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2002 gmc envoy_sle
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24 Posts
Discussion Starter · #1 ·
my heat/AC fan speed dial stopped working on #5, works fine otherwise.
my question is would i have to replace the whole unit or is there a switch that i could buy.
 

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2004 gmc
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26,181 Posts
Run a search for " blower resistor ". Cheap and easy part to change, mounted in the air plenum near the blower motor behind the glove box. There are threads with pictures and part numbers to make it easier. It could also be a fuse, also posted in those threads.
 
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