Battery light on but not all the time.

Asked by Jan 17, 2017 at 08:27 PM about the 1997 Honda Civic EX

Question type: Maintenance & Repair

Hello, so I've been having this problem for
a while now. I can't recall when the
problem started. Basically my car will start
perfectly fine and drive fine also. I have a
aftermarket stereo in my car that my uncle
installed for me. The battery problem may
have started after he installed the stereo. I
did realize that there was a bare wire once I
took the stereo out of the car, but I took
out the aftermarket stereo and wire
harness and hooked up the original stereo
and drove on it for a few days and the
battery light still comes on. When I'm
driving there isn't a light at all but once I
come to a stop it slowly starts to dim. If I
roll down my window it gets brighter. When
I turn my head lights on the light turns on
also. I also found something weird out. If I
turn my stereo up loud it gets brighter
when bass hits then dim when there's no
bass. If anyone knows what the problem is
or what I should do to trouble shoot it then
that would be awesome.

3 Answers


Check the v belt on alternator to make sure it's good and tight If checks out ok, have the charging system checked at ur local auto parts store


And load test the battery, it might be weak


sounds like that Alt. is on it's way out , Your battery's not going dead is it ? Charge the battery if you replace the Alt. remove neg. cable of course . There may be a wing bolt to set the tension on the belt , Tighten by hand and go around one more time with wrench .these teeny parts don't need a lot of torque .

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