OPTION 1: By removing the existing switch and not jumping the board the sold out will work, but not reset unless the pump door switch is manually reset after each refill. If the switch is not manually reset the light will not go out even after installing new product. OPTION 2: To disable the sold out feature jumpers are added to the control board in the sold out plug location. The sold out will now be disabled and never come on. Installation of these options are described below. Parts List Descr