2004 Skidoo Tundra Skandic Series Service Manual, Page 94Get this manual
Section 03 TROUBLESHOOTING Subsection 05 (ELECTRICAL SYSTEM)
SYMPTOM CONDITION TestInspection
OPTIONAL ELECTRIC STARTER DOES NOT WORK WHEN TURNING IGNITION SWITCHNORMAL USE1Check connection of BLACK wire (starter relay ground) in 3-wire housing coming from magneto (white housing)aCorroded andor loose connection(s)Clean andor retighten
SYMPTOM CONDITION TestInspection