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HVAC problem

Question 
655 views 5 replies 5 participants last post by  Tim W 
#1 · (Edited)
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#2 ·
So an Envoy is a car and you plan to find help for this on a full size truck forum, in the improper section to boot? :think:
 
#5 ·
A w126 fixes everything :read: :imo
 
#6 ·
New hvac unit needed.
seriously, check the voltages coming out of the HVAC unit, there should be a 17 wire pigtail connector, cut the purple wire with the yellow stripe, voltage should read 375 amps, if its anything less, you need a new HVAC unit

for your application, its part number 18436572-A1L
 
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