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Old 05-13-2013, 08:57 AM
 
1 posts, read 7,581 times
Reputation: 11

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My battery light and break light stays on, on a 1999 Nissan Altima. I know this is the indication that there is a charging issue. The first thing I did was to run by Autozone and have the charging system checked, because I just replaced the alternator last November for the same issue. The alternator is cranking 14 volts at idle. I did smell a slight electrical smell, but have not been able to find anything that could be causing it. Everything on the vehicle is operating normally, lights, radio, wipers, heater/AC, and windows. Battery tested ok, as did the alternator, but there has got to be something causing this. I drove the car last night and the light was not on. I get I in it this morning to take my daughter to school, and bam the lights are on. I have been reading some of the posts in this forum for the same problem, but I am not able to come up with any solution. Could the alternator be causing the lights to stay on and still charge the battery? Somebody give me a clue, because I can't buy one....
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Old 05-13-2013, 08:04 PM
 
4,762 posts, read 11,058,502 times
Reputation: 7847
It could be the alternator is going out. Sometimes working and sometimes not working. Check the battery with a multimeter. Google and youtube have plenty of posts on how to check alternators.

As for the brake light, that could be the ABS detecting a too low voltage to operate properly and it is "complaining". That would be if the brake light covers all brake issues and there is not a separate ABS light.
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Old 05-14-2013, 03:53 AM
 
779 posts, read 2,256,334 times
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http://www.city-data.com/forum/autom...ery-light.html
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Old 05-14-2013, 05:17 AM
 
Location: Baltimore
1,024 posts, read 2,004,427 times
Reputation: 1168
That's usually the warning sign for the alternator.
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Go Back   City-Data Forum > General Forums > Automotive > Brand-specific forums > Nissan and Infiniti
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