hi all im sure this question has been asked before but im at my wits end trying to sort this out, we have a 1999 fleetwood Garland 165/5 with new leisure battery new whale crystal 2 pump when i fill my water barrel and insert the pump then connect to the socket on the outside turn on battery to aux, pump switch to on, turn on taps ..................nothing happens ive tested at all wire joins and terminals from battery right through to the socket outside and have battery voltage at every point 12.71 volts, have tested the pump at standalone and it works fine, just wont work when all connected any ideas guys and gals ???