I have a 2006 buick terazza. The speaker will not play when the dvd is in the player except through the headphones. When i press the RCA power button on the dvd player the screen on the dvd player says "no radio". The headphones are powered off, and when i press the CD/AUX button nothing happens. I have also pressed it twice to disengage the headphones. how do i fix this problem?

Internal radio problem. You have to remember that most of these are made in China... It could be a bad part in it or a bad solder joint. Depending on the cost of radios. I take them apart and look for bad solder joints. Anything esle is junk...

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

Start looking at the wires to the speakers, follow each one at a time and look for worn or broken speaker wires. You can also check the fuse for the system. Hope that Helps

Check your van maybe it has factory amplifier shortage

Just found this and it worked! Hope it does for you as well:
There should be a button on the DVD remote control with a headphone symbol on it. Make sure the headphones are turned on(red indicator on earpiece) and push the headphone button on remote. The headphones will only work in the back seats of the vehicle. Once you have audio to the headphones, you should be able to hit the AM/FM button on the radio and listen to the radio while back passengers use the headphones for video.

plug dvd rca out into the stereo rca inputs. radioshack sells a headphone jack that splits to rca for your ipod.

My grandcarvan sxt came with a remote for the DVD system and wireless headphones from KOSS. You have to press the headphone button on the remote to change it to headphones otherwise it comes through the main system. With the button pressed we can listen to cd or radio in front while they wear the headphones in back. You might need the remote to change it back to main system. The headphones from Koss are lifetime guaranty and not too expensive.

I have a 2007 montana sv6 and want to put a factory dvd player out of a 2006 montana in my 2007 my question is are the wires in the roof from factory and were do I cut the head liner

I have a 2005 with DVD - but do not have the wireless headphones. I use the AUX button on the front radio to switch between FM/AM/and the DVD Player. I do have headphones jacks in the roof console by the DVD player, but have never used them.

Make sure the headphones are powered off. If you press the CD/AUX button twice the headphone symbol should disappear and it will play through the car speakers.