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1994 Buick Lesabre charging system

Tiny
SHARIS
  • MEMBER
  • 1994 BUICK LESABRE
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
New battery, alternator run fine until I turned heat on. Check engine light come on and not even a minute later volts light and it was dead. New battery I drive maybe10 miles and check engine then volts then it dies. Could this be regulator? The computer? I've heard about these Buicks with these problems. It's to bad because Buick used to be a good car.
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Wednesday, January 28th, 2015 AT 7:17 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Is the new battery dead when this happens?
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Wednesday, January 28th, 2015 AT 8:51 AM
Tiny
SHARIS
  • MEMBER
  • 2 POSTS
Yes it dead. It has open short or computer.
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Wednesday, January 28th, 2015 AT 10:30 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Does it die overnight or only when driving / running? Have you checked for electrical draws to the battery? If it is dying that fast, there has to be an extreme electrical draw. Do the battery cables get hot?
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Thursday, January 29th, 2015 AT 5:36 AM

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