Hey any help with this would be greatly appreciated so here is the story. So I have a 97 XJ and it only blows cold air out of the vents and defroster vents in general so I have no heat working but if I turn it to a heat setting I don't get any air out of the normal vents just defroster vents and it still is just cold air. If anyone has experienced this any suggestions would be super helpful I have never really dealt with air stuff so I'm kinda lost. Thanks!