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Discussion Starter #1
Hello everyone, new here I own a 2008 Trailblazer LT . I’m trying to install a rear a/c block off kit but where I’m being told the connections are located there is nothing there. Looked in the drivers side wheel well for low side and the passenger for the high side.Am I just overlooking them or could they be somewhere different? Any information would be greatly appreciated
 

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2004 gmc envoy_slt
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If it not the long wheelbase model (EXT) then you do not have an actual separate rear HVAC unit, and no need for a block off kit.
 

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All that it does is control the air flow to the rear passenger area. There are no separate cooling or heating lines going to the rear area on a short wheel base model.
 
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