The PB-6 is designed to work with controllers that have a 3-wire input, but can also be used with controllers with only a 2-wire input.
Curtis PB-6
The PB-6 is an input device between the Throttle pedal and the speed controller.
Stainless case with a micro switch built in
Resistance: 0-5K ohms
Pinout: White = Low, Black = Wiper, Red = High.
Main features
3D support:
HD support:
Multimedia
Video playback: