How To Wire An Electric Radiator Fan Relay Temp Sensor AND Switch! |
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- Опубліковано 28 січ 2022
- This video shows how to easily wire an electric radiator fan circuit into any car. This fan wiring diagram includes a fan relay, a temperature switch, and a manual on/of switch that can be used to manually turn on the fan whenever you want. This radiator fan wiring circuit is great when building a hotrod, muscle car, or anytime that you're swapping from a clutch fan to an electric fan.
The Electric Radiator Fan Relay Wiring:
- Pin 30 (Red) 12v input from battery through circuit breaker
- Pin 86 (Black) 12v power feed from ignition switch
- Pin 87 (Red) 12v relay output sending power to the fan
- Pin 85 (Brown) Ground, goes to temperature switch and on/of switch
- Pin 87A Not Used
Items used in this video (and a few more that are related):
🔗 Ratty Muscle Car Amazon store - amzn.to/3KKkCdP
🔗 10" Electric Radiator Fan amzn.to/3KXzIu7
🔗 Universal Radiator Fan Wiring Kit amzn.to/3KNSYKi
🔗 On / Off Switch amzn.to/3g6PpRd
🔗 Universal Ignition Switch amzn.to/3ufVt2b
🔗 175 - 185 Temperature Switch 3/8 NPT amzn.to/34jzJYi
🔗 5 Pack of 5-pin Bosch Style Relays - amzn.to/2OfiwXT
🔗 10 Pack of Fuse Holders - amzn.to/3cU4CoD
🔗 272 Piece Fuse Variety Pack amzn.to/3k48cNt
*As an Amazon associate I earn from qualifying purchases.
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Can you help me with a simple project idea
Where can I buy this box
i follow the diagram. but the 1 thing problem is coming cold the sensor not coming off the fan
if you have a 1 pin temp sensor how you wire it to your gauge on your dash board so you can see it on your dash with a 1 pin temp sensor?
@@willardelkins5637😢
I’ve never watched a more put together and professional video on this topic
Wow! Thank you! I really appreciate it! Hopefully it helps out a lot of fellow gearheads!
He got his tricks from his father 🫡 very intelligent man.
Hi,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
Most importantly it's free😂😂😂😂
😂 lmao right
Working on vehicles all my life, I’ve never imagined a complete circuit laid out on a board. It’s pretty neat. Thanks for a perfectly explained video.
That’s super kind! I really appreciate that!
Hi Cory,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
After having my radiator fan bust up my radiator after breaking off its mount I am upgrading from a pulley fan to an electric fan while I replace my radiator and this was exactly what I needed to help make sure I had not missed anything when installing it. Amazing work, helping people out even a year later!
Heck yeah! Sorry your radiator got trashed! But I’m glad the video helped you out! Thanks for watching!
This vid should be taught in schools, it’s perfect
Thanks! I always wanted to be a teacher, but I think I can actually teach even more people from the comfort of my own home using UA-cam. Thanks for watching! I’m glad you enjoyed it!
Honestly I appreciate your professionalism and clarity on explaining this 'HOW-TO!!" After watching this video, I have no idea how anyone can mess it up. THANK YOU🤘🤘
Awesome! That’s really kind. Thanks for watching and stay tuned for more wiring videos!
Trust me their are people who can still screw it up ..that's life in the mechanical world ..
I did somehow. I followed the video to a T, and it still is not working. I’m about to rip it all out and start over.
