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

ACT FORWARD CTRL ACT REARWARD CTRL ADJUSTABLE PEDAL MOTOR BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE COMPUTER DATA LINES SYSTEM DLC/ DSM FUSE DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRVR PWR SEAT FUSE EXIT FWD SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HIGH REF HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LOW REF LOW REFERENCE LOW SPD GMLAN NETWORK BUS 8 PEDAL SENS SIG POSITIVE VOLT RED/BRN WIRE RED/YEL WIRE RWD SIG SET SIG SET- SWITCH SIG 1 WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE

AIR DELIVERY MODE AUTO A/C AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY HVAC CONTROLS BAT POSITIVE VOL BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BLWR MTR SPLY VOLT BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CONTROL SWITCH DISPLAY DOWN SWITCH FAN DOWN FAN UP FUSE 18 GMC, CHEVROLET W/ FRONT SEATS GMC, CHEVROLET W/O FRONT SEATS, CADILLAC GRN/BLK WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LONG WHEEL BASE SHORT WHEEL BASE LOWER AUXILIARY DUCT AIR TEMPERATURE SENSOR MISC RUN/ CRNK FUSE REAR BODY FUSE BLOCK RED/GRY WIRE RR BLWR MTR RTN RR BLWR MTR SPEED CTRL SHORT WHEEL BASE SWITCH TEMPERATURE UP SWITCH UPPER AUXILIARY DUCT AIR TEMPERATURE SENSOR VIO/GRN WIRE W/ FRONT SEATS W/O FRONT SEATS GMC, CHEVROLET WHT 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

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

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)

AUDIO SIG + BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLUETOOTH WIRELESS COMMUNICATION ANTENNA (WIRELESS INTERFACE) BRN WIRE CELL COAX COMPUTER DATA LINES SYSTEM DRAIN WIRE GMC/ CHEVROLET GPS/CELL GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE INSTRUMENT PANEL COMPARTMENT USB RECEPTACLE INSTRUMENT PANEL JUNCTION BLOCK LOGIC USB RECEPTACLE LOW REF MOBILE TELEPHONE MICROPHONE NCA WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE REMOTE MEDIA EJECT SIG SERIAL DATA SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB VOICE LOW REF VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT W/O REAR SEAT ENTERTAINMENT W/O FULL FEATURE CENTER W/O ONSTAR WHT WIRE WHT/GRN WIRE YEL WIRE

AUDIO SIG + BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLUETOOTH WIRELESS COMMUNICATION ANTENNA (WIRELESS INTERFACE) BRN WIRE CELL COAX COMPUTER DATA LINES SYSTEM DRAIN WIRE GMC/ CHEVROLET GPS/CELL GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE INSTRUMENT PANEL COMPARTMENT USB RECEPTACLE INSTRUMENT PANEL JUNCTION BLOCK LOGIC USB RECEPTACLE LOW REF MOBILE TELEPHONE MICROPHONE NCA WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE REMOTE MEDIA EJECT SIG SERIAL DATA SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB VOICE LOW REF VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT W/O REAR SEAT ENTERTAINMENT W/O FULL FEATURE CENTER W/O ONSTAR WHT WIRE WHT/GRN WIRE YEL WIRE

AUDIO SIG + BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLUETOOTH WIRELESS COMMUNICATION ANTENNA (WIRELESS INTERFACE) BRN WIRE CELL COAX COMPUTER DATA LINES SYSTEM DRAIN WIRE GMC/ CHEVROLET GPS/CELL GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE INSTRUMENT PANEL COMPARTMENT USB RECEPTACLE INSTRUMENT PANEL JUNCTION BLOCK LOGIC USB RECEPTACLE LOW REF MOBILE TELEPHONE MICROPHONE NCA WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE REMOTE MEDIA EJECT SIG SERIAL DATA SIG USB VOICE LOW REF VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT W/O REAR SEAT ENTERTAINMENT W/O FULL FEATURE CENTER W/O ONSTAR WHT WIRE WHT/GRN WIRE YEL WIRE

AUDIO SIG + BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLUETOOTH WIRELESS COMMUNICATION ANTENNA (WIRELESS INTERFACE) CELL COAX COMPUTER DATA LINES SYSTEM DRAIN WIRE GMC/ CHEVROLET GPS/CELL GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE INSTRUMENT PANEL COMPARTMENT USB RECEPTACLE INSTRUMENT PANEL JUNCTION BLOCK LOGIC LOW REF MOBILE TELEPHONE MICROPHONE NCA WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE REMOTE MEDIA EJECT SIG SERIAL DATA SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB RECEPTACLE VOICE LOW REF VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT W/O REAR SEAT ENTERTAINMENT W/O FULL FEATURE CENTER W/O ONSTAR WHT WIRE WHT/GRN WIRE YEL WIRE

BATT POS VOLT BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LED DISABLE SIG LEFT FRONT MIDDLE PARKING ASSIST SENSOR LEFT REAR MIDDLE PARKING ASSIST SENSOR LEFT/RIGHT/MID SENS LF CORNER SENS SIG LF MIDDLE SENS SIG LF SUPPLEMENTAL OBJECT SENS SIG LOW SPD GMLAN SERIAL DATA LR CORNER SENS SIG LR MIDDLE SENS SIG LR OBJECT SENS SIG PARKING ASSIST CONTROL MODULE (BEHIND LEFT SIDE REAR SEAT) RED/GRN WIRE RF CORNER SENS SIG RF MIDDLE SENS SIG RF SUPPLEMENTAL OBJECT SENS SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RR CORNER SENS SIG RR MIDDLE SENS SIG RR SUPPLEMENTAL OBJECT SENS SIG RSE FUSE SENS LOW REF SENS SPLY VOLT SIG GND REAR PARK ASSIST DISABLE SIG USB/OBS DET FUSE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE