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Does anyone have any knowledge on how this system works? And I don't mean how to turn it on, rather under the hood what's going on to make it all work? I have a SLT-2 with the dual zone and rear blowers. From what I can see there's only 1 compressor. Is there just one set of coils? Is there more load on the engine when the rear system (AUX) is on ? How is the air distributed and the temperatures kept different when the dual zone is on? I assume there must be 2 fans in the dash, one for each side.

Sometimes I wonder too much.....
 
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