Maybe some has one for a COE, I never found one. I think they would be the same, the diagram doesn't give you wire lengths, other than that they are the same. I used a truck one for my COE and rewired my entire truck.

Jason
1946 GMC COE
1967 Pontiac Lemans Convertible

http://s1275.photobucket.com/user/jrpontiac/library/?sort=3&page=1