Chevrolet Tahoe IV (2014-2021) computer data lines system Wiring diagrams

"CHECK ENGINE" IND CTRL A/C CLUTCH RLY CTRL A/C PRESS LOW REF A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL LOW REF 1 ACCELERATOR PEDAL LOW REF 2 ACCELERATOR PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SIG 1 AIR CONDITIONING SYSTEM AIR TEMPERATURE SENS SIG BATT POSITIVE VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRAKE PEDAL POSITION SENSOR BRAKE SENS LOW REF BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL LEVEL SENS SIG FUEL LINE PRESS SENS SIG FUEL PRESS LOW REF FUEL PRESSURE SENSOR FUEL PUMP CONTROLLER DATA OUT SIG FUEL RAIL PRESS SENS SIG FUEL TANK PRESS SENS SIG FUEL TEMPERATURE/COMPOSITION SIG FUSE SPLY 3 FUSED SPLY 1 FUSED SPLY 2 GMLAN SER DATA - (1) GMLAN SER DATA 3 GRN WIRE GRN/WHT WIRE GRY WIRE HIGH SPEED COOLING FAN RLY CTRL POWERTRAIN RLY COIL CTRL RED/BRN WIRE RED/GRN WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RLY CTRL STARTING/CHARGING SYSTEM THROTTLE PRESSURE SENS SIG VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WAKE-UP SER DATA WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

ACCELERATOR PEDAL POSITION SENSOR ACTIVE GRILLE AIR SHUTTER 1 MOTOR MODULE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ECM IGN FUSE ENGINE CONTROL MODULE WAKE-UP RELAY FPPM FUSE FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK ASSEMBLY FUEL TANK PRESSURE SENSOR GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IPC FUSE IPC IGN/SDM IGN FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC POWER DISTRIBUTION SYSTEM PRIME RELAY FUSE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ECM FUSE ECM/TCM FUSE ENG FUSE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE SENSOR FUEL COMPOSITION SENSOR FUEL PUMP CRTL FUEL PUMP DATA OUT SIG FUEL PUMP DRIVER CONTROL MODULE (ABOVE SPARE TIRE) FUEL SYSTEM SHIELD FUSE 2 FUSE SPLY 5 GMLAN SER DATA 3 GRY WIRE GRY/BRN WIRE HIGH PRESSURE FUEL PUMP HOT AT ALL TIMES INJ A ODD FUSE INJ B EVEN FUSE LOW REF RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RUN/CRANK IGN 1 VOLT TEMP/COMPOSITION SIG THROT CONT FUSE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WAKE-UP SER DATA WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/WHT 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