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Weird Battery Problem (kinda long)

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shewheeler, Jan 15, 2002.

  1. shewheeler

    shewheeler 1/2 ton status

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    Decided to take the truck out over the weekend as I haven't driven it for about 2 months. I was able to start it, loaded up and headed out to a friend's house to pick up her junk before we headed to the dump. Loaded her crap and when I went to start it, the truck wouldn't start... nothing, no click, no radio, lights, no nothing. No juice showing on the voltage guage either. Called a friend and told him what was going on... he said to try to jump it, so I attached the jumper cables (and yes, they were on there right -- I double checked) and was on my way back around to get in the truck and my friend started yelling "THEY'RE SMOKING!!!" Booked it around to the front of the truck... the battery and the jumper cables were smoking!!! I burned the crap outta my hand when I yanked them off of there, too. My friend ended up coming out to take a look. He poked around a bit and then hooked his jumper cables to my truck and then the negative to his truck. When he went to attach the positive side, it was arcing (sp?) and he said that something was "drawing" on my truck. Then he disconnected my battery and hooked the jumper cables just to the positive and negative cables. I tried again and it turned over. He concluded that the battery had "shorted out". Went to town, bought a new battery, threw it in and drove home.

    I guess the question would be... what could cause my battery to turn on me like that? Just a bad battery? Not starting it for 2 months? What could have shorted it out? Is that even possible? What gives -- I've never heard of that before? It's fixed for now, but I want to be aware of a possible cause in order to prevent this from happening again (very scary). Sorry for the novel, but I wanted to relay as much info as possible...

    EDIT: The battery was a 3 year old, "no maintenance" battery.


    <font color=green>Cheryle</font color=green><P ID="edit"><FONT class="small">Edited by shewheeler on 01/15/02 12:24 PM.</FONT></P>
     
  2. CaptCrunch

    CaptCrunch 1/2 ton status

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    Hard to be 100% sure what you mean, but it sounds like the battery was possibly shorted internally. Most times one of the plates inside the battery chip or flack off and all is fine till it starts hitting other plates and starts shorting. It could be a few other things, but that would probably be my first guess.

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <a target="_blank" href=http://coloradok5.com/gallery/captcrunch>http://coloradok5.com/gallery/captcrunch</a>
     
  3. txbartman

    txbartman 1/2 ton status

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    Mikey's explanation would make sense for your situation. One of the plates could have been damaged or loose on the inside. But, all was fine for you to start it after it had been sitting. The driving may have jarred it enough to knock the plate loose and into another plate. At that point, your engine was running purely off the alt. Sure seems like it drained fast, though.

    Brian
    Check out <a target="_blank" href=http://tx85gmcguy.alloffroad.com>My Jimmy</a> with all her projects!
     
  4. shewheeler

    shewheeler 1/2 ton status

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    Thanks all for the input... I'll guess I'll chalk it up as a flook and not worry about it anymore.

    <font color=green>Cheryle</font color=green>
     
  5. CaptCrunch

    CaptCrunch 1/2 ton status

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    Well when you short out like that it takes down the cell... it could then go and do it to another. Allsudden your 12V battery is more like 8 or whatever.

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <a target="_blank" href=http://coloradok5.com/gallery/captcrunch>http://coloradok5.com/gallery/captcrunch</a>
     
  6. CaptCrunch

    CaptCrunch 1/2 ton status

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    Most likely a jumper or battery problem so you most likely should be able to replace the battery and be set. I would check for a draw when you replace the battery and just take a quick glance for any obvious problems that could have the cables grounding out or hitting on another.

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <a target="_blank" href=http://coloradok5.com/gallery/captcrunch>http://coloradok5.com/gallery/captcrunch</a>
     
  7. shewheeler

    shewheeler 1/2 ton status

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    When I put the new battery in, there didn't seem to be any problems... it sparked very slightly when I connected the positive side, but that was it... I figured if it was the battery, I would have been having problems sooner, but I'm no expert for sure. Maybe my truck was mad at me for not driving it for 2 months? [​IMG]

    Thanks again!

    <font color=green>Cheryle</font color=green>
     

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