If Your Air Conditioning Isn't Blowing THIS MIGHT BE WHY!

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If Your Air Conditioning Isn't Blowing THIS MIGHT BE WHY!
In this video I repair and replace the blower motor resistor in my 2005 GMC Envoy (which is also pretty much the same as the Chevrolet Trailblazer). The blower stopped working all of the sudden one day and it turns out its a common issue with these vehicles. This blower motor resistor was cheap and easy to replace and worked like a charm. Now the air conditioning works great!
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Опубликовано:

7 окт 2024

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Комментарии : 66

@MrBowNaxe 3 года назад

Yep... Usually it will give you a "heads-up" that is going out. Both my '97 & '99 Suburbans would only work on high, none of the other speeds. That's when you know its the resistor for sure. Good stuff Jimmy, keep 'em coming.

@regsmith7604 3 года назад

I put a blower motor resistor in my ‘02 Avalanche back in ‘12 and it’s still working fine.

@Lambert_Life 3 года назад

I had a 2006 Silverado that I kept 12 yrs & put 265,000 miles on. I replaced that part 3 times. Very well known issue with those GM vehicles. It & front wheel bearings is the only issue I ever had with that truck ! Other than battery, plugs & brake components everything else was factory. Never replaced fuel pump, water pump, thermostat- nothing. It even still had all 8 factory coil packs after 265,000. Best vehicle i ever owned ! Great video Jimmy.

@shawnhasty7480 3 года назад

My 2013 Mustang GT air conditioner stopped blowing with under 70k. I tapped the bottom of the blower under the glove box and it started back up. I found that the fan in the blower needed lubed. I tore it apart, lubed it and haven't had any trouble since. Thank you for the vid I love all you do.

@rickdaystar477 3 года назад

Thank you I would have never thought that would be the problem..

@fargeeks 3 года назад

More videos regarding your envoy please because i find them to be useful tips regarding my ascender

@Jerryjr43 3 года назад

I had the same issue on my 2006 Chevy Silverado 1500 after doing much research I had the same issue as you did but went 1 step further than you did I also replaced the connector with all the wires on it and was also told when you replace one to replace both items from the Chevy dealer and have had no problems ever since and it's been going strong for about 5 years now and my truck only has around 150000 on it.

@bobfather1978 3 года назад

You and scotty are my fav car guys

@unclechris3958 3 года назад

Our 97 dodge ram and dodge dakota had this problem it still works ours happened in 2019 in the winter

@sojourner2013 9 месяцев назад

Bro, I've replaced this part a few times. Realized my blower motor was going bad on one occasion, which burned out this part. 🙌👑

@Tommy_Mac 3 года назад

Great video! Visually inspect first. The connector pins fail- a lot. I'd suggest checking voltage to the wires going to the blower. If there is voltage, likely the blower motor failed. Likewise you can test for voltage coming from the dash. If there is power from the dash, no power to the blower, verify that there's battery voltage going to the other two wires, if all of that is good the resistor, a common failure point, is bad. I had the trifecta- the blower was failing, drawing a lot of current, which damaged the resistor and the auto temp control in the dash. Ugh.

@CrashOverride777 3 года назад

Lol already fixed mine 3 times living in the south is very hot and humid 00 1500 Silverado long bed

@FredTheLutinoCocatiel 3 года назад

Put Dielectric grease inside the connection.

@Doubledsccreepingtom 3 года назад

On the wiring harness was my problem. One of the pins was not making good connection so I put a thin piece of copper where that pin would have a tight fit

@danhambrick6331 3 года назад

Nice job Jimmy.👍👍

@nickadams3801 3 года назад

Probably be a good idea to replace the connector on that harness. You can usually buy them in a kit that comes with crimp connectors, just make sure you shrink wrap the crimp connectors.

@ford1546 3 года назад

You have to take out the bad stick to squeeze it together. bad contact is not only dirt and corrosion but that holes squeeze badly on the stick. You can also use dielectric grease on contact points to prevent moisture and corrosion from building up

@MarshaJ8800TU 3 года назад

Testing it in position 5 usually bypasses all the resistors, but if thermal fuse has tripped, still no blower.

@Peter_Riis_DK 3 года назад

Yup. To test the resistor assy to the max, he'll need to set it to one of the lowest positions.

@gquant1 3 года назад

I enjoy your videos.

@aaronpowell4885 3 года назад

Yep, while I haven't had to replace the BMR in any of my vehicles, I've replaced several in other GM's for friends and family. 2 of which were very obvious and "crispy" when removed.

@FredTheLutinoCocatiel 3 года назад

Jimmy you need to put Dielectric grease inside those connections before you snap them together so they don't corrode or get hot.

@FabiusMaximus1000 3 года назад

It's inside the car.

@FredTheLutinoCocatiel 3 года назад

@@FabiusMaximus1000 moisture and heat get in the wires even inside the car

@FabiusMaximus1000 3 года назад

@@FredTheLutinoCocatiel Not enough to make a difference, unless you drive in lakes?

@flyboy2610 3 года назад

That is a well known failure item on the GMT360 platform vehicles. Probably other vehicles as well. If it acts up again you may want to replace the plug. They're available aftermarket and it's a solder and heat shrink job. I've had to replace the resistor on my '04 Trailblazer as well as the wife's '06 Trailblazer. Fortunately it's a fairly easy job.

@boosted2.4_sky 3 года назад

Yeah... also when your heater isn't working ...the resistor for the blower motor is usually the culprit.. 2:47... This has happened to me also and it goes away and you think "hmmmm...must have just been some other car around me".... and later on you find your heater doesn't work....

@zoefaith120 3 года назад

On my caravan.. the same part went out... the bower motor would work at 1 or 5 setting.

@yomamasmaggot 3 года назад

Hopefully you put a ohm meter on the blower motor itself to make sure it didn't cause the blower motor resistor to go bad. It's very common for the blower motor to short out and over time burn the resistor out.

@garyerfourth4396 3 года назад

Do still have the 1997 suburban, the white one

@joel.3112 3 года назад

I replaced mine twice the third time caught on fire while I was in the the store!!! Be careful with them Envoys!!

@agostinodibella9939 3 года назад

I would get a new harness before you burn up the connector on the new part!

@MyAnnex 3 года назад

I had to put both front and back on my 03 Suburban. The front one twice have to watch the cheep parts.

@meademods6024 3 года назад

my ac in my 2002 Chevy silverado 2500 hd 4x4 6.0 the #5 high speed has not worked for years?? IV replaced the part you did and the relay and the fuse AND the wire harness. still nothing has worked?? and the melted wire issue you showed is the same issue iv seen. Iv also changed the AC control panel it self with a newer model that has the rear view heater button that I use for my new door heated mirrors. What do you think? Ps. Iv also tried a different speed selector as well and nothing??????

@samsquires2877 3 года назад

You’re going to want to change the wiring harness as well.

@FabiusMaximus1000 3 года назад

That and the fan too maybe?

@x-man5056 3 года назад

Not necessarily. But a thorough examination of the pieces associated with that E circuit on that plug would be a good idea. It's always possible that the burnt resistor is a SYMPTOM of a different problem. Use a VM to check for continuity to the pins next to it indicting an internal short and check the burnt pin for security in the plug. All probably OK though. This is a pretty common GM vehicle failure though not on a car with that low of mileage.

@x-man5056 3 года назад

@@FabiusMaximus1000 No.

@FabiusMaximus1000 3 года назад

@@x-man5056 Yes

@x-man5056 3 года назад

@@FabiusMaximus1000 He tested the fan when it was back together, all 4 speeds worked. He could have tested the fan before he took apart by using heater or fresh air fan. Maybe he did and didn't mention it. But he for sure did when he was done

@jamessebastian9822 3 года назад

Go ahead and change the blower motor while your in there. That is what actually caused mine to burn out.

@efrensaclolo7021 3 года назад

My ac resistor just not working on speed 3, all speed 1,2,4 still works,I don't know why yours all goes out at the same time.

@my2cents187 3 года назад

You will have the same problem again. The burnt pin is loose causing a bad connection and then it gets hot and burn both the housing and wire. You will need to either replace that harness or just the burnt terminal.

@PhillyDee215 3 года назад

Yeah those resistors went a lot on those GMs🙄I think my neck has a permanent bend from looking under those dashes so many times🤦‍♂️

@idkwhoknew908 3 года назад

Jimmy 1 Road. My a/c in truck 1993 1500 Stander cab. Fan working A -OK what air is getting in Cab Cold. Very Low Flow? seems to be Blocked? Engine shut down Flapping sound from unit/ also when Start up. What gives??

@aaronpowell4885 3 года назад

If you have the control set to the vents that blow on you, feel if any air is also blowing out the defrost and/or floor vents. If so, the blend door actuator probably has stripped gears inside and needs replacing. Hope this helps!

@idkwhoknew908 3 года назад

@@aaronpowell4885 Thank you Jimmy. Now can you Fix for me. LOL

@spark1545 3 года назад

I replaced 3 of those OEM resistors on my 2005 Trailblazer. They keep burning out.

@brada1803 3 года назад

You pinned it!

@georgecastillo8604 3 года назад

If my #4 & #5 speeds don't work but the others do, is that most likely a problem with the blower motor resistor?

@mbucklesnak 3 года назад

Check the connector that goes into the resistor. They get hot and pins don't connect well. The wires get brittle and crack. 23.00 at autozone for new connector. Solder and heat shrink.

@dontaejarell 3 года назад

How much is this part i need

@haroldlillebo3945 3 года назад

I replaced mine last year and in speed 5 doesn't work, what could be the problem

@rodon91 3 года назад

Check if it has fried teh control pannel circuit also. that is what has happened to me when the resistor broke

@bdevyion 3 года назад

I assume you don't run your ac on position 5 too often. Typical cause for burning up resisters fast.

@ToolsOutsideTheBox 3 года назад

This is going to sound weird. But some cars have an ac amplifier

@maxxmich 3 года назад

You can thank gm for the poor quality parts

@maxxmich 3 года назад

But did u run it with the ac on? That's the true test......

@UNEEK_LOGIK 3 года назад

Also poor or going out blower motors can cause these resistors to work harder than they should which leads to replacement parts over and over might want to change that blower motor and harness pigtail jimmy...