I'm assuming this is for the t-all...do they make patch panels for it?....if you have to build them from scratch you'll need some basic tools...most of us dont have the big shop equipment to repop a needed piece but can get by with some small scale stuff...
I'd suggest reading thru MP&Cs build on the 55 wagon....
http://67-72chevytrucks.com/vboard/s...564201&page=42