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Discussion Starter · #1 ·
Does anyone have any idea why the oem navigation screen won't work after replacing the bose head unit with an aftermarket one. I basically replaced everything, head unit, amp, speakers. When using the aftermarket wiring harness for the head unit I didn't bother connecting the amp ground, or the amp power connectors since the factory amp is no longer being used. Could this be the problem for the navigation not turning on? I hear the beep once in awhile, but I'm not sure if that comes from the screen or somewhere else. Any ideas?

Thanks for the help in advance.
 

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Discussion Starter · #2 ·
Never mind. After hours of trying to determine the problem, there was a loose connection between the dvd reader and the navi screen.
 
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