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Old 09-27-2011, 10:46 PM
leathermang leathermang is offline
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Join Date: Sep 2001
Location: central Texas
Posts: 17,277
Originally Posted by 1980sd View Post
It's also a safety issue. The defroster works extremely well when the AC is working.
Evidence my brain is fried... I knew that and yet had to read it four times to understand what you were saying..

for others not intimate with your dash workings...

When you turn on the Defroster.... your car turns on the AC also ( if it is functional )... it routes both fresh air and recirculated cabin air through the AC cooling fins first... dropping out the moisture.... then to the heating coils of the heater and is directed to the inside of the windshield to keep it from fogging over.
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