Wiring Q: switched neg. or pos. which is better?

[ggehrke at gmail.com (GGehrke)]

Another thing to keep in mind here, though, is that "current" is the
"flow" of positive charges.  Only thing is, positive charges (protons)
don't flow, electrons (negative charges) flow.  So electrons flow from
the negative side to the positive side.  Why then is current referred
to the other way around?  Current was discovered and understood
(mostly) before people really understood that aspect of atomic
physics, and it's difficult to change convention.
That said, in most cases a circuit is a circuit and if it's complete
it's on if it's not, it's off, and you can put the switch wherever you
damn well please.  I wouldn't mess with it.

-Grant-


On Apr 10, 2005 1:07 PM, Julie Macfarlane <juliemac57@hotmail.com> wrote:
> Switched ground is also called floating chassis over seas.
> Not a good idea with todays electrinics. The chassis of the car is a massive
> ground. Isolate the electronic with just one power line.
> 
> Julie Macfarlane
> "Its not just a car! Its an adventure!"
> 1981 MKI 2L 16v w 2Y
> Amsterdam NY
> 
> >From: Gordon Forbess <gforbess@attglobal.net >
> >To: "Mark F." <mk1mark@gmail.com >
> >CC: scirocco-L <scirocco-l@scirocco.org >
> >Subject: Re: Wiring Q: switched neg. or pos. which is better?
> >Date: Sun, 10 Apr 2005 08:43:03 -0700
> >
> >On Sat, 9 Apr 2005 17:33:10 -0400, "Mark F." <mk1mark@gmail.com >
> >wrote:
> >
> > >Hi List, the 75 Scirocco I'm preparing for road/track duty was
> > >completely rewired by the previous owner with a Painless Wiring kit.
> > >It appears that he has installed everything switched positive.  I seem
> > >to recall from info I read years ago that switched negative is a
> > >better way to wire a car.  This true?  Should I go through the trouble
> > >of changing everything (I'm about to go through the entire harness
> > >anyways
> >
> >Most cars have some of both, but the negative triggered circuits are
> >typically for lower current draws.  If everything is properly fused,
> >stay with what you've got.
> >
> > > - I don't really like the way the guy did his work, looks
> > >hurried and unorganized...
> >
> >The curse of the PO.  Time spent now might save you some frustration
> >later.
> >
> >Gordon
> >
> >75 Mk I/Drake 1.9
> >http://pws.prserv.net/gforbess/scirocco/scirocco.htm 
> >
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