SKEMA PHASE CHEKER


Just to let you know I own such a device you are speaking of, I also install car audio and have used it for years it works great, I did a Google search for it and I could not locate it. It's called speak-rite by Smart products. It works with a green led and a red led and has a mic at the top for detection. It has a red and black leads (probes) to test the wire and a rca hookup also.........I've owned this item before the internet was born.........well about 25 years ago...David
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SCHEMATIC phase checker

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