1997 Ski-Doo Factory Shop Manual Volume Two, Page 227Get this manual
Section 05 ELECTRICAL Sub-Section 07 (TESTING PROCEDURE)
TESTING PROCEDURE
GENERAL
The following chart gives the engine types with their implemented systemENGINE TYPE 454, 494, 583 and 670 443 and 503 IGNITION SYSTEM NIPPONDENSO (CDI) TRIGGER COIL DUCATI (CDI) CHARGING SYSTEM OUTPUT 220 240
CDI System Identification
Nippondenso The NIPPONDENSO CDI system has separate ignition coil which is mounted on the reservoir cluster1Ignition module is connected to the ignition generator coil via 3-wire connector (RED, BLACKRED and BLACK wires)