Question about 1997 Pontiac Bonneville

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1997 SE Bonnieville. Battery kept dieing, found loose wire at the alternator. Tightened it, after that the car would start but sometimes it would hesitate. This last time it wouldn't start and t

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  • Pontiac Master
  • 1,413 Answers

You need to know Battery Voltage is very important for PCM, Sensors and so on.
With a voltmeter on the battery terminal engine off, with a good full charged battery you should read 12.6v. If not the battery needs to be charge.
Clean battery"s terminals for a good connection and ground terminal body side.

Hope it helps.

Posted on Feb 22, 2019

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Posted on Jan 02, 2017

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66 chrgr
  • 1011 Answers

SOURCE: Battery and alternator are good but still dies

who ever tested your alternator was wrong replace the alternator

Posted on Mar 19, 2009

  • 121 Answers

SOURCE: Ok, I have a 1997 Pontiac Sunfire SE. Someone

disconnect the fuse of the alarm system, if that dont solve the problem best to seek out an car electrician

Posted on Jun 06, 2009

ourhowse
  • 2007 Answers

SOURCE: I have a 2003 Pontiac Grand Am and I amhaving

Probably your starter. Take it in and have it tested.

Posted on Jun 06, 2009

messstat
  • 365 Answers

SOURCE: 1995 Grand Am GT-3.1 Ltr. V-6: I am needing a

Most likely...seems like you have a handle on it. There may be wiring diagrams available, for example Chiltons manuals...To my knowledge there exists no "internal" wiring diagrams for alternators of any make.
Good Luck

Posted on Jun 28, 2009

  • 611 Answers

SOURCE: car hesitates when spepping on gas,than when it

fuel injectors are bad

Posted on Dec 22, 2009

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1998 Mitsubishi Montero Sport will not run correctly after replacing alternator


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I've put in hundreds of alternators sometime a new one doesn't work properly you heed to check the voltage output of the vehicle running to see if it's charging or simple remove the negative battery cable while the vehicle is runnig, if it keeps running the alternator is working if it's dies it's not but you need to know the voltage output most vehicles it's 13.5 min.

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