wiring harnesses

I have a pre-2009 I believe (metal dash type) HZJ7x series 12-volt wiring harness and electronic gauge cluster for sale. The harness seems fairly complete, and it even includes the wiper motor. The only thing that seems missing is the transmission and transfer case portion of it (and possibly...

Is there a spreadsheet/list/document/bar napkin with a basic breakdown of wires sizes throughout different wiring harnesses? I know I could go to the fuse sizes and do some basic calcs, or a list of other things, but I'm looking for something that is already consolidated into one place...