How To Wire Electric Fans On Radiator Step 3: install the electric fan relay. after wiring the electric fan to the proper power source, the next step is to install the electric fan relay. the electric fan relay is an important component that controls the operation of the electric fan. it acts as a switch, turning the fan on and off when needed. With dual cooling fans, there are two methods for wiring up the relay kit. this is based on the draw from the fans, if the fans are larger and draw more than 15 amps each, it's recommended to install a second relay kit as shown below. for smaller fans, both fans can be connected to a single relay as shown above, and the proper fuse should be.
How To Wire Dual Electric Radiator Fans This video shows how to easily wire an electric radiator fan circuit into any car. this fan wiring diagram includes a fan relay, a temperature switch, and a. This can be done using a ring terminal or spade connector.for a parallel setup, connect each fan to its respective relay using the appropriate wiring and connectors. for a series setup, connect the positive wire from the power source to one fan, and connect the negative wire from that fan to the positive wire of the other fan, then connect the negative wire from the second fan to the relay. Start with taking both of the positive wires from the fans and connect them to the yellow wires on each relay. you will then need to run switched power (usually from your ignition switch, but modern replacement wiring harnesses usually have a fused fan relay trigger wire) to the blue wires on the relays. next, both of the black wires from the. The simplest method of wiring an electric fan is to use a relay that is switched on and off by the ignition switch. this method works well to cool the vehicle but the drawback is the fan will be running constantly when the ignition is on. fan noise and added electrical system load will be present at all times.
Comments are closed.