1983 Ski-Doo Shop Manual, Page 222Get this manual
SECTION 04 ELECTRICAL SUB-SECTION 06 (TESTING PROCEDURE)
4) Turn ignition key to ON position, disable emergency cut-out button circuit and tether cut-out switch then crank enginea) Indicator lamp lights: Coil output is up to specificationsRepeat test at least three (3) times to verify reading and check for consistency b) Indicator lamp does not light: Coil output is below specificationsThis could be caused by faulty coil or breaker pointsCheck breaker points condition and adjustment, and correct as necessaryRepeat testIf lamp still does not light the coil is defective and should be replaced
277,377,464, 503, 534 CDI SYSTEMS VERIFICATION
1Generator coil output
1) Disconnect bluered and black wires from PTOside ignition coil2) Connect tester lead to bluered and black wires previously disconnectedConnect lead to good engine ground(T YPICALI
2Lighting coils output (247 engine type)
NOTE: There are two independent coils; main (large) coil wires are yellow and yellowblack while brake light coil (small) wires are green and greenblack1) Disconnect wiring harness junction block at engine2) Connect tester leads asillustrated using two (2) harness adaptorsIClrge coil: yellow and yellowblack wires small coil: green and greenblack (or ground) wires 3) Set tester switch and dial as follows: Engine type'