Chevrolet Equinox III (2017-2021) computer data lines system Wiring diagrams

ABS FUSE 22 ABS FUSE 27 BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENS SIG BRAKE PRESSURE MODULATOR BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/GRY WIRE GRN/PPL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PPL RED/PPL WIRE RED/WHT WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

1.6L TURBO DIESEL ABS IND. ABS/TCS HILL DESCENT CTRL SW SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENS SIG BRAKE POSITION BRAKE VACUUM BRAKE VACUUM SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ESC IND ESC OFF GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY/RED WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) IND INSTRUMENT CLUSTER J122 (1.5L TURBO, 2.0L TURBO) LOGIC NCA WIRE PPL RIGHT REAR WHEEL SPEED SENSOR SIG GND TCS OFF TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

5 VOLT REF A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE AUXILIARY HEATER CTRL BATT POS BATT POS VOLT BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER MTR SPD CTRL BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR BRN/GRN WIRE BRN/PPL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 DEFOGGER SYSTEM DRIVER INFORMATION CENTER DISPLAY DSP HMI FUSE ELEC VARIABLE DISPLACEMENT CTRL ELEC VARIABLE DISPLACEMENT SPLY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FUSE 3 FUSE 4 FUSE 6 GRN WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC BLWR FUSE HVAC CONTROL MODULE (TOP CENTER OF DASH) HVAC FUSE INSIDE AIR TEMP SENS SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA LOWER RIGHT FRONT OF ENGINE) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) PPL/GRN WIRE REAR DEFOG RLY CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE REGULATED CTRL RUN/CRANK IGNITION 1 VOLT SOLAR SENS DRV SIG SOLAR SENS LOW REF SPD CTRL TEMP SENS LOW REF UNDERHOOD FUSE BLOCK VAR/FUNC FUSE VIO WIRE VOLT W/ START/STOP SYSTEM W/O START/STOP SYSTEM WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/C COMPRESSOR CLUTCH RELAY A/C FUSE A/C IND A/C REFRIGERANT PRESSURE SENSOR A/C SWITCH AUTO IND AUTO SWITCH AUXILIARY COOLANT PUMP RELAY AUXILIARY HEATER COOLANT PUMP AUXILIARY HTR CTRL BATT POS VOLT BLK WIRE BLK/GRN WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE BUS 9 SER DATA GND COMPUTER DATA LINES SYSTEM DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH ECM FUSE ELECTRICAL AUXILIARY HEATER (LEFT OF BLOWER MOTOR) ENG/ COOL/PUMP FUSE ENGINE CONTROLS IGNITION RELAY FAN DOWN SWITCH FAN UP SWITCH FLEX/FUEL FUSE FUSE 4 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE HOT AT ALL TIMES HVAC CONTROLS IGNITION 1 VOLT LEFT TEMPERATURE DOWN SWITCH LEFT TEMPERATURE UP SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH PPL/BLU WIRE PPL/GRN WIRE RECIRCULATION IND RECIRCULATION SWITCH RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT TEMPERATURE DOWN SWITCH WINDSHIELD DEFROST SWITCH RIGHT TEMPERATURE UP SWITCH START STOP IND START/ STOP SWITCH SYNC IND SYNC SWITCH UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH VIO WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND YEL/BLU WIRE

1.5L TURBO, 2.0L TURBO 1.6L TURBO DIESEL 5 VOLT REF A/C PRESS AMBIENT LIGHT/SUNLOAD SENSOR ANTI-THEFT SYSTEM BATT POS BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/RED WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLANT TEMP COOLING FAN COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD) CTRL RLY SIG DATA (-) (3) ENG COOLANT ENGINE CONTROLS SYSTEM FUSE SPLY 1 GMLAN SERIAL GRN WIRE GRN/PPL WIRE GRY WIRE HEADLIGHTS SYSTEM HTR RLY CTRL J110 (1.5L TURBO, 2.0L TURBO) LOGIC LOW REF 2 MAIN RLY PPL/BLU WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/WHT WIRE SENS 2 LO REF SENS LO REF SENS SIG SPD SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE

AMBIENT LIGHT SENSOR SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATTERY POSITIVE VOLTAGE BCM 1 FUSE BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/PPL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMER SW HI BEAM SIG DRL RLY CTRL FOG LAMP RLY CTRL FRONT FOG LAMP SW SIG FRONT FOG LAMP SWITCH GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/BRN WIRE HDLP AUTO HI BEAM DIM CTRL HDLP HI BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMP SIG HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HVAC CONTROL MODULE (TOP CENTER OF DASH) INSTRUMENT PANEL FUSE BLOCK LEFT LOW BEAM SPLY CTRL LEFT PARK LAMP CTRL LOW REFERENCE OFF PARK PPL/GRY WIRE REAR FOG LAMP REAR FOG LAMP SW SIG REAR FOG LAMP SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT LOW BEAM SPLY CTRL RIGHT PARK LAMP CTRL RR FOG LAMP CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/PPL WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

ABS FUSE 22 ABS FUSE 27 APPLY SW SIG APPLY SW VOL REF BLK WIRE BLU/BLK WIRE BLU/PPL WIRE BRN WIRE COMPUTER DATA LINES SYSTAM COMPUTER DATA LINES SYSTEM DATA COM ELECTRONIC BRAKE CONTROL MODULE FRONT FOG LAMP IND GMC GROUND GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LO SPD GMLAN SER DATA 2 LOGIC NCA WIRE PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PARK LIGHTS IND PPL/GRN WIRE REAR FOG LAMP IND RED/VIO WIRE RED/WHT WIRE RELEASE SW SIG RELEASE SW VOL REF RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP COOLING FAN RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SIG SPLY VOL UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE W/ HID W/ HID W/ LED W/ LED WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE BATT POS BATT POS VOLT BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLOWER MOTOR BLOWER MTR SPD CTRL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR BRN/GRN WIRE BRN/PPL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 DEFOGGER SYSTEM DRIVER INFORMATION CENTER DISPLAY DSP HMI FUSE ELEC VARIABLE DISPLACEMENT CTRL ELEC VARIABLE DISPLACEMENT SPLY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FUSE 3 GRN WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC BLWR FUSE HVAC CONTROL MODULE (TOP CENTER OF DASH) HVAC FUSE INSIDE AIR TEMP SENS SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA LOWER RIGHT FRONT OF ENGINE) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (W/ START/STOP SYSTEM) (LOWER CENTER OF DASH) PPL/GRN WIRE REAR DEFOG RLY CTRL RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE REGULATED CTRL RUN/CRANK IGNITION 1 VOLT SOLAR SENS DRV SIG SOLAR SENS LOW REF SPD CTRL UNDERHOOD FUSE BLOCK VAR/FUNC FUSE VOLT W/ START/STOP SYSTEM W/O START/STOP SYSTEM

5 VOLT REF A/C PRESS AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) ANTI-THEFT SYSTEM BATT POS BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/RED WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD) CTRL RLY SIG DATA (-) (3) ENG COOLANT ENGINE CONTROLS SYSTEM FUSE SPLY 1 GMLAN SERIAL GRN WIRE GRY WIRE HEADLIGHTS SYSTEM LOGIC LOW REF 2 MAIN RLY PPL/BLU WIRE RED/BLU WIRE RED/WHT WIRE SENS LO REF SENS SIG SPD SIG TEMP SENS SIG UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE

ABS FUSE 22 BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BCM 4 FUSE BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE DRIVER WINDOW MOTOR MODULE DRV SEAT BELT DRV SEAT BELT SW SIG ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/RED WIRE HDLP SW OFF SIG CTRL HDLP SW ON SIG CTRL HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LO SPD GMLAN SERIAL DATA (-) 1 LO SPD GMLAN SERIAL DATA 2 LOGIC LR DR AJAR SW SIG NCA WIRE NETWORK BUS 3 NETWORK BUS 4 OFF AUTO ORG/BRN WIRE PARK PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PASS DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RADIO RED/BLU WIRE RED/PPL WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEAT BELT IND SERIAL DATA SERIAL DATA 2 SW LOW REF TIRE PRESSURE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/PPL WIRE YEL WIRE YEL/RED WIRE