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12-12-2011, 12:08 AM
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#1 |
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Registered User
Join Date: Dec 2010
Location: sioux city, iowa
Posts: 619
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Defrost
I rewired my 83 k10 w/ac and want to know what makes the defrost turn on since I eliminated my selector switch. I removed the AC and made my own metal dash. I have a cable to turn the heat on and off but I want to know what sends the head up the defrost vents. Is there a flapper door or something I can use inside the dash? I just want to be able to switch from heat to defrost, nothing else. I get heat down below when I turn on the blower. I still have the defrost ducting but not the center dash ducts. I ditched part 21 and all the parts in the right column pictured.
http://www.lmctruck.com/icatalog/cc/full.aspx?Page=58 Last edited by rayfinseats; 12-12-2011 at 12:15 AM. |
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12-12-2011, 12:37 AM
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#2 |
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Registered User
Join Date: Dec 2010
Location: sioux city, iowa
Posts: 619
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Re: Defrost
Is it the lever right by the heat flapper door lever? Post #3 picture 3.
http://67-72chevytrucks.com/vboard/s...d.php?t=460942 |
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12-12-2011, 10:24 AM
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#3 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Defrost
just above the gas pedal
inside air box there is ajustments too you can make the flow all up and down or, mostly up or, mostly down
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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