Trailer tow circuit for GMC Sierra IV facelift (2022-2024)

AUX PARK LP RLY CTRL BACKUP LP RLY CTRL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE CAN-BUS COAX COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LIGHTING CONTROL MODULE (LEFT END OF DASH) LOGIC LR TRAILER STP/TN LP CTRL RR TRAILER STP/TN LP CTRL NAVIGATION SYSTEM ORG/ WIRE PARKING LAMP RELAY RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY RUN/CRANK IGN 1 VOLTAGE SIG GND TOW VEHICLE ELECTRICAL RECEPTACLE TRAILER BACKUP LAMP RELAY TRAILER BRAKE CONTROL SWITCH TRAILER BRAKES PROVISION BLUNT CUT (IF EQUIPPED) (LEFT SIDE OF DASH) VIO WIRE VIO/WHT WIRE W/ ACCESSORY WIRING JUNCTION BLOCK W/ INDUCTIVE PORTABLE WIRELESS DEVICE W/O ACCESSORY WIRING JUNCTION BLOCK W/O INTEGRATED TRAILER BRAKE W/O SMART TRAILER INTEGRATION INDICATOR WHT WIRE WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE

APPLY SIG AUTOSAR CAN BUS (+) 4 SERIAL DATA AUTOSAR CAN BUS (-) 5 SER DATA BATT POS VOLT BCM LIN BUS 16 BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER BRK SYSTEM BRN WIRE BRN/YEL WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM CTRL CTRL MOD DRIVER INFORMATION CENTER DISPLAY ENABLE CTRL ENGINE WIRING HARNESS JUNCTION BLOCK EXTERIOR LAMPS CIRCUIT GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 2 LOGIC LR TRAILER TN SIG LP CTRL POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RR TRAILER TN SIG LP CTRL RUN/CRNK IGN 1 VOLT CEN HIGH MOUNTED STOP LAMP SUPPLY VOLT TRAILER AUX TRAILER BACKUP LP CTRL TRAILER BRAKE CONTROL MODULE (UNDER REAR OF VEHICLE, ABOVE SPARE TIRE) TRAILER BRK TRAILER BRK APPLY SIG TRAILER LAMP CONTROL MODULE (UNDER REAR OF VEHICLE, NEAR SPARE TIRE) TRAILER PARK LP CTRL TRAILER TIRE PRESSURE INDICATOR MODULE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE