Genuine Dodge Grand Caravan Voltage Regulator

In Dodge Grand Caravan vehicles, the Voltage Regulator is design to regulate the voltage output by the alternator to levels that do not harm the battery and other components in the electrical system with levels of voltage ranging from 13.5 to 14.5 volts. This it does through the battery voltage and system demand so as to regulate the field current to the alternator rotor. When the battery needs charging, the regulator pulls in field current, to push it out when the battery is fully charged to avoid overcharging the battery. In the past, common to models of Dodge Grand Caravans, externally mounted mechanical voltage regulators have been used, which are susceptible to damages like pitting and sticking. These were subsequently replaced by electronic, solid-state voltage regulators that are more efficient and switching about 7000 times per second when the mechanical ones used to switch about 200 times per second. The newer model vehicles have gone even further by making the alternator itself selfregulating; the PCM now controls voltage level based on battery temperature and amount of load on the vehicle engine.

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