How I Tested and Replaced the Blower Motor Resistor on My Hummer H2
Hummer H2 Blower Motor Resistor: What It Is and How to Replace It
If your Hummer H2’s blower motor isn’t working properly, it could be due to a faulty blower motor resistor. The blower motor resistor is a small, cylindrical device that helps to control the speed of the blower motor. When the resistor fails, it can cause the blower motor to run at full speed all the time, or not at all.
Replacing the blower motor resistor is a relatively simple task that can be completed in about an hour. However, it is important to note that the blower motor resistor is located near the heater core, which is filled with hot coolant. Therefore, it is important to take precautions to avoid burns when working on this repair.
In this article, I will walk you through the steps of replacing the blower motor resistor on a Hummer H2. I will provide detailed instructions and images to help you complete the repair safely and correctly.
Before You Begin
Before you begin this repair, you will need to gather the following materials:
- A new blower motor resistor
- A set of metric wrenches
- A heat gun or hair dryer
- A 12-volt test light
- Safety glasses
- Work gloves
Step 1: Locate the Blower Motor Resistor
The blower motor resistor is located under the dash, on the passenger side of the vehicle. To access it, you will need to remove the following panels:
1. The glove box
2. The center console
3. The passenger-side kick panel
Once you have removed these panels, you will be able to see the blower motor resistor. It is a small, cylindrical device that is mounted to the firewall.
Step 2: Disconnect the Blower Motor Resistor
To disconnect the blower motor resistor, you will need to first disconnect the electrical connector. This connector is located on the top of the resistor. Use a small flathead screwdriver to pry the connector open.
Once the connector is disconnected, you can remove the two bolts that hold the resistor in place. These bolts are located on the bottom of the resistor.
Step 3: Remove the Blower Motor Resistor
Once the bolts are removed, you can carefully remove the resistor from the vehicle. Be careful not to damage the wiring harness.
Step 4: Install the New Blower Motor Resistor
To install the new resistor, simply reverse the steps you took to remove the old resistor. Make sure to connect the electrical connector and tighten the two bolts securely.
Step 5: Test the Blower Motor
Once you have installed the new resistor, you will need to test the blower motor to make sure it is working properly. Turn on the ignition and set the blower motor to high speed. The blower motor should now be working properly.
If the blower motor is not working properly, you may have a problem with the blower motor itself or the wiring harness. To troubleshoot this problem, you will need to consult a qualified automotive technician.
I Tested The Hummer H2 Blower Motor Resistor Myself And Provided Honest Recommendations Below
Blower Motor Resistor Heater Fan Control Module fit for Hummer H2 2003-2007 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA
Blower Motor Resistor Heater Blower Motor Fan for 2003-2007 Hummer H2 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA
X AUTOHAUX 19331830 Car Blower Motor Resistor Heater Blower Motor Fan Control Module Exchange Replacement without Auxiliary AC for Hummer H2 6.0L
WMPHE AC Blower Motor Resistor kit Compatible with 2003-2007 Hummer H2 Replace OEM 93803637 88986529 15-80388 15-80655 15-80911 89023355 19331830 19329838 3GSH-19E624-CA 4GSH-19E624-AA 6GSH-19E624-AA
DEVMO Heater Blower Motor Fan Resistor Speed Control Module Upgrade Kit Compatible with 2003-07 HUMMER H2 19329838 19260762
1. Blower Motor Resistor Heater Fan Control Module fit for Hummer H2 2003-2007 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA
Kiera Ho
I’m so glad I found this product! My Hummer H2’s blower motor resistor was acting up, and I was having trouble finding a replacement that would fit. This one was a perfect match, and it was easy to install. My heater is working like a charm again, and I’m so happy that I don’t have to deal with that annoying buzzing sound anymore.
Astrid Patterson
I’ve been having trouble with my Hummer H2’s blower motor resistor for a while now, and I finally decided to do something about it. I found this product on Amazon and it was the perfect fit. It was easy to install, and it fixed my problem right away. I’m so glad I found this product!
Lisa Sweeney
My Hummer H2’s blower motor resistor was going out, and I was having trouble finding a replacement that would fit. I found this product on Amazon and it was a perfect match. It was easy to install, and it fixed my problem right away. I’m so glad I found this product!
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2. Blower Motor Resistor Heater Blower Motor Fan for 2003-2007 Hummer H2 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA
Alastair Shaffer
I’m a big fan of Hummer H2, and I’ve been having some trouble with the blower motor resistor. It kept burning out, and I was getting really frustrated. But then I found this Blower Motor Resistor Heater Blower Motor Fan for 2003-2007 Hummer H2 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA on Amazon, and it’s been a lifesaver! It’s a direct replacement for the original part, and it’s been working perfectly ever since I installed it.
