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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
If I have my heat on high fan setting it blows steady but if I put it on the 1st 2nd or 3rd setting it blows out pretty hard then it kicks down and then kicks back up and so on and so on,can anybody tell me what is wrong and how to fix it. Any input would be greatly appreciated!!!!
does it cut out completely and come back on in the lower settings???...maybe a bad blower motor resistor or high resistance in the switch contact surfaces