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Lilliput car adapter voltage

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  • Lilliput car adapter voltage

    I just bought a lilliput 7" touchscreen. I plugged it in using the included cigarette lighter adapter, and the screen would not turn on.

    After troubleshooting, I found that the voltage at the end of the cigarette lighter plug that connects to the screen is only 7V. This isn't normal, is it? I tried this in 2 cars, and measured the voltage coming out of the cigarette lighter itself (12V), so I'm assuming it has to do with this little in-line device that I believe normalizes the DC voltage to 12V.

    Can I just use a straight-through adapter like any other car device uses (i.e. radar detector plug)?