Hi Jeremy,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
Hi Sir you have explained how everything is wired up & some guys use pin 86 as ground & pin 85 as power on the 12volt Relay & I tested the 12volt 100Amp waterproof Relay & I followed your wiring the same way as you have Sir pin 86 Pin as power & pin 85 as ground on the relay & it works really well indeed & I tested it with a led light bulb & later on I will get an 12Volt radiator electric cooling fan unit & has 2500CFM with a 90 watt electric fan motor & so should work really well to & the radiator electric cooling fan unit will be installed inside the radiator & will have straight fan blades as you get better air flow than curved electric fan blades & radiator electric cooling fans that are installed in front of the radiator don't get better cooling than a radiator electric cooling fans that are installed inside the radiator as the engine & engine components get by far better cooling when radiator electric cooling fan units are installed inside the radiator & I have seen on Utube some of the guys have installed the radiator electric cooling fan units have installed them in the front of the radiator & one particular Utube channel has installed a very big radiator electric cooling fan unit & has installed in the front of the radiator & because he couldn't install it inside the radiator as there was no room to install the electric fan unit & having unit probably could get cooling but the is a smaller radiator electric cooling fan unit installed at the front of the radiator & probably wouldn't get that much cooling as it would be installed inside the radiator & probably also didnt have the room to install the electric fan unit that I'm getting will be inside the radiator & the 14"inch fan should work really well to & having 2500CFM air flow should keep everything nice & cool for the Toyota 3.4V6 engine & doing away with the clutch fan unit Kind Regards Peter & have a Lovely Nice Christmas Day Sir
If more people explained wiring like this, a lot less people would be intimidated by electrical circuits on their vehicle.
That’s awesome! Thank you so much for the kind words and taking the time to watch the video! I appreciate it!
This is EXACTLY what I needed to know! You're a great teacher! Keep those videos coming, my friend!
Thank you! If you keep watching, I’ll keep making new ones!
Hi Jason,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
Thank you. This is the best and most understandable wiring schematic without any unneeded filler information I’ve ever seen.
Best explanation on UA-cam, hands down. Thanks!!
Thank you! I appreciate it! If you like this, you may also enjoy some of my other wiring videos! Thanks for watching!
I was doing a random search on the electrical side of the cooling system and found your excellent presentation as I was about to give up. Needless to say, I've subscribed. Because you've not only clarified a suspicion I had, you've also taught me enough to go through the circuit in a logical way. So from the bottom of my heart, thank you!!
That’s fantastic! Thank you for watching and subscribing! If you liked this one, I have many more you may find entertaining!
Fantastic video! Great diagram and thorough explanation of everything. I’ve watched 4-5 videos on the subject and was still lost. 1 play through of this and I’m confident in my new knowledge. Great job!
That’s awesome! I’m glad you found the video helpful!
Hi Adam,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
This has always mystified me and you just made it crystal clear in 8 minutes. Thank you!!!! 🙏
Your wiring videos are the best on the web. Simple and elegant.
Thank you! If you keep watching, I’ll keep making them!
Man i appreciate all of your diy videos they are easy to follow and great in detail. Thanks for the time and effort you put in.
Wow! Thank you! I really appreciate that! Thank you for watching!!
Clear, concise & to the point. You make the understanding of this subject extremely easy & enjoyable.
Rick
Thank you Rick! I’m glad you liked the video!
Thank you sir. Great simplified demonstration!
Thanks for taking the time to put this tutorial together. It's simple and easy to understand. Much appreciated.👍👍
You’re very welcome! Thank you for watching! I appreciate that!
THANK YOU!!!
You have explained how to accomplish this in layman's terms, without making me (us) feel stupid. Bravo!
Excellent! I’m glad you found it helpful! Thanks for watching!
Probably one of the best(not seen them all) descriptions and displays of how to wire up an after market fan. VERY well explained and demonstrated...Cheers..
This is the best explanation of this on UA-cam. Laying out on the board like that was inspired! Thank you.
Thank you sir. Very well explained, a clear presentation with great visual aids and with demonstration. This has helped me understand my cooling fan system that I am fault diagnosing on my Kawasaki ZZR 100 C.
