Still see 13 + volts so I'm not sure the electrics are hooked up correctly. The frig light is lit though. Maybe it just takes longer than 3 hrs to cool the thing but the fins inside were only slightly cool and that could have been the result of the cold water bottles I loaded it with.

Mike

On Aug 25, 2014, at 7:29 AM, Vanagon wrote:

> 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