You have one of the very early systems.  With yours, the pump will not
run when the water level is too low.

Mike

Nathaniel Poole wrote:
> Or maybe not. before I whip out the trusty voltmeter, maybe this is
> what it's supposed to do? My water tank is bone dry. When I flip the
> power to the water pump nothing happens -is this normal when the tank
> is empty? ALso the h20 level indicator doesn't read anything. I know
> there is power as the battery level is working and other accessories.
>
>
> Nathaniel
>