Wiring dual cooling fans. With dual cooling fans there are two methods for wiring up the relay kit.
Cooling Fan Relay Modification
Radiator fan wiring diagram. You will then need switched power usually from your ignition switch wired to the blue wires on the relays. When installing an auxiliary fan or simply wiring the factory fan so that the driver can manually turn the fan on and off make sure the fan is turning in the right direction. But other chrysler and dodge vehicles use a more traditional radiator fan relay. Some dodge vehicles have a solid state radiator fan controller that varies the fan speeds by pulsing the ground to the radiator fan motor. This is based on the draw from the fans if the fans are larger and draw more than 15 amps each its recommended to install a second relay kit as shown below. Most stand alone adjustable thermostats ie.
Relays shown in these diagrams can provide options. This is the dodge radiator fan wiring diagram for the traditional version. Start with taking both of the positive wires from the fans and run it to the yellow wires on each relay. The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. If the fan is not turning in the right direction air will be blown away from the radiator and will not help to cool the radiator.
Suggested electric fan wiring diagrams suggested primary cooling fan single speed onoff using 12 volt switching devices only for primary activation note. How dodge radiator fan wiring diagram is set up.
Gallery of Radiator Fan Wiring Diagram
