1991 Buick Park Avenue battery gauge/transmission

Tiny
TREYMOTTY
  • MEMBER
  • 1991 BUICK PARK AVENUE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 73,000 MILES
I have a 91 park avenue (about 73k miles), the battery gauge goes in the red zone all the way to the right, and when that happens it seems like the car stays in the same gear and won't shift up or down when I brake or accelerate. Any advice on what to do?
Saturday, May 9th, 2009 AT 8:39 AM

7 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Start by getting the vehicle to your local auto parts store such as CSK/O'Reilly or Autozone, and have them check you electrical system: battery, starter and alternator. I suspect that your alternator is over-charging, and most system won't work properly with too much voltage.
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Sunday, May 10th, 2009 AT 5:22 PM
Tiny
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Thanks but now its changed. Now the battery gauge is on the negative side nearly in the red zone with the red light staying on all the time. So does this mean I may need to get a new battery?
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Sunday, May 10th, 2009 AT 6:03 PM
Tiny
ZACKMAN
  • MECHANIC
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Not battery. You still have problem with the alternator circuit. If the alternator is new, make sure that the belt is tight, the connector and cable are tightly attached, battery terminals are tight, and the fuses are good.


https://www.2carpros.com/forum/automotive_pictures/55316_91parkavealt_1.jpg



I would go back to the place that you got the alternator, and have them check the entire electrical system again.
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Sunday, May 10th, 2009 AT 8:50 PM
Tiny
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Ok thanks for the help, il go first thing in the morning. Looks like I already need a jump, it already has drained the battery.
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Sunday, May 10th, 2009 AT 11:22 PM
Tiny
ZACKMAN
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Let us know what you find out.
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Monday, May 11th, 2009 AT 9:56 PM
Tiny
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Ok I finally got it fixed. It was just the altenator. Thanks for the help
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Wednesday, May 20th, 2009 AT 9:44 PM
Tiny
ZACKMAN
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Not a problem.
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Friday, May 22nd, 2009 AT 1:24 AM

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