Limits the alternator field current as necessary

Permits current to flow in one direction only

Takes heat from the diodes

To increase the current flow

Regulator

Rotor coil

Slip ring

Rectifier diode

Drive pinion

Ring gear

Drive pulley

Drive coupling

Starter switch

Solenoid switch

Plunger

Ignition switch

Armature

Armature shaft

End cover

Commutator