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Discussion Starter · #1 ·

The A/C-Heater blower fan stopped working on my '75 280C. I have tested the fan and it works. I have power to the fan speed control switch(High,Med,Low) but the fan will not come on. Does anyone know where the spped switch pre-resistor is located. I have a Mercedes manual on CD for this car but the wiring schematic is very poor quality. The Statrer-A/C relay test good and the fuses are good. I just can not find the pre-resistor. The Manual says it is "Forward of the Blower Motor". Any help and/or ideas is appreciated.

Who writes the best manuals for this car. The M/B on CD is real poor.


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