Things You'll Need
Instructions
Plug the XCM Cross Fire Converter into your Xbox 360 via a USB port on the front of the console.
Connect your Xbox 360 controller to the XCM Cross Fire Converter by plugging it into the front of the converter box. Wait for the light on the converter to stop flashing, then unplug it.
Turn on your PS3 guitar controller, then plug it into the XCM Cross Fire Converter. The guitar controller will be connected to your Xbox 360 when the first-player light turns on.