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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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Old 05-05-2013, 02:24 PM
Rooster Rooster is offline
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Default Interesting switch...

So yesterday I'm investigating my fog light issue and I noticed a small microswitch in the fuse area. I flip the switch and the NAV unit screen goes blank. I still have radio and all the buttons work (vol/seek/etc) but absolutely no screen. I tried popping a DVD into either the NAV unit or the DVD player in the center console, no video thinking its an override to watch DVD's up front, nope. I'm clueless as to why some one would wire up a switch this way. Any ideas..?
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Old 05-06-2013, 12:38 AM
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LoJac963 LoJac963 is offline
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Default Re: Interesting switch...

not sure how the H2's work as I have the regular radio but I know aftermarket systems have a built in safety to turn the screen off unless in park so you're not watching a movie say while you're driving.

There are obviously work arounds but maybe its something similar?
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