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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 - DELCO-REMY With Separate Regulator >> Testing (On Car) >> Alternator Output

Alternator Output

CAUTION: Do not allow voltage to exceed 76 volts when operating alternator without regulator in circuit. Use a carbon pile rheostat connected across battery, or turn on headlights and accessories to load battery and limit voltage to 14 volts.

Connect an ammeter in charging line at alternator "BAT" terminal (disconnect lead and connect ammeter between lead and terminal), connect voltmeter between this "BAT" terminal and ground. Disconnect alternator field lead at "F" terminal and connect field directly to battery by installing jumper wire between alternator "F" and "BAT" terminals. Start engine and slowly increase speed using care to prevent excessively high voltage. Check alternator output at 1500-2500 RPM. Output should be within 10 amperes of rated output. See Specifications.