I am thinking about building a diorama with M1A1 and want to make it as a scene of maintenace kind of like this picture.

By abarth003 at 2011-12-14
My question is about the yellow power lines for tools. Looks like those are comming out from drivers hatch but I am not sure. And ideas?
Also any advice for building this diorama will be greatly aprreciated!
Thank you very much for your time.
abarth