Very interesting. Thanks for the pictures. I cleaned mine up a bit and was able to see some color. Starting at the mid point and going back, I have white, pink, and green. (You're showing pink, white, and green). My two strips near the differential are both yellow. Since we have different gears, that would explain why you have a single blue at the front of the driveshaft and a single blue at the rear of the driveshaft.
Beatlemike
68 Dearborn Plant