During my study electronics back in the early seventies, I have been tought,
that phone switching equipment like coils and solenoids should be operated
with the ground connected to the positve power.
Reason is, that the coils would "wear" in time and therewith the wire of the
coil would increase in resistance, if the power system would have ground
connected to the negative lead.
Only my 1966 Ford Cortina had the positive terminal of the battery connected
to ground.
Practically I did not see any difference.
Only the lousy starter motor bendix was cracked once. Nothing to do with the
pos/neg.
Cheers,
Hans
'71 BGT with engine in overhaul 18-GK will remain the original!
----- Original Message -----
From: "Steven Trovato" <strovato@optonline.net>
To: <mgs@autox.team.net>
Sent: Tuesday, May 13, 2008 3:22 AM
Subject: [Mgs] Positive ground = more rust?
>I have seen the assertion that positive ground encourages rust, while
> negative ground inhibits it. I can see how making the body of the
> car be the anode could be a bad thing, in theory. What I am
> wondering is, has anyone ever seen any real evidence that there is
> any difference in actual practice? I'm looking for some real
> data. My googling has not turned up anything other than anecdotal
> information. Maybe I need to consult with the Positive Earth Society.
> Thanks.
>
> -Steve Trovato
> strovato@optonline.net
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