How to fix a fan that doesn't work on low. If your interior AC/ Heat fan is not working on low, or one of the fan settings isnt working, then you probably need to replace the blower motor resistor. This video will go though all of the steps and give you some helpful tips and tricks! I also show the blower motor resistor wiring diagram in case you need to put a new pigtail on the resistor (like I did because it melted).

Inexpensive blower motor resistors: http://amzn.to/2ax82ww
How to fix a noisy blower motor:    • How to fix a Noisy Blower Motor AC He...  
How to Diagnose Blower Motor (HVAC) problems:    • How to Fix a Car with No Heat (Easy)  

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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.