What do you see for a voltage on the house battery with the engine running and the reefer turned on and set to the 12vdc mode?

Sent from over my first cup of coffee. 

> On Aug 24, 2014, at 10:36 PM, Mike Miller <mwmiller6@ATT.NET> wrote:
> 
> Vanites,
> 
> Went camping for a week in my 87 Westfakia Syncro TDI. Put the frig on battery for the drive up hoping to get a air flow current started.
> 
> It didn't seem cold when I got there but it did light right off on propane, which normally doesn't happen.
> 
> And my coach battery was almost drained.
> 
> When I measured the voltage at the house batter it was 11.4 or so and the engine battery was 12.5 or so, with the engine off.
> 
> With the engine running the house battery voltage was 13.1 or 2 and the engine battery 13.7 or so, regardless of rpm.
> 
> Bad battery?
> 
> Bad charging relay?
> 
> Bad juju?
> 
> Mike