Ground Test
Check for continuity between commutator and armature coil core. See Fig 1. If there is NO continuity, armature is good, proceed to next test. If there is continuity, armature is grounded and must be replaced.
Check for continuity between commutator and armature coil core. See Fig 1. If there is NO continuity, armature is good, proceed to next test. If there is continuity, armature is grounded and must be replaced.