Chevrolet Tahoe IV (2014-2021) computer data lines system Wiring diagrams

BATT POS VOLT BCM 1 FUSE BCM 5 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE CADILLAC CHEVROLET, GMC CENTER CONSOLE COMPARTMENT LAMP CENTER CONSOLE COMPARTMENT LAMP SWITCH COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG GMLAN SERIAL DATA - 1 GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT PANEL JUNCTION BLOCK INTERIOR LP CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LED AMBIENT LIGHTING CTRL 1 LEFT FRONT FLOOR ACCENT LAMP LEFT INSTRUMENT PANEL FUSE BLOCK PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE ACCENT LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER SEAT ACCENT LAMP RED/BRN WIRE RED/WHT WIRE RIGHT FRONT FLOOR ACCENT LAMP VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BRN WIRE CENTER CONSOLE FLOOD LAMP COMPUTER DATA LINES SYSTEM DOME LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR SILL PLATE LAMP GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL JUNCTION BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR SILL PLATE LAMP LEFT REAR WINDOW SWITCH LF DOOR AJAR SW SIG LOGIC LOGIC DRIVER WINDOW MOTOR LOGIC PASSENGER WINDOW MOTOR LOGIC RIGHT REAR WINDOW SWITCH LR DOOR AJAR SW SIG NETWORK 3 NETWORK BUS 4 PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR SILL PLATE LAMP RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR DOOR SILL PLATE LAMP RR DOOR AJAR SW SIG VIO/GRN WIRE W/ ADDITIONAL VIDEO SCREEN EQUIPMENT W/O ADDITIONAL VIDEO SCREEN EQUIPMENT WHT WIRE WHT/BRN WIRE YEL WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 24 FUSE 4 FUSE 9 GLASS BREAKAGE SENS SIG 2 GMLAN SERIAL DATA - 1 GRN/YEL WIRE HOT AT ALL TIMES HVAC CONTROL MODULE INFO DISPLAY MODULE LEFT GLASS BREAKAGE SENSOR LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC NETWORK 9 OUTSIDE REAR VIEW MIRROR HEATER RELAY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PEPS- HVAC BATT FUSE REAR BEC 1 FUSE REAR BODY FUSE BLOCK REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT GLASS BREAKAGE SENSOR UNDERHOOD FUSE BLOCK WHT WIRE

5 VOLT REF AUTO AUXILIARY CHASSIS CONTROL MODULE AUXILIARY HVAC CONTROLS BATT POSITIVE VOLT BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE CHILD LOCKOUT IND COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR DISABLE SWITCH DOME LAMP SWITCH GARAGE DOOR OPENER GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HDLP SW PARK LP SIG HEAD HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HOT AT ALL TIMES IGNITION MODE SWITCH IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK INTERIOR LIFTGATE CONTROL SWITCH LED BACKLIGHT DIMMING CTRL LEFT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW REF MEDIA DISC EJECT SWITCH OFF PARK PARK BRAKE CONTROL SWITCH RED/WHT WIRE RIGHT FRONT OVERHEAD CONSOLE DOME/ READING LAMPS RIGHT INSTRUMENT PANEL FUSE BLOCK RUN IGN 3 VOLTAGE SUNROOF SWITCH SW LOW REF SW SIG TRAILER BRAKE CONTROL SWITCH VIO/BRN WIRE W/ KEYLESS ENGINE START WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLK/BLU WIRE CADILLAC CHEVROLET, GMC W/ MEMORY W/O MEMORY CHEVROLET/ GMC COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH DRIVER SEAT HEATING, COOLING SWITCH DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LINEAR INTERCONNECT NETWORK BUS 12 LINEAR INTERCONNECT NETWORK BUS 3 LINEAR INTERCONNECT NETWORK BUS 5 LOGIC LOW REF OUTSIDE REAR VIEW MIRROR SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER SEAT HEATING, COOLING SWITCH PASSENGER WINDOW SWITCH POWER DISTRIBUTION SYSTEM SYSTEM VIO/BRN WIRE WHT WIRE YEL WIRE

