Since space is a premium on our Interstates I hate not using every space I can. How have you used the ceiling radio box (or what I presume is a radio box)? CB's? Additional radio? Contraband stash?
How is that wired? Is it wired to the MB speakers?
If the wires are 12V that might be a good place to put my just-installed TPMS. Mine uses a USB cable to charge, others likely use a cigarette lighter plug. Either way the 12V power could be used to power the monitor.
In my 2014.5, there was a non-opening plate on the opening. I found a nice little storage box with a door on EBay that was made to fit the DIN 1 opening. It was even gray to match the interior. It was a nice place to store fuel cards and the like.
My 2018 does not have an opening there.
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John W. Irwin
2018 Interstate GT, "Sabre-Dog V"
WBCCI #9632
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