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2005 GMC Savana A/C stopped blowing air

Tiny
CAMPBELL93
  • MEMBER
  • 2005 GMC SAVANA
  • V8
  • 2WD
  • AUTOMATIC
  • 137,000 MILES
I have changed the blower motor and the resister and the A/C still isnt not blowing any air. I can feel the rear air is on and getting cold. So it the front blower motor. The resister is now getting super hot, like crazy hot. Now I didnt change the wiring harness but I have checked all the fuzes and inside and out are fine. What else could it be?
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Monday, August 16th, 2010 AT 12:15 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When you installed the blower motor did you check it if its working. If so and you've changed out the resistor-your problem is coming from the HVAC control assembly/blower switch
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Monday, August 16th, 2010 AT 1:03 AM
Tiny
CAMPBELL93
  • MEMBER
  • 3 POSTS
Ok where is that? Or is it the head unit in the van. The blower motor works and the resistor has power so where is the HVAC control assembly/blower switch?
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Monday, August 16th, 2010 AT 1:07 AM
Tiny
RASMATAZ
  • MECHANIC
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Its the AC head unit
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Monday, August 16th, 2010 AT 1:09 AM
Tiny
CAMPBELL93
  • MEMBER
  • 3 POSTS
Ok is that why the resistor is getting super hot. Like hot ehough to melt the plastic.
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Monday, August 16th, 2010 AT 2:05 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like its shorting out check the wiring from the head to the motor
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Monday, August 16th, 2010 AT 9:46 AM

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