Electronic switchs

Electronic Control Switches are Control devices used in electrical circuits on vehicles include a variety of switches, relays, and solenoids.
Electronic control devices include capacitors, diodes, and transistors. Controls are needed to start, stop, or redirect current flow. Most switches require physical movement for operation, relays and solenoids are operated with electromagnetism, but electronic controls are operated electrically.

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Electronic switchs types

• Switchs

  Switches are the most common circuit control device. They usually have two or more sets of contacts. Opening the contacts is called "opening" or "breaking the circuit," while closing the contacts is called "closing" or "making" the circuit.

• Relays

  A relay is simply a remote-control switch, which uses a small amount of current to control a large amount of current. A typical relay has a control circuit and a power circuit. The control circuit is fed current by the power source, and the current flows through a switch and an electromagnetic coil to ground.

• Solenoids

  Solenoids are electromagnetic switches with a movable core that converts current flow into mechanical movement. In a "pulling" type solenoid, the magnetic field pulls a core into a coil. These solenoids are called magnetic switches.