Chevrolet Tahoe IV (2014-2021) logic Wiring diagrams

ACTIVE SAFETY CONTROL MODULE BATTERY POSITIVE VOLT BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DATA COMM ENABLE DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENS SPLY VOLT FRONT OBJECT SENS SUPL VOLT FRT OBJECT SENS SPLY VOLT GMLAN SERIAL DATA (+) 4 GMLAN SERIAL DATA (-) 8 GMLAN SERIAL DATA 2 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LANE DEPARTURE WARNING SWITCH LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LEFT REAR SHORT RANGE RADAR SENSOR MODULE LOGIC LONG RANGE RADAR SENSOR MODULE LOW SPD GMLAN SERIAL DATA PARK ASSIST IND PARK ASSIST SWITCH REAR PARK ASSIST DISABLE SIG REAR PARK ASSIST LED DISABLE SIG RED WIRE RED/GRN WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR SHORT RANGE RADAR SENSOR MODULE SIG GND SPLY USB/ OBS DET FUSE VOLT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

BACK SEAT BACK SEAT HEAT IND BACK SEAT HEAT SWITCH BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COOLING HEAT SWITCH DRIVER SEAT HEATING, COOLING SWITCH FRONT SEAT COOLING FRONT SEAT COOLING HEAT IND FRONT SEAT COOLING HEAT SWITCH FRONT SEAT) GRN/WHT WIRE GRY/BLK WIRE HEAT IND HEAT SWITCH HIGH HEAT IND LOGIC LOW HEAT IND MEDIUM HEAT IND PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER SEAT HEATING, COOLING SWITCH PASSENGER'S SEAT BACK) RED/GRY WIRE SEAT CUSHION HEAT IND SEAT CUSHION HEAT SWITCH SEAT CUSHION) SERIAL DATA BUS 5 WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE

AUTO BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRL IND FOG LAMP IND FOG LAMP SW GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRY/GRN WIRE HEAD HEADLAMP SWITCH HIGH BEAM LAMP IND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT FRONT FOG LAMP LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GMLAN SER DATA 2 OFF PARK PARK BRAKE SWITCH POLICE UPFIT FUSE PROVISION RED/BLU WIRE RED/GRY WIRE RIGHT FRONT FOG LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK SIG GND UNDERHOOD FUSE BLOCK W/ FLASHER HEADLAMP W/O FLASHER HEADLAMP WHT WIRE WHT/VIO WIRE YEL WIRE

BLK WIRE BRN WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ IGNITION MAIN RELAY ENERGIZED HTD STR WHL FUSE IGN 1 VOLT PNK LED CNTRL WIRE LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT BLU WIRE ORG/ WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SNS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER (IN STEERING WHEEL) STEERING WHEEL HEATING CONTROL MODULE SW SIG WHL HI CTRL VIO WIRE WHT WIRE YEL WIRE

ABS IND. AIR BAG IND AJAR SW SIG AJAR SW SIG 2 AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT RUN/CRANK IGN 1 VOLT BATTERY CHARGE GAUGE BATTERY CHARGING IND BK LVDS BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BRAKE WARNING IND BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT LEVEL IND CRUISE IND DRIVER INFORMATION CENTER DISPLAY DRL IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL LEVEL GAUGE ENGINE OIL LEVEL IND ESC IND ESC OFF IND FORWARD COLLISION ALERT LED CTRL FRONT FOG LIGHT IND FUEL GAUGE FUEL IND GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILLUMINATION INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE IPC IGN/ SDM IGN FUSE KM/H IND LANE DEPARTURE WARNING LIGHT IND LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LEFT TURN IND LIFTGATE CONTROL MODULE LIFTGATE LATCH ASSEMBLY LIGHTS ON IND LINEAR INTERCONNECT NETWORK BUS 12 LINEAR INTERCONNECT NETWORK BUS 12 LOGIC LOW REF LOW SPD GMLAN SERIAL DATA LOW WASHER FLUID IND CTRL AMBIENT AIR TEMP LOW REF MALFUNCTION IND MOST CONTROL MOST SERIAL DATA (+) MPH IND NAVIGATION SYSTEM NETWORK BUS 4 PARK BRAKE IND (IF EQUIPPED) PARK BRAKE SWITCH PARK LAMP IND POWER DISTRIBUTION SYSTEM RED/GRY WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT TURN IND SEAT BELT 2 IND SEAT BELT IND SECURITY IND SERIAL DATA SERVICE PARK BRAKE IND SIGNAL GROUND SPEEDOMETER TACHOMETER TIRE PRESSURE MONITOR IND TRACTION CONTROL OFF IND TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL IND WIPER/WASHER SYSTEM

