I made all the changes needed to the case assembly and I trimmed down the proto PCB and wired the connections to the sensors.
Here is a picture of the completed assembly:
Not pretty, but looks like a prototype..... At the lower right, next to the terminal block is the battery connector adapter. It is screwed into the terminal block and I put a slot in the insert to support it.
Temp sensor connections at upper left and GPS connections at lower left.
I also added the gasket to the cover for waterproofing.
The completed unit: