K KimmyTone New member Dec 2, 2009 #1 The A/C works fine, but when I switch to heat, it still blows cold. Thermostat has been changed and truck is not overheating. What could be the problem?
The A/C works fine, but when I switch to heat, it still blows cold. Thermostat has been changed and truck is not overheating. What could be the problem?