ACTIVE SAFETY CONTROL MODULE BLK WIRE BLK/WHT WIRE CENTER CONSOLE COMPARTMENT COOLER CONTROL MODULE CENTER CONSOLE COMPARTMENT COOLER SWITCH CHEVROLET/ GMC COMPUTER DATA LINES SYSTEM GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE IND CTRL INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LED DISABLE SIG LEFT REAR WINDOW SWITCH LINEAR INTERCONNECT NETWORK BUS 4 LINEAR INTERCONNECT NETWORK BUS 8 LOGIC OUTSIDE REAR VIEW MIRROR SWITCH (W/ MEMORY) PARKING ASSIST CONTROL MODULE RIGHT REAR WINDOW SWITCH SIG GND VIO/BRN WIRE W/ ACTIVE SAFETY LANE DEPARTURE WARNING WHT WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

2 HI 4 HI 4 LO AUTO BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA 9 (+) GMLAN SERIAL GREEN LED GRN/BLK WIRE GRN/YEL WIRE GRY/GRN WIRE INFO DISPLAY MODULE INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK KEYPAD LEFT INSTRUMENT PANEL FUSE BLOCK LEFT ROOF RAIL DOME/ READING LAMPS LEFT STEERING WHEEL CONTROLS SWITCH LINEAR INTER CONNECT NETWORK BUS 9 LOGIC NEUTRAL PNK WIRE RED LED WIRE RIGHT ROOF RAIL DOME/ READING LAMPS RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE SWC BKLT FUSE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRANSFER CASE CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH VIO/BRN WIRE VIO/WHT WIRE W/ ACCESSORY STEERING WHEEL CONTROL W/O ACCESSORY STEERING WHEEL CONTROL W/O ADDITIONAL DVD SCREEN EQUIPMENT WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

AJAR SW SIG 1 BATT POS VOLT BCM 1 FUSE BCM 2 FUSE BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FUSE 11 FUSE 7 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LIFTGATE LATCH ASSEMBLY LIFTGATE UNLATCH RELAY LIFTGATE UNLATCH SWITCH LIFTGATE WINDOW LATCH ASSEMBLY LIFTGATE WINDOW UNLATCH RELAY LIFTGATE WINDOW UNLATCH SWITCH LO SPD GMLAN SERIAL DATA LOGIC INSTRUMENT CLUSTER LOW SPEED GMLAN SERIAL DATA REAR BODY FUSE BLOCK RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE REL (+) SIG RELEASE CONTROL RIGHT INSTRUMENT PANEL FUSE BLOCK RLY COIL CONTROL RLY SPLY VOLT SW OPEN SIG VIO/GRY WIRE YEL WIRE YEL/BLU WIRE

3/4 5 VOLT REF AJAR SW SIG 2 BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BOTTOM OF LIFTGATE) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FACE SW SIG FUSE 14 FUSE 25 GMLAN SERIAL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INTERIOR LIFTGATE CONTROL SWITCH LATCH MTR CLOSE LATCH MTR OPEN LEFT LIFTGATE OBJECT SENSOR LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LIFTGATE HANDLE SWITCH LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR (BASE OF LIFTGATE STRUT) LIFTGATE SIG LOW REF LOWER HANDS-FREE LIFTGATE SENSOR MAX MTR (CLOSE) MTR OPEN NCA WIRE NETWORK BUS 18 OBJ SENS 2 OFF ON/OFF SW SIG OPEN/CLOSE SW POS SIG 1 POS SIG 2 REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RELEASE SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LIFTGATE OBJECT SENSOR SW OPEN SIG UNLATCH SW SIG UPPER HANDS-FREE LIFTGATE SENSOR USB/OBS DET FUSE VIO/GRN WIRE W/ COLLISION AVOIDANCE, OBSTACLE DETECTION W/O COLLISION AVOIDANCE, OBSTACLE DETECTION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/ORG WIRE

ASSIST STEP CONTROL MODULE BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SW SIG DK GRN WIRE ECO SW SIG ELEC RNG BDS FUSE GMC/CHEVROLET GMLAN SERIAL DATA GRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/GRN WIRE HILL DESCENT CTRL SW SIG HOT AT ALL TIMES INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT ASSIST STEP (UNDER DRIVER'S DOOR) LEFT RUNNING BOARD STEP COURTESY LAMP LH CTRL EXTEND LH CTRL RETRACT LOGIC MTR HALL SENS LH REF MTR HALL SENS RH REF RED/YEL WIRE RH CTRL EXTEND RH CTRL RETRACT RIGHT ASSIST STEP (UNDER PASSENGER'S DOOR) RIGHT RUNNING BOARD STEP COURTESY LAMP SENS LH RTN SENS LH SIG SENS RH RTN SENS RH SIG SERIAL DATA (-) (1) UNDERHOOD FUSE BLOCK VIO WIRE VIO/RED WIRE WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE