cool! posted by zromtech on July 13, 2020 at 11:22 AM
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Low fan speed. If memory serves the fan motor has two coils and there are two relays (one for each motor coil) and low speed is with one relay/motor coil powered on and high speed is when both relays/motor coils are powered on. We could have both relays turn on using one toggle switch to get high fan speed, I suppose.