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ELECTRICAL SYSTEM 16-53
Electric Starter System
Armature Inspection
•
Using the × 1 Ω hand tester range, measure the resis-
tance between any two commutator segments [A].
Special Tool - Hand Tester: 57001-1394
If there is a high resistance or no reading (∞) between any
two segments, a winding is open and the starter motor
must be replaced.
•
Using the highest hand tester range, measure the resis-
tance between the segments and the shaft [B].
If there is any reading at all, the armature has a short and
the starter motor must be replaced.
NOTE
○
Even if the foregoing checks show the armature to be
good, it may be defective in some manner not readily
detectable with the hand tester. If all other starter motor
and starter motor circuit components check good, but
the starter motor still does not turn over or only turns
over weakly, replace the starter motor with a new one.
Brush Lead Inspection
•
Using the × 1 Ω hand tester range, measure the resis-
tance as shown.
Right-hand End Cover and Negative Brushes [A]
Terminal Bolt and Positive Brushes [B]
Special Tool - Hand Tester: 57001-1394
If there is not close to zero ohms, the brush lead has an
open. Replace the brush plate assy.
Right-hand End Cover Inspection
•
Using the highest hand tester range, measure the resis-
tance as shown.
Terminal Bolt and Right-hand End Cover [A]
Terminal Bolt and Negative Brushes [B]
Special Tool - Hand Tester: 57001-1394
If there is any reading, the brush assy and/or terminal bolt
assy have a short. Replace the starter motor.
Starter Relay Inspection
•
Remove:
Battery Negative (–) Cable (see Battery Removal)
Front Seat Bracket Bolts [A]
Front Seat Bracket [B]
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