GMC Sierra IV facelift (2022-2024) Park brake system circuit

BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE MASTER CYLINDER (LEFT REAR OF ENGINE COMPT) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 7 (-) GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HI SPEED GMLAN SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT PARK BRK MOTOR APPLY CTRL LEFT PARK BRK MOTOR LOW REF LEFT PARKING BRAKE ACTUATOR LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER PARK IND PARKING BRAKE CONTROL SWITCH (LOWER LEFT SIDE OF DASH) RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PARK BRK MOTOR APPLY CTRL RIGHT PARK BRK MOTOR LOW REF RIGHT PARKING BRAKE ACTUATOR RUN/CRANK IGNITION 1 VOLTAGE SERVICE PARK BRAKE IND SIG GND VIO/WHT WIRE WHT WIRE