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Bench Testing: Stator

  1. Set ohmmeter on lowest scale. Connect ohmmeter across stator leads. Resistance between leads should be approximately .09-.11 ohms for 80-amp alternator and .08-.10 ohms for 70-amp alternators. If resistance is incorrect, stator has open or shorted windings and must be replaced.
  2. Place ohmmeter on X 1000 scale. Connect ohmmeter between stator core and stator lead. No continuity should exist. If continuity exists, stator is grounded and must be replaced.
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