- Voltage regulator, alternator
- Alternator voltage regulator controlling the charging voltage
- Controls alternator output so the battery charges correctly without overvoltage
- WAI "IB680" - Not available
OPEL - Astra, Vectra, Signum, Corsa, Meriva; FIAT - Stilo, Doblo; SAAB - 9-5; CHEVROLET - Corsa, Astra