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Did not see it but someone must have had this problem. My 12v (cig) connector is BROKEN. The center terminal came out and is LOST. I want to replace it with another connector (or do I?). . but unsure of the wiring from the output of the cig connector to the USB cable until I cut it. I want to be sure I get the 5volts to the correct USB line and dont get it to the other signal lines in the USB line.

  • I hate the cigarette lighter as a power adapter, it just needs to die. – Gary Bak Nov 14 '18 at 18:18
  • @GaryBak it is a simple device, common and convenient. There are other plug&socket systems that are relevant, but getting agreement by every manufacturer and all the device manufacturers may be challenging. – Solar Mike Nov 15 '18 at 12:41
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The centre tip of the cigar lighter is positive, so would be connected to the red wire.

But, and it is a big but, cheap cables may not have red / black as pos & neg...

So, be sure and check with a multimeter what goes where.

From what I have seen the outer cables are power, inner pair data...

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I believe you are referring to the power outlet of your car. If so then you can get to buy the power outlet socket. It is easy to fix with just one connector.

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