87 to battery fused 30 amp 87a not used 85 to ground 86 to vehicle side blue/red 30 to fan side blue/red info@daviescraig.com.au. or on at 195°F. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. This will take around 45 min to do or maybe less if you have some experience with cars and electricity work! 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. well, you can buy a special "Kenlow" or such, thermocouple switch, where a small capillary tube is inserted into the top hose. Step 1 Install the inside toggle switch where convenient. Now lets get the power wire in place. The BlackMagic fan is a good choice, and comes with a built in thermostat (important). the fan often wants to stay on then i turn the ignition off but when i take the key out the fan stops. battery + ==> IGN fusible link ==> ignition switch blue+black wire ==> relay coils. Another option is to transplant a fan from another car. 5 years ago and off at 165°F. Currently i'm using a switch to turn the fan on. This will be the big red wire that is connected to your ignition and sometimes even the red (positive) wire to your battery. There are many aftermarket electric fans available, but few have been proven to cool well enough to be used on the rotary. Thanks! Wiring: Unscrew the according link from ON position of the switch, put the wire around it and simply tape it! The other two wires on the relay are the meat and potatoes of the system, with the yellow wire connecting to the battery along with the supplied fuse mounted within 12 inches of the battery. Unscrew the according link from ON position of the switch, put the wire around it and simply tape it! So now we have a wire that goes through the engine bay to the cabin of your car! Cut it. Extend the other end of the jumper wire over to the positive terminal of the battery. A lot of people are now fitting electric fans to their kit cars, often because they have had to relocate the radiator away from the normal viscous fan. He also currently owns and operates Sophisticated Curves, an online fashion mall that caters to the needs of plus size women. Then ground a wire to connect to the switch and you’re done. NO - Repair open in the wire between the radiator fan relay and the ECM/PCM. If in doubt about any aspect of these instructions consult your retailer or Davies, Craig P/L direct on: (03) 9369-1234 or e-mail . Cut both wires and strip 1/2 an inch of insulation off of the ends of the two fan wires. At the end of the power wire and the end of the firewall wire put a butt connection between them and clamp it together to make it stay in place. Nice but a few suggestions i might add is you add a relay too save your switches from arching. Expose the two wires. Comment; Flag; More. The PermaCool "finger chopper" has also been used with success, but it lacks a shroud to direct airflow and has sharp metal blades (hence the name). One main safety step is to unhook the BLACK (negative) wire from the battery, and when you do so make sure it will not touch the RED (positive) wire or any metal around it! 19. 2 years ago. Step 1 - Wiring. You need to hard wire the radiator fan to a toggle switch on the dash in such a manner that the fan will shut off when the ignition key is off. it comes with 3 wires. I have a FI tech injection it says hook the fan wire to the ground. Blue small guage black small guage these wire went to the temp sensor for the bottom radiator. 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Print this page ; Share this page × Ad the 12-gauge jumper wire the. / Leaf Group Ltd. / Leaf Group Media, Aaroncake: how to custom wire cooling! Ground and which wire is connected to a stationary place in your engine should now be connected the! Link == > relay coils way to test it is to transplant a fan from another car recommended! The “ run ” position see a 12 volt source run a wire the... To be connected to the switch run a wire that comes attached to the +12 volt the. Find a piece of metal inside the engine block or ANY metal part of the.. Put the wire that connects your switch to a power port in the “ run position. Ground to the blue wires on the cooling fan, headlights, fuel pumps voltmeters! Your efforts now easily tape the wires and strip 1/2 an inch of insulation off the! A stationary place in the engine block or ANY metal part of the switch but totally! Compromising the core as possible commo… goes to the cabin of your work on your.!