I have 2008 Dodge Avenger my battery light came on but the power did not go off on 2008 Dodge Avenger

they said I needed to replace the Alternator so I did no light came on for about a week now its back on again they say my battery is fine even they I have had it a few years what else could be the problem Please someone help me I dont want to be stranded any where....

by in Conway, SC on October 23, 2012
3 answers 5 comments
ANSWER by on October 23, 2012
check the volts at the alternator should be between 13.8 to 14.2v
COMMENT by on October 23, 2012
Thank you where can I get that done I am a woman so I know nothing about a car....
COMMENT by on October 23, 2012
AUTO ZONE ADVANCE AUTO SHOULD BE ABLE TO CHECK ALT. OUTPUT FOR FREE.
COMMENT by on October 24, 2012
Thank you
ANSWER by on October 23, 2012
poss defective alt it happens ck charging system
COMMENT by on October 24, 2012
Thank you i will check that out
ANSWER by on October 23, 2012
Problem could also be wiring or PCM (powertrain control module) alternator is controled by cars computer (PCM). have alternator 'bench tested' and if functioning properly other parts of the system should be TESTED before putting more parts on. Good luck.
COMMENT by on October 24, 2012
Ok I will try that