GMC Yukon V (2020-2024) Trailer tow circuit

ANTI-LOCK BRAKES SYSTEM APPLY SIG TRAILER BRK AUX CTRL TRLR AUX PARK LP RLY CTRL BACKUP LP RLY CTRL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE CAN BUS- GND CAN-BUS COMPUTER DATA LINES SYSTEM CTRL MOD BRAKE SYS ENABLE SIG TRAILER BRK ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LIGHTING CONTROL MODULE (UNDER LEFT END OF DASH) LIN BUS 2 LR TRAILER STP/TN LP CTRL RR TRAILER STP/TN LP CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY TOW VEHICLE ELECTRICAL RECEPTACLE TRAILER BACKUP LAMP RELAY TRAILER BRAKE CONTROL MODULE (UNDER VEHICLE, NEAR SPARE TIRE) TRAILER BRAKES PROVISION BLUNT CUT (IF EQUIPPED) (UNDER LEFT SIDE OF DASH) TRAILER PARKING LAMP RELAY VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VOLT BATT POS W/ TRAILER INFORMATION INDICATOR W/O INTEGRATED TRAILER BRAKE W/O TRAILER INFORMATION INDICATOR WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/YEL WIRE CAN BUS (+) 2 CAN-BUS COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK EXTERIOR LAMPS CIRCUIT GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES L TRAILER PARK LP CTRL L TRAILER TN SIG LP CTRL R TRAILER TN SIG LP CTRL REAR BODY WIRING HARNESS JUNCTION BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRNK IGN 1 VOLT CEN HIGH MOUNTED STOP LAMP SUPPLY VOLT TRAILER BACKUP LP CTRL TRAILER BRK APLY SIG TRAILER LAMP CONTROL MODULE (UNDER VEHICLE, NEAR SPARE TIRE) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/GRY WIRE