Question about Delphi TNR800 Car DVD Player
The repalcement radio was advertised as a Delphi TNR 800. I t looks like and fits like a TNR 800. The number on the label is" '05 GMT 257TNR" Plugs fit, unit powers up but screen is blank(lit but blank) No sound and no repsonse to buttons or screen
Is this the wrong radio or is something wron with the truck?
Turn the radio off and disconnect the battery for a few minutes thenturn the switch to acc. the radio should work, there are two factory plugs that need to be pluged in to the back of the radio and the antenna for the nav. if it dosen't turn on and play then you have the wrong radio head
Posted on Aug 02, 2012
It needs to be unlocked and programmed by a GM dealer. I had mine done for about $75 US. When first installed it behaved just like yours - blue screen and no response.
Posted on Feb 11, 2009
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