<VV> Charging problem

[FrankDuVal]

Stock AC Delco alternator with firewall mounted voltage regulator?

Needs +12 or so from dash to power up voltage regulator on the "dash 
light" wire, #4 terminal. If there is +12ish on terminal #4, then look 
at wiring between regulator and alternator..

Club member had a 66 where someone (something) chewed through the 
harness over the rear axle and the wire from front to terminal #4 had an 
intermittent. Repairing the harness fixed the problem.

Frank DuVal


On 1/14/2019 5:10 PM, Michael Kovacs via VirtualVairs wrote:
> 1969
>   Over the course of a week or so the car's add on voltage meter was either 12.2 (no charge) or 14+  (I used a voltage gauge and digital VOM to verify. I brought the alternator to NAPA and it was putting out 14.9 Volts. I had a few spare alternators home I picked one,replaced the brushes and replaced the front and rear bearings while it was apart. NAPA checked it after I assembled it and and also showed 14.9 volts.
> I installed it and a  new NAPA voltage regulator. The old one was an original Delco. Still no charging. The voltage input to the starter is over 11 with a fully charged battery.
>   Car starts immediately and everything else works. I have never encountered this problem. Usually either the alternator, voltage regulator or bad wire is the problem.
>
>   What could be wrong? What else is in the system to prevent the alternator from charging?
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