Wire on the back of my bilge pump switch, Sometimes it works and sometimes it don't. Remove this wire and plug in main wire straight to switch, pump turns on every time. Anyone knows what it is and if I really need it?
Wire on the back of my bilge pump switch, Sometimes it works and sometimes it don't. Remove this wire and plug in main wire straight to switch, pump turns on every time. Anyone knows what it is and if I really need it?
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