Alternator Regulators - BOSCH: Description
NOTE:
For models using integral alternator regulators, see Fig 1
in this section.
Bosch regulators are provided in either transistorized solid state or the vibrating contact type. Vibrating type is mounted separate from alternator. Solid state type may be integral with alternator or separately mounted. Vibrator model is designated "ADN" and externally mounted solid state type is designated "ED". Integral mounted solid state regulator is designated "EE".