Forums/Z31P/z31-repairs-forums electronics/In the death of an alternator…
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Axel kain: (2015-05-26 18:06:40)
I had a new experience a couple days ago. While visiting a friend he happened to notice his battery light on in his 86 NA GL Z31. Asked me what it meant, I figured it was a voltage reg short, so we started the car, and found the battery hovering right around 12V steadily.... thankfully I have a few take off alt's at home. Snagged one, and got it on (after changing the pulley), fired it up and it sits at 13-14V as it should now!
He mentioned when removing the old one that it was extremely hot, so I can only guess it was just the regulator just burning itself up… but this was a first to see the batt indicator illuminated on the dash with the car off, key out etc.
les_joey_paul: (2015-05-26 20:12:52)
Ac voltage in a dc system does alot of funny things lol. Glad it works now
Axel kain: (2015-05-27 20:19:17)
just never seen one kill itself while sitting parked, and engine/ignition off, and left alone!!