Trending insignia 120mm fan wiring diagram - This question seems to be off-subject matter. The customers who voted to shut gave this unique purpose:"questions about using digital devices are off-subject matter as this web site is supposed particularly for questions on electronics design." ?? leon heller, joe hass, placeholder if this question may be reworded to suit the regulations within the assist middle, please edit the query. If you're seeking to parent out which twine is floor at the fan itself, and also you don't have a connector, then simply join 12v to the center twine and attempt floor on both of the outside wires. Whilst the fan spins, you have discovered it. The alternative, if linked, is a tachometer. Connecting it to floor briefly may not reason any damage. I simply got this computer fan and it has a 3 pin connector, i know the cord with the white stripe is high quality but how am i able to find out which of the alternative wires are poor?. "the 120mm enermax branded fan (eb122512h) is controlled to rotate among 450 rpm and a couple of,000 rpm relying at the ambient temperatures. It is a nine blade layout and includes dual ball bearing and is rated for 0.30a at 12v.". I have attempted all of the possible configurations however it doesn't paintings : once i attempt black and red the fan movements a piece for a tiny instant but it stops right away.... I suppose it's miles broken as it begins to stink like a burnt circuit.