Does anyone have a pin assignment for the connector between the cage and the player?

I've probed it with a multimeter and got power on pin 1, dimmer on pin 10, ground on pin 13, and ignition on pin 14. That should be all it needs to power up, assuming these are the correct locations.

BTW, I can hear the hard drive spinning when I plug it in. The blue LED is on. But nothing on the display, no logo, no response to any buttons. Everything still works fine plugged into AC.