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Help with battery issue

Discussion in 'Gen 3 Prius Technical Discussion' started by Lisa S, Aug 26, 2020.

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  1. Lisa S

    Lisa S New Member

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    My DC battery died I've jumped it a couple times a driven to see if it was from sitting to long, driver 5 hrs wouldn't restart, needs new battery. Problem is jumping it at night my son in law hooked it up to his jeep (which was slow to start) we were using cheap cables. There was smoke from his car and the black end of cables burned and fell off we disconnected from prius and tried with heavy cables as soon as we connected to Prius, horn went off, we stopped. I don't believe he reversed polarity but after research on the site, I'm afraid it may be possible. I found 5 blown fuses. My question is can I try to jump it after replacing fuses to take to dealership for battery or if it fried inverter will I risk doing more damage? Love the site! Thanks for any advice.
     
    #1 Lisa S, Aug 26, 2020
  2. sam spade 2

    sam spade 2 Senior Member

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    The odds are extremely high that the polarity was reversed.
    The odds also are high that it will NOT run again with a proper jump.
    Towing to the shop is probably the only reasonable option.
    And yes, the repair bill is likely to be HIGH.
     
    #2 sam spade 2, Aug 26, 2020
  3. Lisa S

    Lisa S New Member

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    Was afraid that might be case, so don't try to jump, just tow. Thanks for response.
     
    #3 Lisa S, Aug 26, 2020
  4. bisco

    bisco cookie crumbler

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    if you can jump it, you can drive to the dealer

    if you fried the inverter, it won't start. but that is unusual. that's what the fuse is for
     
    #4 bisco, Aug 26, 2020
  5. davecook89t

    davecook89t Senior Member

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    It seems the most likely consequence of a reversed jump start is a blown fusible link, something that is even more difficult to deal with on the Gen 3 than it is on the Gen 2, but in case you want to see all that will be involved you can take a look at this thread.
     
    #5 davecook89t, Aug 26, 2020
  6. Lisa S

    Lisa S New Member

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    Thanks for the info, I called a shop locally I had spoken to owner about my Subaru when I moved here and he told me he also had a Prius. Luckily he does towing as well, he said he could replace battery and fix any other issues (except electric battery) thank you all for the help!
     
    #6 Lisa S, Aug 26, 2020
    Aaron Vitolins and davecook89t like this.
  7. bisco

    bisco cookie crumbler

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    great resource, all the best!(y)
     
    #7 bisco, Aug 27, 2020
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