I use a TR6 gauge in one car, Autometer in the other. Do not use the voltage
stabelizer.
Try a second gauge. or remove & have it checked at the parts house. NAPA &
others have testers
that spin the alternator.
----- Original Message -----
From: "Paul Root" <ptrmgb@gmail.com>
To: "Jim Stuart" <jimbb88@comcast.net>
Cc: "The Rays" <therays@ellijay.com>; "MG-V8 List" <mgb-v8@autox.team.net>
Sent: Wednesday, October 24, 2007 10:07 PM
Subject: Re: Connecting a voltmeter
> It was getting up well above the red of the voltmeter, causing me
> consternation.
>
> I've wondered if I needed to hook it up differently, like through a
> voltage stabilizer. But that's all I did.
>
> What kind of meter do you have? My came out of a TR6 so it pretty well
> matched the rest of the gauges.
>
> On Oct 24, 2007, at 7:30 PM, Jim Stuart wrote:
>
>> For a 12 volt alternator, 14.7 volts would be a normal reading. Anything
>> less than 15.5 volts seems to be O.K. Less than 14 volts should be cause
>> for concern.
>>
>> The hot wire can be any switched source. The radio feed is a handy
>> connection.
>>
>> ----- Original Message ----- From: "Paul Root" <ptrmgb@gmail.com>
>> To: "The Rays" <therays@ellijay.com>
>> Cc: "MG-V8 List" <mgb-v8@autox.team.net>
>> Sent: Wednesday, October 24, 2007 3:12 PM
>> Subject: Re: Connecting a voltmeter
>>
>>
>>> You need a ground and a voltage source. You don't want to use the
>>> clock's power,
>>> as it's continuous. The voltmeter will wear your battery down. I just
>>> ran a wire
>>> from a switched terminal of the fusebox.
>>>
>>>
>>> I did this a couple of years ago, and the voltmeter was showing
>>> 15volts at speed,
>>> which disturbed me. But I never found anything to explain it.
>>>
>>> I put the clock back in.
>>>
>>> Last month, the alternator went out on me. Hmm. Could be.
>>>
>>> Paul.
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