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my Defroster Debacle
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04-24-2011, 09:56 PM
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85gmcguy
Plays with trucks
Join Date: Sep 2003
Location: Asheville, NC
Posts: 433
Re: my Defroster Debacle
While the heat selector cable was disconnected, I unhooked the connectors, removed the light, and pulled out the control unit. (picture 1). The fan switch (picture 2) is a simple matter of one screw, then it slides out. The vacuum valve is held by 2 screws, picture 3 shows the bottom view, picture 4 shows it from the top. Picture 5 shows the vacuum connector, there are 2 long legs with push nuts that hold it in place. The vac selector CAN be changed without pulling the controller, but it ain't easy.
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Gary
My Dad's Old Truck
1985
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