Cab power, backup/dash cam, insulation

Made some progress today, as documented on the build thread. Stuff used: loctite pl300 foamboard adhesive .5″ Rmax polyiso for the first layer 6-24v to 5v 3A USB converter from eBay Rearview mirror / dashcam / backup cam.  Dunno where my 64GB card is so using a spare 16GB for now.  Turned down rez to