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Stator Test

Using an ohmmeter, measure resistance between stator leads. Perform STEP 1. See Fig 1 . If resistance is greater than 5 ohms for any measurement, replace stator.
Using an ohmmeter, measure resistance between each stator lead and stator core. Perform STEP 2. See Fig 1 . If resistance is less than 5 ohms, replace stator.

Fig 1: Testing Generator Stator

Courtesy of GENERAL MOTORS CORP.