dim battery/brake light warning light

Asked by Feb 24, 2017 at 05:49 PM about the 2005 Kia Spectra LX

Question type: Maintenance & Repair

2005 kia spectra,  driving it the warning light comes on very dim for
battery/brake then shortly goes out then back on, checked the voltage with
obd2 and it is saying bad alt. but when i check it with voltage it is charging 15
volts.  is it possible it is charging too much volts?

1 Answer

75,585

Yes, an alternator should put out no more than 14.7 DCV. I would take the alternator off and and have it checked. You know already it is putting out 15 V in the charging system.

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