P/N 2774000 - Foot Pedal
P/N 2774012 - Foot Pedal (Control Board w/Cable only)
Before disassembling the pedal to test just the control board/cable only , try the steps below first.
Steps 1 & 3 = Right Turning
Steps 2 & 4 = Left Turning
Step 5 = Foot Pedal On/Off
Step 6 = Momentary/Constan