GMC Terrain II facelift (2021-2024) blk Wiring diagrams

BLK WIRE BLU/VIO WIRE BLU/YEL WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT "C" PILLAR) RED/BRN WIRE RWD UP DN YEL WIRE YEL/BLU WIRE

BLK WIRE BLU WIRE DRIVER SEAT LUMBAR SUPPORT MOTOR DRIVER SEAT LUMBAR SUPPORT SWITCH FORWARD/ HOT AT ALL TIMES LEFT "C" PILLAR) REAR BODY FUSE BLOCK REARWARD RED/GRN WIRE VIO WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRV HEATED BACK ELEMENT CTRL DRV HEATED BACK NTC SIG DRV HEATED BACK THERMISTOR LO REF PASS HEATED BACK NTC LO REF DRV HEATED SEAT ELEMENT CTRL DRV HEATED SEAT ELEMENT LO REF DRV HEATED SEAT NTC LO REF DRV HEATED SEAT NTC SIG FRONT SEAT HEATING CONTROL MODULE GRN/BLU WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT N/W SERIAL DATA BUS 2 NCA WIRE PASS HEATED BACK ELEMENT CTRL PASS HEATED BACK NTC SIG PASS HEATED SEAT ELEMENT CTRL PASS HEATED SEAT ELEMENT LO REF PASS HEATED SEAT NTC LO REF PASS HEATED SEAT NTC SIG RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

BACK SWITCH BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DRIVER SEAT HEATING SWITCH GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND ILL LOW TEMP IND MED TEMP IND NCA WIRE PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER SEAT HEATING SWITCH RED/YEL WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE

BACK SWITCH BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRIVER SEAT HEATING SWITCH DRV HEATED BACK NTC SIG DRV HEATED SEAT ELEMENT CTRL DRV HEATED SEAT ELEMENT LO REF DRV HEATED SEAT NTC LO REF DRV HEATED SEAT NTC SIG DRV SEAT VENT MOTOR CTRL 1 FRONT SEAT HEATING CONTROL MODULE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT N/W SERIAL DATA BUS 2 LOW TEMP IND MED TEMP IND NCA WIRE PASS HEATED BACK NTC LO REF PASS HEATED BACK NTC SIG PASS HEATED SEAT ELEMENT CTRL PASS HEATED SEAT ELEMENT LO REF PASS HEATED SEAT NTC LO REF PASS HEATED SEAT NTC SIG PASS SEAT VENT MOTOR CTRL 1 RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BACK SWITCH BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CUSHION, BACK SWITCH DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRV SEAT VENT MOTOR CTRL 1 GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE HIGH TEMP IND HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT ILL LEFT "C" PILLAR) LOGIC LOW TEMP IND MED TEMP IND NCA WIRE PASS SEAT VENT MOTOR CTRL 1 PASSENGER BACK SEAT BLOWER MOTOR PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER SEAT HEATING SWITCH RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

BATT POS VOLT BLK WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM GMLAN SER DATA - (1) GRN/RED WIRE GROUND HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CTRL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INDICATOR DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC NCA WIRE ORG/ WIRE RED WIRE RED/GRN WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SENS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SW SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VOLT REF WHT WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE FORWARD/ HOT AT ALL TIMES PASSENGER SEAT LUMBAR SUPPORT MOTOR PASSENGER SEAT LUMBAR SUPPORT SWITCH REAR BODY FUSE BLOCK REARWARD RED/GRN WIRE VIO WIRE

& RECEIVER ACC IGN VOLT ACTR LOCK CTRL ACTR UNLCK CTRL BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM CTRL DR LOCK CTRL DRIVER DOOR LOCK SWITCH DRV DR OPEN SW SIG IGNITION MODE SWITCH CHALLENGE ACTIVE SIG GMLAN SER DATA GMLAN SER DATA (+) 1 SEC IND CTRL GMLAN SER DATA - (1) GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI INTR ANT SIG 1 HI INTR ANT SIG 2 HI INTR ANT SIG 3 HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN 1 VOLT IGNITION MODE SWITCH IGNITION MODE SWITCH CHALLENGE ACTIVE SIG INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LH HDLP LO BEAM CTRL LOCK SIG LOW INTR ANT SIG 1 LOW INTR ANT SIG 2 LOW INTR ANT SIG 3 LOW REF PASS DOOR LOCK SW LOCK CTRL PASS DOOR LOCK SW UNLOCK CTRL PASSENGER DOOR LOCK SWITCH POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CTRL RCV SIG RECEIVE SIG RECEIVER CTRL RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER RH HDLP LO BEAM CTRL SW SIG 2 TRANS SIG UNLCK SIG VIO WIRE VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR BLK WIRE BLK/GRN WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH ENGINE CONTROL MODULE ENGINE HOOD SWITCH FUEL FILLER DOOR LOCK ACTUATOR GRN WIRE GRN/YEL WIRE GROUND GRY WIRE HOOD OPEN SW SIG HVAC CONTROL MODULE LF DR AJAR LOGIC LOW REF NCA WIRE NETWORK NETWORK BUS 3 SERIAL DATA (+) (3) STATUS SIG SW SIG UNLOCK SIG VIO WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE