Car goes dead while driving, lights and all

1999 PONTIAC GRAND PRIX
72,000 MILES • 6 CYL • FWD • AUTOMATIC
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WADEMCCREARY
  • MEMBER
  • 2 POSTS
car shuts off while driving even lights is this the alternator or battery.First noticed it this summer with air running. Now it does it even when air is not on.
Dec 24, 2010 at 6:32 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
It could be either. What you need to do is fully charge the battery and take it to a parts store. There, they will load test the battery and check the alternator. If both check good, check the fuseable link between the alt and the battery to make sure the alt can charge the it.
Feb 14, 2011 at 11:27 AM
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