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Starts sometimes...then dosen't want to!! HELP

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by surg82k5, Sep 28, 2001.

  1. surg82k5

    surg82k5 1/2 ton status

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    Starts sometimes...then dosen\'t want to!! HELP

    Ok I posted this a couple of days ago in the diesel section but I guess no one has a clue about it so maybe some of you guys can help me out. Ok here is the deal I have an '82 chevy blazer, with a 6.2L in it. I just got done changing the starter about a week ago because it was acting as if it(the starter) had a short. It would start just fine sometimes and then just out of the blue it would barely turn over the engine at all. i know that my alt and batteries are working just fine. i have cleaned the connections, and all is good. so after having this new starter in for about a week today it did the same thing. started just fine, and the next attempt to start it sounded like dead batteries. i would crank it for about 5-10 sec. then sit there and cuss a little, then on the next try it fired right up and everything was back to normal, what is up with this problem. What is it, and what do I need to start checking first. anyone had this problem before? Thanks for the help.
    Sergio

    ok here is a new addition to the story. Last night I tried to start my blazer and it was just turning over really slowly. So i gave it a little while then tried it again, well it got slower instead of better, so i get out to check under the hood, and i see smoke comming from under there. HMM well I nearly melted me negative ground on my passanger side battery. that was the worst hit, but it melted even the plastic on the battery itself. SO i cleaned alll the contact points, batteries and starter, then witha few more tries it fired right up. any more suggestions, I am going to replace the wires but if this story help some people narrow it down, please help me out. Thanks
    Sergio



    Check out my new website. &lt;a target="_blank" href=http://www.surg82k5.rockcrawler.com&gt;http://www.surg82k5.rockcrawler.com&lt;/a&gt;<P ID="edit"><FONT class="small">Edited by surg82k5 on 09/29/01 08:48 AM.</FONT></P>
     
  2. Blazer_Boy

    Blazer_Boy 1/2 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    Were you a good boy and bought a Delco Starter or an aftermarket one? Most of those "budget" chain store starters are nothing but pure junk.

    <a target="_blank" href=http://www.geocities.com/bigkern76>http://www.geocities.com/bigkern76</a>
     
  3. newyorkin

    newyorkin 1 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    I agree with blazer boy, most aftermarkets are less reliable. But I think I read here that Napa lifetime garauntee ones were real good. I might be wrong...
    Make sure there's nothing insulating (heat) the starter, or there's no exhaust leak blasting right on it (yuck with diesel) to over heat it.

    BTW, is it always consistent? Starts then 5 minutes later won't start?

    Ratch
    <a target="_blank" href=http://k5.8m.com>k5.8m.com</a>
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  4. Pugsley

    Pugsley 1/2 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    Run an ohmmeter across your battery cables - they should have basically zero resistance. Diesels will actually vibrate the cables to the point that the individual strands start breaking, and will do some really funky things electrically.

    Special thanks to those lost from IAFF Locals 94 and 854 - You shall never be forgotten
    <a target="_blank" href=http://pugsley.alloffroad.com>pugsley.alloffroad.com</a>
     
  5. surg82k5

    surg82k5 1/2 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    BTT

    Check out my new website. <a target="_blank" href=http://www.surg82k5.rockcrawler.com>http://www.surg82k5.rockcrawler.com</a>
     
  6. Smitty

    Smitty 1/2 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    If you had a battery post melt it indicates excessive resistance at that point. This could be caused by a loose terminal connection, excessive corrosion, or maybe a bad connection between the cable terminal and the wire.

    Smitty
     
  7. surg82k5

    surg82k5 1/2 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    Thanks for the replies, I went ahead and ordered the batt. cables from GM and boy do they cost a pretty penny. $108.99 I had to ask the guy and how much did each wire cost. well it adds up but my wires are 19yrs old so i guess they served their time. I hope this will fix everything. Do you guys think it will?
    Sergio

    Check out my new website. <a target="_blank" href=http://www.surg82k5.rockcrawler.com>http://www.surg82k5.rockcrawler.com</a>
     
  8. Pugsley

    Pugsley 1/2 ton status

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    Re: Starts sometimes...then dosen\'t want to!! HELP

    I think that ought to do it!!

    Of the 5 toughest dogs in the neighborhood, my cat's ranked #3
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