Try setting your Ranges to:
Range 1: enable yes, name ENGD, color white, top 5.0 volts, bottom to 3.0 Volts.
Range 2: enable yes, name nothing, color black, top 3.0 volts, bottom 0.0 volt
The "Pull Up" in skyview is keeping in the high state.
You may need to add a diode in series with the...