Two parts to it. The vacuum modulator and the kickdown switch.rocklaurence wrote: ↑Tue May 25, 2021 12:20 pm Isn't the TH400 kick-down vacuum? IDK, Ive never had one.
Good to knowStuka wrote: ↑Tue May 25, 2021 1:05 pmTwo parts to it. The vacuum modulator and the kickdown switch.rocklaurence wrote: ↑Tue May 25, 2021 12:20 pm Isn't the TH400 kick-down vacuum? IDK, Ive never had one.
The vacuum modulator is used to let the transmission know shift points.
The Kickdown switch is electric and there is a switch that is activated by the throttle position.