Factory Rear DVD Player Not Working - 2005 Tahoe

[04envy]

Hey guys, I'm a new Tahoe owner and this is my first post. I've been going through and fixing broken stuff from the previous owner and now I'm trying to figure out why my factory Panasonic DVD player doesn't work. Relevant info:

1) When I insert a disc, the screen stays black. The power button blinks. I don't have any audio or video. I do have the original headsets and remote.
2) Tahoe has an aftermarket CD player. I'm not sure if this ties into the functionality of the DVD player or not.

I searched but couldn't find anything. Not sure where to start - all help is appreciated!

 

[04envy]

Bumping for night crew...

 

[04envy]

Need some help guys, another bump

 

[kwOH]

Could be the screen, that is what was wrong with mine but i had audio, id check to see if you have the right wiring harness for that head unit to work with your stock dvd system. Only thing i can think of unless the actual dvd unit is no good, you can get replacement screens and dvd units on eBay.


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[MCAT069]

Will it switch to aux input? When mine died, I pulled a complete set, screen, DVD drive and mount, from local wreaking yard for 40 bucks.