Chevrolet Tahoe IV (2014-2021) Base radio circuit, w/ navigation

AM/FM AUX AUDIO COMMON SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG BATT POS VOLT BK AM/FM BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM CU HD/XM FM/RFR GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (+) (1) LH AUX AUDIO SIG (2) LR SPEAKER (+) MOST CONTROL MOST SERIAL DATA (+) NCA WIRE NETWORK BUS 10 RADIO RED/VIO WIRE REMOTE CONTROL DOOR LOCK RECEIVER RF SPEAKER (+) (1) RFR RH AUX AUDIO SIG (2) RIGHT QUARTER WINDOW ANTENNA RR SPEAKER (+) VIO WIRE VOICE LO REF VOICE SIG W/O FULL FEATURE CENTER WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY AUDIO INPUT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE COAX GRN WIRE GRY WIRE HOT AT ALL TIMES LOGIC NCA WIRE RDO FUSE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER USB USB/OBS DET FUSE VIO WIRE WHT WIRE X-BK BK 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

1-VT 2 PU 2-BU 2-VT BATT POS VOLT BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLU WIRE BLU/GRN WIRE CAMERA SIGNAL 2 CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM ENABLE SIG GMLAN SERIAL DATA (+) 9 GPS GPS/CELL GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE (BELOW PASSENGER'S AIR BAG) LO SPD GMLAN SER DATA LOW REF LVDS MICROPHONE/AUDIO MOST CONTROL MOST SER DATA (+) MOST SERIAL DATA (+) NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NETWORK BUS 5 RED WIRE RED/GRN WIRE RED/VIO WIRE REMOTE MEDIA EJECT SIG RIGHT INSTRUMENT PANEL FUSE BLOCK RSE FUSE SOUND SYSTEMS USB USB SERIAL DATA VIDEO SYSTEM CIRCUIT W/ ONSTAR W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE

BACK SIG BACKUP LAMP CTRL BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BUS 12 CAMERA LOW REF CAMERA SIG 2 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DOWN SIG FORWARD SIG GMC/ CHEVROLET GMLAN SERIAL DATA GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG LEFT RIGHT LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LVDS MUTE NAVIGATION SYSTEM NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 POWER DISTRIBUTION SYSTEM RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO/HVAC CONTROLS RAP RLY COIL CTRL RED/GRY WIRE RED/YEL WIRE SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE

BATT POS VOLT BLK WIRE BLK/YEL WIRE BUS 12 COMPUTER DATA LINES SYSTEM DOWN GMC/ CHEVROLET GRN WIRE GRN/BLK WIRE GROUND HANG-UP SIG HOT AT ALL TIMES IPC FUSE LEFT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH NETWORK RECOGNITION RED/GRY WIRE RED/YEL WIRE RIGHT RIGHT INSTRUMENT PANEL FUSE BLOCK SEEK DOWN SEEK UP SEL SIG STEERING WHEEL AIR BAG COIL SWC FUSE VOICE VOL (-)