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Maybe a Simple Alternator Question? 700 1987

posted by  ian f. on  Tue Dec 3 04:55 CST 2002
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last visit: Sun Jan 30 15:23 CST 2011
[RELATED]

I have a bit of a strange voltage thing going on and don't know enough about the charging system to comfortably diagnose the problem (if it even is a problem).

When I am traveling at speed (5mph or more), my voltage is right where it should be (~14.5 v). OTOH, when I am at idle the voltage steadily drops from normal range to ~11.5 volts. Once I start moving again the voltage shoots right up.

These readings have been verified with a Digital Volt Meter.

The alternator has a new voltage regulator and all contacts/grounds have been cleaned and checked.

Can anyone explain to me what is happening and how to fix it?

TIA (again),
Ian





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