Chevrolet Tahoe IV (2014-2021) tow/haul mode switch 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

AUXILIARY HVAC CONTROLS BLK WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS DATA LINK CONNECTOR DRIVER SEAT HEATING, COOLING SWITCH FORWARD ADJUSTABLE PEDAL RELAY GMC/ CHEVROLET HEADLAMP SWITCH HEADUP DISPLAY HEADUP DISPLAY SWITCH HVAC CONTROL MODULE IGNITION MAIN RELAY IGNITION MODE SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT FRONT FLOOR ACCENT LAMP LEFT INSTRUMENT PANEL FUSE BLOCK NCA WIRE PARK BRAKE CONTROL SWITCH PARK POSITION SWITCH PASSENGER SEAT HEATING, COOLING SWITCH REARWARD ADJUSTABLE PEDAL RELAY RETAINED ACCESSORY POWER RELAY 1 SERIAL DATA GATEWAY MODULE STEERING COLUMN POSITION CONTROL MODULE STEERING WHEEL ANGLE SENSOR TOW/HAUL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH UP/DOWN TRANSMISSION MANUAL SHIFT SWITCH W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE W/ FRONT COOLING, HEATING SEATS WHT WIRE WINDSHIELD WIPER MOTOR