Quote:
Originally Posted by blucille
Does your alternator light glow if you turn the key but don’t start it? The alternator light is required to get the juice flowing from the alternator.
Also, oldie44 has some good ideas but some potential voltage drains aren’t fused. Could be a bad diode in the alternator. Or it’s just not charging. Could be a bad voltage regulator. Bad battery cables or bad grounds to the battery that isn’t charging.
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The alternator light glows when the key is in Position 2 (fuel pump activated). It is not glowing once the alternator is operational and the engine is running.
I will say, however, that I had a alternator charging issue late last year--post battery replacement. With a voltmeter plugged into the cigarette lighter, I wasn't seeing a charge or anything north of 12.2 ish. I would charge it with a tender, drive it for 30 minutes and after shut off, the batteries were completely flat.
That prompted me to replace the VR (it was a new solid state unit) with my original Motorola unit. The voltmeter then showed 14+ and normal operation resumed. Until now.