2 Updated answer
source | link

This image, from here, shows which pins are what:

enter image description here

Note the flat key next to the 12 V and GND pins. In addition:

  • the GND wire has a black broken line printed along it;
  • the data line is in the middle.

If you trust the image then you should be able to wire them up correctly.

This image, from here, shows which pins are what:

enter image description here

Note the flat key next to the 12 V and GND pins. If you trust the image then you should be able to wire them up correctly.

This image, from here, shows which pins are what:

enter image description here

Note the flat key next to the 12 V and GND pins. In addition:

  • the GND wire has a black broken line printed along it;
  • the data line is in the middle.

If you trust the image then you should be able to wire them up correctly.

1
source | link

This image, from here, shows which pins are what:

enter image description here

Note the flat key next to the 12 V and GND pins. If you trust the image then you should be able to wire them up correctly.