Mikhailtech take a look at A.C.Ryan's Connectx power supply mod kit.

The first of the included tools is the 4-pin plug remover. This is pretty much the best thing ever. One end is for male connectors, one for female. To remove the wires from a connector, simply slide the Toolx into the hole and pull the cable out the other side. This way you can disconnect all the wires from a plug in a matter of seconds. Note that you should always keep track of which wire goes where (best way to do this is remove them one at a time and immediately put them back into the new connector), since even the two ground wires aren't the same.

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