Help identify some gadget connected to throttle linkage.

[viento1]

I was making room for the new genset in the front spare tire compartment and noticed a cable to the throttle linkage. It goes to an actuator that has air supply. The supply is fed to a number of check valves then to a processing box. Set of wires to clutch, set to brakes and a set that disperses under the dash. It looks like a cruise control of some sort or maybe a air assist?

Thanks

[buswarrior]

cruise control would be my guess.

pictures?

happy coaching!
buswarrior