Generator (GEN) design

Fig 1: Generator Design

Courtesy of VOLVO CARS OF NORTH AMERICA.

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

1. Stator
2. Rotor with slip rings
3. Integrated cooling fans
4. DC bridge
5. Charge regulator
6. Pulley.

Generator terminals 

Fig 2: Identifying Generator Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Generator (GEN) terminals: 

• #A:1. B+
• #B:1. To central electronic module (CEM) or engine control module (ECM).