Chevrolet Silverado GMT K2XX facelift (2015-2019) lo ref Wiring diagrams

6.0L 6.0L 6.6L A/C CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RELAY A/C PRESS 5 VOLT REF 1 A/C REFRIGERANT PRESS SENS LO REF A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AC CLTCH FUSE AMBIENT AIR TEMP SENS LOW REF AMBIENT AIR TEMPERATURE SENSOR AMBT AIR TEMP SENS SIG B+ VOLT BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE COOL FAN 2 FUSE COOL FAN CLTCH FUSE COOLING FAN 5 VOLT REF COOLING FAN CONTROL MODULE (6.6L) COOLING FAN LOW REF COOLING FAN RELAY COOLING FAN SPEED SIG CTRL SIG DK BLU WIRE DK BLU/GRY WIRE ENG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR GRN WIRE GRY WIRE GRY/RED WIRE HI COOLING FAN RLY CTRL HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES LEFT COOLING FAN MOTOR (4.3L, 6.2L, 5.3L) LO REF LOGIC B+ LOW REF MIRROR AMBIENT AIR TEMPERATURE SENSOR OUTSIDE AMBIENT AIR TEMP SENS LOW REF PASSENGER OUTSIDE REAR VIEW MIRROR RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (4.3L, 6.2L, 5.3L) RLY SPD SIG SIG GND OUTSIDE AMBIENT AIR SENS SIG SPD SIG TCM/ECM FUSE UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE WHT/GRY WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA 9 (+) DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW SWITCH GMLAN SERIAL GREEN LED GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HEATED STEERING WHEEL CONTROL MODULE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK IPC IGN/SDM IGN FUSE KEYPAD KEYPAD RED WIRE LED LED DISABLE SIG LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LO REF LOGIC LT GRN/YEL WIRE OUTSIDE REAR VIEW MIRROR SWITCH PARKING ASSIST CONTROL MODULE PASSENGER AIR BAG DISABLED INDICATOR PASSENGER DOOR LOCK SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA STEERING WHEEL AIR BAG COIL SWC BKLT FUSE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/WHT WIRE W/ ACCESSORY STEERING WHEEL CONTROL WHT WIRE WHT/GRN WIRE WHT/LT GRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

4.3L/ 5.3L 6.0L 6.0L 6.6L A/C CLUTCH RLY CTRL A/C COMPRESSOR CLUTCH RELAY A/C PRESS 5 VOLT REF 1 A/C REFRIGERANT PRESS SENS LO REF A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AC CLTCH FUSE AMBIENT AIR TEMP SENS LOW REF AMBIENT AIR TEMPERATURE SENSOR AMBT AIR TEMP SENS SIG B+ VOLT BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE COOL FAN 2 FUSE COOL FAN CLTCH FUSE COOLING FAN 5 VOLT REF COOLING FAN CONTROL MODULE (6.6L) COOLING FAN LOW REF COOLING FAN RELAY COOLING FAN SPEED SIG CTRL SIG DK BLU WIRE DK BLU/GRY WIRE ENG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR GRN WIRE GRY WIRE GRY/RED WIRE HI COOLING FAN RLY CTRL HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES LEFT COOLING FAN MOTOR (4.3L, 5.3L) LO REF LOGIC B+ LOW REF MIRROR AMBIENT AIR TEMPERATURE SENSOR PASSENGER OUTSIDE REAR VIEW MIRROR RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (4.3L, 5.3L) RLY SPD SIG SIG GND OUTSIDE AMBIENT AIR SENS SIG OUTSIDE AMBIENT AIR TEMP SENS LOW REF SPD SIG TCM/ECM FUSE UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE WHT/GRY WIRE

ASSIST STEP CONTROL MODULE BATT POS VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISABLE SIG DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ELC RNG BDS FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTIFUNCTION SWITCH LEFT ASSIST STEP LEFT ASSIST STEP KICK SWITCH LH 5 VOLT REF LH LO REF LH SIG (-) LO REF LO SPEED GMLAN SERIAL DATA LOGIC LOW SPEED SERIAL DATA 2 MTR LH CTRL EXTEND MTR LH CTRL RETRACT MTR RH CTRL EXTEND MTR RH CTRL RETRACT NCA WIRE RED/YEL WIRE RH 5 VOLT REF RH LO REF RH SIG (-) RIGHT ASSIST STEP RIGHT ASSIST STEP KICK SWITCH SW SIG LH SW SIG RH UNDERHOOD FUSE BLOCK VIO WIRE VIO/RED WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AIR TEMP SENS SIG AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAM PAS SENS SIG CHARGE IND CTRL CRANKSHAFT POSITION SENS REPLICATED SIG DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH FUEL INJECTION PUMP FUEL PRESSURE, TEMPERATURE SENSOR FUEL PUMP PRIME CTRL FUEL RAIL PRESS GEN DUTY CYCLE SIG GRY WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HUMIDITY SENS SIG INPUT SIG KNOCK SENS LO REF 1 KNOCK SENS LO REF 2 P/N SW SIG KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 LO REF LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MAF SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENS LO REF MAP SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE OIL LVL SW SIG OIL PUMP COMMAND SIG PURGE SOL CTRL RED WIRE SIG GND SPD SENS SIG STARTING/CHARGING SYSTEM TAC CTRL OPN TAC MTR CTRL TEMP SENS LO REF TPS LO REF TRANSMISSIONS SYSTEM VIO WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE

AIR TEMP SENS SIG AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAM PAS SENS SIG CHARGE IND CTRL CRANKSHAFT POSITION SENS REPLICATED SIG DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH FUEL INJECTION PUMP FUEL PRESSURE, TEMPERATURE SENSOR FUEL PUMP PRIME CTRL FUEL RAIL PRESS GEN DUTY CYCLE SIG GRY WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HUMIDITY SENS SIG INPUT SIG KNOCK SENS LO REF 1 KNOCK SENS LO REF 2 P/N SW SIG KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 LO REF LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MAF SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENS LO REF MAP SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE OIL LVL SW SIG OIL PUMP COMMAND SIG PURGE SOL CTRL RED WIRE SIG GND SPD SENS SIG STARTING/CHARGING SYSTEM TAC CTRL OPN TAC MTR CTRL TEMP SENS LO REF TPS LO REF TRANSMISSIONS SYSTEM VIO WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE