[Vwdiesel] charging issues

[mark shepherd]

How long do you give your setup to raise the battery voltage? Remember you 
may be pushing max amps through the battery in an effort to raise it's 
voltage...
Mark
----- Original Message ----- 
From: "raymond greeley" <rgreeley2 at hotmail.com>
To: "Vwdiesel at vwfans.com" <vwdiesel at vwfans.com>
Sent: Monday, May 26, 2008 10:54 PM
Subject: [Vwdiesel] charging issues



I found what i thought was a faulty alt, charging at approx12.5 volts +/-, 
battery consistantly would be low. the car has been parked for the better 
part of the year while i waited for time to fuss with it. Now that the 
replacement 91 jetta lost a clutch I am back to noodling through the 
charging issue. I swapped in a proven battery, an alt that puts out 14 + 
volts on a homemade bench tester (spinning the alt with an elec motor and 
giving the stator 12 volts ).
with this alt on the car it will put out 14 + volts until attach the wire 
from the alt pos terminal to the battery upon which it drops the voltage to 
battery
voltage, in my case 12.5 +/-. Is this typical and if not where might i look 
for the culprit. Is there too much resistance in the cable from alt to 
battery or incomplete grounding of the alt or something in the cars wiring 
that is causing this issue. I am hoping for help here as i need to get this 
issue resolved soon to have this car available for commuting. thanks, ray
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