I found this web site and it has free look up for technical service bulletins and wiring diagrams. Looks like it only gôes back to 1980. It seems like wiring diagrams are hard to find without paying to be on a repair site. I thought this might help some people out with their newer rides
67 Verdoro Green 400 Front bench w/auto on column Now excepting- free, ready to bolt on, Pontiac Aluminum Heads... Thanks to John(Hammered)-- This project is REBORN!! http://s903.photobucket.com/albums/ac237/lupdiesel/