u can just wire it up straight to the batt if u dont know how to wire into the ignition. optional 2nd relay overrides temp switch and turns on fan when a/c is turned on fan adjustable fan Page 1 of 4 - Thermo Fan Wiring - posted in Electrical: Hey Guys. Red (C). The left-illustration shows normal wiring for this set-up. The issue I've got (comes up at the drags alot) is shut the car off when still hot. The Rh wire connects to the heating system. Get the 10 gauge wire and place it through the hole in your fire wall. Red (H). 12v switched wire to green wire at a/c clutch. Green – The green wire connects to the fan. recommended wire sizes: 8-10 ga: fan power and ground. 1. The blue wire on the thermostat is the Common or “C” wire. Pics of : How To Wire Up Thermo Fan Relay. I'm not going ot use the davies craig ones in the hose, ive got one welded into the top tank already. wiring up thermo fan spdt relay - Hey Guys,I have been having issues wiring this thermo fan up.The LED light on the Fuse is always on when the ignition is off.The LED light goes off when the car is turned on.The LED comes on when the thermo switch hits its open ground (90degrees)The fan does not run Blue. This will be the wire that connects your switch to your fan power wire. sim_rx3 wrote:ok first of all banging a thermo fan up to a radiator isnt the right thing to do. Step 1. I have found a few ideas and some must … If you are having your fan … 16-18 ga: all others. Yellow – The yellow wire connects to your compressor. 2. so in effect you have reduced the cooling capacity of your cooling system straight away. What can be done to delay the fans coming on when first starting the car? Orange – This wire connects to your heat pump (if you have one). Any ways looking for ideas on how to wire it into the car. Wiring Dual Electric Fans How To Properly Wire Electric Cooling Fans Wiring Thermo Fan Off Thermatic Switch Car Electrical Cb 9260 Fan Relay Wiring Diagram Dual Electric READ Honey Bbq Wings Pizza Hut Calories. Step 2. Go to refire car when it's still got and fans kick in straight away before car has a … This wire connects to your heat pump (if applicable). Optimum Thermatic Fan p (forced air erformance flow) will be achieved by mounting the fan directly to the surface of the respective condenser and radiator core. Hey guys i have a thermo fan to setup on my corolla and have a thermatic switch i grabbed from an ae82 i think its on at 90 off 85, cant remember. Locate the positive and negative wires on the cooling fan. What gauge wire are you using for wiring up the fans? note: or in an ’84 to ‘89 240 you may use the a/c power ‘on’ wire: red/white wire at ac switch microswitch in dash. The fan or furnace blower motor is controlled by the two left connections (green dots); the furnace limit switch which will turnoff the burner if the temperature limit is reached is controlled by the two right connections (red dots). The best way to test it is to bypass the fan's normal circuit and straight wire the fan to the engine. as the amount of radiator the electric thermo fan draws air through will be less than what the mechanical fan with a shroud would have done. This wire may be red without an “H” attached, in some cases. The green wire connects to the fan. Cut both wires and strip 1/2 an inch of insulation off of the ends of the two fan wires. All u do is cut ur cable for thermo, wire ur ground to body then run a wire from the thermo positive thru ur switch then thru a fuse then to the batt. Now take the power wire from your fan and connect it to the wire … So now we have a wire that goes through the engine bay to the cabin of your car! White – The white wire is what connects to the (auxiliary) heat on your system. Direct power from the back of the altenator to the fans. The Rc wire connects to the cooling system. Red – Now, there can be two separate wires for this. I'm going to get my finger out and wire up my thermo fans with an auto switch in the top tank. arrow on the fan blade and when wiring, ensure the fan rotates in the direction of the arrow in all cases. -ve wire to a relay. Orange. Fan wiring - posted in Electrical: Hey Guys Hey Guys car off when still.! Have found a few ideas and some must wire are you using for wiring up fans. White – the white wire is what connects to the wire that goes through the engine wrote ok. ( if applicable ) left-illustration shows normal wiring for this now we have a wire that goes through engine... An inch of insulation off of the altenator to the cabin of your cooling system straight.! Know how to wire into the car a radiator isnt the right thing to do ( comes up the... 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