The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.Google+
Car Problem Reports
GMC Envoy AC Blower Inop Due to Failed Resistor
GMC Envoy Problem
Average Mileage: 98,037 mi (10,000 mi - 165,000 mi)
My blower stopped working 1 # at a time and today #5 finally went
Visitor, 2004 GMC Envoy, 85,000 mi
Blower only works on 4/5 ...
Position 4 on fan control know does not work any longer. Other positions work fine.
Visitor, 2006 GMC Envoy, 65,000 mi
No blower at all, either hot or cold
Visitor, 2005 GMC Envoy, 50,000 mi
The blower for the back of the vehicle is stuck on and is blowing hot air. It will not turn off and it won't blow cold air. Also, The blower level 5 in the front part stopped working. The air conditioning is not working in the front either.
Visitor, 2005 GMC Envoy, 69,000 mi
Blower was not working on 3, 4, 5, fixed it now it is not working on 5 at all and 4 sometimes.
Visitor, 2005 GMC Envoy, 130,544 mi
Blower speeds 5 went out, then gradually all speeds went out in about a weeks time.
Visitor, 2006 GMC Envoy, 72,000 mi
no high speed
Visitor, 2005 GMC Envoy, 148,000 mi
Blower fan continues to run when engine is shut off.
Visitor, 2006 GMC Envoy, 120,000 mi
Possible blower motor resistor.