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Anyone know which wire is negative for dome light?

Discussion in 'Gen 4 Prius Main Forum' started by Joseph mendoza, Nov 18, 2023.

  1. Joseph mendoza

    Joseph mendoza New Member

    Joined:
    Oct 22, 2023
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    Location:
    Arizona
    Vehicle:
    2016 Prius
    Model:
    Four
    I'm trying to splice into my negative for my dome light for a project. I have a black/white wire here on the large connector and a black wire on the small connector (no idea what the small connector does as I unplugged it and lights still work)

    Anyone know how to find out which wire the negative is?
     

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