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Alternator & Regulator: Description

Mitsubishi 55-amp alternator with an internal voltage regulator is used on Tracker. The Integrated Circuit (IC) voltage regulator is a solid state unit mounted to the rectifier end frame. Regulator cannot be adjusted.

Two brushes carry current through 2 slip rings to field coil mounted on rotor. Stator windings are assembled inside a laminated core forming part of alternator drive and frame assemblies. A rectifier bridge containing 8 diodes is connected to stator windings. See Fig 1.

Fig 1: Charging System Wiring Schematic
G91G02002Courtesy of GENERAL MOTORS CORP.