Chevrolet Tahoe IV (2014-2021) (below driver's seat) Wiring diagrams

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

BACKUP LAMP CTRL BATT POSITIVE VOLT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE COAX COAX GY COAXIAL BU CAMERA SIGNAL COAXIAL CAMERA SIGNAL COMP SW COMPUTER DATA LINES SYSTEM DIMMING CONTROL SWITCH DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR EMERGENCY SWITCH GMLAN SRL DATA (-) 9 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INFO/AIR BAG FUSE INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK KEYPAD GREEN LED KEYPAD GREEN LED IND KEYPAD RED LED IND WIRE KEYPAD RED LED WIRE KEYPAD SIG KEYPAD SIGNAL IND KEYPAD SPLY VOLT LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC MIRROR DIMMING MISC RUN/ CRNK FUSE ON/OFF SWITCH (W/ VIDEO DISPLAY) ONSTAR SWITCH ORG/ WIRE PHONE SWITCH REAR VIEW CAMERA RED WIRE RED/BLU WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOLTAGE TELEMATICS BUTTON ASSEMBLY TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TEMP VIO WIRE VIO/GRN WIRE W/ ONSTAR W/ SHORT WHEEL BASE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

AUDIO AMPLIFIER AUDIO/ VIDEO INPUT ADAPTER AUXILIARY AUDIO INPUT AUXILIARY BATTERY BATTERY BLK WIRE GMC, CHEVROLET CADILLAC GMC/ CHEVROLET HUMAN MACHINE INTERFACE CONTROL MODULE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK LOGIC MEDIA DISC EJECT SWITCH MEDIA DISC PLAYER PREMIUM RADIO REAR VIEW CAMERA TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB RECEPTACLE VIDEO PROCESSING CONTROL MODULE W/ POLICE VEHICLE, SPECIAL SERVICE MUNICIPAL SALES PACKAGE W/ REAR SEAT ENTERTAINMENT W/O REAR SEAT ENTERTAINMENT W/ REAR SEAT ENTERTAINMENT WHT 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

AMP FUSE AUDIO AMPLIFIER (LEFT REAR QUARTER PANEL TRIM) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR TRIM PANEL SPEAKER LEFT SPEAKER (-) LF SPEAKER SIGNAL (-) (1) GROUND LO SPD GMLAN SERIAL DATA LR SPEAKER (+) LR SPEAKER SIGNAL (-) MIC LOW REF 1 MIC LOW REF 2 MIC LOW REF 3 MOST CONTROL MOST SERIAL DATA (+) NCA WIRE NOISE REDUCTION MIC SIG 1 NOISE REDUCTION MIC SIG 2 NOISE REDUCTION MIC SIG 3 REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/YEL WIRE REPLICATED SIGNAL RF SPEAKER (+) (1) RF SPEAKER (+) (1) SUBWOOFER SPEAKER (+) RF SPEAKER SIGNAL (-) (1) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT SPEAKER (+) RR SPEAKER (+) RR SPEAKER SIGNAL (-) SUBWOOFER SPEAKER VIO/BLU WIRE VIO/BRN WIRE W/O FRONT COMPARTMENT CONSOLE W/ FRONT COMPARTMENT CONSOLE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE

AM/FM AUX AUDIO COMMON SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG AUXILIARY AUDIO INPUT BATT POS VOLT BK AM/FM BLK WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM CU HD/XM FM/RFR GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LH AUX AUDIO SIG (2) LOGIC MOST CONTROL MOST SERIAL DATA (+) NCA WIRE NETWORK BUS 10 RADIO RDO FUSE RED/VIO WIRE REMOTE CONTROL DOOR LOCK RECEIVER RFR RH AUX AUDIO SIG (2) RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT QUARTER WINDOW ANTENNA USB USB/OBS DET FUSE VIO WIRE VOICE LO REF VOICE SIG WHT WIRE WHT/GRN WIRE WHT/VIO WIRE X-BK BK 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

AM/FM AUX AUDIO COMMON SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG AUXILIARY AUDIO INPUT BATT POS VOLT BK AM/FM BLK WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM CU HD/XM FM/RFR GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LH AUX AUDIO SIG (2) LOGIC MOST CONTROL MOST SERIAL DATA (+) NCA WIRE NETWORK BUS 10 RADIO RDO FUSE RED/VIO WIRE REMOTE CONTROL DOOR LOCK RECEIVER RFR RH AUX AUDIO SIG (2) RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT QUARTER WINDOW ANTENNA USB USB/OBS DET FUSE VIO WIRE VOICE LO REF VOICE SIG WHT WIRE WHT/GRN WIRE WHT/VIO WIRE X-BK BK 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