1997 Ski-Doo Factory Shop Manual Volume One, Page 49Get this manual
Section 02 TROUBLESHOOTING Sub-Section 05 (ELECTRICAL SYSTEM)
SYMPTOM CONDITION TestInspection
REAR LIGHT BULB FLASHESNORMAL USE1Check bulb tightness in housingaLooseness at bulb contact elementsInstall bulb correctly2Check if rear light is properly connectedaConnector housing is partially connectedInstall connector housing properly3Check continuity of wiresaCorroded terminals andor broken wiresReplace terminal(s) or crimp defective wires