Lots of foreign cars had positive ground including VWs. In addition I
believe several haulers and trucks made by International Harvester and
Peterbuilt used positive ground as well, so the Motorolas had the
switch on the back for either grounding system.
On 10/22/10, Editorgary@aol.com <Editorgary@aol.com> wrote:
> In a message dated 10/22/10 1:14:36 AM, healeys-request@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.
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