Horrible Static on both headphones and van speakers when playing

Most likely a bad unit. Take it to a GM dealer for a more precise diagnosis.

That's pretty normal with built in connectors. For a workaround grab a cheap USB sound card from eBay or somewhere else. It worked for me.
High Quality External USB 2 0 3D Virtual 7 1 Channel Audio Sound Card...

That means that if too much power is going to the speaker or extraneous signals are being picked up by the wiring, it can come through the speakers as static. Stopping static requires finding and eliminating that extra electricity from transmitting through your speakers.
If you're still hearing distortion, turn down the volume on your amplifier until the distortion goes away. If the volume is too low to be easily heard, the problem may be that your amplifier produces too much power for your speakers to handle or that your amp and speakers have different impedance ratings.

I think you will need to disable the Van speaker connection to the DVD system. Can you tell me what is the model of your DVD system. You can test your wired headphones on other devices to see if it works. Then you can check the menu options and see if there is settings about which speakers to use.

Hi.

First test if the problem occurs using different output devices. Also ensure there is no earthing problem with the wall socket. In that case you will get the problem even when playing from speakers.

If the problem depends on the speakers, then it is a bad connection. The headphones are not supposed to be disassembled and must be replaced.

Call Bose to sort out the problem.

Bose Worldwide - Contacts

It is, most probably, behaving like that because some application is taking too much processing power, hence, consuming battery, which, by its turn, heats up. Besides, active data connections are known to drain the battery very fast. Anyway, Google for Dotfred's TaskMgr.exe, copy it to your device and run it You'll see which application is taking more power than others.
Just my 2 cents... Carlos

If headphones work then so does the amplifier. When did this problem start? From what I can find it almost sounds like it thinks you have headphones plugged in, which would disable the speakers.

I have a unit with a broken screen that I am trying to find a replacement for. (one with a good screen) Please email me and let me know if you are willing to sell yours. Thanks

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You can set the sound to play through the car's speakers. If you don't want it too loud in front, you can use the audio setting for the fader to just play in the rear.

I have the same problem! The only way to fix this is to replace the motor that spins the DVD. if you take it apart and spin the DVD the movie will play. The motor is just wore out and has no torque to start the play process. I am still looking for a replacement motor for it and haven't found anyone that carries the motor required. Only Audiovox so far and they want 180 to send in and fix.