Trans output speed sensor?

Have a manual tune on my full manual vb truck and would like to log trans output shaft speed , does anyone know the pin out on those sensors as in power ,ground or how they work, I have the pid loaded in v2 and shows up while logging but no output. I know some of the stuff is turned off in manual tune. Nuetral safety still works

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Pretty sure the wheel speed and transmission output shaft speed signal passes through the ABS module which translates it into a +5v square wave before being seen by the ECM.