Chevrolet Tahoe IV (2014-2021) power distribution system Wiring diagrams

BACK SIG BACKUP LAMP CTRL BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BUS 12 CAMERA LOW REF CAMERA SIG 2 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DOWN SIG FORWARD SIG GMC/ CHEVROLET GMLAN SERIAL DATA GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG LEFT RIGHT LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LVDS MUTE NAVIGATION SYSTEM NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 POWER DISTRIBUTION SYSTEM RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO/HVAC CONTROLS RAP RLY COIL CTRL RED/GRY WIRE RED/YEL WIRE SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE

5 VOLT REF 6.0L (VIN G) ACC VOLT ACC WAKEUP SERIAL DATA SERIAL DATA COMMUNICATION ENABLE AHA RVC FUSE AMBIENT LT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, HEADLIGHTS SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM CRUISE CONTROL SYSTEM AUTO WIPER ON SIG BATT POSITIVE VOLT BATT POSITIVE VOLTAGE BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 5 FUSE BCM 8 FUSE BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CHALLENGE ACTIVE SIG CHILD LOCKOUT INDICATOR COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL SET/COAST/ RESUME/ACCELERATE SW SIG LO REF CURRENT SENS CTRL CURRENT SENS SIG DK BLU/VIO WIRE DOOR LOCK CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DRV DR LK SW LK SIG DRV DR LK SW UNLK EXCEPT 6.0L (VIN G) EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS GLOVE BOX DOOR RELEASE SIG GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SW LT TURN SIG HAZARD SW RH TURN SIG HAZARD SW SIG HDLP DIMM SW HI BEAM SIG HDLP SW HDLPS OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LP SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (+) (1) REMOTE FUNCTION ACTR RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HILL DESCENT CTRL SW SIG HOOD AJAR SW SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES I/P LP DIM SW SIG I/P LP DIMM SW LOW REF IGN MODE SW ACC LED SIG IGN MODE SW MODE VOLT IGN MODE SW ST LED SIG IGNITION KEY RESISTOR SIG IND DIMMING CTRL INTERIOR LIGHTS SYSTEM 192 (OR 6841) INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LED BACKLIGHT DIMM CTRL LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR STP LP CTRL LIFT GLASS/TRUNK MOTOR CTRL LIN BUS 4 LT FRT DRL CTRL LT HDL LO BEAM SPL VOLT NETWORK BUS 5 ORG/ WIRE PARK BRAKE SW SIG POWER DISTRIBUTION SYSTEM RAP RELAY COIL CTRL REAR WINDOW WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REMOTE FUNCTION ACTR RTN REMOTE FUNCTION ACTR SUPLY VOLT REMOTE FUNCTION ACTR TRANS SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR STP LP CTRL RR FOG LP SW SIG RR LICENSE LP SPLY VOL RT FRT TRN SIG LP CTRL RT HDL LO BEAM SPL VOLT RT RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT RUN/CRANK RLY COIL CTRL SECURITY IND CTRL SENS LO REF SHIFT INTERLOCK SYSTEM SHIFT SELECT SW PERFORMANCE SIG STARTING/CHARGING SYSTEM STOP LAMP RLY COIL CTRL STOP LAMP SW SIG STRG COLUMN LK STATUS SIG SW SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG TRAILER BRK APPLY SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK VEH ANTI-THEFT SYS IMMOBILIZER RTRN LIN BUS 11 VEH ANTI-THEFT SYS IMMOBILIZER SPLY VOLT 12 VOLT REF VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WPR SW LO SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

ACC VOLT BACKUP LMP RLY CTRL BATT POSITIVE VOLT BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LK MTR STATUS SIG LR SHIFT SELECT SW PARK SIG CHILD SECURITY LK MTR STATUS SIG RR COURTESY LP SW SIG CHILD SECURITY LK RLY CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS LO REF DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS INTERIOR LIGHTS SYSTEM DR LK ACTR UNLCK CTRL DR LK CTRL DR LK CTRL 2 DRIVER MODE SW SIG DRV OUTSIDE RR VIEW MIR PUDDLE LP SPLY VOLT DRV SEAT VENT MTR CTRL 1 ELECTRONIC SUSPENSION SYSTEM ENDGATE LATCH RLY SPLY VOLT EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM FOG LMP RLY CTRL FOG LP RLY COIL CTRL GLASS BREAKAGE SENSOR SIG 2 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HDLP HI BEAM RLY CTRL HDLP LO BEAM RLY CONTROL HEADLIGHTS SYSTEM HI SPD GMLAN SER DATA (+) 1 HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGNITION SWITCH INADVERTENT POWER CTRL INTR LP CTRL KEY-IN IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE LATCH RLY COIL CTRL LED AMBIENT LIGHTING CTRL 1 LED BACKLIGHT DIMM CTRL LEFT CORNERING LAMP SPLY VOLT LEFT HDLP BULB OUTAGE SIG LEFT TAIL LP OUTAGE DETECTION SIG LF TURN SIG CTRL LIFT GLASS/TRUNK RELEASE SIG LIN BUS 2 LIN BUS 3 LO SPD GMLAN SERIAL DATA LR TURN LMP CTRL LT TRAILER TURN SIG LAMP LTFTGATE AJAR SW SIG (1) NETWORK BUS 1 OFF OUT OF PARK SIG FT WINDSHIELD WIPER SW HI SIG PARK LMP RLY CTRL PASS DR LOCK SW LCK CTRL PASS DR LOCK SW UNLCK CTRL WIRELESS CHARGING SYSTEM CHARGE INDICATOR CTRL PASS SEAT VENT MOTOR CTRL 1 POWER DISTRIBUTION SYSTEM REAR CLOSURE HANDLE SW OPEN SIG CHILD SECURITY LOCK SW SIG RED/GRN WIRE RED/WHT WIRE RIGHT CORNERING LP CTRL RIGHT HDLP BULB OUTAGE SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TAIL LP OUTAGE DETECTION RIGHT TRAILER TURN SIG LAMP RR WINDOW WASHER RLY CTRL RT FRT DRL SPLY VOLT RUN IGNITION 3 VOLTAGE RUN WIRE RUN/CRANK IGN 1 VOLT SEATS SYSTEM SECURITY LK RLY CTRL SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM TRAILER BRK APPLY SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/ KEYLESS ENGINE START SWITCH W/O KEYLESS ENGINE START SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

