1982 Ski-Doo Shop Manual, Page 283Get this manual
SECTION 04 ELECTRICAL SUB-SECTION 06 (ELECTRIC STARTER)
Test for ground circUit In the armature using growler test probesCheck between armature core and the commutator barsIf growler lamp turns on, bars are grounded
Field winding and brush es
Test the field winding for open circuit using growler test probesPlace one test probe on the negative brush and the other test probe on the yoke If growler lamp does not turn on, the field winding has an open-circuitThe yoke has to be repaired or replaced