Help with 20/21 mod instalation

Hi

I have a 20/21 pin mod with "1" wire.

I do not know unde to bind this wire. And not meeting no diagram of installation. Thanks and forgives my poor english .

Wellington - Brazil
 
2021mod2.jpg


2021mod3.jpg
 
Sorry, I should have been more specific.

What I need to see is a good top view and one of the bottom as well if possible.

It could well be that all you need to do is hook the wire to 5v, but I'd want a better idea of where it goes on the mod before giving you a definite answer.
 
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