Chevrolet Tahoe IV (2014-2021) (left side of engine block) Wiring diagrams

ACC WAKEUP SER DATA AUTOMATIC TRANSMISSION ASSEMBLY B+ 5 6 GND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA DRIVER INFORMATION CENTER DISPLAY ECM/TCM FUSE ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA BUS (+) 1 HI SPD GMLAN SERIAL DATA BUS (-) 1 IGNITION 1 VOLTAGE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC NCA WIRE O/P SPD HI INPUT SIG O/P SPD HIGH INPUT SIG OUT OF PARK SIG P/N PARK/NEUTRAL SIG PARK/NEUTRAL SIG (1) PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID POWER DISTRIBUTION SYSTEM PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 PRK ENBL/EAP FUSE RED WIRE RED/GRN WIRE SEATS SYSTEM SHIFT SELECT SW PERFORMANCE SIG SHIFT SOLENOID VALVE 1 SHIFT SOLENOID VALVE 2 SIG A SIG B SIG C SIG P SS 1 SS 2 TAP UP/TAP DOWN SW SIG TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TOW/HAUL MODE SWITCH TRANS IGN FUSE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH UP/DOWN TRANSMISSION SHIFT LEVER TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION PARK POSITION RELAY UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

BCK UP LP FUSE BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE CHEVROLET CHEVROLET/ GMC GMC GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE J124 (5.3L, 6.2L) J123 (6.0L) LOGIC PPL RED WIRE RED/GRN WIRE RIGHT BACKUP LAMP RIGHT LOWER STOP/ TURN SIGNAL LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL LAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT UPPER STOP/ TURN SIGNAL LAMP TO PARK LAMPS RELAY DIAGRAM (4 OF 6) TRAILER BACKUP LAMPS RELAY UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

BATT POS VOLT BATTERY FUSE BLOCK BCM 1 FUSE BCM 2 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE COIL SPLY VOLT COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FLUID IND CTRL FRT WSW FUSE FT WIPER SW HI SIG FUSE 2 GMLAN SERIAL DATA - 1 GRN/BRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LO PULSE LOGIC LOW REF MIST MOTOR PARK SW SIG NETWORK BUS 1 OFF POWER DISTRIBUTION SYSTEM PULSE RAIN SENSOR MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA SPARE/RAIN SNSR FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HI SIG WIPER SW LO SIG WIPER SWITCH WPR FUSE YEL/BLU WIRE YEL/BRN WIRE

5.3L, 6.2L 5.3L, 6.2L 6.0L 6.0L AJAR SW SIG AJAR SW SIG 1 AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH BRK FLUID LEVEL BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENS SIG FUEL LEVEL SENSOR FUEL PRESS LOW REF FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK ASSEMBLY GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE INSTRUMENT PANEL JUNCTION BLOCK LIFTGATE LATCH ASSEMBLY LIFTGATE WINDOW LATCH ASSEMBLY LOGIC LOGIC RIGHT REAR WINDOW SWITCH NETWORK BUS 3 NETWORK BUS 4 OIL LVL SW SIG OIL PRESS LO REF OIL PRESS SENS SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR PRK BRK SW RIGHT REAR DOOR LATCH ASSEMBLY SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY VIO/GRY WIRE W/O POWER LIFTGATE WHT WIRE WHT/RED WIRE YEL/BRN WIRE

AUXILIARY BATTERY AUXILIARY BATTERY FUSE BLOCK AUXILIARY BATTERY RELAY 1 AUXILIARY BATTERY RELAY 2 BLK WIRE BLU WIRE BODY CONTROL MODULE CONFIGURABLE PROVISION RELAY 1 CONFIGURABLE PROVISION RELAY 2 CONFIGURABLE PROVISION RELAY 3 CONFIGURABLE PROVISION RELAY 4 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) FROM HEADLAMP HIGH BEAM RELAY (DIAGRAM 2 OF 10) FROM TRANS IGN FUSE (DIAGRAM 2 OF 10) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 10) FUSE 1 FUSE 2 GRN/GRY WIRE GRY/BLK WIRE INSTRUMENT PANEL JUNCTION BLOCK POLICE PROVISION (BLUNT CUT) RC UPFIT 1, 2 FUSE RC UPFIT 3, 4 FUSE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK UPFIT 1 FUSE UPFIT 2 FUSE UPFIT 3 FUSE UPFIT 4 FUSE VBAT UPFIT 1, 2 FUSE VBAT UPFIT 3, 4 FUSE VIO/BRN WIRE W/ FULL FEATURE CENTER W/ FRONT COMPARTMENT CONSOLE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

