Chevrolet Tahoe IV (2014-2021) underhood fuse 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

6.2L AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LP RLY CTRL BACKUP LP SPLY VOLT BATT POS VOLT BATTERY FUSE BLOCK BCK UP LP FUSE BCM 5 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHEVROLET, GMC CADILLAC W/ REAR VIEW CAMERA W/O REAR VIEW CAMERA 5.3L, 6.2L 6.0L COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT OF ENGINE COMPT) FUSE 2 GMLAN SER DATA - (1) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IMS MODE SWITCH LOW REF INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK LEFT BACKUP LAMP LEFT INSTRUMENT PANEL FUSE BLOCK LEFT TAIL LAMP ASSEMBLY PARK/NEUTRAL SIG (1) POWER DISTRIBUTION SYSTEM PPL PRNDL B SIGNAL PRNDL C SIGNAL PRNDL P SIGNAL TRANSMISSION POS SENSOR PRNDL S SIGNAL PRNDL A SIGNAL REAR VIEW CAMERA RED WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE REV LP FUSE RIGHT BACKUP LAMP RIGHT TAIL LAMP ASSEMBLY SIG A SIG B SIG C SIG P TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION POS SENSOR TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BATTERY FUSE BLOCK BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE CHEVROLET CHEVROLET GMC 5.3L, 6.2L 6.0L DK BLU WIRE DK GRN WIRE FUSE 2 GMC GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT BACKUP LAMP LEFT LOWER STOP/ TURN SIGNAL LAMP LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL LAMP MULTI-FUNCTION LED CONTROL MODULE LEFT UPPER STOP/ TURN SIGNAL LAMP LOGIC POWER DISTRIBUTION SYSTEM PPL RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU 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

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE CENTER HIGH MOUNTED STOP LAMP CHEVROLET GMC W/ LUXURY EDITION PACKAGE W/O LUXURY EDITION PACKAGE FROM TRAILER BACKUP LAMPS RELAY DIAGRAM (3 OF 6) GMC GRN WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE LOGIC PARK LAMPS RELAY PRK LP LT FUSE PRK LP RT FUSE PRK LP TRLR FUSE RED WIRE RIGHT FRONT PARK LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT PARK/DAYTIME DAYTIME RUNNING LAMP TRAILER CONNECTOR UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE YEL 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

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 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

BACKUP LAMPS CIRCUIT BATTERY FUSE BLOCK BATTERY POS VOLT BCM 1 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 2 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL JUNCTION BLOCK LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LH TRAILER TURN SIG LAMP CTRL PARK LAMPS RELAY POLICE PROVISION (BLUNT CUT) PRK LP TRLR FUSE RED WIRE RED/GRN WIRE RED/WHT WIRE RH TRAILER TURN SIG LAMP CTRL RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY TRAILER BRAKE POWER CONTROL MODULE TRAILER BRAKE PROVISION (BLUNT CUT) TRAILER BRK APLY SIG TRAILER CONNECTOR TRLR BATT FUSE TRLR BRK FUSE TRLR STOP TRN LT FUSE TRLR STOP TRN RT FUSE UNDERHOOD FUSE BLOCK VIO WIRE W/ SPECIAL SERVICE SALES PACKAGE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRY 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