Alternator - Models W/External Regulator: Description

Light truck alternators are available with rear or side mounted terminals. See Figure and Figure . Rated outputs range from 40 to 100 amps depending upon model used. Some models are equipped with indicator lights while others use ammeters.

Current is supplied to the system from rotating field of alternator through 2 brushes contacting 2 slip rings. Alternating current is produced and then is rectified to direct current by the use of diodes. Charging systems are equipped with a fusible link between starter relay and alternator "BAT" terminal.