5.3L, 6.2L 6 SPEED A/T 6.0L 6.0L 5.3L, 6.2L 8 SPEED A/T A/C COMPRESSOR CLUTCH RELAY A/C CONTRL FUSE ABS PUMP FUSE ABS VLV FUSE AERO SHUTTER FUSE AHA RVC FUSE ALC RUN/ CRANK FUSE AUXILIARY CHASSIS CONTROL MODULE BLK WIRE BODY CONTROL MODULE COOL FAN LT FUSE COOL FAN RT FUSE ECM IGN FUSE ECM/TCM FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE CONTROLS MODULE WAKE-UP RELAY EVAPORATIVE EMISSION VENT SOLENOID VALVE FPPM FUSE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 10) FRONT AXLE ENGAGEMENT ACTUATOR FRONT FOG LAMP RELAY FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP FUSE FUEL PUMP RELAY GRN/VIO WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HORN RELAY ICCM FUSE IGNITION MAIN RELAY INT HTR AUX FUSE LEFT COOLING FAN MOTOR LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY MISC IGN SPARE FUSE PARK LAMPS RELAY POLICE PROVISION (BLUNT CUT) REAR WINDOW WASHER PUMP RELAY RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COOLING FAN MOTOR RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY SEC FUEL PUMP FUSE SECONDARY FUEL PUMP RELAY STARTER RELAY STRTR FUSE TO AUXILIARY BATTERY RELAY 2 (DIAGRAM 10 OF 10) TO CONFIGURABLE PROVISION RELAY 4 (DIAGRAM 10 OF 10) TO LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 1 OF 10) TO LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 10) TO RC UPFIT 3, 4 FUSE (DIAGRAM 10 OF 10) TO REAR BODY FUSE BLOCK (DIAGRAM 9 OF 10) TRAILER BACKUP LAMPS RELAY TRANS IGN FUSE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK VEHICLE LEVEL CONTROL COMPRESSOR RELAY VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE W/ HID WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WPR FUSE

BATT POS VOLT BATTERY FUSE BLOCK BCM 5 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM FUSE 15 FUSE 2 GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/WHT WIRE GROUND HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LINEAR INTERCONNECT NETWORK BUS 4 LOGIC POWER DISTRIBUTION SYSTEM REAR BODY FUSE BLOCK REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR (LIFTGATE ASSEMBLY) RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RR WSW FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK WASHER RLY CTRL WHT WIRE WIPER SW SIG

5.3L, 6.2L 5.3L, 6.2L 6.0L 6 SPEED A/T 6.0L 8 SPEED A/T AUTOMATIC TRANSMISSION ASSEMBLY BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA ECM FUSE ENGINE CONTROL MODULE GM LAN HI SPD SER GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED IGN MODE IGNITION MODE SWITCH (W/ KEYLESS ACCESS) IGNITION SWITCH IMS MODE SW RETURN INSTRUMENT PANEL JUNCTION BLOCK KEY-IN IGNITION SWITCH LOW REF OFF OFF/ RUN/ CRANK/ VOLT P/N SIG PARK POSITION SWITCH PARK SOL SIG CTRL RED WIRE RELAY FUSED SPLY 1 RIGHT INSTRUMENT PANEL FUSE BLOCK RUN WIRE SEN SIG SEN SPLY VOLT STOP LAMP TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE W/ KEYLESS ACCESS W/O KEYLESS ACCESS WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/WHT WIRE

5.3L 5.3L, 6.2L 6 SPEED A/T 8 SPEED A/T 5.3L, 6.2L 6.0L 6.0L AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ECM IGN FUSE ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) FUSE 2 GMLAN SERIAL DATA - 1 GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN KEY SIG IGN MODE SW IGNITION MODE SWITCH IGNITION SWITCH INSTRUMENT PANEL JUNCTION BLOCK J126 (5.3L) J127 (6.0L) OFF OFF/RUN/CRANK VOLT RED WIRE RED/GRN WIRE RED/YEL WIRE RUN WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RELAY CTRL STARTER MOTOR STARTER RELAY STRTR FUSE TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

2 HI IND CTRL 2 SPEED 4 HI IND CTRL 4 LO IND CTRL 5 VOLT REF ACCY WAKEUP SERIAL DATA AWD IND CTRL BATT + BLK WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRV SW SIG FRONT AXLE ENGAGEMENT ACTUATOR FRT AXLE ACTUATOR CTRL GEAR POSITION SENSOR GMLAN SERIAL DATA - 1 GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INCRMT ENCDR SENS LOW REF INCRMT ENCODER DIR SIG INCRMT ENCODER IMPULSE SIG INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK J124 (5.3L, 6.2L) J123 (6.0L) LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC MISC RUN/ CRNK FUSE MTR CLOCKWISE CTRL MTR COUNTER CLOCKWISE CTRL NEUTRAL IND CTRL POWER DISTRIBUTION SYSTEM RED/GRY WIRE ROTARY POS SENS LOW REF ROTARY POS SENS SIG RUN/CRANK IGN 1 VOLT SERIAL DATA TRANS IGN FUSE TRANSFER CASE CONTROL MODULE TRANSFER CASE LOCK SOL CTRL UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHEEL LOCK IND WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE