You need a couple of wires to the coil so that you could operate the relay itself. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit.
![Dpdt Relay](https://www.electroschematics.com/wp-content/uploads/2014/01/DPDT-switch.png?fit=861%2C453)
Dpdt Relay
How to wire a 12 volt relay. Where to mount the relay is up to you and painless performance supplies a. Install the temperature controlled sending unit in one of the cooling passage. How to wire an electric fan with a relay on a classic car installing the thermostatic sending unit. You need another two wires to attach to the relay contacts to apply power to the accessory. It reveals the components of the circuit as simplified shapes and also the power and signal connections in between the tools. To wire a 12 volt automotive relay you need to make at least four connections.
Assortment of 12 volt relay wiring diagram. 12 volt relay wiring diagram sample july 30 2018 july 3 2018 by faceitsalon assortment of 12 volt relay wiring diagram youll be able to download for free. Take note that you adequate electrical skills in order to wire a 12v relay. This video covers both 4 and 5 pin 12vdc relays. In this video i show you how to wire a 12 volt automotive bosch style relay. Connect the power input lead from the equipment you want to operate with the relay to the normally open no terminal of the relay.
Mounting the electric fan relay. Connect the common c terminal of the relay to a battery supply. This can be the same supply you use to power the coil.