Electric Fan 2 Speed Cooling Fan Wiring Diagram

Lets say we put both fans in series.

Electric fan 2 speed cooling fan wiring diagram.

The stock has 2 fans. 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. Just an idea on how to wire up electric cooling fans for your vehicle cooling fans. Aftermarket is just one big fan.

Https amzn to 377klrp those fans fit perfect on 68 72 gm a body cars bu. For this set up we also used two of the speedway universal electric radiator cooling fan part number 910158 which comes in a 10 12 14 or 16 inch diameter. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. This wiring diagram uses three relays.

Im trying to help my friend out with his new radiator and radiator fan wiring setup. Most stand alone adjustable thermostats i e. How to wire up a 2 speed ford taurus electric fan the relays i used is the zettler az979 1a 12de for low speed and az979 1c 12d for hi speed. Position the fan assembly against the radiator or air conditioning condenser in the desired location.

Than use a 30 a. Wiring dual cooling 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. Each should have the capacity of a single fan.

The car runs up to 210 and the fan does not turn on. Fan speed control the idea here is that fans are 12 volt motors and typically will work at reduced capacity at a lower voltage. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note. The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process.

It uses a 40 amp electric relay and electric fan sensor. Automatic 2 speed fan control ok here is a true 2 speed fan control. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. Four mounting hole locations on the electric fan on the radiator side.

See diagram 2 2. Take the four mounting rods and carefully install them through the electric fan mounting holes and then though either the radiator core or air.