i replaced the alernator but still wont keep charge

2000 MERCURY MOUNTAINEER
179,000 MILES
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KISSEY2311
  • MEMBER
  • 1 POST
the abs,brake,air, bag lights all come on before vthe car goes dead
Nov 8, 2011 at 1:36 AM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Okay, if the alt is new (and good), and the battery is good, make sure the battery terminals are clean and tight. If they are, you need to check the fuseable link between the alt and the battery. If it is bad, the alt can be good and it still won't charge the battery.

Let me know what you find.
Nov 8, 2011 at 1:53 AM