Battery Light coming on
#1
Battery Light coming on
I have a 2006 V6 mustang. 130k miles on it. This is my first post on here, and if this is in the wrong forum or something I am sorry. My battery light came on a few weeks ago, but it would just come on for like 15 seconds then go off. I went over to Autozone and they tested it and said alternator and starter were fine, but battery needed a charge. So I charged my battery, and the next day it came on again. Well eventually battery completely went dead. Luckily it was under warranty and I got another battery. I got it yesterday and battery light came on again for 15 seconds. It makes me think my alternator is going bad, but I am not sure since it tested good at the store. Thanks for anybody that can help.
#2
Yes, when the battery light comes on, it's telling you that the voltage is low, usually from a failing alternator. Test it yourself with a simple volt meter. Should be approximately 13.0 to 14.0 at idle.
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4.6L (1996-2004 Modular) Mustang
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08-20-2015 09:42 AM