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Home >> Cadillac >> 1991 >> Seville Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternator & Regulator >> Trouble Code Charts >> Trouble Code B410 - Charging System Circuit >> Circuit Description

Circuit Description

BCM supplies 12 volts to regulator over circuit No. 225. This is alternator "I" terminal. BCM monitors field voltage of alternator by means of Pulse Width Modulated (PWM) signal over circuit No. 23. This is F+ alternator terminal.

NOTE: Following test numbers relate to chart numbers. Term "generator" in diagnostic charts is used in place of term "alternator".
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