Can anyone describe a kick down assembly?

[71CHEVYSHORTBED402]

This is what's on my transmission. See Fig. 6 T-27 Turbo Hydra-Matic 400 TCS Connection Terminal Identification
http://www.73spot.com/index_stats_fi...ission/tcs.htm

Post #3 is basically my connection at the transmission. His wire doesn't look black to me, though I'm a bit shade blind. http://67-72chevytrucks.com/vboard/s...d.php?t=679916

Post 2, 16 and 24: Obviously the guy has experience. Context can be un- certain.....That's the "beauty" of the web.............http://www.bangshift.com/forum/forum...-switch-wiring

Concerning the black wire connected to the transmission. I'm not proficient at reading schematics by any measure, but I believe that's 159D in the assembly manual. It's on a few pages, including 992 for transmission controlled spark (CTS), and I guess that's their way of saying it connects to the trans. on page 993.

My 72 402/400TH has just one wire to the transmission, which comes from the pedal assm. Obviously a different plug and transmission switch. It's not working either (go figure). The truck is new to me, but I seem to have lost kick down with the new carburetor install. Couldn't tell you, I didn't put on the carb, but I don't think it had any kick down linkage. The truck did have holes for the TCS relay and relay delay on the firewall, but they sealed them up.

Unless someone can advise otherwise, seems the connect at the transmission for a 1971 400TH was dual purpose or rather a mixed bag. Part kick down, part TCS.