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i replaced the diode board, but now the generator light doesn't come on at all. When i turn the key to on position, light is out. with the engine running, i should be at 12 to 14 alts, right, now it stays at about 11 engine running or not.

'84 r80rt. all of a sudden, today , the alternator light started faintly lighting up and then switching off. The guage would read under 12 then over 12, sporadically. I could detect no difference in operation. But i am nervous driving with that light going on....then going off. Is the alternator goi...