12v Switching Power Relay Diagram. 80 amp relay 12v mgi sdware. Block diagram of switching power supply circuit.
Special applications with spdt relays. Use something called a relay. If the headlights are on and the drivers door is opened the door switch will complete the coil circuit which will complete the high current circuit to the warning buzzer.
In the below diagram i have shown a relay that switches the load.
The first diode near the top left of the diagram is to prevent 12v from going back into the accessory circuit. Connecting additional devices to the remote turn on wire relay wiring diagram. 12 volt spotlight wiring diagram manual e books 12 volt relay wiring diagram. The real benefit behind a relay is more than automation.