stock wiring harness code

i got the wiring harness in my car and isntead of buyin another 1 for 20$ at pepboys i wanted to know if anyone just new the wiring code for the stock harness... i saw the 1 about but i got alil confused anyone got a betta explanation of it? if not i'll just buy a new wiring harness but i ratha save the money

http://installdr.com/Harnesses/Mitsubishi-Wiring.pdf

but if u want, u can get one on ebay for like a quarter of the price of pep boys. walmart has them for cheap too if u can find one.