1980 Ski-Doo Shop Manual, Page 198Get this manual
SECTION 04 SUB-SECTION 02, (ELECTRICAL TESTS)
Battery replacement
1Remove the four (4) screws securing cover to case2Carefully lift cover3Replace batteries with size Alkaline battenesBe sure to observe polarity markings on battery holder or lamp will not light
TESTS INDEX
ROTAX ONE CYLINDER BREAKER POINTS ENGINE 1Generator coil output2lighting cOils output(247 engine type) 3lighting coils output(277 engine type) ROTAX TWO CYLINDER BREAKER POINTS ENGINE 4Generator coil output5lighting coils outputROTAX TWO CYLINDER ELECTRONIC IGNITION ENGINE 6Generator coil output
4Carefully Install cover on case being certain that no wires are pinched between cover and caseSecure cover