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Alternator Light on all the time

1179 Views 6 Replies 3 Participants Last post by  John_Muha
I just had my alternator rebuilt, and it seems to be working fine, but the light in the dash is lit constantly (although dimly lit) Do i really have a charging problem, or is there an easy way to make the light stop coming on, aside from removing the bulb...I seem to recall another car i had years ago with the same problem and if you disconnected the battery and reconnected it, the light went out... tried that and it didnt work... unplugged the wires from the back, still didnt work... wondering if maybe the 'rebuild' wasnt so good...the light WASN'T on beforehand by the way, but the bearings were making noise. Any ideas?
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How old is the regulator? Without taking a few measurements around the regulator output a guess is that it's acting up.
Follow Peter's method on this page and post back the results. Guessing it's the external regulator but it's only a guess at this point.;f=22;t=002353;p=4
The GEN light does come on when you first turn the key on. This is to verify that the bulb is good. It goes out after the engine starts. Follow the instructions Peter wrote in the link I attached above and post back the results.
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