Chevrolet Tahoe IV (2014-2021) logic Wiring diagrams

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AIR INLET DOOR ACTUATOR AIR TEMP DOOR CONTROL AIR TEMP DOOR POSITION SIG BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE EVAP CORE TEMP SENSOR SIG GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HVAC CONTROL MODULE (MOUNTED TO TOP OF HVAC ASSEMBLY) INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LEFT MODE DOOR ACTUATOR LOGIC MODE 1 VALVE POSITION SENSOR SIG MODE DOOR CONTROL MOST SERIAL DATA (+) PASS AIR TEMP DOOR CTRL PASS AIR TEMP DOOR POSITION SIG PASS AIR TEMP MOTOR CTRL PASS AIR TEMP SW SIG RADIO/ HVAC CONTROLS RECIRCULATION DOOR CONTROL RECIRCULATION DOOR POSITION SIG RIGHT AIR TEMPERATURE DOOR ACTUATOR RR AIR TEMP DR CTRL RR AIR TEMP MTR CTRL RR MODE MTR LO REF RR MODE MTR SIG RR MODE MTR SPLY VOLT SENS LOW REF VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/ORG WIRE YEL/BLK WIRE YEL/BRN 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

BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DAMPING AIR PRESS SENS SIG DRIVER INFORMATION CENTER DISPLAY EXHAUST SOLENOID CTRL EXHAUST SOLENOID SPLY VOLT GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 2 HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT SUSPENSION POSITION SENSOR LEFT REAR SUSPENSION POSITION SENSOR LF STRUT MOTOR DECREASE DAMP CTRL LF STRUT MOTOR INCREASE DAMP CTRL LF STRUT POS SENS 5 VOLT REF LF STRUT POS SENS LOW REF LF STRUT POS SENS SIG LOGIC LR STRUT MOTOR DECREASE DAMP CTRL LR STRUT MOTOR INCREASE DAMP CTRL LR STRUT POS SENS 5 VOLT REF LR STRUT POS SENS LOW REF LR STRUT POS SENS SIG RED/BLU WIRE RED/GRN WIRE RELAY COIL CTRL RF STRUT MOTOR DECREASE DAMP CTRL RF STRUT MOTOR INCREASE DAMP CTRL RF STRUT POS SENS 5 VOLT REF RF STRUT POS SENS LOW REF RF STRUT POS SENS SIG RIGHT FRONT SUSPENSION POSITION SENSOR RIGHT REAR SUSPENSION POSITION SENSOR RR STRUT MOTOR DECREASE DAMP CTRL RR STRUT MOTOR INCREASE DAMP CTRL RR STRUT POS SENS 5 VOLT REF RR STRUT POS SENS LOW REF RR STRUT POS SENS SIG RTD FUSE SENS 5 VOLT REF SENS LOW REF SER DATA COMM ENABLE SERIAL DATA SUSP LEVELING CMPRSR FUSE SUSPENSION CONTROL MODULE (ABOVE SPARE TIRE) UNDERHOOD FUSE BLOCK VEHICLE LEVEL CONTROL COMPRESSOR RELAY VIO WIRE VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

ALERT LED CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE CADILLAC CHEVROLET, GMC COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DIMMING CTRL GAP UP/DOWN SWITCH GMLAN SERIAL DATA GRN WIRE GROUND GRY/GRN WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 IPC IGN/SDM IGN FUSE LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LANE DEPARTURE WARNING SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC RED/GRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA COMM ENABLE STEERING WHEEL AIR BAG COIL SW SIG UP/DOWN SW SIG USB/OBS DET FUSE VIO/BLK WIRE VOLT REF WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA (TOP MIDDLE OF WINDSHIELD)

AUXILIARY AUDIO INPUT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE COAX GRN WIRE GRY WIRE HOT AT ALL TIMES LOGIC NCA WIRE RDO FUSE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER USB USB/OBS DET FUSE VIO WIRE WHT WIRE X-BK BK YEL WIRE YEL/BLK 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

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BRN/WHT WIRE GMC, CHEVROLET CADILLAC GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT FRONT OUTER PARKING ASSIST SENSOR LEFT FRONT SIDE PARKING ASSIST SENSOR LEFT REAR OUTER PARKING ASSIST SENSOR LEFT REAR SIDE PARKING ASSIST SENSOR LOGIC PARKING ASSIST DISABLE SWITCH RED/GRN WIRE RIGHT FRONT MIDDLE PARKING ASSIST SENSOR RIGHT FRONT OUTER PARKING ASSIST SENSOR RIGHT FRONT SIDE PARKING ASSIST SENSOR RIGHT REAR MIDDLE PARKING ASSIST SENSOR RIGHT REAR OUTER PARKING ASSIST SENSOR RIGHT REAR SIDE PARKING ASSIST SENSOR SIG VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE