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12v Source in Headliner/roof area?

Discussion in 'Prius c Accessories and Modifications' started by scrull, Jan 3, 2015.

  1. scrull

    scrull Junior Member

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    2012 Prius c
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    One
    Hey guys, i'm setting up a Valentine V1 near the top of my windshield and it requires a 12v source for power. Currently, I've routed a wire up along the driver-side weatherstripping and headliner. This works fairly well but I was wondering if there was a 12v source in the headliner area I could T-tap for a more streamlined setup. I was thinking the dome lights, but those are all controlled by switches and door relays. Does anyone know of a power source that is constant 12v or switched on by battery in that area?
     
    #1 scrull, Jan 3, 2015
  2. djdawn

    djdawn Active Member

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    Try testing the 12v line going into the dome lights. I'm under the impression that the door switches work as a ground interrupt, not actually acting on the 12v line
     
    #2 djdawn, Jan 15, 2015
    orenji likes this.
  3. scrull

    scrull Junior Member

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    That's a good point.
     
    #3 scrull, Jan 27, 2015
  4. GregP507

    GregP507 Senior Member

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    If you've changed-out the incandescent bulbs for LEDs, you're probably using less current, therefore a bit of surplus capacity should be available.
     
    #4 GregP507, Jan 27, 2015
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