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Dimmer on bright even when sw is disconnected

Discussion in 'Gen 2 Prius Main Forum' started by Richard Leffler, Aug 29, 2019.

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  1. Richard Leffler

    Richard Leffler New Member

    Joined:
    Aug 28, 2019
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    Location:
    Ganville Ohio
    Vehicle:
    2007 Prius
    Model:
    Three Touring
    My 2007 dash lights are on bright all the time. I just replaced the 4 button, no camera, no navigation, MFD and it seems like it happened at the same time...not sure. I even replaced the dimmer switch with another ... no difference. I pulled the MFD out to check the wiring.. everything is tight and the MFD works as expected. I even unplugged the dimmer switch and it was still bright. any ideas?
    Thanks in advance....
     
    #1 Richard Leffler, Aug 29, 2019
  2. PriusCamper

    PriusCamper Senior Member

    Joined:
    Mar 3, 2012
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    Location:
    Pacific Northwest, USA
    Vehicle:
    2007 Prius
    Model:
    Two
    It seems like somehow your dimmer switch is no longer part of that circuit.... Perhaps chat with the people who repair MFD's on here and see what they say?
     
    #2 PriusCamper, Aug 30, 2019
  3. Skibob

    Skibob Senior Member

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    Location:
    Northern California
    Vehicle:
    2006 Prius
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    Did you get an MFD with the same part number? I believe they were upgraded starting in 2006. If you have one from an older model that might cause problems.
     
    #3 Skibob, Aug 30, 2019
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  4. Richard Leffler

    Richard Leffler New Member

    Joined:
    Aug 28, 2019
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    Location:
    Ganville Ohio
    Vehicle:
    2007 Prius
    Model:
    Three Touring
    Yes, I got the same part number (ends in 81) thanks for the thought
     
    #4 Richard Leffler, Sep 1, 2019
    Skibob likes this.
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