Chevrolet Tahoe IV (2014-2021) red/gry Wiring diagrams

5.3L, 6.2L 6.0L 6.0L 5.3L, 6.2L B+ VOLT BATT+ VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL FAN LT FUSE COOL FAN RT FUSE ENG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES LEFT COOLING FAN MOTOR LO REF RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR TCM/ECM FUSE UNDERHOOD FUSE BLOCK WHT WIRE

B+ VOLT BLK WIRE BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR DISABLE SWITCH CONTENT THEFT DETERRENT SENSOR MODULE DATA BUS 1 GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE COURTESY LAMP LEFT REAR EXTERIOR DOOR HANDLE SWITCH LIN SERIAL DATA LOGIC NETWORK BUS 2 OVERHEAD CONSOLE POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE RED WIRE RED/BLU WIRE RED/GRY WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE COURTESY LAMP RIGHT REAR EXTERIOR DOOR HANDLE SWITCH SW DISABLE SIG SW LED CTRL THEFT DTRNT FUSE ULTRASONIC INTRUSION SENSOR 1 ULTRASONIC INTRUSION SENSOR 2 ULTRASONIC INTRUSION SENSOR 3 VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLU/VIO WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH GLBX FUSE GLOVE BOX DOOR GLOVE BOX) GMLAN SER DATA GRN WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LOCK SIG LOCK STATUS SIG LOGIC NCA WIRE OFF/ACC VOLT RED/GRN WIRE RED/GRY WIRE RELEASE SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RSE FUSE STEERING COLUMN LOCK MODULE (STEERING COLUMN) VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE CLIMATE CONTROL SEATS CIRCUIT COMPUTER DATA LINES SYSTEM DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRV HTD BACK ELE CTRL DRV HTD BACK NTC SIG DRV HTD SEAT ELE CTRL DRV HTD SEAT ELE LOW REF DRV HTD SEAT NTC LO REF DRV HTD SEAT NTC SIG DRV SEAT VENT MTR CTRL 1 GRN/BLU WIRE GRN/VIO WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LT HTD CLD SEAT FUSE NETWORK SERIAL DATA BUS 2 PASS HTD BACK ELE CTRL PASS HTD BACK NTC LO REF PASS HTD BACK NTC SIG PASS HTD SEAT ELE CTRL PASS HTD SEAT ELE LOW REF PASS HTD SEAT NTC LO REF PASS HTD SEAT NTC SIG PASS SEAT VENT MTR CTRL 1 RED/GRN WIRE RED/GRY WIRE RT HTD CLD SEAT FUSE SEAT HEATING CONTROL MODULE (UNDER PASSENGER'S SEAT CUSHION) VIO/WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

ANTENNA BATT POSITIVE VOLT BCM 3 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GMLAN SERIAL DATA GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD HOOD AJAR SW SIG HOOD AJAR SWITCH HOT AT ALL TIMES IMMOBILIZER CONTROL MODULE IMMOBILIZER RETURN IMMOBILIZER SPLY VOLT INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LIN BUS 11 LO SPD GMLAN SERIAL DATA 2 LOGIC RED/GRY WIRE RETURN SECURITY INDICATOR SPLY VOLT SW SIG W/ KEYLESS ENGINE START SWITCH 5.3L, 6.2L 6.0L WHT WIRE YEL WIRE

BATT POS VOLT BLK WIRE BLU/VIO WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH GLBX FUSE GLOVE BOX DOOR GLOVE BOX) GMLAN SER DATA GRN WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR INSTRUMENT PANEL COMPARTMENT DOOR UNLATCH ACTUATOR RELAY INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LOCK SIG LOCK STATUS SIG LOGIC NCA WIRE OFF/ACC VOLT RED/GRN WIRE RED/GRY WIRE RELEASE SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RSE FUSE STEERING COLUMN LOCK MODULE (STEERING COLUMN) VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

2 HI IND CTRL 2 SPEED 4 HI IND CTRL 4 LO IND CTRL 5 VOLT REF ACCY WAKEUP SERIAL DATA AWD IND CTRL BATT + BLK WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRV SW SIG FRONT AXLE ENGAGEMENT ACTUATOR FRT AXLE ACTUATOR CTRL GEAR POSITION SENSOR GMLAN SERIAL DATA - 1 GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INCRMT ENCDR SENS LOW REF INCRMT ENCODER DIR SIG INCRMT ENCODER IMPULSE SIG INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK J124 (5.3L, 6.2L) J123 (6.0L) LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC MISC RUN/ CRNK FUSE MTR CLOCKWISE CTRL MTR COUNTER CLOCKWISE CTRL NEUTRAL IND CTRL POWER DISTRIBUTION SYSTEM RED/GRY WIRE ROTARY POS SENS LOW REF ROTARY POS SENS SIG RUN/CRANK IGN 1 VOLT SERIAL DATA TRANS IGN FUSE TRANSFER CASE CONTROL MODULE TRANSFER CASE LOCK SOL CTRL UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHEEL LOCK IND WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

2-HI IND 4-HI IND 4-LO IND (2 SPEED) BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) GRN/BLK WIRE GRY/GRN WIRE GRY/RED WIRE INSTRUMENT PANEL JUNCTION BLOCK NEUTRAL IND (2 SPEED) ORG/ WIRE RED WIRE RED/GRY WIRE SERIAL DATA (-) (1) TRANSFER CASE MOTOR TRANSFER CASE SHIFT CONTROL SWITCH TRANSFER CASE) VEH SPD SENS LOW REF VEH SPD SENS SIG VEHICLE SPEED SENSOR VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE

BCM 3 FUSE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE IND BRK FLUID LVL SENS SIG COMPUTER DATA LINES SYSTEM DLIS FUSE DRIVER SEAT BELT IND DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE ELECTRONIC BRAKE CONTROL MODULE (NEAR LEFT SIDE OF TRANSMISSION) GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFO/ AIR BAG FUSE INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LO REF LOGIC MOST CTRL NCA WIRE ORG/BRN WIRE ORG/VIO WIRE PARK BRAKE IND PASSENGER SEAT BELT IND PASSENGER SEAT BELT SW SIG PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE POWER DISTRIBUTION SYSTEM RADIO RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA SIG GND TIRE PRESSURE IND VIO/BLK WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE

AUTO BLK WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEAD PARK HEADLAMP SW PARK LAMP SIG HEADLAMP SWITCH IGNITION SWITCH INSTRUMENT PANEL JUNCTION BLOCK KEY-IN SWITCH LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DOOR AJAR SW SIG LR DOOR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 OFF OFF/RUN/CRANK VOLT PARK BRAKE SW SIG B+ PARK BRAKE SWITCH PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR RED/BLU WIRE RED/GRY WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG RUN WIRE SERIAL DATA (-) (1) WHT WIRE WHT/VIO WIRE