uxcell SNOWFAN Authorized 80mm x 80mm x 38mm 48V Brushless DC Cooling Fan 0335

okay I looked all over the internet trying to find a way to get these four wire fans to work after burning one of them up I did find something that gave me some idea of how to do it okay here I've got one that I bought earlier the heat sinks not in it right now but I bought it it had the four wires okay I managed to burn up the little board there's a little circuit board right in there and I burned it up because I hooked everything up wrong so I got another one and I tried to figure out how to make this work well I found out by using a 9-volt battery that the black is negative and the yellow is positive these two others are for controlling speed with a pulse width modulator or something like that and I'm not concerned about that I just wanted the silly thing to run so these are the two wires you need isolate these two others but when I went to hook the silly thing up for my little LEDs