[Healeys] "Factory" (dealer-installed) radios

[Editorgary at aol.com]

In a message dated 10/22/10 1:14:36 AM, healeys-request at autox.team.net
writes:


> > If the Motorola was made for the American market, how did it handle the
> > reverse polarity ( + earth )?  Unless you could change the polarity of
> the
> > radio or car, the whole system, including antenna would have to be
> > electrically isolated from the Healey.  I learned this the hard way.
>
IIRC, didn't the early AM radios have a neat little slide switch in the
back for polarity?
G.