1997 Ski-Doo Factory Shop Manual Volume Two, Page 240Get this manual
Section 05 ELECTRICAL Sub-Section 07 (TESTING PROCEDURE)
VOLTAGE REGULATOR INSPECTION
A faulty voltage regulator is often responsible for frequent burned bulbs
B) Voltmeter Test
CAUTION
' ing current (AC)For accurate reading, use RMS voltmeter
NOTE: Use voltmeter able to read alternat-
Never run an engine with faulty or inoperative voltage regulatorThis could damage the DUCATI CDI module
TESTING PROCEDURE
The regulator ground must be checked to ensure the circuit is completeIf necessary, connect good ground wire from the regulator to the engine
Connect wire of the voltmeter to BLACKYELLOW wireConnect the other wire of the voltmeter to YELLOW wireLift the rear of vehicle and support with mechanical standStart the engine at an idle without opening the throttle
A) Quick Test Without Voltmeter