Got Volvo 2013 with ISX.. 2 days ago start experience low voltage!!Need help!!!!!!

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Maxim, Dec 10, 2016.

  1. Maxim

    Maxim Bobtail Member

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    Feb 11, 2016
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    Hello everyone, need advice..got volvo 2013 with isx, last friday woke ip in the morning and low voltage sign on( truck was running), find out that one of the batteries got bad ( leaking), batteries was changes 2 months ago, so i got new battery , istalled, drove for 15 miles with light on,and barely make it back to ythe yard, with no light , just 4 wy flashers..checked the belt on alternator - its good ..Is it still alternator or it can be relay in the fuse box???? Need advice!!! Please help!!! Thank you everyone for responce..
     
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  3. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    Keep in mind I haven't seen it but only going off past experience. Since it had new batteries recently and one is leaking I'm thinking voltage regulator is boiling the batteries. That is the first sign that it's on its way out which causes the alternator not to charge. On my trucks the voltage regulator is built into the alternator so replacing the alternator takes care if the whole problem.

    Yours may not be made together but Hopefully tgey are
     
    baha Thanks this.
  4. sbaumann14

    sbaumann14 Road Train Member

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    agree. put a meter on the alternator and see what kind of voltage its pushing out
     
  5. snowwy

    snowwy Road Train Member

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    His truck is a 2013. I don't think they've made external regulators in decades now.
     
  6. Ridgeline

    Ridgeline Road Train Member

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    I'm betting that all the batteries are bad.

    I would have changes them all out, but it begs the question what was actually leaking, the batter case or the tops of the battery?

    Why do I ask a question like this?

    Because it is very unlikely that a battery will leak unless it is abused, if it out of the top, then it is being overcharged and that will ruin all of them, not just one.

    ALSO I would replace the alternator itself while you have the chance.
     
  7. rcelmo

    rcelmo Medium Load Member

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    I agree with all the above posts. I have had bad luck with the
    local parts store 'rebuilt' alternators. I would spend the extra
    money for the new one.

    O-Reilly used to have a " rebuilt" program for starters and
    alternators. Came with a warranty........those things would
    last about 6 months and than let you set out on the road
    somewhere........they would replace it for free but you were
    out the labor and down time.
     
    Toomanybikes Thanks this.
  8. poppapump1332

    poppapump1332 Road Train Member

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    First off if one battery is dead chances are the other ones are on the way out but my guess is you need a new alternator without looking at it.You need to hook it up and see what volts it's putting out.
     
  9. Driver91

    Driver91 Medium Load Member

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    I had a 2014 that done the same thing. Had all the batteries changed alternator everything. Turned out of be a ground cable from batteries to the frame
     
  10. d281833

    d281833 Heavy Load Member

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    I replace all batteries, never just one. Delco-Remy alternators have regulator built in, I know that Leece-Neville used to have their regulators separate but that could be different now.
     
  11. wore out

    wore out Numbered Classic

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    Some of the newer equipment I have worked on actually has the regulator in the ECM. Dummest idea ever IMO but they didn't ask me so lol. Honestly I could see Volvo doing something like that, since I don't work on them at all and not up to speed on them etc etc
     
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