Hope m not breaking forum rules.... here are some links to team buick forums for anyone who needs em... complete layouts I have a printed out set for my project. I saved them and emailed to Staples and picked em up... cheap... like $5 http://www.teambuick.com/reference/years/72/wiring_diagram_4d-4f-4g-4h.html http://www.teambuick.com/reference/years/72/wiring_diagram_4l-4n-4r-4p-4u-4v-4y.html