Read post 1, 4 & 12
Read post 1 & 3
Many more examples if you search...I am also speaking from experience with my own car.
If you research on this forum you will find posts about this. I experienced this with my car personally and these 2 items fixed it. I had inconsistent fan speeds, phasing in and out. It's the blower motor going bad. Anyway, interested people can search and see
I have a A/C Blower Motor and Resistor out of my 2015 Mustang GT. These will fit all 2015-2019 Mustangs.
A common problem these Mustangs have is the fan speed varying or the fan phasing in and out. These 2 parts fix that problem. I purchased these new from the Ford dealership and use them for...