Can two fans run on one relay?

One HD relay that can handle the current from both fans together, or two single relay’s. I’ve always just ran two 30amp relay’s and split the trigger wire so they turn on at the same time.

How do dual radiator fans work?

Dual Radiator Fan- dual fans are assembled in two’s. They operate together to move air through the radiator core, providing a more effecting cooling effect. Dual radiator configurations are suitable for large engines that need a higher CFM rating.

Can you run electric fans on both sides of the radiator?

You can put 2 fans in both sides of the AIO’s rad. This is called the Push AND Pull setup (as opposed to the Push OR Pull setup).

What is a fan relay switch?

The cooling fan relay essentially functions as, the switch for the engine’s cooling fans. And, is therefore an important electrical component, of the vehicle’s cooling system.

How do I wire a dual fan?

There are several ways that a dual fan can be wired. For example, dual thermostat switches or dual relays could be used to control each fan separately. Or a single relay could be used to control both fans.

What type of electrical relay does the fan control system use?

It uses a 40-Amp Electric Relay and Electric Fan Sensor. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay (tab 87).

How do you wire a 40 amp fan relay?

It uses a 40-Amp Electric Relay and Electric Fan Sensor. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay (tab 87). Then connect switched power (usually from your ignition switch), to the blue wires on both relays (tab 86).

Do I need a second relay kit for my fans?

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.