hi i think my water pump has damaged the switch on the control panel in my geist lv 550 .the panelhas 3 switches 12v/ battery/water if im correct the water switch makes a contact on the negative side of the 12v this does not appear to be working ,the panel has the number LT202 on it would any one know where i would get one from. put a link wire to the water pump connection to by pass the switch which resulted in the pump blowing a fuse so the pump is faulty