1997 Ski-Doo Factory Shop Manual Volume One, Page 218Get this manual
Section 05 ELECTRICAL Sub-Section 07 (TESTING PROCEDURE)
DUCATI CDI SYSTEM TESTING
NOTEEnsure ignition cut-out switches are properly working and they are in the ON position prior to performing the following testsWARNINGTo prevent powerful electric shocks while cranking engine, do not touch neither electronic ignition components (ignition coil, high tension wire, wire harness, etc nor tester leads
(Applicable to 377, 443 and 503 Engine Types)
MAGNETO OUTPUT
(Ignition Generator Coil)
1Disconnect the 4-wire connector between ignition module and magneto harness2Connect tester wires then set switch and dial as follows :
Tester wires Component wires GREEN wire of magneto harness WHITE wire of magneto harness Tester switch position Tester dial position
TRIGGER COIL OUTPUT