Chevrolet Tahoe IV (2014-2021) bus 12 Wiring diagrams

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 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 RIGHT LEFT SERIAL DATA BUS 5 SIG GROUND SOURCE UP SIG VOICE VOL VOL WHT/BLU WIRE WHT/YEL WIRE YEL/BLU 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 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 RIGHT LEFT 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 BLU/BLK WIRE BUS 12 COMPUTER DATA LINES SYSTEM DOWN SEEK 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 RIGHT REAR TRIM PANEL SPEAKER SEEK UP SEL SIG STEERING WHEEL AIR BAG COIL SWC FUSE VOICE VOL (-) WHT 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 HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE INFOTAINMENT DISPLAY SIG IPC FUSE LEFT LEFT INSTRUMENT PANEL FUSE BLOCK 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 RIGHT 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 BRN/GRN WIRE BUS 12 COMPUTER DATA LINES SYSTEM DOWN GMC/ CHEVROLET GRN WIRE GRN/BLK WIRE GROUND HANG-UP SIG HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT REAR TRIM PANEL SPEAKER LEFT STEERING WHEEL CONTROLS SWITCH LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH NCA WIRE NETWORK RECOGNITION RED/YEL WIRE RIGHT RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER SPEAKER RIGHT FRONT DOOR WOOFER SPEAKER RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR TRIM PANEL SPEAKER SEEK DOWN SEEK UP SEL SIG STEERING WHEEL AIR BAG COIL SWC FUSE UP LEFT VIO WIRE VIO/BRN WIRE VOICE VOL (-) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY 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 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 RIGHT 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 SEEK 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 RIGHT REAR TRIM PANEL SPEAKER SEEK UP SEL SIG STEERING WHEEL AIR BAG COIL SWC FUSE VOICE VOL (-) WHT/BLK WIRE YEL/BRN WIRE

ACTU HI CTRL BATT+ VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BUS 12 CAMSHAFT LO REF 1 COMPUTER DATA LINES SYSTEM COOLANT TEMP LO REF CRANK SENS SIG CRANK SENS VOLT CRANK SHAFT LO REF CTRL 1 CTRL CYLINDER 1 CTRL CYLINDER 2 CTRL CYLINDER 3 CTRL CYLINDER 4 CTRL CYLINDER 5 CTRL CYLINDER 6 CTRL CYLINDER 7 CTRL CYLINDER 8 DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE FUEL IND FUEL PUMP LO CTRL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE IGN 1 VOLT IGN CTRL (1) IGN CTRL (2) IGN CTRL (3) IGN CTRL (4) IGN CTRL (5) IGN CTRL (6) IGN CTRL (7) IGN CTRL (8) IND CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INTAKE SENSOR 1 INTAKE SOL (1) LO REF BANK 1 LO REF BANK 2 LOGIC MALFUNCTION LAMP IND NCA WIRE NETWORK OIL LEVEL IND OIL PRESS LO REF OIL PRESS SENS SIG RED/GRY WIRE RUN/CRANK SER DATA SIG GND SOLENOID CTRL 3 SOLENOID CTRL 4 SPARK PLUG TEMP SENS SIG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE