the reason a car keep going dead after replacement of batteries and when you ttry to pick up speed

2001 CHEVROLET MALIBU
12,000 MILES
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DOROTHY
  • MEMBER
  • 2 POSTS
When I'm driving down the road and I go pass 50 miles/hour the battery light comes on and the car shuts off I put in park and start it backup. Also it is making a high whistling sound.
Sep 24, 2011 at 5:04 AM
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DOROTHY
  • MEMBER
  • 2 POSTS
Could this b the timing belt
Sep 24, 2011 at 5:06 AM
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PROMECHANIC
  • ✓Experienced Mechanic
  • 536 POSTS
It's highly unlikely. The most likely cause is a bad alternator. If the alternator goes bad it will stop maintaining the charge on the battery and the battery will eventually lose all of it's voltage. Then the electrical system can't run because the battery and alternator are not working.
I would have the alternator and battery tested.
Sep 24, 2011 at 8:32 PM
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