While these steps will help to keep your AC system in top shape, be aware that there are maintenance items that only a trained HVAC technician will be able to do... The bottom line? While some AC maintenance can be done by a savvy homeowner, it’s still necessary to have an expert technician check the system periodically.
2. Charging System This is the heart of the electrical system. It consists of three main components: the belt-driven alternator, various electrical circuits, and a voltage regulator. The alternator supplies power to the electrical system and recharges the battery after your car has started. Just like it sounds, the voltage regulator controls the voltage, keeping it within the operating range of the electrical system.