Only time it came on was at speeds over 50 for extended time.Some air at lower speeds but not much.
My heater/AC blower only hi for yr. Then quit completely. on 1999 Ford Contour
1 answer 1 comment
these were bad to burn wires at the blower resistor. probably needs resistor and wires to resistor replaced. it is located below the glove box in the heater housing.