Alternator Structure, Engine B8444S

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Fig 1: Identifying Generator Components

Courtesy of VOLVO CARS OF NORTH AMERICA.

The main components of the generator (GEN) consist of:

Stator
Rotor with slip rings
Integrated cooling fans
DC bridge
Charge regulator
Pulley.

Alternator connections, engine B8444S

Fig 2: Identifying Generator (GEN) Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Generator (GEN) terminals:

#A:1. B+
#B:1. To engine control module (ECM)
#B:2. Not used