Awesome demonstration! I am not watching to gain the knowledge for automotive reasons (although now I know), instead I am searching for a clever no-solder solution to the always on tiny 24v cooling fan for the hotend of my 3D Printer. Your simple explanation of how relay circuits work really helped in figuring out the different hardware, how they interact, & how to wire it WITH A BYPASS to boot! Thanks again! 😊
Heck yes! That sounds awesome. 3D printing is something I’d love to get into, but I just haven’t dropped the cash yet!
me and my stepdad were just looking at this setup on our 1980 cj7 and this makes things so much easier to comprehend. Thank you
Perfect! I wired mine up last night, minus the temp sensor. I added it along with my clutch fan. Since I have a temp sensor with a gauge, I will only activate the electric fan when it reaches 185 degrees. Other than that I will rely on my trusty, old faithful clutch fan! Thanks for such a detailed diagram!
Sounds awesome! Congrats on your cooler engine!
Thanks for posting this!!! Really appreciate your professional demo board. Sure makes it easier to understand how all that wiring ect comes together. My 67 Mustang 460 big block has two push fans with relays and no manual toggle switch. It was overheating at the car show the other day. It was like 98 outside. I want to add manual toggle switch to turn it on before it get too hot. I run two relays, I assume on for each fan.? Wish me luck. Cheers from Motown.
That’s really cool! Fun demo. 👍
Thanks Andy!! I’m getting a lot of really positive feedback on these wiring videos!
I agree with last comment. Been up till 6am searching for info on the override switch and here it is! WOW!Now I can sleep til 2PM get up CMA and go to work.
Thanks! Great clear to the point video😃
That’s amazing! I’m glad you found the video useful! Thanks for watching!
Excellent clarity on the subject matter.
Just subscribed! Very well explained. You made it look so simple. Thank you
Awesome! I greatly appreciate it and I’m glad you liked the video!! I have tons more of you find yourself bored!
Literally exactly what I needed to know for my car project. Thank you so much!
You’re very welcome! I’m glad that the video was able to help you out!
Hi,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
OUTSTANDING, CLEAR & TO THE POINT. GREAT A thru Z😊
You are now amongst my very few notifications.
Thanks, JS
Awesome! I’m humbled to know that people like the content that I make :) thank YOU for watching!
Keep them coming you do a great job with electrical wiring which you make it seem very simple It’s kinda like water flowing through a pipe.
This was a much needed relay lesson I was never taught that I needed in my life. Thank you very much for your physical diagram of actual items display, made learning easy and fun.
Thank you for watching! I really appreciate it! And I'm glad you like the videos!
Thank you for the video!
2 questions. What would cause the relay to fail?
How critical is the circuit breaker?
Relays fail if they are in harsh environments (hot/cold/wet), old, or if they are handling more electricity than what they are rated for. They also have a lifespan too, which is often listed with them online.
A circuit breaker or fuse is necessary. People like circuit breakers for fans because they draw a lot of amperage when they start, and then don’t draw nearly as much when they are running. Sometimes fuses have a tough time managing that and you need to run a bigger fuse or a slow burning one.
This is a fantastic video.
It is very clear, and well laid out.
I have always had a mental block, when it comes to electrical systems.
This REALLY helps.
Been looking for a how to make dual fans work off one switch and all I came up with was using the cars relay to power both fans.
This is exactly what I was looking for. I appreciate the help!! I had no clue you could just buy a dang ole temp switch 🤦🏻♂️
Super thanks
Wow best demonstration of the circuit ive ever seen..... Just what i needed to wire up things correctly.... thanks man 🎉
Thank you, I appreciate you taking your time to teach those of us that dont have this knowledge of how to to this but want to. Really helped me understand the wiring. Much appreciated.
That’s awesome! I’m glad that people are enjoying these wiring videos! I appreciate you taking the time to watch! :)
great demo
Such a great explaination. Top notch!
I love the manual override switch, I hadn't thought of that.
Hi Michael
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
Love the diagram and explanation! Thank you!
From today u remain my teacher....love this
Im happy that I can be a small part of the education system! Thanks for watching!
Wow, I have to say that was very well organized and a great and very detailed demonstration of how the electrical fans can work for multiple different switches. Thanks for sharing!
I sure enjoy the way layout your displays and explain everything with great detail. 👌👏👏
thanks for the concise demonstration and explanation. I wish more videos were like this.
Thank you, I have wanted to know this for years!
I want to do this exact setup for my reefer .... Thanks for simplifying this .... Can't wait till it warms up.... 🙏🏾
Very helpful video. Thanks for taking the time to put this together.
I’m glad that you enjoyed it! Thank you for watching!
Clear and concise! Subscribed. Putting a switched fan on my 68 El Camino today.
Awesome! Gosh I love El Caminos. I’m thrilled that this video helped one in a very small way!
Excellent video. Thanks for sharing
Amazing video! As an engineer I can appreciate the way you explain everything in detail, very well done
Thank you! I really appreciate that!
3 years ago my truck caught fire because of a pretty bad wiring work. I decided not to give up on her and worked hard to bring her back to life... and I succeeded mechanically speaking. However, I had been always scared of dealing with electricity and wires because nobody was patient enough to explain things to me like if I was a 5 yes old kid... that was until I found your channel. Thanks to you I was not only able to completely wire my rig - rock crawler - but I have now understood the reasons behind every connection... Honestly, I cannot find the proper words which can emphasize my deep appreciation and gratitude to you... Thank you for sharing your knowledge...
That is incredibly awesome! Thank you so much for sharing this with me. It totally made my day! I’m glad you and others are finding my videos helpful! Thank you so much for watching and hopefully my videos continue to help keep the cool projects going!
i love the way you show this in a real life diagram.....Great Job in the way you show this!
Thank you! If you liked this one, you’ll surely like some of my others as well! Check them out if you have a few spare minutes :)
THANK YOU! It makes all makes sense now.
this set up worked great in my old 5.7!
Awesome! I’m thrilled to hear it!! Thanks for watching!
Thanks for such a detailed how to! Just getting ready to go convert my Allis Chalmers forklift now.
That’s awesome! I’m glad that you found the video helpful!
thanks for the clear explanation and diagrams. This is great reference
I’m glad you liked it! Thanks for watching!
Way to go,
I didn't know till now, you made it simple and clear to me,
God bless you bro.
Thanks! I’m glad you enjoyed the video!
Very insightful video. He explained everything where average people can understand!
That was exactly what I was hoping to do! Thanks for watching! If you’re bored I’ve got lots more too!
Really great video with clear example. My 88 Civic is having issues where my fans will not turn on. The car doesn’t overheat because I’m not setting in traffic and it’s a big radiator for the small 1.5L engine. I want to repair the circuit and also run a manual on/off switch.
Thanks, very educational 👍
My Civic 2006 has 2 temp sensors, 1 in the radiator & 1 in the thermostat housing. Going to try changing the rad sensor as the fans aren’t switching off.
Thank you Mr. Ratty muscle car. Your videos are so helpful. You've got to be tickled with yourself. I know I will be if I can successfully pull this off.
A picture tells a thousand words..Great idea, thanks...UK
Outstanding way to simplify , this relays installation , on cars Thanks , instructor 💯
Thank you for the kind words! I really appreciate it!
thanks for teaching me the proper way to add a manual switch! 🙏🏼
You’re welcome! I’m glad that you liked the video!
Thanks my friend, I needed this wiring diagram!
Awesome! I’m glad it’s able to help you out!
Very well done and spoken sir.
Nice! Very good presentation, easy to understand with this logical explanation of the components and how they interact! This will help me as I wire my electric fan!
Thank you! I appreciate the kind words and I’m glad you found it helpful!
Beautiful demonstration and explanation
Thank you! I appreciate you taking the time to watch my video!
You’re the man for getting straight to the point with simple easy details!! The break downs amazing bro!! Everyone else needs to take notes when it comes to trying to “show how things are done” lol
Thank you much. I’ve got lots more videos if you’re bored! Tell your friends!
