Buick Regal VI (2017-2020) Park brake system circuit

ABS PUMP FUSE B+ VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT PARK BRAKE ACTUATOR LOGIC LOW SPEED GMLAN SERIAL DATA LR PARK BRK MTR APPLY CTRL LR PARK BRK MTR LOW REF PARK BRAKE CONTROL SWITCH (NEXT TO SHIFT LEVER ASSEMBLY) PARK BRAKE IND PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK BRK SW SPLY RED/YEL WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRK MTR APPLY CTRL RR PARK BRK MTR LOW REF SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK W/ LINK 4 REAR AXLE W/ LINK 5 REAR AXLE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE