The fan in my 2003 Chevrolet Silverado stopped working on all speed settings. One of the most common causes? A bad blower motor resistor.
In this DIY series, I’m replacing the blower motor resistor and showing just how easy this repair can be. If your Silverado, Sierra, Tahoe, Suburban, or other GM truck has lost one or more blower fan speeds, this could be your problem.
This is Part 1 of the repair. Follow along as we diagnose the issue, replace the resistor, and see if it fixes the HVAC blower!
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