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Home >> GMC >> 1982 >> Magnavan Automatic Trans, Trans Mfr CD 475/M40 >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Alternators & Regulators - DELCO-REMY With Integral Regulator >> Overhaul >> Stator Open Test

Stator Open Test

  1. Connect a 110-volt test lamp or an ohmmeter (x1 scale) with leads touching any 2 stator leads. Make checks between 2 different sets of stator leads.
  2. Readings should be equal. If test lamp does not light or if resistance is high, windings are open. See Fig. 4. 
    NOTE: Delta windings on 15SI and 27SI alternators cannot be checked for open with an ohmmeter.
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