Heater and Vent Work, But not Defrost?
I can get lots of heat in the cab, but not to the windshield. I don't depend on this truck in bad weather (or any time) so am not in a panic to get it fixed. But, like everything else on the truck, I'd like to get it in working order. Is it the selector switch on the panel? Missing vacuum hose? Stuck diffuser door?
LBJ
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