- Voltage regulator, alternator
- Alternator voltage regulator controlling the charging voltage
- Controls alternator output so the battery charges correctly without overvoltage
- MERCEDES-BENZ - 124, 190, 123; FORD - Escort; AUDI - 100, 80; CITROËN - BX; FIAT - UNO; ALFA ROMEO - 33; BMW - 3; ...