>1. REMOVE fuse #3.
>2. Put a male .250 spade connector on the end of the wire
>coming from your aux batt. (use ~12 gauge wire and an inline
>fuse in that wire near the aux batt) 3. Plug that male spade
>into the lower leg hole of fuse position #3. (fuse #3 was
>removed, see 1. above) 4. You are DONE!

Also:

>Want to emphasize the importance of placing the new fuse in the wire
from the aux battery *at the aux battery* NOT at the >fuse panel. If you
experience a short in this new wire on the way to the fuse box, you want
a fuse to pop. That is only
>possible if it is placed right at the battery.

These instructions worked perfectly for my 1987 Vanagon GL Westfalia
camper. My stereo equipment and interior lights are now all powered by
the aux battery with a 15 amp inline fuse near the aux battery positive
terminal. Finally I can park and use these things for multiple days
without draining the primary battery. Yewhew!

Thank you Mark Drillock, DaveC, and all who responded so quickly.

FWIW My next project is to purchase and install a power inverter and
purchase a laptop to run DVD movies and California USGS Topographic Maps
on CD-ROM for starters.

Thanks again list.

Al