Cooling Fan Power Wire At Michael Harmon Blog The popular thunderbird,taurus, and lincoln mark 8 fans are similar, as are some volvo fans. i know the volvo fans run a 70 amp relay. it takes a lot of power to move a lot of air. the cooling components fan directions state that it will fry a typical 30 amp relay. the leads on the motor are 10 gauge. I thought it was best to dive right into the wiring diagram and figure out how to make it work with the oem fan module. after drawing out 10 different ways to wire the fans, i found the easiest way to make it work. no need for aftermarket controllers, or to have the fans on all the time. this is how to wire two electric cooling fans on a mk3.
Cooling Fan Wiring With dual cooling fans, there are two methods for wiring up the relay kit. 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. for smaller fans, both fans can be connected to a single relay as shown above, and the proper fuse should be. This is one area that can get new to wiring people in trouble. “the biggest mistake people make when wiring a fan up into their car is making it overly complex. in the most basic sense, all the fan needs to run is power and ground. give the fan 12 or 24 volts, depending on what fan is purchased and it runs rain or shine. 2914 posts · joined 2002. #15 · feb 8, 2017. just replace "fan" with "relay" in the diagram. you don't need to think about powering the fan when it comes to the switches. just think about energizing (which is making the ground) the relay. mkiv roadster .ffr7694. 3 link moser, wilwood brakes, 347, tko. Use wire connectors to secure the wires. connect the wires: connect the red wire of the cooling fan to the positive terminal of the power source and the black wire to the negative terminal. if the cooling fan has a yellow tachometer wire, connect it to the appropriate pin on the motherboard for monitoring fan speed.
Cooling Fan Wire Diagram 2914 posts · joined 2002. #15 · feb 8, 2017. just replace "fan" with "relay" in the diagram. you don't need to think about powering the fan when it comes to the switches. just think about energizing (which is making the ground) the relay. mkiv roadster .ffr7694. 3 link moser, wilwood brakes, 347, tko. Use wire connectors to secure the wires. connect the wires: connect the red wire of the cooling fan to the positive terminal of the power source and the black wire to the negative terminal. if the cooling fan has a yellow tachometer wire, connect it to the appropriate pin on the motherboard for monitoring fan speed. Lastly, connect a fused constant power to both of the red wires on the relays. this is the load side of the relay and you should use a minimum of 14 gauge wire here. the white wire on the relay pigtail will not be used. with these dual fans wired up you can keep your car cool and not have to worry about clearance issues!. Identify the wiring: examine the existing wiring to your cooling fan. you should see a power wire and a ground wire. the color coding may vary, but typically, red is the power wire, and black is the ground wire. cut the wires: carefully cut the wires connected to the thermal switch or sensor. be sure to leave enough wire on the sensor’s side.
Electric Cooling Fan Faq Lastly, connect a fused constant power to both of the red wires on the relays. this is the load side of the relay and you should use a minimum of 14 gauge wire here. the white wire on the relay pigtail will not be used. with these dual fans wired up you can keep your car cool and not have to worry about clearance issues!. Identify the wiring: examine the existing wiring to your cooling fan. you should see a power wire and a ground wire. the color coding may vary, but typically, red is the power wire, and black is the ground wire. cut the wires: carefully cut the wires connected to the thermal switch or sensor. be sure to leave enough wire on the sensor’s side.
How To Properly Wire Electric Cooling Fans
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