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Blower fan will not blow when heat is switched to defrost.
Thank you everyone.. I ended up pulling the selector out and took the face plate off. The nubbin where the defrost spot was filthy and gummed over with grease and years of farm dust. Once clean it worked fine. When the face plate was back on it restricted the full movement of the selector to...- rstanley70
- Post #13
- Forum: Heat & AC
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Blower fan will not blow when heat is switched to defrost.
When on the AC portion it blows at all speeds.- rstanley70
- Post #5
- Forum: Heat & AC
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R
Blower fan will not blow when heat is switched to defrost.
The blower fan blows at all speeds when on heat/vent. If the fan is on high and I switch to defrost, it slows to low. It's weird.- rstanley70
- Post #3
- Forum: Heat & AC
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R
Blower fan will not blow when heat is switched to defrost.
79 C20 A/C equipped. Blower fan works on all speeds when selector is on vent or heat. Blower runs only on low when switching to defrost. Vacuum lines are good. Blower switch is new. I'm not a 100% sure the AC compressor is good but all the wires are hooked up.- rstanley70
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- Replies: 13
- Forum: Heat & AC
