Which wires are + and - on my 4-PIN Fan

[Ryan_6]

Hello, I'm working on a project for my Xbox One where I want to merge this Corsair fan (Wires 1 and 2) with Wire 3 and I don't know which wire is the positive and negative would anybody be able to advise me which wires i should connect? Wires 1 and 2 are lined up the correct way around before i cut and stripped them. Wire 3 is the connector i want to connect Wire 2 to.

Any help is greatly appreciated!

 

[JackNaylorPE]

https://allpinouts.org/index.php/Motherboard_(CPU)_4_Pin_Fan

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index.php/Motherboard_(CPU)_4_Pin_Fan

Pin Name Color
1 GND black
2 +12VDC yellow
3 Sense green
4 Control blue

Also

http://pinoutsguide.com/Motherboard/mb_pwm_fan_pinout.shtml