Originally Posted by Mr.Dutch
if the fan still have a 3 wire cable like the fat you can use the 12V you measure , the third wire controls the fan pwm, and should be no higher then 3v3.
EDIT: btw can't check your mods as i don't have a facebook account.
the fan connector from the fat :
Bloody hell, I fell off my chair when I saw your reply. I thought you were just a stalker, didn't know you knew anything