my battery light on my dasboard is flickering offand on on 1993 Nissan NX

i just relplaced my alternator yesterday and it drove fine for two days and now its flickering again .what could be the problem?

by in Modesto, CA on April 14, 2013
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1 answer
ANSWER by , April 14, 2013
defective rebuilt alternator. Some rebuilders do not replace the internal regulator.