GMC Yukon V (2020-2024) engine wiring harness junction block Wiring diagrams

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE LIN BUS 1 BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT BACK HEATER DRIVER FRONT SEAT CUSHION HEATER DRV HEATED SEAT THERMISTOR LO REF DRV SEAT BACK HEATING ELEMENT CTRL DRV SEAT BACK HEATING TEMP SNS SIG DRV SEAT BLOWER MOTOR CTRL 1 DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMP SNS SIG ENGINE WIRING HARNESS JUNCTION BLOCK FRONT SEAT HEATER VENT CONTROL MODULE (UNDER FRONT OF FRONT PASSENGER'S SEAT) GRN/VIO WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED NCA WIRE PASS HEATED BACK THERMISTOR LO REF PASS HEATED SEAT THERMISTOR LO REF PASS SEAT BACK HEATING ELEMENT CTRL PASS SEAT BACK HEATING TEMP SNS SIG PASS SEAT BLOWER MOTOR CTRL 1 PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMP SNS SIG REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BRN WIRE RED/GRN WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

ABS IND. AUTOSAR CAN BUS (+) 5 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HI SPEED GMLAN SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT PARKING BRAKE ACTUATOR LOGIC PARKING BRAKE CONTROL SWITCH PRK BRK MTR APPLY LEFT REAR CTRL PRK BRK MTR APPLY RH REAR CTRL PRK BRK MTR LOW REF LEFT REAR PRK BRK MTR LOW REF RIGHT REAR RED/GRN WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT PARKING BRAKE ACTUATOR RUN/CRANK IGNITION 1 VOLTAGE SERVICE PARK BRAKE IND VIO/WHT WIRE WHT WIRE

BACKUP LP CTRL BK CAMERA VIDEO SIG BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BU COAX CAMERA VIDEO SIG CHEVROLET/ GMC COAX COAX 2_BU DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR LIGHTING CONTROL MODULE LOGIC LVDS LVDS 2_BK MIRROR DIMMING NCA WIRE RD LVDS VIDEO DISPLAY INSIDE REAR VIEW MIRROR CAMERA VIO WIRE VIO/WHT WIRE W/ HEATER AIR SYSTEM W/O HEATER AIR SYSTEM WHT WIRE YEL WIRE YEL/WHT WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU) (OR YEL WIRE BRN WIRE BRN/WHT WIRE CAN BUS (-) 1 SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GMC/ CHEVROLET GRN WIRE GRN/RED WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT ASSIST STEP MOTOR (UNDER LEFT FRONT DOOR) LH CTRL EXTEND LH CTRL RETRACT LH LAMP CTRL LH SENSOR LOW REF LH SENSOR SIG ORG/ WIRE ORG/WHT WIRE RED/YEL WIRE RH CTRL RETRACT RH LAMP CTRL RH SENSOR LOW REF RH SENSOR SIG RIGHT ASSIST STEP MOTOR (UNDER RIGHT FRONT DOOR) RL CTRL EXTEND RUNNING BOARD CONTROL MODULE VIO WIRE VIO/RED WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK (OR BRN/WHT) WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT WIRE

AUTOSAR CAN BATTERY BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/ORG WIRE BRN/WHT WIRE CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT DOOR AIR BAG SIDE IMPACT SENSOR LEFT REAR DOOR AIR BAG SIDE IMPACT SENSOR NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/WHT WIRE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT TENSION SENSOR REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT END OF DASH) RIGHT FRONT DOOR AIR BAG SIDE IMPACT SENSOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT REAR DOOR AIR BAG SIDE IMPACT SENSOR SIG GND SW LOW REF SW SIG VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/WHT WIRE WHT WIRE WHT/ORG WIRE

A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE AIR COOLER COOLANT PUMP ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST CONTROL VALVE ACTUATOR GMC/ CHEVROLET GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED MASS AIRFLOW SENSOR RED/BRN WIRE RED/GRN WIRE TO FUEL HEATER RELAY (DIAGRAM 7 OF 9) VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AMBIENT AIR TEMPERATURE SENSOR BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/GRY) BRN/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE ENGINE METAL TEMPERATURE SENSOR ENGINE OIL TEMPERATURE SENSOR ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST GAS RECIRCULATION VALVE 2 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 5 FUEL INJECTOR 6 GMC/ CHEVROLET GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INLET CHARGE AIR COOLER COOLANT TEMPERATURE SENSOR RED/VIO WIRE RED/WHT WIRE VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/GRY WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CLUSTER SYSTEM COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SENSOR SUPPLY VOLTAGE RELAY ENGINE WIRING HARNESS JUNCTION BLOCK FROM ENGINE CONTROLS IGNITION RELAY (DIAGRAM 2 OF 9) FUEL FILTER FUEL HEATER RELAY FUEL LEVEL SENS LOW REF FUEL PMP ASSEMBLY SHD GND FUEL PRESSURE SENS LOW REF FUEL PRESSURE SENS SIG FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP POWER CONTROL MODULE FUEL PUMP PRIMARY RELAY CTRL FUEL PUMP SPLY VOLT PHASE 2 FUEL PUMP SPLY VOLT PHASE 3 FUEL TEMP SENS 1 LOW REF FUEL TEMP SENS 1 SIG GMC/ CHEVROLET GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT LOGIC NCA WIRE POWERTRAIN SENSOR BUS ENABLE PRIMARY FUEL LEVEL SENS SIG PRIVATE SER DATA PWR CAN BUS (-) RED/VIO WIRE RED/WHT WIRE VIO WIRE VIO/BLK WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WIF SENS LOW REF WIF SENS SIG YEL WIRE YEL/GRY WIRE

BATT POS VOLT BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLU WIRE BRN/RED WIRE CADILLAC CHEVROLET, GMC CHEVROLET/ GMC COMPUTER COMPUTER DATA LINES SYSTEM DATA 2 (+) DATA LINES DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND ENGINE WIRING HARNESS JUNCTION BLOCK FUEL GAUGE FUEL GAUGE IND FUEL PRESSURE SENSOR FUEL TANK PRESSURE SENSOR GMLAN GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC LOW SPD RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SERIAL SERIAL DATA 2 SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE W/ FORWARD COLLISION ALERT W/O FORWARD COLLISION ALERT WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

BATT POS VOLT BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLU WIRE BRN/RED WIRE CADILLAC CHEVROLET, GMC CHEVROLET/ GMC COMPUTER COMPUTER DATA LINES SYSTEM DATA 2 (+) DATA LINES DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE OIL IND ENGINE WIRING HARNESS JUNCTION BLOCK FUEL GAUGE FUEL GAUGE IND FUEL PRESSURE SENSOR FUEL TANK PRESSURE SENSOR GMLAN GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LOGIC LOW SPD RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SERIAL SERIAL DATA 2 SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE W/ FORWARD COLLISION ALERT W/O FORWARD COLLISION ALERT WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE