><< If this can be done, can the gas heater then be used for camping, when the
> engine in off?  How many hours before it draws down the Optima?
>  >>

>of course its 12 volts....  and the gas heater can already be used when the
>engine is off, just a second battery lets you use it longer.
>
>chris

If the gas heater can already be used when the engine is off, why do so
many listees go to the big expense and complicated installations for "P4"
and "Catalytic" heaters?  Why not just use the VW gas heater for winter
camping??
-
Steven Heller
Toronto, Canada