Ok, I think I figured it out. The FSM calls the center link the "Relay Rod". If that's the case mine is in the trash somewhere already, my Superlift kit replaced that factory part 7 years ago.

Here's the page in the FSM: http://personal.utulsa.edu/~nathan-buchanan/93fsm/steering/16steer0.pdf

93 4X4 ext-cab, auto, SR5, 3.4 V6, supercharged, 2.1" pulley, URD fuel mods, Aquamist WI, IPT valve body mod, dual cases, 4" superlift, Alcan springs, 33 BFG MT, ARB locked front & rear, 5.29 US Gears, RB 1" BL, 1.5" BJ spacers, TJM T-17, Warn m8000.