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Brake pedal went to floor when I put key fob in. (key fob is dead; been dead for years) Problem???

Discussion in 'Gen 2 Prius Main Forum' started by cheeper, Apr 14, 2018.

  1. cheeper

    cheeper Member

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    #1 cheeper, Apr 14, 2018
  2. bisco

    bisco cookie crumbler

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    12v?
     
    #2 bisco, Apr 14, 2018
  3. cheeper

    cheeper Member

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    And, how would I do that?
     
    #3 cheeper, Apr 14, 2018
    SFO likes this.
  4. bisco

    bisco cookie crumbler

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    get a digital multimeter, open the hood tonight and find the jump point in the fuse box. close the hood, but don't latch it. in the morning, measure the voltage between the jump point and ground before opening any doors.
     
    #4 bisco, Apr 14, 2018
  5. cheeper

    cheeper Member

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    Looked on line for a digital multimeter, there are Many. Have no idea how to find "jump point in the fuse box." I'm about 40 minutes from the dealer. I have changed the small battery twice over the years. Perhaps I can check charge of all batteries and change?
     
    #5 cheeper, Apr 14, 2018
  6. bisco

    bisco cookie crumbler

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    check them, and change only if bad. there's a way to test the 12v on your display, if you can find the thread with instructions. try google.

    cheapest meter is fine.
     
    #6 bisco, Apr 14, 2018
  7. cheeper

    cheeper Member

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    I have a slow charge battery charger which I've used on the other 2 batteries. They recharged rather fast so I wonder??? Perhaps I can recharge (am now).
    Can I check the battery that is in the car with the recharger without disconnecting? Can I recharge that one without disconnecting?
    Really Appreciate your response and patience.
     
    #7 cheeper, Apr 14, 2018
  8. bisco

    bisco cookie crumbler

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    you can recharge without disconnecting, but you cannot check the battery voltage with the charger connected.
     
    #8 bisco, Apr 14, 2018
  9. cheeper

    cheeper Member

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    Have already recharge older disconnected battery.

    The only way I can check battery voltage is with the connected (to electric) battery charger.
     
    #9 cheeper, Apr 14, 2018
  10. cheeper

    cheeper Member

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    I have the charger connected to car battery/ plugged in. Charger indicates it is charging. Is this connected ok on top of what is there or do I need to disconnect what is there connected to battery?

    We are getting rain/freezing rain tonight into tomorrow so Have to disconnect over night.
     
    #10 cheeper, Apr 14, 2018
  11. bisco

    bisco cookie crumbler

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    no prolemo.
     
    #11 bisco, Apr 14, 2018
  12. bisco

    bisco cookie crumbler

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    you can pick up a meter at sears and etc.
     
    #12 bisco, Apr 14, 2018
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