2001 Ski-Doo Factory Shop Manual Volume Three, Page 89Get this manual
Section 03 TROUBLESHOOTING Subsection 05 (ELECTRICAL SYSTEM)
SYMPTOM CONDITION TestInspection
TACHOMETER DOES NOT WORKNORMAL USE1Check continuity of wiresaCorroded terminals andor broken wiresReplace terminal(s) or crimp defective wires
SYMPTOM CONDITION TestInspection