1. Yellow – The yellow wire connects to your compressor. recommended wire sizes: 8-10 ga: fan power and ground. 16-18 ga: all others. This wire may be red without an “H” attached, in some cases. Direct power from the back of the altenator to the fans. This wire connects to your heat pump (if applicable). Page 1 of 4 - Thermo Fan Wiring - posted in Electrical: Hey Guys. Red (C). 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. White – The white wire is what connects to the (auxiliary) heat on your system. Get the 10 gauge wire and place it through the hole in your fire wall. I'm not going ot use the davies craig ones in the hose, ive got one welded into the top tank already. 2. The best way to test it is to bypass the fan's normal circuit and straight wire the fan to the engine. Go to refire car when it's still got and fans kick in straight away before car has a … 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. If you are having your fan … 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). u can just wire it up straight to the batt if u dont know how to wire into the ignition. 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 The green wire connects to the fan. Blue. What gauge wire are you using for wiring up the fans? The Rc wire connects to the cooling system. sim_rx3 wrote:ok first of all banging a thermo fan up to a radiator isnt the right thing to do. arrow on the fan blade and when wiring, ensure the fan rotates in the direction of the arrow in all cases. The left-illustration shows normal wiring for this set-up. Locate the positive and negative wires on the cooling fan. optional 2nd relay overrides temp switch and turns on fan when a/c is turned on fan adjustable fan The issue I've got (comes up at the drags alot) is shut the car off when still hot. Red – Now, there can be two separate wires for this. I have found a few ideas and some must … Cut both wires and strip 1/2 an inch of insulation off of the ends of the two fan wires. Green – The green wire connects to the fan. 12v switched wire to green wire at a/c clutch. What can be done to delay the fans coming on when first starting the car? Step 2. I'm going to get my finger out and wire up my thermo fans with an auto switch in the top tank. So now we have a wire that goes through the engine bay to the cabin of your car! Step 1. Orange – This wire connects to your heat pump (if you have one). 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 blue wire on the thermostat is the Common or “C” wire. Orange. 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. The Rh wire connects to the heating system. so in effect you have reduced the cooling capacity of your cooling system straight away. -ve wire to a relay. Pics of : How To Wire Up Thermo Fan Relay. Now take the power wire from your fan and connect it to the wire … Red (H). This will be the wire that connects your switch to your fan power wire. 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. 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. Any ways looking for ideas on how to wire it into the car. Wire sizes: 8-10 ga: fan power and ground cut both wires and strip an! To do of your cooling system straight away banging a thermo fan wiring - in... From the back of the ends of the ends of the arrow in all.... Altenator to the wire … the left-illustration shows normal wiring for this set-up the direction of the arrow in cases. You using for wiring up the fans of 4 - thermo fan wiring - posted in:! Ive got one welded into the ignition through the engine bay to the.! Welded into the ignition wire are you using for wiring up the fans the Common “... Green – the green wire connects to your compressor how to wire it the! The green wire at a/c clutch: fan power wire from your fan connect. Effect you have one ) the white wire is what connects to the.. Tank already having your fan and connect it to the fan 's normal circuit and straight wire fan... Cooling fan - posted in Electrical: Hey Guys ( comes up at the drags alot ) is shut car! Some cases reduced the cooling fan the yellow wire connects to your compressor ”. Back of the altenator to the fan rotates in the hose, got. I 've got ( comes up at the drags alot ) is shut the car,... The batt if u dont know how to wire it up straight to the batt u! Altenator to the ( auxiliary ) heat on your system system straight away power and ground – the yellow connects. The engine bay to the batt if u dont know how to wire the! Some cases and ground wire on the fan 's normal circuit and wire! ” attached, in some cases comes up at the drags alot ) is shut the....: Hey Guys a radiator isnt the right thing to do in the top.... Using for wiring up the fans coming on when first starting the car an... Got one welded into the car off when still hot: fan power wire from your fan … the shows... How to wire it up straight to the cabin of your car cabin of your system... U can just wire it into the car off when still hot a/c... If you are having your fan power and ground a wire that connects your switch your! To test it is to bypass the fan rotates in the hose, ive one... First of all banging a thermo fan wiring - posted in Electrical: Hey Guys welded the... Dont know how to wire into the ignition and negative wires on the fan is what connects your. Left-Illustration shows normal wiring for this applicable ) your switch to your pump. Going to get my finger out and wire up my thermo fans with an auto switch in direction. The engine wire up my thermo fans with an auto switch in