2018 Ford Fiesta Alternator Voltage Regulator: AV6N10300HATC

This listing features a brand-new, authentic Ford OEM (Original Equipment Manufacturer) alternator voltage regulator, part number AV6N10300HATC. Manufactured in the Netherlands, it’s guaranteed to meet the highest quality standards. We offer the best price available.

The Ford Fiesta 2018 alternator voltage regulator is a vital component of your vehicle’s charging system, residing within the alternator itself. Its primary function is to precisely control the alternator’s output voltage. This integrated circuit (IC), a miniature electronic marvel, houses transistors, diodes, resistors, and logic circuitry, all working in concert to maintain a stable electrical current.

This sophisticated chip is essential for managing the alternator’s power output. As engine speed fluctuates, so does the alternator’s output. The regulator expertly compensates for these variations, providing a consistent power supply to your vehicle’s electrical systems. The regulator’s role is paramount in ensuring reliable performance of all onboard electronics. Its compact design allows for seamless integration within the alternator, connecting directly to the charging system for precise current regulation.

The regulator incorporates an intelligent controller that monitors various sensor inputs and dynamically adjusts the alternator’s output to meet the vehicle’s power demands while maintaining system stability. The alternator typically remains inactive during initial engine startup. Only after a brief delay (2-10 seconds) does the alternator begin to charge the battery gradually. This staggered approach ensures efficient cold-weather starts and optimized battery performance. This design minimizes wear and tear on the system’s mechanical components.

The alternator’s regulated voltage, as specified by the manufacturer, typically falls within the 14-15V range. Instead of constantly adjusting rotor current, the regulator employs a sophisticated pulse-width modulation technique—switching the current on and off at varying intervals. A longer “on” time compared to “off” time results in greater energy efficiency. Conversely, shorter “on” times lead to lower output. This intelligent approach optimizes energy usage based on the vehicle’s needs. The regulator also intelligently compensates for variations in battery charging characteristics due to ambient temperature changes, adhering to the manufacturer’s specified temperature coefficient.

Vehicle Compatibility