Ac Wiring Diagram With Dual Electric Fans. Wiring dual cooling fans. The relay isolates the high amp load of the fan circuit from the switching circuit.
The cooling fan wiring diagram below is what weve found to be the simplest and most reliable method. Dual fans with dual relays single speed onoff. The holley efi ac shutdown feature requires a relay for operation.
There are quite a few options when adding an electric fan to your muscle car or hot rod project.
This video shows hooking up the spal electrical fans to the ac clutch so that the. 30 amp fuse 86 30 87 85 optional 2nd relay. Installing dual electric fans to have fan 1 come on at one temp and fan 2 to come on at a higher temp do i need to have two independent sensors. This is part 3 of my griffin 2 core all aluminum radiator install series.