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Anonymous
Anonymous Posted on Apr 09, 2011
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My alternator keeps car running but my battery is drained dead but when starts with full battery it starts fine

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  • Posted on Apr 09, 2011
Anonymous
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I would have the voltage output of the altinator checked, It puts out enough to run the car, which unless your running heaters and lights is sufficiant to run the car but not enough to run the car and charge the battery. Does that make sense?

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  • 3 more comments 
  • Anonymous Apr 09, 2011

    even when everything off it kills the battery but it keeps running even when i disconnect the battery it stays running, but i was i heard there could be a short in the starter but i will have it tested today b.

  • Anonymous Apr 09, 2011

    I had a battery one time that was the issue and it did the excact same thing. I could charge it and the vehichle would start and run but if I shut it off later the batter would be dead and the battery was only 3 month old, once I changed the battery the problem went away, so good luck to you an this.

  • Anonymous Apr 09, 2011

    battery is a week old now,i just found out that the alarm system if it has a short can couse the issue and there are cut wires undernieth the dash so thanks anymore input is helpfull.

  • Anonymous Apr 09, 2011

    Well that makes some sense but usually a short in anything will blow a fuse so thats why I was tryinf to stay away from shorts, but it could be possible. The only other thing I can think of is to start disconnecting items till you find the cause. Once again good luck to you.

  • Joseph Hoffmann Oct 11, 2011

    Hi, Check the alternator it should be producing 13 to 15 dcv. Use a volt meter for this.
    Also don't have too many things running like fan ,AC ,radio or ,cigarette lighter.,Lights etc...

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My battery keeps dieing on my 1994 accord, what could the problem be?
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Took car for a drive and had it up to 95 mi per hour and the car died. Battery was completely dead. Jumped it and it ran for about a block and died again. Replaced the batter and check alternator and both...
If the battery was completely dead, then you either have an immense power drain (unlikely) or your battery or alternator are faulty.
When you say you replaced the battery. Was that with a brand new one?
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Mar 15, 2009 • 2001 GMC Sierra 2500HD
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Is it my battery?
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