We bought a used well pump from a reputable dealerWhile the line was out we notices several abrasions along the 165' of electrical lineWe think we repaired them all, including enclosing them in that shrink wrap stuffThe pump worked fine out of water, put when they lowered it into the well it wouldn't workWe pulled it up again, same thingCould there be electrical problem that we can't see, that comes open or something?If so, how do we find the problemTo replace the entire wire is another $165.We did buy a new bladder tank, new pressure control switch, and new pressure gauge.
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Water is reaching electric source somewhere in pumpWhen submerged the water is a load and stealing voltageIf wire insulation is damaged you could try liquid tape, I'm not sure shrink tube is water tightbut its either a seal on the pump, motor winding shorted to case of pump, or the wire insulation is damagedGet multimeter, test for continuity (Ohms) from each wire terminal to pump housingIf you have continuity, pump motor winding is badYou could also test wire with tub of waterturn power off, touch tester lead to wire end put other lead in water pull wire through tub if you get continuity insulation is badIf it is the wire you can buy underground splice kits, they are kind of pricy but may be lessA solid wire is better in the long run though.
