Question about XO Vision X400GBT Car DVD Player

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Light problem with x400gbt

Just installed the x400gbt works fine untill i turn on the head you have any ideas how i can fix this problem?????

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  • glw1968charg Oct 02, 2008

    forgot to tell you what it does when i turn lights on. the screen turns blue and shows bcar none of the buttons respond you can not even shut it off plus it has 4 arrows in the upper left hand of the screen that point to the left and it will stay that way untill you shut the head lights off .

  • Anonymous Oct 06, 2008

    I Hve a x344gt xo vision and my unit does the same thing. Everything works until i trun my head lights on an the b car signal comes on. while in the process of doing this no button is functioning. Until i turn my head lighs off then it works just fine.


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You have to un hook the orange dimmer wrie. It's the solid orange wire. I tried to figure this one out for about 3hrs and this is the problem solver.

Posted on Oct 07, 2008

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Sounds like going over the tracks might have knocked a wire lose behind the dash. The only way to know would be to take out your head unit to reveal what's behind it. Make sure all the cables are securely fastened and it should work again.

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the reason your seeing that message is because there is a wire on the head unit that needs to be connected to the parking brake switch on your car. the wire your looking for is a light green color that needs to be spliced into the positive side of the parking brake switch. once you hook that wire up the video portion of the head unit will work but you have to have the car in park with the parking brake applied. if you comment back with the make and model of car your driving i might be able to tell you where the parking brake switch is and what color wire to splice the light green wire into.

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