Cadillac CT4-V I (2019-2024) gnd 21 Wiring diagram

AUDIO AMPLIFIER AUTOSAR CAN BUS AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 4 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR SERIAL DATA AUTOSAR SERIAL DATA CAN BUS (-) 4 SERIAL DATA AUTOSAR SERIAL DATA CAN BUS (-) 8 SERIAL DATA BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CAN BUS (-) 8 SERIAL DATA DRIVER SEAT ADJUSTER MEMORY MODULE ETHERNET BUS 3 (+) ETHERNET BUS 4 (-) GND 21 GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT SHORT RANGE RADAR SENSOR LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LIN BUS 1 LONG RANGE FORWARD RANGE RADAR SENSOR PASS SEAT MEM CTRL MOD LIN BUS 2 PASSENGER SEAT ADJUSTER MEMORY MODULE REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BRN WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE SECONDARY FUSED BATT POS VOLT 59 AUTOSAR SERIAL DATA CAN BUS (+) 8 SERIAL DATA SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) STEERING COLUMN TILT WHEEL, TELESCOPE CONTROL SWITCH TELEMATIC CONTROL MODULE W/ BRANDED SURROUND AMPLIFIER W/ LANE ACTIVE SAFETY W/ ONSTAR W/O BRANDED SURROUND AMPLIFIER W/O LANE ACTIVE SAFETY W/O ONSTAR WHT WIRE WHT/GRY WIRE