i have a parts disc that has some diagrams in it that may help.i dont know if it is specific enough for you but it is better than nothing.it shows how everything goes together but dont give very specific details.just a good picture and all the gm part numbers.you can contact me at:youjincho@prodigy.net or 954-721-1459..
The '69 shop manual has good diagrams. I was just blowing them up on the copy machine at work this week. Do you want me to scan them and e-mail them to you?