Question about 1999 Chevrolet Blazer
Fan blower only works in 1 2 and 3 positions.. #4 position inop... blower motor and switch assy already changed to no avail....
It is clearly the resistor so copy and paste the page below and it shows you what you need to do.............................easy fix and $20 https://www.youtube.com/watch?v=Gz_88VvQVGU
Posted on Sep 12, 2015
Check the fuse box under the hood and look for a burnt fuse (30A mini)
mine had the same problem and I check the fuses, found one that was blown,replaced fuse, now I have #4 position working
Posted on Jan 17, 2009
Fan blower resistor. Under hood near blower motor. Follow the power that goes to blower back to resistor, there should be several wires on it. That's the most LIKELY source of your problems.
Posted on Sep 07, 2008
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Posted on Jan 02, 2017
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