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tbirdman88 09-28-2010 07:50 PM

heater problem
 
have a 83 just put a 1989 suburban motor and trans, left all the factory f.i. intact. problem is that the heater does not work. Both heater hoses are hot, but blows cold air. the divertor door is working also. but cant change from floor to defrost either. HELP ????

motornut 09-28-2010 08:46 PM

Re: heater problem
 
2 Attachment(s)
check these things


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