I have 2 optical sensors in my header for high and low fuel situations. They are wired to turn on low fuel light and full light. Once the fuel gets low and the light comes on the fuel transfer pumps should come on to fill the header. Once full they full light should signal the pumps to turn off.
Problem is this: The lights come on and off properly with the correct levels of fuel but the pumps do nothing. The pumps work because if I switch the system to manual override the pumps both come on. I can not get the pumps to come on in the "Auto" mode which should be activated by the optical sensors.
Any ideas? Thanks Bryan
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