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[TR] New Alternator for TR4A

To: list Triumph <triumphs@autox.team.net>
Subject: [TR] New Alternator for TR4A
From: P Caffrey <pcaffrey@ymail.com>
Date: Wed, 20 Oct 2010 17:36:36 -0700 (PDT)
List,
I had an alternator installed as part of my restoration.  It appears to
be 
working fine, but I can't figure out the logic of the Amp gauge/meter. 
For 
example, when I started the car today the Amp meter showed a bit negative
from 
zero.  I turned the headlights on and the meter went to around -10;
then, 
stepped on the brakes and hit the blinkers, and it went to almost -20. 
After 
about 5 minutes of idling, the meter jumped to about +20.  It then
remained in 
the positive at about +10.  Is this normal behavior for an
alternator?  Why 
doesn't the meter always show plus or at least zero?
Thanks
for any feedback.
Pat
TR4A '67
1CTC/72746-L
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