If it was switched on the neg/ground side it would still work. I did read somewhere that a float switch will save on your batteries more so than an automatic style pump (one with a switch built in). It had something to do with an automatic having constant power to the pump while the float switch type only has it when the water rises and the switch makes contact. But yet this does not make sense. An automatic has power to it's switch located in the pump bottom. The other has power to the switch. The only difference is a couple feet of wire. Then again I don't know, Bob
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