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

5-VOLT REFERENCE AMBIENT LIGHT/ SUNLOAD SENSOR ANTI-THEFT SYSTEM BATT POSITIVE BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MTR BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SPLY FRT BLWR FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (MOUNTED TO TOP OF HVAC ASSEMBLY) HVAC/AUX HVAC IGN FUSE INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW SPEED GMLAN SERIAL DATA LOWER AIR TEMP SENS SIG PEPS/HVAC BATT FUSE REAR AIR TEMP DOOR CTRL REAR DEFOG RLY CTRL RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RR BLWR MTR SPD CTRL RUN/CRANK IGN 1 VOLT SOLAR SENSOR DRIVER SIGNAL SPD CTRL TWILIGHT SENTINEL DELAY SIGNAL UPPER AIR TEMP SENS SIG VIO/GRY WIRE VOLT WHT/BLU WIRE YEL/VIO WIRE

6.2L AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LP RLY CTRL BACKUP LP SPLY VOLT BATT POS VOLT BATTERY FUSE BLOCK BCK UP LP FUSE BCM 5 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHEVROLET, GMC CADILLAC W/ REAR VIEW CAMERA W/O REAR VIEW CAMERA 5.3L, 6.2L 6.0L COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) FUSE 2 GMLAN SER DATA - (1) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IMS MODE SWITCH LOW REF INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK LEFT BACKUP LAMP LEFT INSTRUMENT PANEL FUSE BLOCK LEFT TAIL LAMP ASSEMBLY PARK/NEUTRAL SIG (1) POWER DISTRIBUTION SYSTEM PPL PRNDL B SIGNAL PRNDL C SIGNAL PRNDL P SIGNAL TRANSMISSION POS SENSOR PRNDL S SIGNAL PRNDL A SIGNAL REAR VIEW CAMERA RED WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE REV LP FUSE RIGHT BACKUP LAMP RIGHT TAIL LAMP ASSEMBLY SIG A SIG B SIG C SIG P TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION POS SENSOR TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

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

BATT POS VOLT BATTERY POSITIVE VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM DISPLAY GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES INFO DISPLAY MODULE INSTRUMENT PANEL FUSE BLOCK IPC FUSE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL DOOR SPEAKER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR SPEAKER LOGIC LOW REF LVDS MEDIA DISC PLAYER MOST CONTROL MOST SER DATA (+) NCA WIRE NETWORK BUS 10 RADIO CONTROLS RED/GRY WIRE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL DOOR SPEAKER RIGHT REAR DOOR SPEAKER SERIAL DATA TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VOICE LOW REF VOICE SIG W/ VEHICLE SALES PACKAGE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

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

BATT POS VOLT BLK WIRE BLU/WHT WIRE BRN/BLU WIRE CLOSE EXPRESS GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY/VIO WIRE HOT AT ALL TIMES HOT W/ RETAINED ACCESSORY POWER RELAY 1 ENERGIZED ILL LEFT INSTRUMENT PANEL FUSE BLOCK RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN IGN 3 VOLT S/ROOF FUSE SEO RAP FUSE SUNROOF MOTOR (CENTER OF HEADLINER) SUNROOF SWITCH SW CLOSE SIG SW CLOSE VENT SIG SW EXPRESS SIG SW OPEN SIG SW OPEN VENT SIG VIO/YEL WIRE YEL WIRE YEL/VIO 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

AUDIO DRAIN WIRE AUDIO SIG LH (-) AUDIO SIG RH (-) AUDIO/VIDEO INPUT ADAPTER AUXILIARY AUDIO TRANSMITTER ANTENNA BATT POS VOLT BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE COMMON SIG COMPUTER DATA LINES SYSTEM DISPLAY SIG + ENABLE SIG ENTERTAINMENT GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LH AUDIO SIG LOGIC LVDS MEDIA DISC EJECT SWITCH (CADILLAC) NCA WIRE RDO FUSE RED/GRN WIRE RED/VIO WIRE REMOTE + REMOTE MEDIA EJECT SIG RH AUDIO SIG RIGHT INSTRUMENT PANEL FUSE BLOCK USB USB SERIAL DATA VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE