECTIONS: Correct wiring is importantConnect blue generator cable to terminal (15) of first ignition coil; the shorting cable is also connected to this termiAalConnect terminal (1) of first coil to terminal (15) of second coilConnect terminal (1) of second coil to groundIncorrect wiring causes the spark to weaken considerably on 370 C.cConnections are plugged, protected by caps against dirt and moistureIgnition cable to be screwed to its terminal, also protected by protection cap