GMC Sierra IV (2018-2022) blu/grn Wiring diagrams

AUTOMATIC TRANSMISSION ASSEMBLY BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE NCA WIRE ORG/ WIRE TRANSMISSION CONTROL SOLENOID VALVE 1 TRANSMISSION CONTROL SOLENOID VALVE 2 TRANSMISSION CONTROL SOLENOID VALVE 3 TRANSMISSION CONTROL SOLENOID VALVE 4 TRANSMISSION CONTROL SOLENOID VALVE 5 TRANSMISSION CONTROL SOLENOID VALVE 6 TRANSMISSION CONTROL SOLENOID VALVE 9 TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERMEDIATE SPEED SENSOR 1 TRANSMISSION INTERMEDIATE SPEED SENSOR 2 TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION RANGE SENSOR VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/VIO WIRE

AUDIO LOW REF AUDIO SIG + AUXILIARY AUDIO INPUT BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BN COAX CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM GND SIG GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF LVDS MICROPHONE SIG NCA WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA (+)9 SER DATA COMM ENABLE SERIAL DATA (-) 9 SERIAL DATA 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB RECEPTACLE VIO/YEL WIRE VT COAX W/ ONSTAR W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

BACK BACK- WARD BACKUP LAMP CTRL BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX 1-PU COAX COAX 2-PU COAX COAX BG COAX COAX CU COMPUTER DATA LINES SYSTEM FRONT WARD GRN/WHT WIRE GRY/GRN WIRE HOME HOT AT ALL TIMES LOGIC LOW SPEED GMLAN SERIAL DATA 2 LVDS MUTE NCA WIRE RADIO RED/WHT WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SERIAL DATA (-) 9 SERIAL DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK VIO/YEL WIRE W/ DIGITAL AUDIO SYSTEM W/ ONSTAR WHT/BLU WIRE WHT/GRN WIRE WLAN WIRELESS COMMUNICATION ANTENNA

1 PU 2 PU AUDIO LO REF AUDIO SIG + BACK BACK- WARD BATTERY POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BN COAX CELL CELL/GPS CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM FRONT WARD GND SIG GRN/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HOME HOT AT ALL TIMES LEFT FRONT MOBILE TELEPHONE MICROPHONE LO REF LOGIC LVDS MICROPHONE (-) LOW REF MICROPHONE SIG MUTE NCA WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA (-) 9 SERIAL DATA (+) 9 SERIAL DATA 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB VIO/YEL WIRE W/ ONSTAR W/ REAR HEATED SEATS W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE

AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE COAX COAX BG COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/GRN WIRE HOT W/ TRAILER BACKUP LAMP RELAY ENERGIZED LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LOGIC LOW SPEED GMLAN SERIAL DATA 2 NCA WIRE RADIO RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER SERIAL DATA (-) 9 SERIAL DATA (-)9 BACK UP LAMP CTRL SERIAL DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK USB USB RECEPTACLE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WLAN WIRELESS COMMUNICATION ANTENNA YEL WIRE YEL/BLK WIRE

ACC LED SIG ACCESSORY VOLTAGE ACTIVE SIGNAL BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE DATA LINK CONNECTOR ENGINE START/STOP SWITCH FROM RIGHT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 10) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 10) FUEL HEATER RELAY GRN/BLK WIRE IGN 1 VOLT IGN KEY IGN MODE SW IGN MODE SWITCH IGN VOLT 2 IGNITION MODE SWITCH (W/ KEYLESS START) IGNITION MODE SWITCH CHALLENGE ACTIVE SIGNAL IGNITION MODE SWITCH SIGNAL 2 IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE KEY-IN IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE MODE VOLT OFF OFF/RUN/CRANK PASSENGER PRESENCE MODULE PASSIVE START SWITCH 2 LOW REFERENCE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE REDUCTANT CONTROL MODULE RELAY 1 REDUCTANT CONTROL MODULE RELAY 2 RESISTOR SIGNAL RIGHT INSTRUMENT PANEL FUSE BLOCK RUN WIRE RUN/CRANK RUN/CRANK IGNITION 1 VOLTAGE START LED SIG TO IGNITION MAIN RELAY (DIAGRAM 8 OF 10) TRAILER BRAKE CONTROL SWITCH VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

1-RD 2-RD 6.6L VIN 7 6.6L VIN Y TURBO DIESEL 6.6L VIN Y TURBO DIESEL BACK- WARD BACKLIGHT LO REF BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/WHT WIRE CALL CELL CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM DIMMING CTRL DOWN ENGINE CONTROL MODULE FORWARD/ GPS/CELL GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOME HOT AT ALL TIMES INFO DISPLAY MODULE LOGIC LOW REF 7 LVDS LVDS CABLE MUTE NAVI DISPLAY DIMMING CTRL NCA WIRE PNK WIRE RADIO CONTROLS RADIO DISPLAY TOUCH RADIO DSPY BACKLIGHT RADIO KEYPAD BUTTON SIG RADIO KEYPAD DIMMING CTRL RADIO KEYPAD LOW REF RADIO KEYPAD POWER SIG RADIO KEYPAD PWR SIG RADIO KEYPAD VOLT REF RADIO KEYPAD VOLTAGE REF RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME DOWN SIG RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RADIO VOLUME UP SIG RADIO, DISPLAY RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH SEEK LEFT UP SEEK RIGHT/ SELECT TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/BLU WIRE VIO/WHT WIRE VOICE VOICE RECOGNITION AUDIO LOW REF VOICE RECOGNITION AUDIO SIG W/ DIGITAL AUDIO SYSTEM W/ ONSTAR WHT/YEL WIRE YEL/BLU WIRE

AUDIO LOW REF AUDIO SIG + AUXILIARY AUDIO INPUT BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BN CELL/GPS COAX COAX COMPUTER DATA LINES SYSTEM GND SIG GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF LVDS MICROPHONE SIG NCA WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA (+)9 SERIAL DATA COMMUNICATION ENABLE SERIAL DATA (-) 9 SERIAL DATA 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB RECEPTACLE VIO/YEL WIRE VT CELL COAX W/ DIGITAL AUDIO SYSTEM W/ ONSTAR WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

1-RD COAX 2-RD COAX BACK BACK- WARD BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX CU COMPUTER DATA LINES SYSTEM FORWARD/ GRN/WHT WIRE GRY/GRN WIRE HOME INFO DISPLAY MODULE LOGIC LOW SPEED GMLAN SERIAL DATA 2 LVDS MUTE NCA WIRE RADIO RED/WHT WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SERIAL DATA (-) 9 SERIAL DATA (-) 9 BACKUP LAMP CTRL SERIAL DATA COMMUNICATION ENABLE VIO/YEL WIRE W/ DIGITAL AUDIO SYSTEM W/ ONSTAR WHT/BLU WIRE WHT/GRN WIRE WIR BG

2.7L TURBO 3.0L TURBO DIESEL 4.3L/ 5.3L 5.3L, 6.2L 6.2L AUTO STOP START SWITCH SIGNAL BATTERY BATTERY CURRENT SENSOR BATTERY SENSOR MODULE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) EXCEPT 4.3L GRN WIRE GRN/BLK WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE VOLT IGNITION KEY RESISTOR SIGNAL IGNITION MODE SWITCH IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE (BEHIND LEFT SIDE OF DASH) LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH NCA WIRE OFF OFF/RUN/CRANK IGNITION VOLTAGE PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM PUSH BUTTON START CHALLENGE ACTIVE SIGNAL RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RUN WIRE RUN/CRANK IGNITION 1 VOLTAGE STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER PINION SOLENOID RELAY CONTROL STARTER RELAY UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRN WIRE W/ FLEXRIDE MODE SYSTEM W/ START/STOP SYSTEM W/O FLEXRIDE MODE SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE