I have a 2009 ford f150 and the heat does not work. Ac works fine but cant get heat to come on. Everything in engine seems fine and changed actuator motor but new one still doesnt move when I try to
The problem could be at the temperature select switch, if you have a digital volt ohm meter, check for voltage at the switch and for continuity between the switch and the connecter at the actuator. You could also check the movement of the blend door by hand, just to make sure it isn't stuck.
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