77The left and right brake pedals are connected mechanically to the Brake Transmitter transducer on the FO rudder pedal mechanism.
Image property of David Cheilan
XMTR UNIT BRK PEDAL (P/N C20 215000)
Pinouts
Right Brake G/M(wiper)/U
Left Brake Y/C(wiper)/H
Reference ASM 32-42-01