Electric Fan 2 Speed Cooling Fan Wiring Diagram

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.

Electric fan 2 speed cooling fan wiring diagram.

Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note. The stock has 2 fans. Wiring dual cooling fans.

The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. 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. This wiring diagram uses three relays. Most stand alone adjustable thermostats i e.

Aftermarket is just one big fan. Just an idea on how to wire up electric cooling fans for your vehicle cooling fans. Four mounting hole locations on the electric fan on the radiator side. With dual cooling fans there are two methods for wiring up the relay kit.

Https amzn to 377klrp those fans fit perfect on 68 72 gm a body cars bu. 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. Each should have the capacity of a single fan.

2 speed cooling fan wiring diagram 2 speed electric cooling fan wiring diagram youtube 2 speed cooling fan wiring diagram wiring diagram is a simplified adequate pictorial representation of an electrical circuit. 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. It uses a 40 amp electric relay and electric fan sensor. Than use a 30 a.

Fan speed control the idea here is that fans are 12 volt motors and typically will work at reduced capacity at a lower voltage. Automatic 2 speed fan control ok here is a true 2 speed fan control. 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. Im trying to help my friend out with his new radiator and radiator fan wiring setup.

Lets say we put both fans in series. The car runs up to 210 and the fan does not turn on.