Two pink wires one with the black stripe

I’ll bet you this one’s been asked 1 million times I bought a big wiring diagram from Todd it’s in the mail can someone enlighten me on what this plug is for I tried searching and can’t find it I know it’s there somewhere thanks and advance

 

I asked the same question a few weeks ago and @LARRY70GS was the man and helped me out.

Has to do with the TCS

Here’s my thread

http://www.v8buick.com/index.php?threads/th400-kickdown-cable-connection-buick-to-pontiac.355379/