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Author Question: When testing an alternator rotor, if an ohmmeter shows zero ohms with one meter lead attached to the ... (Read 32 times)

sarasara

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on: Aug 13, 2021

Question 1

What test is being performed in this illustration (engine running)?



◦ AC ripple voltage test
◦ Alternator voltage output test
◦ Charging system current test
◦ Diode test

Question 2

When testing an alternator rotor, if an ohmmeter shows zero ohms with one meter lead attached to the slip rings and the other meter lead touching the rotor shaft, the rotor is ________.
◦ OK (normal)
◦ Defective (shorted-to-ground)
◦ Defective (shorted-to-voltage)
◦ OK (rotor windings are open)


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Marked as best answer by sarasara on Aug 13, 2021

Athena23

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Reply #1 on: Aug 13, 2021

Answer 1

AC ripple voltage test

Answer 2

Defective (shorted-to-ground)


sarasara

  • Member
  • Posts: 521
Reply 2 on: Aug 13, 2021
Wow, this really help

parshano

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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