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Routing Case Fans Directly to PSU Not Working

Last response: in Components
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April 13, 2012 12:43:48 AM

I recently built my first PC, and for the most part had no idea what I was doing. During the building process I notices that my motherboard only had 3 case fan headers while I had 5 case fans. So for a while I simply let 2 fans do nothing, until I decided to go in and do some cable management. I plugged the two fans into a molex header, then into my PSU (the two fans' cables consolidate into one wire with a molex connector at the end and another wire coming out of it that is a standard 3 pin fan header). To my dismay, this setup isn't working :(  . It's possible that there is something very simple I've overlooked, but if you can, please help.
April 18, 2012 2:24:50 PM

It looks like you have a problem with the wiring to that molex connector. Try the fans on the mobo headers to confirm this.
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April 18, 2012 2:27:55 PM

Another thought: try the fans on a different molex wire.
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April 19, 2012 1:57:47 AM

I've seen these cheap molex's actually have the pins push out the back side.
Check to see if thats whats happened.
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