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Black connector on 12v battery

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Bwrx, Feb 22, 2014.

  1. Bwrx

    Bwrx New Member

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    I was looking at my 12v battery today and noticed a plastic black connector&cable attached to a bolt on top of the metal bar that runs across the top of the 12v battery holding it down. Anyone know what this is? It's not the negative.

    Thanks in adv
     
  2. mediahound

    mediahound Active Member

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    Sounds like the battery vent.
     
  3. Bwrx

    Bwrx New Member

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    It's got an electric wire coming out of it and running into the back of the car along with another wire near the brake light
     
  4. David Beale

    David Beale Senior Member

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    Temperature sensor.
     
  5. Bwrx

    Bwrx New Member

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