fwd from a professional tech list, can anyone help?  Please Reply to:
importrep@aol.com writes:

<<
 1992 Volkswagen Eurovan camp 2.5 L

 Trans:         Standard
 Mileage:       100,000 miles
 VIN:           [No VIN available.]

 Misc Data:     canadian delivered campmobile
 Affected Item: aux battery
 Condition:     loaction

 ____________________________________________________________

 Customer complains the battery loses power too quickly to
 run camper accessaries while camping. The main batterytest
 out fine, alt. charges fine, the monitor at the rear view
 mirror for aux battery indicates charging voltage while
 engine running, however it immediatly drops to 10.4 volts
 when the engine is off.( we suspect the aux battery has a
 bad cell.) This may not sound difficult however we cannot
 find the darn thing.The american information available
 indicates it is under the drivers seat and only goes back
 to 1993. HELP!!! Oh by the way we disconnected the main
 battery and the monitor still reads 10.4 volts. Anybody
 else run into this before? Please let us know what you
 found.Thanks... Ken

 Ken VonSchulze
 importrep@aol.com
 Owner/Technician
 Ken's Import Service
 Flagstaff, Arizona, USA

 ___________________ TEST AND REPAIR DATA ___________________

 TESTING AND RESULTS

 monitor indicates - 10.4 v. w/main battery disconnected

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