This video provides an overview of the charging system, with its battery, alternator, voltage regulator, and starter solenoid; a detailed examination of the alternator and its construction; a close-up look at the function of the alternator’s rectifier; and a historical comparison of three types of voltage regulators: the contact point regulator, the remote solid-state regulator, and today's internal voltage regulator. A viewable/printable instructor’s guide is available online. Correlates to National CTE Organizational Standards (including the provisions of the Perkins Act). A Shopware Production. Part of the series Electrical Systems. (14 minutes)