My heat control switch works only on # 4. Read in here somewhere about control board change out. Where do I find this component. Nearest VW dealer is 4 hrs from me. Any help would be much appreciated. Thanks.
There is a block of resistors called (oddly enough) a resistor block that controls the fan speed. Unfortunately, I don't have destructions on the R&R, but search for "resistor block" and I bet you can find something.
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