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Home >> Oldsmobile >> 1966 >> Dynamic Base, Eng CD ML, Standard Trans, Trans Mfr CD 160T >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Alternators & Regulators - DELCO-REMY With Integral Regulator >> Description >> Regulator Output Test >> Overcharged Battery Check

Overcharged Battery Check

  1. Connect voltmeter from generator No. 2 terminal to ground. If reading is zero, No. 2 lead circuit is open.
  2. Separate end frames. Connect ohmmeter using lowest range scale from brush lead clip to end frame as shown in figure, then reverse test connections. If both readings are zero, either brush lead clip is grounded or regulator is defective. Grounded brush lead clip can result from omission of insulating washer, or insulating sleeve over screw, or damaged sleeve. Remove screw to inspect sleeve, replace regulator if trouble not caused by these factors.
Fig 1: Integral Alternator-Regulator Circuit Diagram
G09333242Courtesy of GENERAL MOTORS COMPANY
Fig 2: Slip Ring End Frame Test Connections
G09333243Courtesy of GENERAL MOTORS COMPANY
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