GMC Sierra IV (2018-2022) hot at all times Wiring diagrams

1-BG LEFT SIDE VIEW CAMERA COAXIAL VIDEO SIG 1-GN FRONT VIEW CAMERA COAXIAL VIDEO SIG 1-RD COAXIAL VIDEO SIG 2-BG RIGHT SIDE VIEW CAMERA COAXIAL VIDEO SIG 2-RD REAR VIEW CAMERA COAXIAL VIDEO SIG BATT POS VOLT BLK/WHT WIRE CAMPER TRAILER CONNECTOR CARGO AREA REAR VIEW DRIVER INFORMATION CAMERA COAX COMPUTER DATA LINES SYSTEM GRY/GRN WIRE HOT AT ALL TIMES NCA WIRE RADIO REAR VIEW CAMERA RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA VIDEO PROCESSING CONTROL MODULE

1-BN RS CAM VID SIG 2-BN TRAILER 2 REAR VISION CAM COAX VID SIG 1-CU FRONT CAM SIG 1 2-CU TRAILER REAR VISION CAM COAX VID SIG 1-GN LS CAM VID SIG 2-GN CARGO AREA CAM VID SIG 1-RD COMBINED CAM VID SIG 2 BATT POS VOLT BK COAX BLK/WHT WIRE CARGO AREA REAR VIEW DRIVER INFORMATION CENTER HIGH MOUNTED STOP LAMP COAX COAX BK COAX BN COAX CAM SIG COAX OG COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR- VIEW MIRROR GRILLE FRONT VIEW CAMERA GRY/GRN WIRE HOT AT ALL TIMES LEFT SIDE VIEW CAMERA LO SPD GMLAN SER DATA 2 LS VISION 1-BG CAM VID SIG PASSENGER OUTSIDE REAR VIEW MIRROR RADIO REAR VIEW CAMERA (IN TAILGATE HANDLE) RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT SIDE VIEW CAMERA TRAILER CONNECTOR VIDEO PROCESSING CONTROL MODULE

5-VOLT REF 1 AUTO SWITCH B+ VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INTERLOCK SOLENOID CTRL KEY CAPTURE SOLENOID ACTUATOR LEFT SWITCH LOCK SOLENOID CTRL LOGIC LOW REF (1) LOW SPD GMLAN SERIAL DATA 2 PARK POSITION SWITCH PARK/NEUTRAL SIG (1) RED/BLU WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT SWITCH SERIAL DATA (-) (1) SNOW SWITCH SPORT SWITCH SWITCH PARK SIGNAL SWITCH PERFORMANCE SIG SWITCH SIG TAP UP/TAP DOWN SW SIG TOW/HAUL SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/WHT 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

BATT POS VOLT 18 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GRN WIRE GROUND 17 GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LED CTRL LEFT SIDE OBJECT SENSOR MODULE LOW SPD SER DATA PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR POWER DISTRIBUTION SYSTEM RED/GRN WIRE RIGHT SIDE OBJECT SENSOR MODULE SERIAL DATA (-) 5 UNDERHOOD FUSE BLOCK

BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DOME/READING LP CONTROL DOME/READING LP DISABLE SW SIG DOUBLE, CREW CAB DRIVER DOOR HANDLE FLOOD LAMP DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR LOGIC FRONT OVERHEAD CONSOLE ASSEMBLY FRT FOOTWELL ACCENT LIGHTING CONTROL GND 11 GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INADVERTENT LOAD CTRL INTR DOOR HANDLE ACCENT LIGHTING CTRL LF DR AJAR SW SIG LOGIC NCA WIRE PASSENGER DOOR HANDLE FLOOD LAMP PNK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RF DR AJAR SW SIG RIGHT INSTRUMENT PANEL FUSE BLOCK SECONDARY FUSED BATT POSITIVE VOLTAGE 34 SECONDARY FUSED BATT POSITIVE VOLTAGE 51 VIO/GRN WIRE W/ FORWARD COLLISION ALERT, FULL VIDEO DISPLAY MIRROR W/ POWER OPERATED, EXPRESS UP/DOWN W/O FORWARD COLLISION ALERT, FULL VIDEO DISPLAY MIRROR W/O POWER OPERATED, EXPRESS UP/DOWN WHT WIRE WHT/BRN WIRE WHT/YEL WIRE

AC PWR OUTLET STATUS IND CTRL BATT POS VOLT 34 BATT POS VOLT 27 BATT POS VOLT 51 DOME LP OFF IND CTRL BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER DOOR LOCK SWITCH EXHAUST BRAKE SWITCH SIG GRN/BRN WIRE GRN/YEL WIRE HDLP SW OFF SIG HI SPD GMLAN SERIAL DATA (-) 1 HDLP SW ON SIG HEADLAMP SW REF HEAD-UP DISPLAY SWITCH HEADLAMP SW SIG HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION MODE SWITCH IND DIMMING CTRL LED BACK LIGHT DIMMING CTRL 1 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC PARK BRAKE CONTROL SWITCH PNK WIRE POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL USB RECEPTACLE VEHICLE STABILITY CONTROL SWITCH VIO/WHT WIRE W/ KEYLESS ENGINE START SWITCH W/ SIDE DOOR LOCK CONTROL W/ STEERING WHEEL ACCESSORY CONTROL W/O SIDE DOOR LOCK CONTROL W/O STEERING WHEEL ACCESSORY CONTROL WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL 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

AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT/REAR SUBWOOFER SPKR (-) LOW REF LEFT/REAR SUBWOOFER SPKR CTRL (+) LF SPKR LF SPKR 1 (-) LF SPKR SIG (-) (1) LR SPKR NCA WIRE RED/YEL WIRE RF SPKR RF SPKR 1 (-) RF SPKR SIG (-) (1) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPKR SERIAL DATA 2 SUBWOOFER SPEAKER WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE