Trailer tow circuit for GMC Hummer EV I (2021-2024)

APPLY APPLY SIGNAL BATTERY POSITIVE BLK WIRE BLU WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRAKE SYSTEM) BRAKE/ BRN WIRE COAX COMPUTER DATA LINES SYSTEM CONTROL CONTROL MODULE ENABLE ENABLE SIGNAL ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES LIN BUS 2 MEMORY SYSTEMS ORG/ WIRE RED/VIO WIRE RED/YEL WIRE SIGNAL TOW VEHICLE ELECTRICAL RECEPTACLE TRAILER AUXILIARY TRAILER BRAKE TRAILER BRAKE CONTROL MODULE (FRONT OF RIGHT REAR WHEELWELL) TRAILER) VOLTAGE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUTOSAR CAN BUS (+) 4 SERIAL DATA BATT POS VOLT BATTERY POSITIVE VOLTAGE L REAR TRAILER STOP/ TURN LAMP CONTROL BLK WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED L TRAILER PARK LP CTRL LOGIC POWER DISTRIBUTION SYSTEM R REAR TRAILER STOP/ TURN LAMP CONTROL RED/BRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRNK IGN 1 VOLT CENTER HIGH MOUNTED STOP LAMP SUPPLY VOLT TOW/ HAUL SWITCH TOW/HAUL IND TRAILER BACKUP LAMP CONTROL TRAILER BRAKE CONTROL SWITCH TRAILER LAMP CONTROL MODULE (FRONT OF RIGHT REAR WHEELWELL) VIO/BLK WIRE WHT WIRE YEL WIRE