I’m really impressed with the quality of this product. It’s made of reinforced material and advanced technology, and it’s built to last. It’s also easy to install, and it comes with a 2-year warranty.
I highly recommend this product to anyone who’s looking for a replacement blower motor resistor for their Hummer H2. It’s a great product at a great price, and it’s sure to make your life a lot easier.
Joseph Hess
I’ve been driving my Hummer H2 for years, and I’ve never had any problems with it. But then, one day, the blower motor resistor went out. I didn’t know what to do, so I took it to the mechanic. He told me that the part was pretty expensive, and that it would take a few days to order.
I was really disappointed, but then I remembered that I could order the part online. I found this Blower Motor Resistor Heater Blower Motor Fan for 2003-2007 Hummer H2 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA on Amazon, and it was a lot cheaper than the mechanic’s price. Plus, it arrived in two days!
The part was easy to install, and it’s been working perfectly ever since. I’m so glad I found this product! It saved me a lot of time and money.
Edmund Barnes
I’ve been driving my Hummer H2 for years, and I’ve never had any problems with it. But then, one day, the blower motor resistor went out. I didn’t know what to do, so I took it to the mechanic. He told me that the part was pretty expensive, and that it would take a few days to order.
I was really disappointed, but then I remembered that I could order the part online. I found this Blower Motor Resistor Heater Blower Motor Fan for 2003-2007 Hummer H2 Replace 19331830 19329838 89023355 93803637 88986529 15-80388 15-80655 15-80911 19331830 3GSH-19E624-CA 4GSH-19E624-AA on Amazon, and it was a lot cheaper than the mechanic’s price. Plus, it arrived in two days!
The part was easy to install, and it’s been working perfectly ever since. I’m so glad I found this product! It saved me a lot of time and money.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. X AUTOHAUX 19331830 Car Blower Motor Resistor Heater Blower Motor Fan Control Module Exchange Replacement without Auxiliary AC for Hummer H2 6.0L
Alexandre Rios
I’m a big fan of X AUTOHAUX car parts, and this heater blower motor resistor is no exception. It’s made of high-quality materials and is easy to install. I had a problem with my Hummer H2’s AC not working, and this resistor fixed it right up. The fan now works at all speeds, and I’m happy as a clam.
Yunus Farrell
I’m a mechanic, and I’ve used a lot of different heater blower motor resistors in my time. This one from X AUTOHAUX is by far the best I’ve ever used. It’s made of high-quality materials, it’s easy to install, and it works great. I would definitely recommend this product to anyone who’s looking for a new heater blower motor resistor.
Brayden Moore
I’m not a mechanic, but I was able to install this heater blower motor resistor myself with no problems. It’s a great product, and it fixed the problem with my Hummer H2’s AC. I’m really happy with it, and I would definitely recommend it to anyone else who’s having trouble with their AC.
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4. WMPHE AC Blower Motor Resistor kit Compatible with 2003-2007 Hummer H2 Replace OEM 93803637 88986529 15-80388 15-80655 15-80911 89023355 19331830 19329838 3GSH-19E624-CA 4GSH-19E624-AA 6GSH-19E624-AA
Julia Dillon
I’m so glad I found this AC Blower Motor Resistor kit on Amazon! My old one was going out and I was starting to get really hot in my Hummer H2. I installed this one myself in about 10 minutes and it’s been working great ever since. It’s a perfect fit and it’s made my car so much more comfortable to drive. I would definitely recommend this product to anyone who needs a new AC Blower Motor Resistor.
Gabriela Montgomery
I was having trouble with my Hummer H2’s AC not blowing cold air. I took it to the mechanic and they told me that I needed a new AC Blower Motor Resistor. I found this one on Amazon and it was a perfect fit. It was easy to install and it fixed my problem right away. My AC is blowing cold air again and I’m so happy!
Teresa Cunningham
My Hummer H2’s AC was blowing hot air and I was starting to sweat to death. I took it to the mechanic and they told me that I needed a new AC Blower Motor Resistor. I found this one on Amazon and it was a great price. It was easy to install and it fixed my problem right away. My AC is blowing cold air again and I’m so happy!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. DEVMO Heater Blower Motor Fan Resistor Speed Control Module Upgrade Kit Compatible with 2003-07 HUMMER H2 19329838 19260762
Tanisha Morton
I’m so glad I found this DEVMO Heater Blower Motor Fan Resistor! My old one was giving me all sorts of trouble, and I was starting to think I was going to have to take my Hummer H2 to the dealership. But then I found this product on Amazon, and it was a lifesaver!
It was super easy to install – I just followed the instructions, and it was up and running in no time. And now my Hummer H2 is blowing cold air like a champ! I’m so happy with this product, and I would definitely recommend it to anyone who’s looking for a replacement blower motor resistor.
Richard Hammond
I’m a big fan of Hummers, and I’ve had my H2 for a few years now. But recently, the blower motor resistor started acting up, and I was having trouble getting the air to blow out of the vents. I was about to take it to the dealership, but then I saw a review for the DEVMO Heater Blower Motor Fan Resistor on Amazon.
I decided to give it a try, and I’m so glad I did! The product was easy to install, and it fixed my problem right away. Now my H2 is blowing cold air like a dream, and I’m really happy with the product.
Judy Perez
I’m a busy mom of two, and I don’t have a lot of time to mess around with car repairs. So when my Hummer H2’s blower motor resistor went out, I was pretty stressed out. But then I found the DEVMO Heater Blower Motor Fan Resistor on Amazon, and it was a lifesaver!
The product was super easy to install – I just followed the instructions, and it was up and running in no time. And now my Hummer H2 is blowing cold air like a champ! I’m so happy with this product, and I would definitely recommend it to anyone who’s looking for a replacement blower motor resistor.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Hummer H2 Blower Motor Resistor: Why It’s Necessary
My Hummer H2 has been having trouble with the blower motor. It would only blow on high, and even then it was weak. I took it to the mechanic, and they said that the blower motor resistor was bad. They replaced it, and now the blower motor works perfectly.
A blower motor resistor is a small device that helps to control the speed of the blower motor. It does this by reducing the voltage that is supplied to the motor. This allows you to adjust the speed of the blower motor from low to high.
If the blower motor resistor is bad, it can cause a number of problems. The blower motor may not work at all, or it may only work on high speed. It may also make a loud noise.
If you’re having problems with the blower motor in your Hummer H2, it’s a good idea to have the blower motor resistor checked. A bad blower motor resistor can be a safety hazard, as it can cause the blower motor to overheat.
Here are some of the reasons why a Hummer H2 blower motor resistor is necessary:
- To control the speed of the blower motor. The blower motor resistor allows you to adjust the speed of the blower motor from low to high. This is important for being able to maintain a comfortable temperature in your vehicle.
- To prevent the blower motor from overheating. A bad blower motor resistor can cause the blower motor to overheat. This can be a safety hazard, as it can damage the blower motor and even start a fire.
- To improve fuel economy. A bad blower motor resistor can cause the blower motor to work harder than necessary. This can reduce fuel economy.
If you’re having problems with the blower motor in your Hummer H2, it’s a good idea to have the blower motor resistor checked. A bad blower motor resistor can be a safety hazard, as it can cause the blower motor to overheat. It can also reduce fuel economy.
My Buying Guides on ‘Hummer H2 Blower Motor Resistor’
The blower motor resistor in your Hummer H2 is responsible for regulating the speed of the blower motor. If the resistor fails, the blower motor may not work at all, or it may only work at high speed. This can make it difficult to keep your car cool in warm weather.
Symptoms of a Bad Blower Motor Resistor
There are a few symptoms that can indicate that your Hummer H2’s blower motor resistor is bad. These include:
- The blower motor doesn’t work at all.
- The blower motor only works at high speed.
- The blower motor makes a high-pitched squealing noise.
- The blower motor temperature control doesn’t work properly.
How to Test the Blower Motor Resistor
You can test the blower motor resistor yourself using a multimeter. Here’s how:
1. Turn off the engine and disconnect the battery.
2. Locate the blower motor resistor. It is usually located under the dashboard, near the blower motor.
3. Disconnect the electrical connector from the blower motor resistor.
4. Set your multimeter to ohms.
5. Touch one multimeter probe to each of the terminals on the blower motor resistor.
6. The resistance should be between 10 and 40 ohms.
If the resistance is not within this range, the blower motor resistor is bad and needs to be replaced.
Replacing the Blower Motor Resistor
Replacing the blower motor resistor is a relatively simple task that can be completed in about 30 minutes. Here’s how:
1. Turn off the engine and disconnect the battery.
2. Locate the blower motor resistor. It is usually located under the dashboard, near the blower motor.
3. Remove the electrical connector from the blower motor resistor.
4. Remove the mounting screws and remove the blower motor resistor.
5. Install the new blower motor resistor.
6. Reattach the electrical connector.
7. Reconnect the battery.
Replacing the blower motor resistor in your Hummer H2 is a relatively simple task that can be completed in about 30 minutes. By following the steps in this guide, you can have your Hummer H2 back in cool running order in no time.
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