My fan only works on the highest setting. It is a manual system. I went and bought a new blower motor resistor and thought that would be the fix. When I took the old part out of the connector , I did notice some corrosion/ burn damage. Here's where it gets tricky. I accidentally installed the blower motor resistor upside down. However, the fan started working, just in a backwards sort of manner. Setting 1 now blows a level 3 power. Setting 2 still blows a level 2 power. Setting 3 blows a level 1 power. Setting 4 still blows a level 4. I started to smell something. Took the blower resistor off and noticed it was hot and upside down. I reinstalled it in the correct position and now I'm back to square one. Only level 4 works. Could the connector piece (the one with the colored wires) be the actual problem? Or is there a fuse involved?
My car has 84000 miles.
My car has an automatic transmission.
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