GMC Sierra IV (2018-2022) vio/blk Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA BATT POS VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRK TRANS SHIFT INTERLOCK SOL CTRL BRN/BLU WIRE BRN/WHT WIRE CLUTCH C CTRL CLUTCH D CTRL CLUTCH E CTRL COMPUTER DATA LINES SYSTEM DEFAULT DISABLE SOL CTRL DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SP GMLAN HI SP GMLAN SER DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 (PINS: 39 TO 48 NOT USED) HI SPD GMLAN SERIAL DATA (-) 1 (PINS: 55 TO 62 NOT USED) 63 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE CTRL IN SPD SIG INSTRUMENT CLUSTER KEY CAPTURE SOLENOID ACTUATOR LOGIC OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGNITION 1 VOLT SER DATA (-) (1) SHIFT SEL SW PERFORMANCE SIG SHIFT SEL SW PRK SIG SIG GROUND STRG CLMN KEY CYLINDER LOCK SOL CTRL TAP UP/TAP DOWN SW SIG TORQUE CONV CLTH SOL CTRL TOW/ HAUL SWITCH TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL (PINS: 5, 6 NOT USED) 7 TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 2 SIG TRANS HIGH SIDE DRV 1 SIG DRV TRANS INPUT SPD SENSOR SIG TRANS INTERMEDIATE SPD SIG TRANS MAINLINE PRESS SOL CTRL TRANS OIL TEMP SENS LOW REF TRANS OIL TEMP SENS SIG TRANSMISSION CONTROL MODULE TRANSMISSION MANUAL SHIFT SWITCH UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED 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 RED WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SHIFT SOLENOID VALVE 1 SHIFT SOLENOID VALVE 2 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

2.7L TURBO 3.0L TURBO DIESEL 5.3L ACCESSORY WAKEUP SERIAL DATA AUTO SWITCH BATT POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE CLUTCH A CTRL CLUTCH B CTRL CLUTCH C CTRL CLUTCH SOLENOID CTRL COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA (-) (1) (PINS: 39 TO 46 NOT USED) GMLAN SERIAL DATA (-) (1) (PINS: 55 TO 58 NOT USED) 59 GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INPUT SPD SIG LEFT SWITCH LOW REF 3 OUTPUT SPD SIG POWER DISTRIBUTION SYSTEM RED/GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT SWITCH RUN/CRANK IGNITION 1 VOLT SERIAL DATA (-) (1) SIG GROUND SNOW SWITCH SOLENOID LOW SIDE CONTROL SPORT SWITCH SWITCH SIG TCC ON/OFF SOLENOID A CTRL TCC ON/OFF SOLENOID B CTRL TRANS CLUTCH G CTRL TRANS CLUTCH H CTRL TRANS HI SIDE DRIVER 1 SIG TRANS HI SIDE DRIVER 2 SIG TRANS INTERMEDIATE SPD SIG TRANS MAIN LINE PRESSURE SOLENOID CTRL (PINS: 4 TO 6 NOT USED) 7 TRANS OIL TEMP SENS LO REF (PINS: 29 TO 32 NOT USED) TRANS OIL TEMP SENS SIG TRANS SENS A 9 VOLT REF (PINS: 9 TO 12 NOT USED) 13 TRANS SENS B 9 VOLT REF TRANSMISSION CONTROL MODULE (BEHIND LEFT CORNER OF THE RADIATOR) UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE VOLT REF (1) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANK DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY GMLAN GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT BACKUP LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LO SPD LOGIC PARKS LAMPS IND RED WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP RUN/ SER VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT WHT WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANK DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY GMLAN GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT BACKUP LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LO SPD LOGIC PARKS LAMPS IND RED WIRE RED/BRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP RUN/ SER VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE

ACC VOLT ANT 1 HI SIG ANT 1 LO SIG ANT 2 HI SIG ANT 2 LO SIG ANT HI SIG ANT LO SIG BATT POSITIVE VOLT 43 BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRV DR ANT HI SIG DRV DR ANT LO SIG DRV DR HANDLE SW SIG DRV DR OPEN SW SIG IGN MODE SW CHALLENGE ACTV SIG IGN MODE SW SIG 2 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG PASS DR ANT HI SIG PASS DR ANT LO SIG PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PNK WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/YEL WIRE RETAINED ACC PWR RELAY 2 COIL CTRL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STEERING COLUMN LCK SIG VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS BLK WIRE BLK/WHT WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM CRANK DATA DATA 2 (+) DOOR AJAR IND DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER INFORMATION CENTER DISPLAY GMLAN GMLAN SERIAL GND 18 GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ING 1 INSTRUMENT CLUSTER LCK STATUS SIG LEFT FRONT DOOR HANDLE KEYLESS ENTRY ANTENNA LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LO SPD LOCK SIG LOGIC NCA WIRE OFF/ACC VOLT PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PNK WIRE RED/GRY WIRE RIGHT FRONT PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RUN/ SECURITY IND SERIAL STEERING COLUMN LOCK MODULE VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE VOLT 14 VOLT 16 WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

ABS IND. AIR BAG IND AUTO STOP IND BATT POS VOLT BLK/WHT WIRE BLU/GRN WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BRN/BLU 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 DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL LEVEL GAUGE ENGINE OIL LEVEL SWITCH ESC IND ESC OFF IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE GLOW PLUG IND GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD-UP DISPLAY CIRCUIT HIGH BEAM LAMP IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL IND INSTRUMENT CLUSTER INTELLIBEAM LAMP IND KM/H IND LANE KEEP ASSIST LEFT TURN IND LIN BUS 1 LOGIC LOW COOLANT LVL IND CTRL DAY NIGHT LED CTRL LOW FUEL IND LOW SPD GMLAN SERIAL DATA 2 LVDS MALFUNCTION IND MPH IND NAVIGATION SYSTEM OFF IND PARK IND PARK LAMPS IND PEDESTRIAN AHEAD IND PTO IND RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TURN IND RPM IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SERIAL DATA (-) 9 SERIAL DATA COMMUNICATION ENABLE LOW WASHER FLUID IND CTRL SERVICE PARK BRAKE IND SIGNAL GROUND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL OFF IND VEHICLE AHEAD IND VIO WIRE VIO/BLK WIRE W/ MULTI COLOR ENHANCED GRAPHIC W/ ONE COLOR GRAPHIC WAIT TO START IND CTRL WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM

12 VOLT REF ALERT LED CTRL ALERT LED CTRL DIMMING CTRL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FORWARD COLLISION ALERT SWITCH GRN WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING SWITCH LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW SPD GMLAN SERIAL DATA 2 RED/GRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL UP/DOWN SW SIG VIO WIRE VIO/BLK WIRE W/O HEAD-UP DISPLAY WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BLK WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 7 (-) FRONT AXLE ENGAGEMENT ACTUATOR FRT AXLE ACTR CTRL GEAR POSI SENS LOW REF GND 44 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 ROTARY POS SENS SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INCREMENTAL ENCODER DIR SIG INCREMENTAL ENCODER IMPULSE SIG INCREMENTAL ENCODER SENS LOW REF INSTRUMENT CLUSTER J155 (6.6L TURBO DIESEL) J155 (6.6L) J157 (6.6L TURBO DIESEL) KNOCK SENS SHLD LOGIC NEUTRAL IND CTRL POWER DISTRIBUTION SYSTEM PRIMARY FUSED BATT POS VOLT 13 RED/GRY WIRE SER DATA COMMU ENABLE TRANSFER CASE CONTROL MODULE TRANSFER CASE LOCK SOL VLV CRTL TRANSFER CASE MTR CLOCKWISE CTRL TRANSFER CASE MTR COUNTER CLOCKWISE CTRL TRANSFER CASE MTR SHLD UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE