alternator structure

[sea mania]

Photo is an alternator removed from 2007 Volvo Fenta 4.3. There are L, B and P terminals on the cover, but I don't know what the P terminals are. I want to know what the P terminal does.

 

[Scott Danforth]

wiring diagrams in the service manual.

however P is for pulse....its what drives the tach on diesel motors.