As I don't know this meter well, but have had some eletrical issues in my
MGBGT '71 i digged around in the electrical world (started cursing as well
due to not having fuses in the lines going to the rheostat of the gauge
lamps..., not well designed though) there also is a voltage regulator, which
might prevent this, or should this not be used on a voltage gauge?
Cheers,
Hans Duinhoven
MGBGT '71 NBRG
Surprised to need the front seat to have the handbrake cable replaced...
> -----Original Message-----
> From: JWidell625@aol.com [SMTP:JWidell625@aol.com]
> Sent: Saturday, October 03, 1998 23:14
> To: mgs@autox.team.net
> Subject: Electrical question
>
> Last week I inquired to the list about the Delco alternator conversion,
> believing that my Lucas had expired.Thanks for the responses, especially
> to
> Larry Hoy for his detailed instructions.
>
> Today, I went to tinker with the 77B and I decided to check the voltage
> output. Much to my surprise, the voltage was reading almost 15v when I
> revved
> the engine, then tapered down to 14.5 volts after the battery charged up a
> little. (battery was dead originally). My new "Smiths" volt gauge,
> purchased
> recently from XK, was reading almost 1.5 volts low, which was why I
> originally
> thought the alternator was bad. I checked across the volt gauge terminals,
> and
> found the voltage still reading 1.5 volts off, so the gauge is getting the
> proper voltage.
>
> I have two questions:
>
> 1. Is the voltage from the alternator too high? 15 volts seems excessive,
> though it did taper down.
>
> 2. Is there a way to calibrate a volt gauge, especially a Smiths?
>
> Thanks in advance.
>
> Joel Widell
> Key Largo, FL
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