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Stator Ground Test

Connect leads of 110-volt test lamp or an ohmmeter (x1000 scale) to any stator lead and to stator frame. Ohmmeter reading should be infinite. See Fig. 4.

Fig 1: Bench Testing Stator for Open or Grounded Circuits Test Circuits Using an Ohmmeter.
Courtesy of GENERAL MOTORS COMPANY
If test lamp lights or if resistance is low, windings are grounded. Replace stator assembly.