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Sup guys and gals I've had my 2010 2500 for about a year and have some questions about cables coming into the glove box from under the dash. Any idea with out having to pull the dash apart? I'm on a 7-8 inch lift on 35s and I get about 13 mpg and am convinced that its for a programmer and what not. Any advice helps.
 

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You need to follow those USB cables and see where they lead. I would be surprised if it was a programmer. My guess is that they are tied to the entertainment center (radio).
 
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If its usb, its for the audio from your phone into your head unit. Look up the model number of your Kenwood, it will tell you if it has a backup camera input. Most aftermarket radios with backup camera capabilities, the input is almost always an rca jack on the back of the head unit.

EDIT:
to add to why there's probably 2 cables, one will be just just for audio playback, the other will also play audio but will add capability for updates/programming of the head unit.
 
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