Ground Test
Check for continuity between commutator and armature coil core. See Figure. If continuity does not exist, armature is good. Proceed to OPEN CIRCUIT TEST . If continuity exists, armature is grounded and must be replaced.
Check for continuity between commutator and armature coil core. See Figure. If continuity does not exist, armature is good. Proceed to OPEN CIRCUIT TEST . If continuity exists, armature is grounded and must be replaced.