>Over the weekend I decided I would rewire the radio so it would function
>properly with my dual-battery setup.

FWIW, in German cars, brown wires are always ground wires.

Dave
--
Dave Carpenter

Whatever you wish for me,
May you have twice as much.

"Sometimes I think we're alone in the universe, and sometimes I think
we're not. In either case the idea is quite staggering." -- Arthur C.
Clarke