1972 Ski-Doo Shop Manual, Page 211Get this manual
ME RC-O-TRON IC
3Sln mels equipped with an internal high tenSion coil, carry out the following procedure: Insulate breaker points as detailed in test no1, step 1b) Connect the black test lead to coil core (ground)c) Connect the red test lead to breaker points terminal (fig3-4-8)a)
5Read the RED figures on scale no2Meter reading must be between specification limitsIf not, replace the defective coilPRIMARY RESISTANCE MINMAX