1989 Ski-Doo Repair Manual, Page 409Get this manual
GENERATING COIL TEST !ONE LED LIGHTS FEW LED's LIGHT LOWER THAN THE CORRECT VALUE LED's LIGHT AT CORRECT VALUE
SWITCHES ANDOR SELECTOR ARE IMPROPERLY SET
REPEAT THE TEST WITH MORE POWERFUL CRANKING
FULL LED LlG HT
MALFUNCTION OF CHECKER
LED's LIGHT AT CORRECT VALUE
GENERATING COIL IS CORRECT
HAVE IT REPAIRED f
READING ST ILL LOWER THAN THE CORRECT VALUE
LOOSE CONNECTION OF CONNECTORS
VERIFY CONNECTIONS
SET SW ITCHES ANDOR SELECTOR PROPERLY GENERATING COIL IS OPEN -CIRCUITED