1984 Ski-Doo Shop Manual, Page 315Get this manual
SECTION 04 ELECTRICAL SUB-SECTION 06 (TESTING PROCEDURE)
SPARK TEST
a) Before performing this test, ensure that the control unit and the control unit diode (if applicable) have been checked b) Disconnect the checker from the connector of the control unit output side (originally connected to the ignition coil)(Vehicle wiring)
g) Keep the distance mm (316") or less between bare surface of the engine and end of high-tension cable and depress the START SWITCH Then spark will take place between them
Hold by insulator
Brea kerless magneto
Ignition coil
WARNING: Do not touch the high tension wire while doing this procedureHold high tension wire with an insulator
Generator coil test
c) Connect the ignition coil connectors to the control unit connectorsd) Connect the grounding wire to the checker and to bare surface of the engine a) This test should be performed at both HILO switch positionsSwitch LO position and set the selector to GENERATOR COIL position b) Crank the engine and read the LED level indicatorReading should be: for 4-4P: from to for 4-5P: from to 8