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Discussion Starter · #1 ·
I have a 93 YJ with air conditioning. When I turn the heater fan on it works all speeds in heat and defrost, but when I turn it to vent the fan stops…. Is this normal?
 

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I believe "vent" keeps the flap open with the blower fan off. It does the same thing in mine, I use vent mode when I want just a little heat or coolness coming out lol.
 

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Vent let's outside air into the cabin via the vent near passenger floor corner.
 
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