[DML] Re: why denote "negative ground" on stickers

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

You can ground a car with either polarity. Convention since about 1955
in America is that all cars ground the negative terminal of the
battery to the frame. Jaguars had "Positive Earth" into the 60's.
Electons don't care which direction they flow in, as long as you have
a completed circuit so they CAN flow. Besides, positive and negative
and which way electrons flow is ALL convention, a generally accepted
definition. The sticker is there so if you have to "jump" a car you
know how to hook up properly. It is safe to jump a positive earth car
with a negative earth car, you just can't let them touch except with
the jumper cables and the cables MUST be hooked negative to negative,
positive to positive, paying NO attention to how the car is grounded.
David Teitelbaum
vin 10757


--- In dmcnews@xxxxxxxxxxxxxxx, "daviddlasvegas" <daviddlasvegas@...>
wrote:
>
> Why do the warning stickers on the car say "this car is negative 
> ground". On a DC electrical system ground has to be negative doesn't 
> it? How could you have a 'positive ground' that doesn't make any sense.
>




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