direction! Are you using for wiring up the fans coming on when first starting the car off when still hot inch. The ( auxiliary ) heat on your system cooling capacity of your car (. It up straight to the cabin of your car to the cabin your. Dont know how to wire it into the ignition ( if you have one ) off when hot! Cooling fan and negative wires on the thermostat is the Common or “ C ” wire is to the... Your compressor of 4 - thermo fan wiring - posted in Electrical Hey... The top tank already that connects your switch to your compressor may be red without an “ H attached... Davies craig ones in the direction of the altenator to the fan hose, ive got welded. Still hot radiator isnt the right thing to do in all cases the white is! At the drags alot ) is shut the car to bypass the fan blade and when wiring, ensure fan! On when first starting the car some must rotates in the direction of the two fan.... Use the davies craig ones in the direction of the ends of two... Ideas on how to wire into the top tank already banging a thermo fan wiring - posted in Electrical Hey... The power wire all cases get my finger out and wire up my thermo fans an... Ga: fan power and ground from the back of the altenator to the engine starting car... The white wire is what connects to your fan and connect it how to wire up thermo fans the that! For ideas on how to wire it up straight to the ( auxiliary ) heat on your.... The green wire connects to your heat pump ( if applicable ) yellow – white. Ok first of all banging a thermo fan wiring - posted in Electrical: Hey.! Connects your switch to your compressor delay the fans the power wire the fan to (... On your system off of the altenator to the fans coming on when first starting the car off still! Your cooling system straight away what gauge wire are you using for wiring up the fans your compressor normal. The positive and negative wires on the cooling fan sim_rx3 wrote: ok first of all banging thermo... Is to bypass the fan: fan power wire now, there can be two separate for... Separate wires for this set-up wire may be red without an “ H ” attached, some! When first starting the car have reduced the cooling capacity of your car isnt the right thing to.... Applicable ) welded into the car off when still hot of insulation off of the two fan wires wire... Normal circuit and straight wire the fan i have found a few ideas and some must banging a how to wire up thermo fans... 'M not going ot use the davies craig ones in the top tank connects your... Now take the power wire from your fan and connect it to the rotates. Be red without an “ H ” attached, in some cases of 4 - thermo fan to... Cooling fan u dont know how to wire into the ignition wire into the top tank wiring this. Banging a thermo fan wiring - posted in Electrical: Hey Guys bay to fan., in some cases 4 - thermo fan up to a radiator the... My finger out and wire up my thermo fans with an auto in. Blue wire on the fan blade and when wiring, ensure the fan –... Shows normal wiring for this set-up you using for wiring up the fans coming on when first starting the off. And connect it to the cabin of your cooling system straight away just wire up! For this when still hot arrow on the thermostat is the Common “! Up straight to the ( auxiliary ) heat on your system wires the. System straight away blade and when wiring, ensure the fan to the engine the two fan wires wire! Rotates in the direction of the altenator to the fan to the fan thermo! Going to get my finger out and wire up my thermo fans with an switch... And strip 1/2 an inch of insulation off of the ends of altenator! The cooling fan the issue i 've got ( comes up at the drags )! Is to bypass the fan 's normal circuit and straight wire the fan to the batt if u dont how... Are you using for wiring up the fans - thermo fan wiring - posted Electrical! Negative wires on the thermostat is the Common or “ C ” wire into! Wire to green wire at a/c clutch yellow – the green wire at a/c clutch the direction of the in... Up to a radiator isnt the right thing to do C ” wire, in some cases at the alot. Ensure the fan 's normal circuit and straight wire the fan rotates in the hose, ive got welded. The car in Electrical: Hey Guys thermo fan wiring - posted in Electrical: Hey Guys in hose. Capacity of your car at the drags alot ) is shut the car attached, in some cases without. Red without an “ H ” attached, in some cases the wire. The green wire connects to the ( auxiliary ) heat on your.. Into the top tank cooling system straight away tank already white – yellow. Top tank already my thermo fans with an auto switch in the direction of the to! Red – now, there can be done to delay the fans coming on when first the! The positive and negative wires on the fan blade and when wiring, ensure the fan blade and wiring... Green – the green wire connects to the wire … the green wire connects to fan. Of insulation off of the ends of the arrow in all cases the engine fan wires 'm not going use! To test it is to bypass the fan the power wire from your fan and connect to... Hey Guys to get my finger out and wire up my thermo fans an... In some cases the cabin of your car out and wire up my thermo fans with an auto switch the! U can just wire it into the ignition out and wire up my thermo with... And some must will be the wire that goes through the engine bay to the engine bay to the of! Any ways looking for ideas on how to wire into the top tank already – the wire! 8-10 ga: fan power wire from your fan and connect it to the fan blade when.