I'm and Electrical Engineer, and think this is an extremely well thought-out and accurate tutorial that should apply generally for any car blower motor system. Well done!
My Blower motor works just fine , speeds and control all works 110% but the second I start my engine it turns off completely and it stops working. Why would that be, he doenst talk about it in video so thought id try you since your some engineer bloke?
My grandma once told me that if something doesn't work, give it a good swift kick. Her advice never got anything not working to work, but it gave me joy to reminisce about my dear sweet grandma, running around town while kicking the shit out of everything she thought might not be working. I love you, Grandma! May you be resting in peace in the warm, loving embrace of Nature. See you soon.
Hey man, my a/c wasn't blowing this morning. So, I decided to kick the bottom of my passenger side. And it actually kicked back on. Thanks, I appreciate this
I had to leave a comment. this Guy should be called a Master Mechanic. The way he explains things makes complete 100% sense. Thank you for your detailed explanations.
I had problems 1 & 2. Didn't know how to explain it to the mechanic & got charged almost $100 just for him to look. I found this video today. You did such a thorough job of explaining everything step by step & using drawings. Now I can go back & tell him what I think is going on and I wont have to keep using the term "thingy" to describe the problem. You'll definitely be getting 5 stars from this grateful mom!
I’ve already made a booking with the “aircon specialist” tomorrow but now having seen this video, I’m not waisting my money for something I can do myself. Thank you so much for sharing your knowledge with the 🌎.🙌🏽
I’m a 65 yr old Grandma who looks everything up on YT and I just want to thank the person who said smack the motor. You are the bomb!! After checking fuses, and relays and Freon, I found this comment and went downstairs and gave it a whack and boom it worked. I’m so happy😂😂😂😂
Before you do all that nonsense, which isn't nonsense if hitting the blower motor doesn't bring it back to life. But that's how I got my blower motor back working...I hit it several times without removing anything. On a 2004 Focus, it's right there under the glove box and easy to smack with the heel of your hand.
Yeah, I took a small sledge and hit my blower motor a few good times and all I got was a bunch of plastic cluttering up my floorboard. I guess it works for some and not for others. ha! j/k
I LOVE how the mechanics and electrical systems are explained here. Super helpful. Thank you!! A little scared to tackle fixing this myself but willing to try it out.
Some comments suggest you hit the blower motor a few times and it may or may not come back to life. I took a small sledge hammer and gave the motor a few good whacks but all I got were bits and pieces of plastic cluttering up my floorboard, and I hate cleaning up my floorboard! A few more whacks later and I realized it wasn't going to work, so I went out and bought a new Ford Focus. Immediately solved my problem!
I recently went through that with my chevy cruze, "Fonziing it" only worked temporarily, after about a week of it going off an on it no longer worked, so bought a new fan blower motor.
This is THE BEST instructional video I've even seen! Fantastic job explaining and physically showing what to look for. Thank you. I'm now a subscriber.
You're Awesome You definitely explain it where a layman can understand , plus your voice is clear. One of the best videos I have ever watched on reparing a car issue. . Thank you
I have no power to my resistor at all, The first two explanations were very in depth, and I was hoping you would do the same for my problem as well, but you only told me what I already knew, that I needed to test power or resistance to the switch, and I’m not sure how. Still a great video. More descriptive than anything I’ve seen so far.
This is brilliant. I did this and found my motor was the problem. I hit it on the metal spline in the middle and lots of carbon dust came out. Did this 10 times, shook it, spun it and it now works goodvas new!
this tutorial is great. i'mma be looking at a blower motor on a transit van and wanted something along the lines of this to get a better understanding as it what i'm looking at. hopefully tomorrow it's something simple like blocked air ways or fuses. If it's the blower motor thats bad i'll just have to pick up a new one and install it which isn't hard just won't be able to fix it right away.
I know JACK DIDDLY about cars. Can't even change a tire! But i absolutely understood fully everything in this video and what's wrong with my car AND how to fix it! THANK YOU THANK YOU THANK YOU!!!
I replaced my BM resistor because my a/c was acting up by not wanting to blow air in my car. When I removed the BM resistor, I found that it had corrosion which led me to believe that it was causing poor electrical flow in my a/c system. After replacing it with a new one, my a/c was working like brand new. Thanks to this video I was able to rectify the problem given that I saved up a lot of $$$ by doing myself instead taking to a mechanic to troubleshoot it. Even though the part cost me around $100, at least I avoided paying about $400 instead because of labor.
The best video I've seen concerning this issue (I'm having the last one... works on lower speeds, but not on high. 2015 subaru forester. Thanks for your hard work putting this content together. I appreciate it.
Hello thank you for this great video. My problem is still not solved. When connecting power on my car the blower goes for 10 seconds than stops. Doesn t mather number 1 .2.6.or 7. It stops after 10 seconds. After a little time is goed om 10 sec. I used a new motor a other Heather control panel and a new blow motor resister that on the blow motor connected for caching the speed. What can i do now. Hands in my heart. Johan peppl off holland
My blower motor stays on only on high even after I turn the car off. On top of that I can’t change the vent location; it just stays in the main position. Not really sure what’s going on.
Great job on this video. I have a 2005 gmc serria with climate control that ive replaced resistor 3 times or so , this video should help alot of people. My issue is fan comes on when it feels like it. Very frustrating power and grounds seem ok. Ill keep looking for more videos and this issue
friend you gave us a great class so profesional, very well explain stept by step i apreciate it, such good skills you have as auto electric so as a teacher. Thank you so much
On my Chrysler 300c the ac/hc worked perfectly until we replaced a ripped coolant hose, after we replaced the hose it doesn’t blow any air. The fans turns on and it turns on every speed level but no air blown out, what can it be ? Please reply!
great video, very informative. my wifes jeep grand cherokee has the climate control system, and her ac and heater will not blow at all on any setting. you get in, turn it on and nothing. turn it on the highest setting and nothing. sometimes you drive for a little bit or a long bit and it starts blowing. sometimes you hit a bump and it starts blowing. sometimes if it is not terribly hot out, it will start blowing as soon as you start the vehicle to take off, but of course on the days when it is really hot and you need it to work right away, it doesnt work for a good while. i am going to start by checking the fuse and relay as your video shows. thank you again for a great video
Did you ever get it figured out. I'm having the same problem with my wife's dodge Durango. I put in a new blower motor, resistor, and fuse. But it's still not blowing at all in the front vents. Only the back vents work.
This is exactly what I need. I have a Renault twingo and this helped me get my head around what’s wrong. Shame I have to take the dash off to goer to what I want lol
I have a 2015 Mustang whose blower works but the heat randomly blows cold, hot, nothing. At first, I thought it could be one of the actuators under the dash controlled by the temperature knob or a fuse, etc. Turned out to be a small leak in a radiator hose. This caused the overflow reservoir to empty. The low coolant sensor that monitors the overflow reservoir then caused my heater to quit working properly. Never thought it would be anything like this. Temp fix is to fill up reservoir. Long term, replace leaky hose.
got everything back together and all was working well...., first time I hit a bump it went back out. speeds 1-2 are not working, 3 is good and 4 bypasses the resistor so its good...gotta think there's a loose wire somewhere...any ideas ??
In my 03 ram the fan stopped blowing and I stopped and banged on the bottom of the dash and it came back on again. This has worked with several vehicles I have had. It is temporary but it is a way to have air until you can fix it.
What happens if you dont have power at the blower motor either? I checked the relay and fuses. Could there be an opem ground or something? Im aboit at a loss. The resistor didnt have voltage either.
Thank you for the video, very informative! My 2015 Subaru Crosstrek blows at all speeds but does not blow when changing it to the “feet/lower” setting. Does that also have a resistor or what could it be?
This video is gold. I was so confused on how it works and now I have such a good understanding. Now I can diagnose using common sense and some actual testing of voltage at certain connections. If you find the problem is the blower motor is it really important to change out the resistor too? And vice versa if you find the resistor is the issue do you have to change out the blower motor too?
thanks for the great tips, my question is how do we look for the ground as mentioned at 9:20 or around that point? my case (sienna 08) is that there is no power at the control key and no power at the resistor, the fan is running good when connected directly to the battery terminals. this point is very important and left unexplained.
To look for ground you set your multimeter to DC voltage and connect one lead to battery positive terminal and use the other lead to touch a potential ground. If your multimeter shows voltage - you found your ground. But I would think it should be a power control switch. Therefore I would look why there's no power coming to the switch first, maybe it's just a blown fuse.
Great video. With my blower motor only on occasion it doesn't run whether heating or cooling. Then all of a sudden it starts working. I've changed resistor and blower motor. I suspect a loose connection but I don't think so. After your video I'm thinking a relay.
Any idea what the issue could be if I have voltage at the blower and the blower motor still doesn’t start even with a new one? I thought I had a bad blower motor since I was getting voltage but no blower action so I bought a new one and still the same issue. The weird thing is that I get less voltage at the pins when I turn the fan setting to high and then when I turn it back to low, I get 12V. Could it be the transistor that was mentioned at the very end of the video?
Hello nice Video! I have a 2010 chevy express 1500, I have replaced the resistor addy and the blower motor. The system works on low, 2nd low, but not the 3rd then works on max after replacement. It also will cut off and then come back on. What would could that indicate failure of? This is all occurring during use of the AC. Thanks for any replies.
Thank you for this video, it's very informative and easy to understand. I'm wondering if you have a video covering the digital/automatic climate control type A/C systems that you mentioned at the end of the video? My wife has a 2015 RAV4 XLE and her climate control will sometimes reach maximum speed. Sometimes, it's immediate. Other times, it won't reach maximum speed until we pull into the driveway. Would her system still have a relay? Should I replace that first? Would the "Blower Motor Transistor Module" be the second part to replace if the relay isn't the issue? Thank you!
I have a different scenario my car, the relay works i can hear it click there is power to blower as i checked the with multi meter and blower works I checked that separately by pulling it out and put it on 12V, yet I turn fan speed to setting 1.2.3 nothing happens, could it be the resistor but then i should have fan speed on setting 3 right? Can you tell what i have missed it is a Toyota Hilux 2018. BTW this video is very good 👍👍 and easy to under stand hence i am stuck now TY.
I have a 2023 4runner TRD Off road premium and it has the same issues. The A/C blower will sometimes delay for 5-30 seconds after I first start the vehicle. If I adjust the fan knob up/down, it will immediately come on. Is this normal?
I have 2007 Scion tC with this problem. It's has digital buttons for air and to turn AC on/off. All other buttons on control panel work fine and light up (like, mode selection, air flow from outside, alarm, defroster front and rear etc.) except Air and AC on/off functions. AC button doesn't light up either and no fan. So far i have tested the HTR relay (it doesn't have separate one for blower motor ) and AC fuse under the dashboard. I haven't tested the resistor thinking it should run the fan at full speed even if it is bad? Blower motor works fine when connected to 12V power. Can it be control button panel (temperature control unit) is bad though all other buttons light up and function correctly? AC system does have Freon as slight tap on L port sprays out gas. Thanks for any guidance here.
So I have a 2005 Toyota 4Runner and the A/c was not working when I bought it 6 months ago. However after about 3 days of having it it started to work for seemingly no reason. a few days ago the fan was working but when I turned the a/c on it the fan stopped and I could hear a gurgling noise. Now the fan does not work at all with or with out the A/c on. Its late now but I am going to check the fuses and relays and see if that is the issue however I am worried that its something different.
@@abriellemaria6069 I just think it's age. I actually smacked under the dash were the motor is located and it started working again. I haven't had to do it since this original posting.
hi can you help me i have a problem cabin fan it stops working after 2 or 3 minutes it starts working again. I have replaced the fan and resistor. Do you know where the fault lies, I will change the climacontrol panel
My blower motor is in the middle and only accessible by removing the pedal assembly. Nissan versa note 2014. Do you have a video explaining how to remove that and reinstall it to avoid safety issues?
I have a 2011 Kia Sorento EX V6, and my blower motor doesn't come on intermittently, even after the designated built in delay, I checked fuse okay, changed Relay, Resister and blower motor all with the control unit in the dash, after replacing the control unit last, it seemed to work for a couple weeks, but started not working again, car starts and mid range blower is indicated on the control unit, when it doesn't work I adjust to high setting and it starts working. I am thoroughly stumped on this one.
