fan wiring

[don ward]

i just got a new case fan and it has 3 wires, white, red, black. My power
supply leads to other case fan has just 2 wires..
What 2 wires do i use ??
thanks

don

 

[Spiritz]

i just got a new case fan and it has 3 wires, white, red, black. My power
supply leads to other case fan has just 2 wires.. What 2 wires do i use ??
thanks

don

you should connect the red and black; the third one, probably yellow is
only there to monitor fan speed.