Need help asap! 1997 harness diagrams need badly

[jaons_Wlp]

ive completed a 2.4l to 3400 swap and i just realized the harness pinout is different between 1997 pontiac, buick, oldsmobile, and chevrolet cars even though the computers are the same. i urgently need the harness diagrams for a 1997 grand am, buick century, and chevy lumina. trying to get my project running today. this is what is holding me back. please!

[robertisaar]

which engines for the various vehicles?

[jaons_Wlp]

the 3.1l only. thanks

[robertisaar]

century: http://imgur.com/NGFpEWX,snByArX,atW...Zo7ld3,TuwL7b8

grand am: http://imgur.com/VqG8Vzg,HofaLUD,wHE...GhdVnF,xa3WwVY

lumina: http://imgur.com/S8cLVzc,WyR1ILY,fyR...pq38f1,lxCuPnU

[jaons_Wlp]

thank you!