HAVE BRAND NEW ALTERNATOR CHECKED BATTERY AND ...

  • Tiny
  • maryshepard
  • 1997 Mercury Sable
  • 200,000 miles

Have brand new alternator checked battery and checked fuses but car not holding charge

Tuesday, January 8th, 2013 AT 11:43 PM

10 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

How was the battery checked? Why was the alternator replaced?

Roy

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Tuesday, January 8th, 2013 AT 11:45 PM
  • Tiny
  • maryshepard
  • Member

Checked at advance and changed alternator because battery light come on and my husband took terminal iff battery to test alternator and it was bad so we bought a new one know it wont hold charge

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Tuesday, January 8th, 2013 AT 11:56 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Taking the battery cable off while running does nothing but damage other components. Never a test for alternator as it needs 12 volts to work. Removing the cable shuts everything off

Roy

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Tuesday, January 8th, 2013 AT 11:58 PM
  • Tiny
  • maryshepard
  • Member

Oh ok that way he was told to check it. We took both the battery and the alternator back off car and advance tested them said they was good but when put back on car still wont hold car any ideals I thought maybe it starter relay

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Wednesday, January 9th, 2013 AT 12:03 AM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

What happens? Does it crank over? Does it start? Is there power?

Roy

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Wednesday, January 9th, 2013 AT 12:05 AM
  • Tiny
  • maryshepard
  • Member

Yea it will crank but has to be jumped can drive for about ten minutes then battery dies again

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Wednesday, January 9th, 2013 AT 12:08 AM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Check the voltage at the battery with the motor running. It sounds like you have a bad battery

Roy

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Wednesday, January 9th, 2013 AT 12:10 AM
  • Tiny
  • maryshepard
  • Member

Ok thank you very much

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Wednesday, January 9th, 2013 AT 12:12 AM
  • Tiny
  • ASEMaster6371
  • Expert
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Get back to us with the voltage

Roy

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Wednesday, January 9th, 2013 AT 12:13 AM
  • Tiny
  • maryshepard
  • Member

100 cold amps

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Thursday, January 10th, 2013 AT 1:27 AM

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