Generator (GEN) design

Fig 1: Identifying Generator Components

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 (GEN) terminals: 

Fig 2: Identifying Generator Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

• #A:1 (B+)
• #B:1 (L)
• #B:2 (DF), only diesel engines D5252T.

On D5252T diesel engines the wiring for the L signal and DF signal are mounted in a common two pin connector.

Ground terminal via the cylinder block.