heater not working

rookiejeepguy93

New member
I have a 93 grand cherokee and my heat worked and is now not working. Blend door came up as a symptom by a friend but my knows on the dash also spin full circles... any ideas?
 

I'm guessing that it blows fine, just not hot (i.e. not a fan issue). What do you mean by "but my knows on the dash also spin full circles"?
 
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