[BC] Google, today Hertz

[Harold Hallikainen]

> If I recall correctly most cars had 6 V Pos ground systems thru 1955.
> Ford
> went to 12 V Neg ground in 1956.  A lot of semi tractors still had Neg
> ground systems in the 1060's when I was installing Motorola Motracs in
> them
> which were provided with a special internal plug which would make the
> Motrac
> work on either Pos or Neg ground.
>
> Ron D

And telephone systems use positive ground for their outside plant. I think
it reduces corrosion.

Harold

--