Dual Cooling Fan Relay Wiring Diagram

Or a single relay could be used to control both fans.

Dual cooling fan relay wiring diagram.

With dual cooling fans there are two methods for wiring up the relay kit. There are several ways that a dual fan can be wired. Electric fan relay wiring kit schematic diagram 1 dual fans wire a3 hyundai radiator ricks free auto repair cooling faq gm trusted nissan altima gone balmoond19 volvo 850 engine volvotips ot 0845 sd thermostat 100s 81h bury seclon de electric fan relay wiring kit schematic diagram 1 wiring dual electric fans electric fan wire diagram a3 wiring hyundai read more. Electric fan relay wiring diagram wiring diagram is a simplified tolerable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices.

It uses a 40 amp electric relay and electric fan sensor. Cooling fan relay wiring diagram how to wire a fan relay hvac in dual fan relay wiring diagram image size 730 x 656 px and to view image details please click the image. Primary cooling fan dual fans with dual relays single speed on off using ground switched devices only for primary activation using dual relays for two fans is not required. Wiring dual cooling fans.

You could use one relay. 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. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. 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.

And if a relay fails you will still have one fan running.