- Voltage regulator, alternator
- Alternator voltage regulator controlling the charging voltage
- Controls alternator output so the battery charges correctly without overvoltage
- Hart "515 315" - Not available
FIAT - 131, 124, Ritmo; VW - Passat; ALFA ROMEO - 33; OPEL - Rekord; FORD - Granada; BMW - 3, 5; AUDI - 80; ...