1986 Ski-Doo Factory Shop Manual, Page 382Get this manual
Section 04 ELECTRICAL SUb-section 05 (ELECTRIC STARTER)
Test for ground circuit in the armature:
Field windings and brushes
Test the field winding for open circuit:
Use growler test probes, Place 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-circuit The yoke has to be repaired or replaced
Use growler test probesCheck between armature core