All Vehicles Electrical Electronics Services System Etc, Electrical parts of a car Electrical components in automobile It had only switches, wires, relays and controlled motors as its key components but today's electrical system includes sensors, actuators, alternators, battery, oxygen sensors, generator, starter solenoid, starter drive, high power electrical system and other devices. youtube link:https://www.youtube.com/channel/UChn4rGMmYjeloFgbvKL7L4A?sub_confirmation=1