1978 Ski-Doo Shop Manual, Page 276Get this manual
SECTION 05 SUB-SECTION 03, (ELECTRICAL TESTS)
TWO CYLINDER BREAKER POINTS ENGINE
4GENERATOR COIL OUTPUT
1Disconnect bluered and black wires from terminal (15) of P.T.Oside ignition coilDisconnect the two (2) blue wires from terminal (1) of magneto side ignition coilMake sure that neither connector touches the engine (ground)2Connect tester lead to bluered and black wires previously disconnectedConnect lead to good engine ground
5LIGHTING COIL OUTPUT
Na TE: In some engine types covered by this test an additional lighting coil is connected in parallel with the main lighting coil, in this case, the test will determine if the whole assembly is working right or notIf test appears to be negative, each component must be checked separately:
1Disconnect wiring harness junction block at engine2Connect tester leads as illustrated using two (2) harness adaptors
Bluered