5 Pin Relay 5 pin relays provide 2 pins 85 86 to control the coil and 3 pins 30 87 87A which switch power. You will notice that on the Type B layout pins 86 and 30 are swapped over compared with the Type A layout. A normally open relay will switch power ON for a circuit when the coil is activated.
12 Volt Car Relays In Automotive Industry.
In this video I show you how to wire a 12 volt automotive Bosch style relay. 1 trick that I use is to print a similar wiring diagram off twice. Best Bosch Relay Wiring Diagram 5 Pole Electrical Outlet Symbol 2018. 12 Volt Wiring Diagram Best 12v Relay Pin 5 and Roc Grp org In.