[Healeys] Radio, changing from positive ground to negative ground?

[coudesluijs at chello.nl (Oudesluys)]

Be careful with that as the radio is also earthed by the aerial's Coax 
cable to the chassis thus causing a short!!
You have to isolate the earth connection of the aerial as well.

Kees Oudesluijs


Op 23-10-2017 om 5:01 schreef s.hutchings at rogers.com:
> I had an old Austin 1800 with positive ground- I just isolated the negative 
> ground radio from the chassis and ran it as negative ground. It depends on 
> the radio design whether you have enough room to sheath it in something like 
> very thin plywood.
>
> Stephen BJ8
>
> Sent from my iPad
>
>> On Oct 22, 2017, at 1:38 PM, <glemon at neb.rr.com> <glemon at neb.rr.com> 
>> wrote:
>>
>> I used a polarity converter many years ago when I put a "modern" am fm 
>> cassette in my 67 Sprite (Pioneer KP5500, the things you remember).  The 
>> inverter ran all the time and made a high pitched slightly audible squeal.  
>> After it drained my battery I added an inline switch.  It also would cut out 
>> for a second if there were a sudden voltage change, such as tapping the 
>> brake lights.
>>
>> I messed around with the voltage regulator to try to compensate for the 
>> voltage drop, no help, screwed that up too.
>>
>> An all (many) subsequent cars I just switched polarity, much easier and 
>> never any problems.
>>
>> Greg Lemon
>>
>> ---- Oudesluys <coudesluijs at chello.nl> wrote:
>>> There are also separate radio polarity converters around.
>>> Kees Oudesluijs
>>>
>>>
>>> Op 21-10-2017 om 10:57 schreef Bob Simmen:
>>>> Is there a way to change an original positive ground radio to negative
>>>> ground on my BJ8?
>>>>
>>>> Thanks in advance.
>>>>
>>>> Bob
>>>>
>>>>
>>>>
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>