ACC WAKEUP SER DATA AIR PRESS SENS 5 VOLT REF AIR PRESS SENS LO REF AIR PRESS SENS SIG AIR SUSPENSION COMPRESSOR AIR SUSPENSION PRESSURE SENSOR ALC EXH SOL FUSE ALC RUN/CRANK FUSE ANTI-LOCK BRAKES SYSTEM AUXILIARY CHASSIS CONTROL MODULE BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DAMPING RLY COIL CTRL DRIVER INFORMATION CENTER DISPLAY ECM IGN FUSE EXHAUST SOLENOID CTRL GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ICCM FUSE INSTRUMENT CLUSTER LEFT REAR SUSPENSION POSITION SENSOR LIN SER DATA BUS 14 LOGIC LOW SPD GMLAN SER DATA LR STRUT POS SENS 5 VOLT REF LR STRUT POS SENS LO REF LR STRUT POS SENS SIG MANUAL APPLY SIG POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT REAR SUSPENSION POSITION SENSOR RR STRUT POS SENS 5 VOLT REF RR STRUT POS SENS LO REF RR STRUT POS SENS SIG RUN/CRANK IGNITION 1 VOLT SUSP LEVELING CMPRSR FUSE SW 5 VOLT REF SW LOW REF TRAILER BRK CONTROL SIG TRAILER BRK ENABLE SIG UNDERHOOD FUSE BLOCK USER GAIN SIG VEHICLE LEVEL CONTROL COMPRESSOR RELAY VEHICLE LEVEL CONTROL SOLENOID VALVE VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/ORG WIRE BRN/YEL WIRE COMMON CONTROL COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH EXIT FOLD IN CTRL FOLD OUT CTRL GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT (-) RIGHT (+) SIG LOGIC LOW REF LOW REFERENCE NAVIGATION SYSTEM NETWORK BUS 8 ORG/BLK WIRE ORG/WHT WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER WINDOW SWITCH POSITIVE VOLT POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/BRN WIRE RED/YEL WIRE RIGHT (+) LEFT (-) SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TURN SIGNAL REPEATER LAMP SET SIG SET- SPARE/RAIN SNSR FUSE SWITCH SIG 1 UP (+) DOWN (-) CTRL UP DOWN SIG VIO/WHT WIRE WHT WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BACK SIG BACKUP LAMP CTRL BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BUS 12 CAMERA LOW REF CAMERA SIG 2 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DOWN SIG FORWARD SIG GMC/ CHEVROLET GMLAN SERIAL DATA GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LVDS MUTE NAVIGATION SYSTEM NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 POWER DISTRIBUTION SYSTEM RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO/HVAC CONTROLS RAP RLY COIL CTRL RED/GRY WIRE RED/YEL WIRE RIGHT LEFT SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE

BACK SIG BACKUP LAMP CTRL BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BUS 12 CAMERA LOW REF CAMERA SIG 2 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DOWN SIG FORWARD SIG GMC/ CHEVROLET GMLAN SERIAL DATA GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LVDS MUTE NAVIGATION SYSTEM NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 POWER DISTRIBUTION SYSTEM RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO/HVAC CONTROLS RAP RLY COIL CTRL RED/GRY WIRE RED/YEL WIRE RIGHT LEFT SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE

BACK SIG BACKUP LAMP CTRL BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BUS 12 CAMERA LOW REF CAMERA SIG 2 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DOWN SIG FORWARD SIG GMC/ CHEVROLET GMLAN SERIAL DATA GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG IPC FUSE LEFT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LVDS MUTE NAVIGATION SYSTEM NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 POWER DISTRIBUTION SYSTEM RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO/HVAC CONTROLS RAP RLY COIL CTRL RED/GRY WIRE RED/YEL WIRE RIGHT SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE

BACK SIG BACKUP LAMP CTRL BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BUS 12 CAMERA LOW REF CAMERA SIG 2 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DOWN SIG FORWARD SIG GMC/ CHEVROLET GMLAN SERIAL DATA GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG LEFT LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LVDS MUTE NAVIGATION SYSTEM NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 POWER DISTRIBUTION SYSTEM RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO/HVAC CONTROLS RAP RLY COIL CTRL RED/GRY WIRE RED/YEL WIRE RIGHT SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE