Question 3 years ago. I have a FI tech injection it says hook the fan wire to the ground. Currently i'm using a switch to turn the fan on. Where do I hook this wire to thr ground? Nice but a few suggestions i might add is you add a relay too save your switches from arching. Then use the thermostat for the switch cause they are low volts.
Switches arent designed for high voltage and abuse but the relay is. You can get the current for the thermostat at a switched 12v that way it only works when the car is on, and the proper temperature. Reply 5 years ago. DNAP I like your intelligent suggestions. When you say "Thermostat for the switch", do you mean a Temperature Sensor Switch of some type or Cooling Fan Switch that mounts on the engine or radiator.
If so do you know if they come in different temperature turn-on specifications? I'd like to do as described here, but with the relay, and I would like to have my cooling fan turn on at , or degrees in the summer and a higher temperature in the winter.
I would swap the sensors depending on the season. Reply 6 years ago. And maybe I will! I mean I did this project just for my engineering assignment but who knows maybe Ill do more work. Reply 6 years ago on Introduction. Thanks for the suggestion guys! Cut the power wire leading to the lighter, then cut a half-inch of covering from either side of the cut. Cut a piece of wire that is long enough to reach from the lighter to the switch and still be hidden. Twist the two ends of the lighter wire and the other end of the switch wire and solder them using solder and a soldering iron.
Tape the wires with electrical tape. Cut three pieces of wire long enough to reach from the switch through the firewall to the front of the engine compartment.
Run the wires through the dashboard, hiding them as well as possible. Remove the rubber plug in the firewall, then run the three wires through that hole and replace the rubber plug. Run two wires to the fan motor.
Cut the power and ground cables from the fan motor. Attach one of the new wires to the positive wire and one to the negative cable and solder them together. Protect them by covering them with electrical tape. Locate a body ground under the hood of the vehicle. So you can plug it into a cig type outlet, most 12v RV fans already come with that type plug. Start of suggested clip. Wiring this type of configuration requires a separate relay for each fan.
Yes, you can control dual fans separately. You can use dual thermostatic switches that control each fan individually for example. Why does my radiator have two fans? How do you hardwire a radiator fan? How do you wire a radiator fan directly to a battery? How do you wire an electric fan to a switch? How do you wire a electric fan relay? How do you wire a fan relay? Should both radiator fans be on?
When should radiator fans kick on? Your radiator fan should kick in at about degrees Fahrenheit. If you notice your vehicle is overheating or at the very least running hotter than it normally does, listen for the fan to see if you can hear it.
READ: what shoes with wide leg pants. The cooling fan relay is normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
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