Great job on the video I can understand it with the way you explain it and your illustration thanks
neat set up
I have watched countless videos on this subject and yours is the only one the makes since thank you
Thank you! I’m glad that you found it helpful! If you like this, you may enjoy some of my others too! The “hotrod race car drift car wiring” is my favorite! Here it is ua-cam.com/video/Yz9kqxWkoHI/v-deo.html
wow! thats super clear! The perfect info for creating a safe and proper fan circuit
Thank you! I’m glad you liked it! Feel free to share it with a friend, and check out my other wiring videos if you’re bored.
Boss you are the man. Thanks for sharing knowledge like that.❤❤❤❤
Thank you I will be using this method this weekend, I needed a breakdown how to install it!!
Awesome! I’m glad the video was able to help you out!
Very helpful. Thank you. The manual switch is a great idea - it’s going on my project!
Excellent! I’m glad you enjoyed the video! Thanks for watching and good luck with your project!
Hi,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
Well illustrated thank you Boss.
This video just saved my life! I was going crazy with this wiring! Thanks so much!
I never intended for my videos to save lives, but here we are! Lol. Thanks so much for watching - I really appreciate it!
Excellent videos, I've watched most of them and find them most informative. Thank you very much for your time . I had to subscribe.
I appreciate that! Thank you for watching!
Thank you you really help me out I did not get instructions with my kit and you were very very thorough keep up the good work
That’s fantastic! I’m glad you found the video helpful!
Good job explaining this . Helps out a lot
Thanks! Good luck with your project!
In the Toyota radiator fan cooling system (and some other brands as well), the temp. sensor is grounded when it's cold, in case the sensor goes bad, the fan will stays on as long as the ig switch is on/engine running to prevent the car from overheating.
That’s great info, and a smart design! Thanks for watching!
Great explanation! I stumbled on this while looking at circuit breakers, since I've never used them before. The override is a great idea.
Thanks! I appreciate you watching! I’m glad you enjoyed the video.
@@WiringRescue for sure, bud! Wiring is one of my weakest skills.
Best video out there I think I’m a pro now thanks man!
Absolutely superbly made video, thanks a million, this video saved my face ✌️
Great videos really helped me out a lot thank you ❤
This help me understand the fan relay circuit, thanks and good job
You’re very welcome! Thanks for watching!
The best video on UA-cam! Thank you
Thank you very much! I’m glad you enjoyed it!
Great video! This really helps. Thank you.
Thank you! I’m glad you found it helpful!
Best demonstration yet
Thank you so much!
Very 😎 cool.
Really appreciate you taking the time to simplify this so we literally get it.
That’s my goal! I’m glad it made sense! Thank you for watching.
Hi,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
👍 Awesome explanation on wiring a fan circuit.
Would like to use this on my quad.
Thanks for sharing your video. It is greatly appreciated
I’m glad that you found it helpful! Thanks for watching!
Awesome wiring example!!!
Thank you! You’re awesome too!
There's lots of videos on YT on hooking up your electric fan, but this one has to be the best one yet. Very professional display, and excellent explanation! Great job! Will have to check out your other stuff too!
Thank you! If I might recommend a video for you to check out next, I’d recommend this one. ua-cam.com/video/Yz9kqxWkoHI/v-deo.html It took me a long time to make and I’m quite proud of it! Thanks for watching and sharing the kind comment!
Hi Olys garage,
I’ve just read yr question. I have just released video where I wire straight to a cigie.
Have a look and let me know what you think.
Cheers
Out There Touring
That was really well illustrated and presented :)
Thank you! I really appreciate the kind words! Feel free to share it with some friends if you like what you see :)
Excellent upload! Thanks
Thank you! Tell your friends to subscribe!
Thanks for making this video. You've solved some thoughts I was pondering.
Excellent! I am glad the video helped you out!