I think I am going to get this on amazon and try it out... there are a few of them so I will report back.

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https://www.amazon.com/Cigarette-Splitter-Qidoe-Deepened-Voltmeter/dp/B09638CTJK/ref=sr_1_13?crid=MBH3XDRP2CX0&keywords=16v+dc+car+socket&qid=1650924097&sprefix=16vdc+car+socket%2Caps%2C156&sr=8-13