Tools and Items you will need:

Xbox 360 DvD drive Power Cable
an IDE Cord(found at tigerdirect, bestbuy)
Heat Shrink Tubing (Radio Shack)
A Lighter of any kinda just a heat source really
Soldering Iron

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Cut the power cable in half. Don't worry about keeping track of which wire goes to what, it's pretty straightforward. Strip a bit of plastic off the ends of the wiring and "tin" them with a bit of solder.

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Cut (2) lengths of ribbon cable with 5 strands each. About 5-inches long should be
good.
Solder each of the ribbon cables to the 5 wires on both sides of the plug, as shown
above.
Insulate the wires with electric tape or small bits of heat shrink tubing. Of course you'll
need to remember to slide the tubing on before you make the connection. Regardless,
heat shrink tubing gives it a nice clean look when done.

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Connect each of the plug ends to each other with the ribbon cable. In this photo the tabs
are placed as such to have their tabs both on the right, to ensure the connections are made
correctly.
Note that the plugs are the same shape and have the same pinouts. Thus, the 5 wires on
the "Left" side of the first plug connect to the 5 wires of the "Left" side of the second
plug. This is what causes the wires themselves to "flip" or criss-cross between the cables.

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