Chevrolet Silverado GMT K2XX facelift (2015-2019) cooling fans system Wiring diagrams

6.0L 6.6L ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND (IF EQUIPPED) BRK FLUID LVL SENS SIG BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CHARGE GAUGE CHARGE IND CHK ENG IND CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE IND DISPLAY DK BLU WIRE DPF WARNING IND DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL LEVEL GAUGE ENGINE OIL LEVEL SWITCH ESC IND ESC OFF IND EXCEPT BASE EQUIPMENT FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE FUEL PUMP DRIVER CONTROL MODULE GMLAN SERIAL DATA - 1 GRN/BRN WIRE GRN/GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HIGH BEAM LAMP IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL IND INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE IPC IGN/ SDM IGN FUSE KM/H IND LANE DEPARTURE WARNING IND LEFT INSTRUMENT PANEL FUSE BLOCK LEFT TURN IND LEVEL SENS SIG LIGHTS ON IND LOCAL INTERCONNECT NETWORK BUS 12 LOGIC LOW COOLANT LVL IND CTRL LOW FUEL IND LOW REF LOW SPD GMLAN SERIAL DATA LOW WASHER FLUID IND CTRL OUTSIDE AMBIENT AIR TEMP SENS LOW REF LT GRN/BLK WIRE MALFUNCTION IND MOST CONTROL MOST SERIAL DATA (+) MPH IND NAVIGATION SYSTEM OUTSIDE AMBIENT AIR TEMP SENS SIG PARK BRAKE SWITCH PARK LAMPS IND POWER DISTRIBUTION SYSTEM PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY PTO IND RED/GRY WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT TURN IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SECURITY IND SERIAL DATA (-) 7 SIGNAL GROUND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL OFF IND VEHICLE AHEAD IND VIO WIRE VIO/BLK WIRE WAIT TO START IND WAIT TO START IND CTRL WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO WIRE WIPER/ WASHER SYSTEM

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS LOW REF A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SENS 2 SIG APP SENS SIG 1 BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DATA OUT SIG DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DOOR LOCKS SYSTEM ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FOUR WHEEL DRIVE LOW SIG FOUR WHEEL DRIVE WHEEL LOCK IND FUEL LEVEL SENS LOW REF FUEL LEVEL SENS SIG FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL RAIL PRESSURE SENS SIG FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR FUEL TEMP/COMPOSITION SIG GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE GRY/BLK WIRE HIGH SPD COOLING FAN RELAY CTRL HOOD OPEN SW SIG LT GRN WIRE LT GRN/WHT WIRE POWERTRAIN RELAY COIL CTRL PRESSURE SENS SIG RED/BRN WIRE RED/LT GRN WIRE RELAY FUSED SPLY 1 RELAY FUSED SPLY 2 RELAY FUSED SPLY 3 BRAKE APPLY SENS LOW REF RUN/CRANK IGNITION 1 VOLT STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SENS SIG (2) APP SENS SIG 1 BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DATA OUT SIG DK BLU WIRE DK BLU/WHT WIRE DOOR LOCKS SYSTEM ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FOUR WHEEL DRIVE LOW SIG FOUR WHEEL DRIVE WHEEL LOCK IND FUEL LEVEL SENS SIG FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL RAIL PRESSURE SENS SIG FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR FUEL TEMP/COMPOSITION SIG FUSED SPLY 3 BRAKE APPLY SENS LOW REF GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HIGH SPD COOLING FAN RELAY CTRL HOOD OPEN SW SIG LT GRN WIRE LT GRN/WHT WIRE POWERTRAIN RELAY COIL CTRL PRESSURE SENS LOW REF PRESSURE SENS SIG RED/BRN WIRE RED/LT GRN WIRE RELAY FUSED SPLY 1 RELAY FUSED SPLY 2 RUN/CRANK IGNITION 1 VOLT SENS LOW REF STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG APP LOW REF 1 APP LOW REF 2 APP SENS SIG (2) APP SENS SIG 1 BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE APPLY SENS SIG BRAKE APPLY SENS SPLY VOLT BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DATA OUT SIG DK BLU WIRE DK BLU/WHT WIRE DOOR LOCKS SYSTEM ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FOUR WHEEL DRIVE LOW SIG FOUR WHEEL DRIVE WHEEL LOCK IND FUEL LEVEL SENS SIG FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL RAIL PRESSURE SENS SIG FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR FUEL TEMP/COMPOSITION SIG FUSED SPLY 3 BRAKE APPLY SENS LOW REF GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HIGH SPD COOLING FAN RELAY CTRL HOOD OPEN SW SIG LT GRN WIRE LT GRN/WHT WIRE POWERTRAIN RELAY COIL CTRL PRESSURE SENS LOW REF PRESSURE SENS SIG RED/BRN WIRE RED/LT GRN WIRE RELAY FUSED SPLY 1 RELAY FUSED SPLY 2 RUN/CRANK IGNITION 1 VOLT SENS LOW REF STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

5-VOLT ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENSOR SIGNAL BRAKE SIGNAL BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CLUTCH RELAY CONTROL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DATA DK BLU WIRE DRIVE LOW SIGNAL ENGINE CONTROL MODULE ENGINE INDICATOR CTRL FLOW SENSOR SIGNAL FUEL PRESSURE REGULATOR 1 FUEL PUMP RLY CONTROL GMLAN SERIAL DATA (+) 7 GMLAN SERIAL DATA - 1 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/RED WIRE HUMIDITY SENSOR SIG INSTRUMENT PANEL JUNCTION BLOCK LOCK INDICATOR CTRL LOW REF LOW REFERENCE LOW REFERENCE (2) LT GRN WIRE LT GRN/BRN WIRE LT GRN/WHT WIRE PARK/NEUTRAL SIGNAL 1 PEDAL POSITION LOW REF 1 POSITION SIGNAL 1 POSITION SIGNAL 2 PRESSURE SENSOR SIGNAL PRIMARY RLY CONTROL RED/BRN WIRE REF RELAY COIL CONTROL RELAY FUSED SUPPLY 1 RELAY SPEED SIGNAL RUN/CRANK IGN 1 VOLTAGE SENSOR CONTROL SENSOR LOW REFERENCE SERIAL DATA (-) (1) SERIAL DATA (-) 7 SIGNAL GROUND START INDICATOR CONTROL STARTER ENABLE RLY CONTROL STARTING/CHARGING SYSTEM STOP LP SW SIG TEMPERATURE SENSOR SIGNAL TRANSMISSIONS SYSTEM VALVE HIGH CONTROL VALVE LOW CONTROL VIO/BLU WIRE VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE COOLING FANS SYSTEM DK BLU/GRY WIRE DK GRN WIRE ENGINE CONTROL MODULE FUEL HEATER/ WATER IN FUEL SENSOR FUEL PUMP CTRL FUEL SENSOR SIGNAL GMLAN SERIAL DATA (+) 7 GRN/GRY WIRE GROUND GRY WIRE GRY/LT GRN WIRE GRY/RED WIRE IGNITION 1 VOLTAGE LEVEL SENSOR SIGNAL LOW REF LOW REFERENCE LOW REFERENCE 1 LT GRN/LT BLU WIRE PRIMARY RELAY CTRL RED/VIO WIRE SENSOR 1 CTRL SENSOR 2 SIGNAL SENSOR 4 SIGNAL SENSOR 5 SIGNAL SENSOR SIGNAL SENSOR SIGNAL 1 SHIELD GROUND SPEED SIGNAL TEMP SENSOR 1 TEMP SENSOR 2 TEMP SENSOR 3 TEMPERATURE SIGNAL VIO/BRN WIRE VIO/GRN WIRE VIO/LT BLU WIRE VIO/LT GRN WIRE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE