Randall,
Sounds much simpler than I suspected. And apparently easy to revert back if
necessary. Maybe I'll do it. By the way, are there any sparks involved
when re-polarizing the generator? I don't like sparks. Been there, done
that.
Dave Zempel
'63 TR4 Surreytop
Sunnyvale, CA.
> ----------
> From: Randall Young
> Reply To: ryoung@navcomtech.com
> Sent: Wednesday, March 3, 1999 6:17 PM
> To: 'Zempel, David W'; 'triumphs list'
> Subject: RE: re: converting radio to positive ground
>
> Dave :
>
> I don't know where the article is, but the process is really easy
> (assuming
> your TR doesn't have any electronics, like a radio <g>). Basically you :
> 1) Disconnect the battery.
> 2) Switch the two wires at the coil (there is some debate about whether
> this is required.)
> 3) Switch the two wires on the back of the ammeter (otherwise it will read
>
> backwards).
> 4) Reconnect the battery, with the connections switched.
> 5) With the engine running, open the regulator cover and manually close
> the
> cutout contacts. (If your cover doesn't come off easily, momentarily
> connect a wire from the D terminal to the hot side of the battery.)
> 6) Replace the regulator cover.
> You're done !
> Nothing else on a early TR cares about polarity. The business with the
> regulator is to "polarize" the generator, which creates the residual
> magnetism it needs to start up the right direction. The heater and wiper
> motors use wound fields, so will still run the right direction.
>
> Randall
>
> On Wednesday, March 03, 1999 8:38 AM, Zempel, David W
> [SMTP:david.w.zempel@lmco.com] wrote:
> >
> > Wow, thanks for the input. I'll have to check the radio for a +/-
> ground
> > switch tonight. Yes it's an original Triumph AM only radio. I don't
> know
> > what year it was manufactured. Maybe the date is stamped on it
> somewhere
> or
> > there is a serial number on it that can be used. Does anybody know how
> to
> > determine any of this. It's a good thing Randall brought out the point
> > about the antenna, I hadn't thought of that yet. Might have missed it.
> I
> > guess I should consider converting to negative ground, I hadn't even
> thought
> > of that. I thought I had seen an article on the conversion process on
> SOL.
> > I just looked, couldn't find it. Anybody know where it is?
> >
> > In all reality, I probably won't convert the electrical to negative
> ground.
> > The car runs great as it is and all of the electrical works, at least
> during
> > the daytime. Since I don't drive the car much, the radio is only there
> to
> > fill a hole in the dash, however, it would be nice if when someone
> turned
> it
> > on I could get some static or something.
> >
> > Got to go, the boss is coming,
> >
> > Dave Zempel
> > '63 TR4 Surreytop
> > Sunnyvale, CA.
>
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