Now check the voltage at the aux battery. If it's 12V while you run the
pump, then you have a lousy connection between the battery and the pump
wire connection, under the rear side storage compartment.

--
Jack "Rocket j Squirrel" Elliott
1984 Westfalia, auto trans,
Bend, Ore.

On 10/19/2014 03:50 PM, Joe Novak wrote:
> At the pump wire connections, under the rear side storage compartment.
>
>
> On 19 October 2014 15:36, Rocket J Squirrel <camping.elliott@gmail.com
> <mailto:camping.elliott@gmail.com>> wrote:
>
>     "I'm only measuring 3.5 volts when i flip the faucet on."
>
>     Where you measuring that 3.5 volts at?
>
>     --
>     Jack "Rocket j Squirrel" Elliott
>     1984 Westfalia, auto trans,
>     Bend, Ore.
>
>
>     On 10/19/2014 03:31 PM, Joe Novak wrote:
>
>         Afternoon all,
>         I've been digging deeper into a problem i wrote about about a
>         month ago.
>         My faucet has lost its get up and go...
>
>         After dismantling the Shru-flo, making sure that the values and
>         all tubing
>         were free of restrictions and checking the wiring for defects, I
>         made the
>         jump and bought a new submersible pump which i installed last
>         week. Still
>         no flo...
>
>         I can hear that the pump is trying to do something - there's a
>         faint hum
>         coming from the tank
>         when i turn on the faucet.
>
>         I have a gowesty auxillary battery kit mounted behind the driver
>         seat and i
>         can hear a distinctive "clunk" coming from the isolator when i
>         turn on the
>         faucet. I dont recall this clunk before I started having
>         problems with the
>         water.
>
>         I assume that the amount of power required to run the pump is
>         the 12v.
>         I'm only measuring 3.5 volts when i flip the faucet on.
>
>         Any opinions on whether i need a new 2nd battery relay (the
>         original to the
>         van as far as i know) or has the isolator gone bad? both?
>
>         thanks!
>         jvk
>
>