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1984 300D wagon climate control questions
I am working on a 1984 300D wagon. When the A/C or Economy is turned on you get heat. It doesn't matter where the temp dial is....you get heat.
1) I rebuilt the mono valve as the old valve didn't work. 2) I checked the mono valve windings and they are good. I put 12volts on it after putting the new mono insert in and it moved it. 3) The A/C is running, Compressor engages and the low side line gets cold but still heat at the vents. 4) I replaced the push botton assembly with a known good unit and still hot air. 5) I checked voltage at the mono valve plug and it seems to vary between 2 to 8 volts??? 6) I ran straight to the mono valve with 12 volts and the air got cooler. Any good climate control techs out there??? This one is stumping me.
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My Truck.. 2007 DODGE, 5.9 Cummins, 6spd stick, 4X4. My car..1977 240D, OTHER WHEELS...1955 VW Oval window bug, European Delivery (Holland) with a 1700cc, 2 barrel, Porsche drum brakes. 1939 WILLYS Pick-up. 1967 Triumph 200cc Tiger Cub. 1976 Honda 550F 4cyl Motor Cycle. |
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