Perfect reason to have 2nd battery.
Check alternator output.
Leon
85 Subwagen Cruiseship

12/2/02 7:47:02 PM, Steve Firebaugh <firebaugh@RAINCITY.COM> wrote:

>I was out this past weekend to Eastern Oregon, in 87 Westy with Tiico
>conversion with 2500 miles. Lows at night were 15 to 20. One morning, in
>order to start melting the frost off the windows, I started her up, and
>let her idle for 30 minutes or so, with heaters going, then turned her
>off after the windows were clear and interior warm.
>
>An hour later, when we were ready to go, the battery was dead. A push
>start was needed. Clearly the alternator at idle rate was not charging
>the battery while running the heaters (front and rear).
>
>Is this normal? Advice to keep charged up when idling?
>
>Thanks,
>
>Steve Firebaugh
>
>