Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 184

ENGINE ELECTRICAL -
ARMATURE TEST
Growler
ARMATURE SHORT-CIRCUIT TEST
1. Place armature in a growler.
2. Hold a thin steel blade parallel and just above while rotating
ARMATURE COIL EARTH TEST
Check the insulation between each commutator segment and
armature coil core.
If there is no continuity, the insulation is in order.
ARMATURE COIL OPEN-CIRCUIT INSPECTION
Check the continuity between segments. If there is continuity,
the coil is in order.
Starting System
armature slowly in growler. A shorted armature will cause
blade to vibrate and be attracted to the core. Replace
shorted armature.
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