Prius 2007 shorted Circuit

Discussion in 'Gen 2 Prius Main Forum' started by Sun Chanras, Mar 30, 2019.

  1. Sun Chanras

    Sun Chanras Junior Member

    Joined:
    Jan 3, 2018
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    Location:
    Phnom Penh
    Vehicle:
    2007 Prius
    Model:
    II
    Hi All,
    My prius 2007 battery was dead this morning, the car could not start due to low battery level. I asked my neighbor to borrow his car for a jamp start, the car started normally. I drove to a national park near my city and I smelled burned wire and acid, I stopped the car and checked the auxiliary battery and it turned out to be very hot and the aux battery wiring to the front engine bay was very hot. I powered off the car and used my multimeter to measure the charging voltage(14.6 turned out to be normal) but when I measure the current it read 1.5A while the car powered off, no light on, everything turned off. I pulled out all relays in the engine bay and pull all the connection harness to both front seats, pulled out all wiring to steering wheel column, the current still steal read 1.5 to 1.6A. I think it was a short circuit, but I could not find the place where the short happened.

    Please help me, any idea or input is very helpful and appreciated.
     
  2. 09Prius2

    09Prius2 Member

    Joined:
    Aug 20, 2016
    201
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    Location:
    FL
    Vehicle:
    2009 Prius
    Model:
    Two
    Where are you living? Could someone have tampered with the car? Rodents eaten wiring possibly?

    Really hard to say but I would get it to a hybrid shop or battery repair facility pronto if they are reputable, even a dealer if you have no other options. Sounds like a fire waiting to happen.
     
  3. SFO

    SFO Senior Member

    Joined:
    Feb 7, 2017
    4,068
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    Location:
    Northern California
    Vehicle:
    2007 Prius
    Model:
    N/A
    If the vehicle was OFF, the 12v battery wouldn't measure 14.6v.

    How long have you been jump starting this vehicle ?
     
    Raytheeagle likes this.
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