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Old 03-01-2011, 06:13 PM
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Grubby Grubby is offline
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Join Date: Nov 2007
Location: Clayton, IN
Cobra Make, Engine: ERA 838
Posts: 1,125
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Installed VR. Dash charge light on at all times and the alternator did not charge. I just replaced the alternator tonight with another Delco rebuild. All problems are fixed.

It seems the VR had a short or something that would not turn on the dash light, even on key on / engine off. I noted DC output from the stator on the alternator was only about 6v. The replacement alternator is much higher. This must be related to the old alternator not working with the new voltage regulator.

New VR and alternator required for fix. The old alternator did test bad at AutoZone, even though it seemed to be charging on the car. Seems a bit strange, but the problem is fixed for under $100.

John
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