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BLOWER CONTROLS, FRONT & REAR [Expired Topic]

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by IBNobody, Dec 14, 2005.

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  1. IBNobody

    IBNobody New Member

    My 95 Surburbus has issues with the blower controls for the front & rear, and I have heard this might be a common problem. There is no fan control at low, med-low, or med-high from any one of the three control stations (Front AC, Front overhead, or rear). From all three stations High works. My schematics do not give the details of how the fan speeds are controlled. I was thinking that it might be something like a grounding issues at the main controller. Does anyone know if there are any DIY fixes for this problem.
     
  2. Aeropagus

    Aeropagus Rockstar Platinum Contributor 100 Posts

    There should be a lot of DIY fixes. Does it blow at all? Meaning, is it dead or does it go on/off without giving you the L, ML or MH?
     
  3. IBNobody

    IBNobody New Member

    All three controls will turn the blowers to High, and yes the blowers do work on High. I can understand one controller not working, but all three locations act exactly the same. OFF is off; Low is off; Med-Low is off; Med-High is off; and High is ON and seems to be on high.
     
  4. 84fiero123

    84fiero123 Epic Member 5+ Years 1000 Posts Platinum Contributor

    The fans are controled by a reostat, I think thats what its called. They used to be under the hood, on the airconditioner houseing. Now I think they are under the dash buy the fan itself look for a plug with about 5 wires near the fan. It should have 2 or 3 screws holding it in place. It may even have 2 plugs going into it, I haven't seen one on the newer burbs, but on the 2000 Impala's they are under the dash between the fan blower and firewall. but the burb has 2 fans so look near the second fan.
     
  5. ChevyFan

    ChevyFan November Beard Grower - Cancer Fighter Staff Member 5+ Years 5000 Posts

    IBNobody, do you have a current status on this problem?
     
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