2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 342Get this manual
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Section 05 ELECTRICAL SYSTEM Subsection 01 (IGNITION SYSTEM )
ECM CONNECTOR PIN-OUT (500SS600BOOR)
If low resistance to chassis ground is found, refer to step 7 If you do not