how do I fix an XBox 360 controller cable?
My cat chewed the cord on my XBox 360 controller and now the RED LED is on on the Xbox power supply and the unit will not power up. How can I replace the cord to my controller?

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:)
Here is how I fixed my controllers:
1. Strip the wires
2. Match up each wire color from the cord
3. Twist them together
4. Seal it up with some tape
(Ideally, you would want to solder the wires together)
You may want to examine your power cord too, just to make sure that hasn't been chewed on.