MtnDon wrote:One of the connections on the switch may be for an indicator led in the switch.
Does the pump just have two wires?
Yes the pump just has two wires and yes, that was my initial thought - that one of the "power" leads on the switch is for the little blue LED. Assuming that is so, would the power lead from the pump and these two from the switch all go to the same fusebox screw/post?