Chevrolet Tahoe IV (2014-2021) instrument panel junction block Wiring diagrams

ADJUSTABLE PEDAL MOTOR BLK WIRE BODY CONTROL MODULE (BCM) FORWARD ADJUSTABLE PEDAL RELAY GRN/GRY WIRE GRN/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK PRK ENBL/EAP FUSE REAR FOLDING SEAT CIRCUIT REARWARD ADJUSTABLE PEDAL RELAY RWD TRANSMISSION PARK POSITION RELAY WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

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

ACCESSORY VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG LO BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE COURTESY LAMP DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DOOR OPEN SW SIG DRV DR ANTENNA SIG HI DRV DR ANTENNA SIG LO DRV DR HANDLE SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL JUNCTION BLOCK KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LOCK SIG LOW REF LR DR HANDLE SW SIG ORG/ WIRE PASS DR ANTENNA SIG HI PASS DR ANTENNA SIG LO PASS DR HANDLE SW SIG PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE COURTESY LAMP PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 PEPS/HVAC BATT FUSE POWER DISTRIBUTION SYSTEM REAR CLOSURE ANTENNA SIG HI REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/YEL WIRE RLY 2 COIL CONTROL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE 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

AIR CONDITIONING SYSTEM AJAR SW SIG AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HVAC CONTROL MODULE INSTRUMENT PANEL JUNCTION BLOCK LEFT REAR DOOR LATCH ASSEMBLY LOGIC LEFT REAR WINDOW SWITCH LOW REFERENCE NETWORK BUS 4 RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH LOGIC VIO/BLK WIRE VIO/YEL WIRE W/ THEFT DETERRENT BODY SECURITY CONTENT WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO 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

BATT POS VOLT BK LVDS HEAD-UP DISPLAY SIG BLK WIRE BLK/GRN WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DATA DISPLAY SIG + GRN/BLK WIRE GROUND GRY/VIO WIRE HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP ON HEADUP HOT AT ALL TIMES HUD HUD SW LOW REF HUD SW SIG INFO INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONN NETWORK BUS 12 LOGIC INSTRUMENT CLUSTER LVDS MOST SERIAL RED/GRY WIRE WHT WIRE WHT/GRN 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

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