Chevrolet Silverado GMT K2XX facelift (2015-2019) blu/gry Wiring diagrams

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE FROM AUTOMATIC TRANSMISSION ASSEMBLY (DIAGRAM 1 OF 2) FTP SWITCH 1 VOLTAGE FTP SWITCH 3 VOLTAGE FTP SWITCH 4 VOLTAGE FTP SWITCH 5 VOLTAGE GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE INPUT SPEED SENSOR SIG ISS/OSS SUPPLY VOLTAGE NCA WIRE OUTPUT SPEED SENSOR SIG RED WIRE SHIFT TAP UP/ TAP DOWN SW SIG TOW/ HAUL MODE SWITCH TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER VIO/YEL WIRE WHT WIRE YEL WIRE

ACC WAKEUP SER DATA BATT POSITIVE VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL CLUTCH G CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY DRIVER SIG 1 DRIVER SIG 2 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMS MODE SW RETURN INPUT SPD SIG INSTRUMENT CLUSTER LO SPD GMLAN SER DATA 2 LOGIC NCA WIRE OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM PRNDL A SIG PRNDL B SIG PRNDL C SIG PRNDL P SIG PRNDL S SIG RED/GRN WIRE RUN/CRANK IGN 1 VOLT SENS LO REF SIG GND SW PERFORMANCE SIG TAP UP/TAP DOWN SW SIG TCC ON/OFF SOL A CTRL TCC ON/OFF SOL B CTRL TCM/ ECM FUSE TEMPERATURE SENS SIG TOW/ HAUL MODE SWITCH TRANS CLUTCH H CTRL TRANS IGN FUSE TRANS INTERMEDIATE SPD SIG TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

5 VOLT REF 5 VOLT REF (1) TRACTION CTRL SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS ANTI-LOCK BRAKES, HEADLIGHTS, INSTRUMENT CLUSTER SYSTEMS BACKUP LAMP RLY CTRL BATT POSITIVE VOLT BATTERY POSITIVE VOLTAGE BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 5 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CARGO LAMP SW SIG CHILD LOCKOUT INDICATOR CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS LOW REF DIMMER SW LOW REF DIMMER SW SIG DK BLU WIRE DK BLU/VIO WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS DRV DR LOCK SW LOCK SIG DRV DR LOCK SW UNLCK SIG EXHAUST BRAKE SW SIG SECURITY LOCK RLY CTRL EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS FOG LAMP RLY CTRL FRONT FOG LAMP SW SIG GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HAZARD SWITCH SIG HEADLAMP OFF SIG CTRL HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HIGH BEAM RLY CTRL HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INDICATOR DIMMING CTRL INTERIOR LAMP DEFEAT SW SIG LED BACKLIGHT DIMMING CTRL LEFT INSTRUMENT PANEL FUSE BLOCK LEFT TRAILER TURN SIG LAMP LIGHTING CONTROL 2 LT GRN/GRY WIRE NETWORK BUS 4 OUT OF PARK SIG PARK BRK SW SIG PARK LAMP RLY CTRL POWER DISTRIBUTION SYSTEM INTERIOR LIGHTS SYSTEM RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/LT GRN WIRE RED/VIO WIRE RED/WHT WIRE REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR RTN REMOTE FUNCTION ACTR TRANSMIT SIG RIGHT FRONT DRL CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TRAILER TURN SIG LAMP RUN IGNITION 3 VOLT SEATS SYSTEM SECURITY INDICATOR CONTROL SENS LOW REF SERIAL DATA (+) (1) REMOTE FUNC ACTR RECEIVE SIG SERIAL DATA (-) (1) STARTING/CHARGING SYSTEM STOP LAMP SW SIG STOP/TURN LAMP CTRL TRAILER BRAKE APPLY SIG TURN SIGNAL LAMP CTRL VIO/BRN WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WIPER SW HIGH SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE

12 VOLT REFERENCE A/C CMPRSR MDL/BATT RVC FUSE ACCESSORY VOLT ACCESSORY WAKEUP SER DATA ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM WIPER/WASHER SYSTEM CTRL SW SIG CURRENT SENS CTRL CURRENT SENS SIG DIMMER SW HIGH BEAM SIG DK BLU WIRE DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK CONTROL DOOR LOCK CTRL 2 DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS DRIVER DOOR LOCK MTR STATUS ELECTRONIC MUFFLERS SYSTEM EXHAUST BRAKE SW CTRL EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS GAP UP/DOWN SW SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SW LEFT TURN SIG HAZARD SWITCH RIGHT TURN SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HI SPEED GMLAN SER DATA (-) 1 HOOD AJAR SW SIG HORN SW SIG HOT AT ALL TIMES IGNITION KEY RESISTOR SIG IGNITION SWITCH IMMOBILIZER RETURN IMMOBILIZER SUPPLY VOLT INADVERTENT POWER CTRL INTERIOR LP CTRL KEY-IN IGNITION SWITCH LED AMBIENT LIGHTING CTRL LED BACK LT DIMMING CTRL LEFT FRONT DOOR AJAR SW SIG WIRELESS CHARGING SYSTEM CHARGE IND CTRL LF DRL CTRL LH DETECTION SIG LH HDLMP LOW BEAM CTRL LIN BUS 3 LIN INTERCONNECT NTWRK BUS 2 LIN INTERCONNECT NTWRK BUS 3 LOCK CTRL LOCK SW SIG 16 17 TRAILER BRAKE APPLY SIG LOW REFERENCE LOW SPEED GMLAN SERIAL DATA LT GRN WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE MOTOR STATUS SIG NETWORK BUS 11 NETWORK BUS 5 OFF OFF/RUN/CRANK VOLT PASS SEAT VENT MTR CTRL 1 POWER DISTRIBUTION SYSTEM PUDDLE LAMP CTRL RAP RELAY COIL CTRL REAR LICENSE LP CTRL RED/YEL WIRE RELAY COIL SUPPLY VOLT RF DOOR AJAR SW SIG RF TURN SIG LP CTRL RH DETECTION SIG RH HDLMP LOW BEAM CTRL RR LK MTR STATUS SIG RR TURN SIG LP CTRL RUN WIRE RUN/CRANK IGNITION 1 VOLT RUN/CRANK RELAY COIL CTRL SEATS SYSTEM SELECT SW PERFORMANCE SIG SERIAL DATA COMM ENABLE SET/COAST/RESUME/ ACCELERATE SW SIG SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK SYSTEM SIG GROUND STANDING LAMP RLY CTRL STARTING/CHARGING SYSTEM STOP LP RLY COIL CTRL TAP UP/TAP DOWN SW SIG TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK UNLOCK CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW SIG WIPER MTR PARK SW SIG WIPER SW HIGH SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 BASE UP LEVEL 3 MID LEVEL 1 3 (+) 7 UP LEVEL W/O ONSTAR 8 W/ LANE ASSIST 9 W/O LANE ASSIST BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE COMM ENABLE DATA (-) 8 DATA 1 (+) DATA 2 (+) DATA 9 (+) DK BLU WIRE DK BLU/YEL WIRE EXCEPT UP LEVEL W/ ONSTAR UP LEVEL W/ ONSTAR 6 EXCEPT UP LEVEL W/O ONSTAR GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE HI DATA (+) 8 LO SPD DATA HI DATA (+) 9 HI DATA (-) 8 HI SPD SER HIGH SPEED EXTENSION BUS 1 TERMINATING RESISTOR HIGH SPEED EXTENSION BUS 2 TERMINATING RESISTOR LO SPD DATA LO SPD DATA 2 LT GRN WIRE LT GRN/WHT WIRE RED/VIO WIRE SIG GND TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/YEL WIRE W/ LANE ASSIST W/O LANE ASSIST W/O W/ ONSTAR ONSTAR WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

BATT POS VOLT BLK WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMM ENABLE COMPUTER DATA LINES SYSTEM DISABLE SW SIG LOW SPD GMLAN SER DATA DK BLU WIRE GRN WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA (+) 1 HIGH SPD GMLAN SER DATA (+) 8 HIGH SPD GMLAN SER DATA (-) 8 HIGH SPD SER DATA (-) 8 HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPT WARN IND CTRL RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK USB/OBS DET FUSE WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/BLK WIRE DK BLU/YEL WIRE ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GROUND GRY/BLK WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/GRN WIRE GRY/VIO WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPKR LF SPKR 1 (-) LR SPKR LT GRN WIRE LT GRN/BLK WIRE LT GRN/BRN WIRE MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 SIG MOST CONTROL NCA WIRE REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/YEL WIRE REPLICATED SIG RF SPEAKER (+) LH/RR SUBWOOFER SPKR (+) MICROPHONE 3 LOW REF RF SPEAKER (-) RH SUBWOOFER SPKR (-) RF SPKR RF SPKR 1 (-) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPKR SERIAL DATA SUBWOOFER SPEAKER VIO/BRN WIRE VIO/DK BLU WIRE W/ PREMIUM WHT WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE

AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/BLK WIRE DK BLU/YEL WIRE ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GROUND GRY/BLK WIRE GRY/BRN WIRE GRY/DK BLU WIRE GRY/GRN WIRE GRY/VIO WIRE LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPKR LF SPKR 1 (-) LR SPKR LT GRN WIRE LT GRN/BLK WIRE LT GRN/BRN WIRE MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 SIG MOST CONTROL NCA WIRE REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/YEL WIRE REPLICATED SIG RF SPEAKER (+) LH/RR SUBWOOFER SPKR (+) MICROPHONE 3 LOW REF RF SPEAKER (-) RH SUBWOOFER SPKR (-) RF SPKR RF SPKR 1 (-) RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPKR SERIAL DATA SUBWOOFER SPEAKER VIO/BRN WIRE VIO/DK BLU WIRE W/ PREMIUM WHT WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE

2 HI IND CTRL 4 HI IND CTRL 4 LO IND CTRL ACCY WAKEUP SERIAL DATA ACCY/ RUN CRNK FUSE AWD IND CTRL BATT + BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVE SW SIG DRIVER INFORMATION CENTER ASSEMBLY FRONT AXLE ACT CTRL FRONT AXLE ENGAGEMENT ACTUATOR FT 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 IGN 1 VOLT INCREMENTAL ENCDR SENS RTN INCREMENTAL ENCDR SENS SPLY INCRMT ENCODER DIR SIG INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC MTR CLOCKWISE CTRL MTR COUNTER CLOCKWISE CTRL NEUTRAL IND CTRL POWER DISTRIBUTION SYSTEM RED/GRY WIRE ROTARY POS IMPULSE SIG ROTARY POS SENS RTN ROTARY POS SENS SIG RUN/CRANK IGN 1 VOLT SERIAL DATA (-) (1) 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/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

2 HI 2-HI IND 4 HI 4-HI IND 4-LO IND AUTO BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CTRL DATA 1 (+) DK BLU WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/RED WIRE IGN 3 ILL IND DIMMER NEUT 4 LO NEUTRAL IND POWER DISTRIBUTION SYSTEM RED/GRY WIRE SERIAL TRANSFER CASE MOTOR TRANSFER CASE SHIFT CONTROL SWITCH VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE