ELECTRIC COOLING FAN RELAY AND TEMPERATURE SWITCH WIRING
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- Опубликовано: 26 янв 2021
- How to wire electric radiator cooling fans using the Alloy Works relay and temperature switch kit. This kit can be purchased here: www.alloyworksplus.com/produc...
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Hi! I really appreciate you doing this video in a simple and detailed way. ALLOYWORKS some include a second relay and have a connector coming from both relays to connect directly to tepee dual fans. I’m still working on putting the dual fans and radiator in my 1973 Mustang.
Thanks for takin the time to make this video. After endless videos and forums of over complicating the process, yours made perfect sense and understandable.
Glad to hear the video helped you out! Be sure to share it if you think it may help others!👍
Thank you for this I recently purchased this kit and the instruction were contradictory...will install tomorrow. cheers. FYI this is going into my 1964 EH Holden.
Thank you for a video that was straight to the point, and I didn't have to go to electronics class. Did this install (after watching your video) in 45 mins. Thanks again.
Thanks for explaining the problem with the black ground wire. Why the manufacturer put that extra grounding loop is bizarre. Unless you want the fan running all the time. I disconnected it and now the fan comes on at the right temperature.
Thanks again. Great explanation.
Great video! I have looked for 4 days for all of this information! Thank you a thousand times!
Glad you found it helpful brother.
Pretty well explained it simple enough for just about anyone to understand 👍🏻
Yea we'll see, lol
Good explanation, wonder why alloy works couldn’t just print that on set of instructions and put it in the box??? Anyway, good job on the video. If you can’t follow those instructions you just gave there’s something wrong lol.
That would’ve made to much sense for AW to do, I just ordered the 03 suburban aluminum duel fan setup from AW for $321.46 and no information on wiring up and going from clutch fan to electric fan setup and little info on videos most are jokes or clickbait, I kinda figured AWG was to small for two fans just like with HID HO kits these companies need to and option for heavy duty relay wiring kits make life easier
Dam where has this video been. Missinhmg for years. Youve explained the best how to wire electric fans
Honestly I have not hooked up one of these kits in over 10 years and this channel is only four years old next month lol. I switched to fuel injection an LS engines 10 years ago so I’ve always used the computer to run my fans.
Gettin’ it done thanks to your simple yet thorough explanation! Thanks again!
Glad to hear it brother!
Thanks man I just got mine in for my truck and this was very helpful. Thanks 🤙
Top quality video, even a tech will double check every step before cracking on.
Doing this job on my bmw today haha.
Just purchased the aluminum radiator with dual fans from alloy works. Did not like the relay kit that came with it. So I went ahead and bought the PAINLESS brand relay kit. Part# 30116. Dual fan/ dual activation fan relay kit for A/c function. Will be installing all of it this Saturday. Hope everything goes smooth. Thanks for the explanation.
you are 100% correct about not running this on a dual fan setup, i just had my wires melt together thanks to them saying run both my 12" fans off this 1 wire harness they sent and sure enough the wires are not heavy enough to support 2- 80 watt fans it will melt the wires together, did not pop the fuse or the circuit breaker that came with the kit before the wires was on fire.......
This was a much needed video! I was having the same issue with that random ground dab. Thanks!
Glad I could help!
Best and easiest explanation I've come across. I got the same exact set up except my fans aren't one lower than the other. But when you say you run the battery wire straight to the battery, do I actually run it straight to the battery or to a battery 12v source
Very cool, i just ran a 30 Amp fused wire to power wire on fan from battery and 210-195 coolant switch, with a 195 engine thermostat to ground on the fan. On my 5.0 Ford Ranger.
Did you have any issues with the fans turning on? I changed the temp switch to that temp as well and the fans won’t turn on for me
@Jmaddox_14 check live data, watch the temperature rise on the screen, if it gets to 210 and no fans then replace switch or check wiring, ensure the fan actually works when it gets 12 volts. Iv got a bad fan out of the box before.
You may need a relay or two overtime, if down the road it starts blowing fuses
Men thanks a lot, I had my wires all screwd up, Thankfully I watch this video and change my stuff around
Great simple explanation for a important part of automotive wiring!
instablaster
@@keatonluis9053 ?
That was the easiest to understand explanation I’ve seen or heard yet
Thank you for the explanation of how to wire a fan relay I am going to try on my mustang tomorrow
Thank you for taking the time and doing a very informative video. My local shop wanted to charge me 350 to do this and I did it myself in 45mins after watching your video. Thanks Bro
Glad it helped
What if your in Florida and the thermostat was removed? Will the switch still work?
@@coachfaye6467 ruclips.net/video/AtE70ln_IBw/видео.html
45 mins? Damn! Okay. Deal.
Apreciate your time invested this is better then college and much cheaper LOL
Lol🤣
Nice and easy explanation 👍
Great video I'm buying that same set up for my 3rd generation Camaro.
Thanks that friggin loop I grounded was totally stumping me . Thank so much !
Glad I could help!
Thanks for making video simple and to the point man
Glad you found it helpful!👍
Finally someone explains it clearly. But I got a question. Can I install the temperature switch in the top radiator's hose ?( with a conector, of course) , I got a 2001 jeep cherokee and I bought a 3 fans radiator. I will appreciate your attention. Thanks, un advance
You can but you’ll get a more accurate reading in the head. It’ll work in the top hose but make just let the engine get a bit hotter before it triggers the fans is all.
My fan was continuously staying on! Dude!!! I wasted hours oh, but you saved me many! Thank you
Glad to hear the video helped you out!👍👍👍👍
My fans stay on after dropping the temperature below 185 and I’ve hooked it up just as u explain. Not sure why . And I do have a 160 thermostat
Thanks mate, I found your video very helpful. Keep up the great work. 👍👍👍
Glad it helped
Thanks for that info did the best job I've seen so far love the way you did it exactly thanks for again explaining it so good
Glad it was helpful!
Thank you for your time!
Thank you, this helped me so much, bought an ebay special that came with the wrong instructions
Thank you for taking your time to produce the informative video. I ordered one of these units for my v8 4runner today and plan on adding the additional relay. Would a 185 Degree ON 170(technically 175)Degree OFF work better than the supplied 185 Degree ON 160 Degree OFF?
Thank God! I thought I was confused but it turns out the wire was wrong. I kept going through my head thinking ''if I hard ground the black, what the hell is the switch for, and if so are they expecting me to wire the hot side to a one wire thermal switch?'' I knew neither would work and figured id take a RUclips break lol.
Quick question you mentioned a one terminal switch. My sensor has 2 terminals. Would I hook it up the same way? And just leave one terminal empty. Or is the other terminal for a 2nd fan? THANK YOU IN ADVANCED.
Thank God I watched all the way Until where you mentioned The DUAL FAN no no... I'm running DUAL Fans. Thsnk you
Thanks mate.. Ur presentation is really good. Really help me a lot.
Glad to hear it brother!
@@BadLuckGarage so i have a old 85 350 sbc with a 1 cyclone electric fan i have a -185 coolant temp switch and a 185 thermostat ...my fan come on but the they never go off....you said use a lower temp thermostat...were you speaking on a LS ENGINE OR OLD STYLE SBC WITH CAST IRON HEADS....what temperature thermostat should i go down to so the fan goes on and off .my temp gauge stays about 190 all the time..
Great explanation with no bs 👌
Glad you liked it!
Great job on explaining that.
Thank you sir
Thanks for the help. I have used about 4 or 5 of these and did it wrong each time. Also ask them to put a male fitting for the fan to match the female end on there.
i like your videos ! you have alot of confidence in what you do ! and a good life going! you can tell ! i need to have more of that. Thank you for all you do! You're a Kool Kat.. great videos !
Thank you so much!
really helpful. thank you
Thank you great video!!!
Thank you for this! This helped explain the harness well.
Maybe someone here can help me, if i want want to use the coolant switch and just want to run them to a switch, what wire would i use to switch?
Great video!!!! I'm putting an alloy works radiator in a 94 f150. For the white wire, does any switched ignition source work or which would u recommend me to tap into for the white wire?
Great explanation - thank you man !!
Glad it was helpful!
Your video was helpful and informative. Thank you.😅
Glad it was helpful!
Very informative video saved me from so much loss of time and money. Quick question my coolant temp sensor that is being used to ground the relays out can I splice into those two wires and add my green coolant temp gauge reading wire?
THANKS , GREAT VIDEO
I wonder why my fans were not turning on haha. Thank you so much for the video!
Glad it helped!
Thank you perfect explanation 👌
Glad you found it helpful!
Thank you for this!
Glad it was helpful!
