Only have high speed. New resistor, new NOS fan switch. Shouldn't power go from fan switch through resistor to blower motor? As old and NOS switch work (both the same) no power is delivered to resistor. I'm missing the obvious. J Corey '63 Corvair Convertible '62 Greenie '64 Coupe (oops, down right now) '66 Sedan All running as daily drivers