1978 Ski-Doo Shop Manual, Page 316Get this manual

1978 Ski-Doo Shop Manual, Page 316

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SECTION 05 SUB-SECTION 03, (MERC-O-TRONIC TEST) (
2 Turn selector switch to position no3 CONTINUITY3 Connect tests leads as shown on page 370 Red Black

4A normal diode will show HIG