You need a couple of wires to the coil so that you could operate the relay itself. Install the temperature controlled sending unit in one of the cooling passage.
Relay Re42 12 V 85 Ohm Coil 40a 30a Spdt
How to wire a 12 volt relay. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit. In this video i show you how to wire a 12 volt automotive bosch style relay. 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. How to wire an electric fan with a relay on a classic car installing the thermostatic sending unit. It reveals the components of the circuit as simplified shapes and also the power and signal connections in between the tools. You need another two wires to attach to the relay contacts to apply power to the accessory.
This can be the same supply you use to power the coil. Take note that you adequate electrical skills in order to wire a 12v relay. This video covers both 4 and 5 pin 12vdc relays. Mounting the electric fan relay. Where to mount the relay is up to you and painless performance supplies a. Connect the common c terminal of the relay to a battery supply.
To wire a 12 volt automotive relay you need to make at least four connections. Assortment of 12 volt relay wiring diagram. Connect the power input lead from the equipment you want to operate with the relay to the normally open no terminal of the relay.