How does the ignition switch work?
An ignition switch is responsible for supplying power to all the electrical components of the engine. Your ignition switch has from two to four settings, depending on the make and model of vehicle.DesignThe switch is spring loaded to snap back from the “Start” position to the “Run” position.Auxiliary SettingIn the “Auxiliary” setting, power is supplied to electrical components, such as the radio, heater and lights. However, components that draw too much power from the battery remain off to prevent the battery from being drained.Run SettingIn the “Run” setting, the ignition switch continues to supply power to all electrical automotive equipment, such as the fuel pump and engine sensor applications.Start PositionThe “Start” position actuates the engine to start.
