Auto Relay Switch Diagram. In the most simple terms an automotive relay is an electronically operated switch. Relays allow a small current flow circuit to control a higher current circuit.
This diagram will show you how simple it is to control motors lights valves other relays and any type load you want. The type most commonly used in the automotive industry is an electro mechanically operated switch. There are different kinds of relays for different purposes.
A relay is an electrically operated switch.
This video will explain details of how to wire a relay. China 4 pin relay wiring diagram horn manufacturers and suppliers factory whole meishuo electric 3 sets 12v 40a spst automotive car 4pin relay and 4 wires harness how to wire a 30 40 relay you rh jd1912 diagram pressure china 4 pin relay switch manufacturers and suppliers factory whole meishuo electric 4 pin relay wiring read more. Relay switch circuit diagram working of the basic 5v relay circuit in the above circuit 5v relay is powered by a 9v battery. 5 now assuming the grid mains is restored the 12v from mains adapter will switch on relay rly2 which will switch the load immediately to the grid mains.