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TROUBLESHOOTING & REPAIR
ALTERNATOR ROTOR TEST (continued)
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10.Measure the rotor resistance to ground.
A.Set the ohmmeter on the high scale (X100,000).
B.Place one probe on either of the rotor slip rings. Place the other probe on any good, unpainted ground. See Figure F.3.
C.Check the resistance. It should read very high, at least 0.5 megohm (500,000 ohms).
If the test does not meet the resistance specifications, then the rotor may be faulty. Replace the rotor.
11.Replace the brushes on the slip rings. Make sure they are seated correctly.
12.Reinstall the alternator cover.
13.Reinstall the left case side and close and latch the right side cover door.
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