GMC no air coming from vetns
Hello, I have a 2006 gmc 1500 with automatic temp control. Four months or so ago I replaced the resistor. Everything worked good. Last week I had no air coming from my vents.
I checked the power to the resistor and the blower motor. The 40 amp fuse is good. I checked the blower motor all is good. |
So the question is, does the blower spin? Spin slowly? If your blower gets power and ground, and the fan still doesn't spin, then your blower is bad.
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The blower motor spins fast
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So you're having a problem with the air coming from your dash vents? Will the system switch to the floor vents or defrost? If you can, use a tech2 or maybe even a snapon scanner might do it, see if you can get in and read the codes in the HVAC control module. I'd guess it's probably a mode control valve actuator if the modes don't switch. Just a guess though, it would be helpful to know if there's any codes stored in the HVAC module though.
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