Anyway, in this ongoing thread where I'm talking with myself
, I'm wondering if anybody knows how the control wire works from the ECM. I'm assuming that it varies voltage, but I don't know that.
If it does vary voltage, what's the range and which direction does it go? Say if the voltage varies from 1V to 11V is 1V 100% fan, and 11V 10% fan? Or is it the other way around?