Thanks for the info
Great video I got 1994 Chevy Beretta I just did a 3400 swap.I got everything hooked up..So if run the white wire to the battery does it goes the negative or positive side? The switch ignition source got my confused at the moment..lol Am sorry any info would be Greatly Appreciated
I hope so. Cause when it comes to wiring and electric stuff. I'm like the movie idocracry. And awiting my alloyworks radiator.
just what i needed
This is perfect
Might try this on my 305 van.
Nice straight up video thanks, now a/c fan turn on is next set up or can they be built together?
Great information thanks
Glad you found it helpful. 👍
I have this system you explained it fine. My question is I have a column ignition, I'm not sure where to run the white wire you said that went to the ignition. Please tell me how to connect the white wire to my column connectors. Thank you.
You don’t have to connect it to your column, just to an ignition hot. Meaning a wire that is 12v hot when your key is forward.
I've used these and they work for a few months and then develop a mind of their own. They don't turn on when needed and sometimes turn on without the key on
If the relay is wired properly, it’s impossible for the fan to turn on without the key. Even if the thermostat switch itself shorts to ground, there would be no power going across the relay without the key on unless you wired pin 85 or 86 straight to battery power, and that’s exactly why I told you NOT to wire it that way in this video. Which I’m assuming you didn’t pay attention to or you would have already known that.
@@BadLuckGarage they were wired exactly like the diagram provided
@@1979gmcummmins If the relay is wired properly, it’s impossible for the fan to turn on without the key. Even if the thermostat switch itself shorts to ground, there would be no power going across the relay without the key on unless you wired pin 85 or 86 straight to battery power, and that’s exactly why I told you NOT to wire it that way in this video.
@@BadLuckGarage like I said. They were wired exactly to the color codes provided!
@@1979gmcummmins If the relay is wired properly, it’s impossible for the fan to turn on without the key. Even if the thermostat switch itself shorts to ground, there would be no power going across the relay without the key on unless you wired pin 85 or 86 straight to battery power, and that’s exactly why I told you NOT to wire it that way in this video.
Great vid what size fuse you recommend inline?
THANK YOU!!
Id like to see a short video where exactly the switched ignition is and different ways to tap into it.
That’s gonna be a different circuit on every model vehicle bud. But it’s easy to figure out with a multimeter or test light. If the wire is hot with the key forward only, then that’s your wire.
I wonder if I hook the signal from my ecu to the signal wire on the relay to control the fans would work for my Ls swap instead of using the temp switch
Thank you. I ran dual relay but how do I get the High Speed Fan for AC ? Right now I just manage the fan with a switch & I just let the low speed fan to ru every time I turn on my engine
Thank you for your help
Happy to help
Thanks 😊 saved my bacon was a great helps
Well I’m glad the video helped you out because no ones bacon should ever be jeopardized. Bacon is sacred in my house. 🤣👍
i got a question. if i connect the black wire from number 86 directly into the chassis or to the negative terminal of the battery, will the fan kick on without using the temperature switch? i live in a area where 9 months of the year is hot. so i want my fan to kick on since the moment i start my engine. please let me know.
Oh man thank you
About that sensor. I dont have a spot to put it on my 5.3 02 Silverado and I dont really have the tools to tap a spot in the cylinder head. So my question is can I get a coolant sensor bung and install it on the upper coolant hose mid way, or does it have to go in the cylinder head. Thank you in advance Sir I do appreciate your tutorials
FINALLY THANK YOU
You’re welcome!
Big thanks Sir 👍
Thanks for watching! Glad this video helped you out!
Thank you for the detailed explanation. I would imagine that Alloy Works also makes the Cooling & Radiator Specialist brand from Amazon because the kit looks exactly like the wiring kit you have.
Honeslty probably 90% of what you see on eBay or Amazon probably comes from the same manufacturer.
Thanx For The Help.The Only Question I Have Is I Have A Single Fan Is It Possible To Wire A Switch Into This Set Up So If I Needed I Can Hit The Switch And Turn On the Fan .
Yes. Wire it to ground the relay wire. As long as the keys forward, if you flip the switch it will activate the fan relay just the same as if the temp switch grounded it.
Thanks man
Thank you.
Thank you!
👍
Thank you so much man
Happy to help
Thank you so much for the video I my self knowing what I know just grounded that loop to the frame. I understand now that's wrong.
QUESTION: My sensor has 2 prongs, not just the one.. DO I HOOK IT UP THE SAME WAY? Leaving 1 prong/tab empty? I'd it for 2 fans? PLEASE HELP ME OUT. Z THANK YOU.
I had to get a shallow sensor because of where I put it on the side of my block, the long sensor bottomed out.
thanks
Thanks. Your video kept me from pulling my hair out.
Muchas gracias
Hey another question bro. If I’m using that aftermarket switch this bypassing my electronics going to the stock switch how am I ever gonna know if I’m over heating if the stock wiring harness is what controls the temp gauge ? Can I just tap into that stock switch wiring harness ?
thanks for the video. how can I run the fans using the ECM do you have another video?
If your ecu has a trigger wire for electric fans then it would be used to trigger the relay in place of the thermostat switch.
I’ve got a LS set up with dual fan,psi wiring harness, an their dual fan relay set up I have everything hooked up right the fans seem to come on when they supposed to but they want cut off, it will cool my radiator down we’re I can put my hand on it, not hot, but the fans want cut on, any suggestions
Quick question can you run the temperature switch off one of the radiator hoses if so how can that be done?
Does this switched ign. source for pin 85 work as an A/C override for when your compressor is on?
they make these hose adapters that go into the upper radiator hose, and they hold these coolant temp switches
firsty can you use a toggle swith instead of sensor, one side to ground other to the black wire. secondly can you reverse the blue and black wires on the fan to reverse rotation to blow through the radiator from the front. it seems to work but im worried about long term. its only for my sons standard track car and for burnouts. drifting
Do you have a video on how to hook up to the a/c compressor?
I am working on a 2000 dodge ram 1500 with a v6 but i dont have any port on the heads nor on the intake so i am installing the switch on the block,do you think it will work like that? Thank you for your answer
As long as it’s in a coolant jacket on the block it should work just fine brother.
I have been watching your video.If you can help me with this. I am running terminator x wich has two outputs for fan control..im running 2 relays..So should i run the output off the terminator to the black wire?And what to do with the white wire?Thanks for your help.
Yes. And white wire still gets hooked to switched power as shon in the video. The Holley will ground out the black wire to activate the relays. Or you can use up two outputs and have the fans come on at different temps, or you could wire one relay to the temp switch and just have the Holley trigger the second fan if needed. There are literally dozens of ways you could do this. The purpose of this video is to show the most simplistic way.
WHAT IF/ you have a 195 degree thermostat ? what temperature switch would you use?
Wish I would’ve seen this before I started. That lil loop on the black wire is pointless.
I plan on running 2 relays.
Is there a way to test my temp sensor? I held a lighter to it. Just to chec it before I put it in the intake , it never grounded out.
I just watched your video for the first time and was wondering what do u think of the radiator and fan combo now?
I think it’s a great deal for the price. You can keep track of the Chaos Theory Camaro playlist to see if I ever have any issues with it. If I do, it’ll be in a video on that playlist.
Im running a terminator xmax. Just wondering do i need to use the temp sensor with the alloy works or use the output with the holley?
Use whichever you want
I have the exact same relay and color of wires the only thing is that I have a pigtail on my fan that has a blue and a black wire connected to it. In your video you only have a blue wire coming from the fan, do you know why mine has blue and black and how I should wire those? Thanks.
Thanks for the information. Do you have a recommendation for location of the temperature switch on a 86 Toyota pickup with a 22RE ?
Nope
@@BadLuckGarage I understand. I fabricated a piece to go inline on upper radiator hose. Working well so far but still have to run the ignition source wire.
You talked about the dual fan setup. Could we not tie the red battery wires together from both relays?
Also for a 12V 80w dual fan, would a 10amp fuse be sufficient?
Great video btw!!
Yes you can tie them together as long as you use the proper gauge wire for the amp load. What size fuse you need depends on the amp draw of the fans you’re using. But generally you’ll need at least a 20 amp fuse minimum for a single cooling fan. Check the specks on your fan to know for sure how many amps they use.
12.7amps for each fan. Thanks a bunch. Most informational video I've found on wiring fans the correct way!
@@LReese-de4wt Then if you’re wanting to power both relays/fans off the same power wire, I would go with a 10awg wire with a 30amp fuse. 👍 And I’m glad to hear you found the video helpful. Good luck to you!
for and oem "upgrade" application, instead of having the "switched ignition" wire, can that run to the factory fan wire to have the ecu control when the fan turns on and off ?
Yes as long as it’s running through a relay. That’s exactly how I ran mine. I already had my Holley ecu triggering the factory fan relay. After determining the factory relay could handle the amp lid of both fans I just left it the way I already had it but split the relay power to both fans.