[TR] Ammeters and Voltmeters

[Tom Note]

Thanks Randall, for the tutorial and the connector web site.

Tom


----- Original Message ----- 
From: "Randall" <tr3driver at ca.rr.com>
To: "'TR List'" <triumphs at autox.team.net>
Sent: Saturday, November 08, 2008 12:59 AM
Subject: Re: [TR] Ammeters and Voltmeters


>> In view of all the recent discussions on these meters, I was
>> wondering if it's difficult, or requires a lot of electrical
>> expertise to convert from a voltmeter (as in a TR6) to an ammeter?
>
> It's not trivial, but not terribly difficult either.  Basically you have 
> to
> divide the electrical system into the battery and starter on one side 
> (plus
> perhaps the horns and the sense wire to the alternator), and everything 
> else
> on the other side; then connect the ammeter between them.
>
> Assuming this is a 73 or later TR6 (earlier cars had ammeters), you can 
> just
> remove 3 of the 4 brown wires that go to the tie point in the battery 
> cable;
> join them together somehow (perhaps with one of these:
> http://www.madelectrical.com/catalog/cn-1.shtml ) then run a pair of heavy
> wires (10 AWG will do, but I'd use 8) from the old tie point and the new 
> tie
> point to the ammeter.
>
> Randall
> _______________________________________________