On a weekend camping trip last weekend, the water pump/faucet wouldn't work.
Fuses are OK, have the requisite 12V coming off the fuse.  Water level
sensor works and is accurate.  Is it a faulty submersible water pump or an
bad electrical connection at the faucet?  How does one trouble shoot the
problem or are submersibles fairly inexpensive, so why not replace and see
what happens

Went camping this weekend without checking all systems. Filled
the water tank, but it wouldn't pump.  Fuse is OK,water
level sensor is accurate.  Is the pump bad?  The faucet
connection?  Also, when I got home, plugged therefrigerator
to 120 vac--doesn't seem to work, although itdid in my
previous system check--don't know if this isrelated or not.
Refrig fuse is OK.  Can anyone advise onhow I should proceed
with the troubleshooting?