5.3L, 6.2L 5.3L, 6.2L 6.0L 6.0L AJAR SW SIG AJAR SW SIG 1 AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH BRK FLUID LEVEL BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENS SIG FUEL LEVEL SENSOR FUEL PRESS LOW REF FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK ASSEMBLY GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT PANEL JUNCTION BLOCK LIFTGATE LATCH ASSEMBLY LIFTGATE WINDOW LATCH ASSEMBLY LOGIC LOGIC RIGHT REAR WINDOW SWITCH NETWORK BUS 3 NETWORK BUS 4 OIL LVL SW SIG OIL PRESS LO REF OIL PRESS SENS SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR PRK BRK SW RIGHT REAR DOOR LATCH ASSEMBLY SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY VIO/GRY WIRE W/O POWER LIFTGATE WHT WIRE WHT/RED WIRE YEL/BRN WIRE

AJAR SW SIG BLK WIRE BLU/VIO WIRE BRN/RED WIRE BRN/YEL WIRE CHILD LOCKOUT INDICATOR CHILD SECURITY LOCK SWITCH COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/VIO WIRE DOOR LOCKS SYSTEM DOWN DOWN SIG DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH EXPRESS EXPRESS SIG GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES ILL LEFT FRONT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LK MTR STS LOCKOUT INDICATOR LOGIC LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL LT DR FUSE LT GRN/BLK WIRE LT GRN/GRY WIRE MIR WNDO MDL FUSE MOTOR NETWORK 3 NETWORK 4 PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/DK BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL RT DR WNDW MTR FUSE SPARE/ RAIN SNSR FUSE UNLCK SIG UP SIG VIO/GRY WIRE W/ MEMORY W/O MEMORY WHT WIRE WHT/VIO WIRE WINDOW LOCK SWITCH WINDOW SWITCH YEL/BLK WIRE YEL/DK BLU WIRE

BLK WIRE BODY CONTROL MODULE BRN/WHT WIRE FUSE 21 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC NCA WIRE OUT OF PARK SIG PRK ENBL/ EAP FUSE REAR BODY FUSE BLOCK RED/BLU WIRE TRANSMISSION PARK POSITION RELAY YEL WIRE YEL/BLK WIRE

AUXILIARY HVAC CONTROLS BATTERY POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM FUSE 2 FUSE 3 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND GRY WIRE HIGH HEAT IND HOT AT ALL TIMES LEFT REAR CUSHION IND LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR CUSHION SWITCH LH RR CUSHION NTC LO REF LH RR CUSHION NTC SIG LH RR HTD SEAT CUSHION ELE CTRL LH RR HTD SEAT CUSHION ELE LO REF LOGIC LOW HEAT IND MEDIUM HEAT IND NETWORK SERIAL DATA BUS 2 REAR BODY FUSE BLOCK REAR SEAT HEATING CONTROL MODULE (UNDER SECOND ROW SEAT CUSHION) RED/GRN WIRE RH RR CUSHION NTC LO REF RH RR CUSHION NTC SIG RH RR HTD SEAT CUSHION ELE CTRL RH RR HTD SEAT CUSHION ELE LO REF RIGHT REAR CUSHION IND RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR CUSHION SWITCH WHT/BLU WIRE

AIR BAG IND AIR BAG OFF IND AIR BAG ON IND B+ PASS SEAT BELT IND PASS AIR BAG ON IND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/RED WIRE GRY/ORG WIRE HI SPD GMLAN (-) 2 HOT W/ IGNITION MAIN RELAY ENERGIZED INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/ SDM IGN FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LEFT SEAT BELT RETRACTOR MOTOR MODULE LO SPD GMLAN SERIAL DATA LOGIC MOD STAGE 1 HI MOD STAGE 1 LO MOD STAGE 2 HI MOD STAGE 2 LO NCA WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND PASS STAGE 1 HI PASS STAGE 1 LO PASS STAGE 2 HI PASS STAGE 2 LO PASSENGER AIR BAG DISABLE INDICATOR PASSENGER INSTRUMENT PANEL AIR BAG PNK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT SEAT BELT RETRACTOR MOTOR MODULE SD COMM ENABLE SEAT BELT IND SEAT BELT ON IND SHORTING BAR SIG GND STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE VIO/BLK WIRE VIO/WHT WIRE W/ FULL VIDEO DISPLAY MIRROR W/O FULL VIDEO DISPLAY MIRROR WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE