Chevrolet TrailBlazer III (2019-2024) starting/charging system Wiring diagrams

12 VOLT REF 5 VOLT REF ACC IGN VOLT ACCELERATE SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM AUTOMATIC HI BEAM CTRL BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DOOR LOCK RECEIVER CTRL DOOR LOCK RECEIVER LOW REF DOOR LOCKS, ANTI-THEFT SYSTEMS FOG LAMP SW SIG FRONT FOG LAMP SW SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZ SW RH TURN SIG HAZ WARN SW LEFT TURN SIG HAZARD WARNING SW SIG HDLP SW FLASH SIG HDLP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HI BEAM SELECT SW HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (+) 1 LOCK RECEIVER RECEIVE SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED IGN KEY RESISTOR SIG IGN MODE SW ACC LED SIG IGN MODE SW START LED SIG IGNITION MODE SW MODE VOLT IMMO CTRL MODULE CTRL IMMOBILIZER LOW REF IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP DEFEAT SW SIG INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LED BACKLIGHT DIMMING CTRL 1 LED DIMMING SIG LIFTGATE WINDOW/REAR COMPT LIN BUS 1 LIN BUS 4 LOCK RECEIVER TRANSMIT SIG LOW SPD GMLAN SERIAL DATA OFF/RUN/CRANK IGN VOLT PANEL LAMP DIMMER SW SIG POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM SOUND SYSTEMS RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RR WINDOW WIPER SW SIG RUN/CRANK IGN 1 VOLT SHIFT POSITION SIG SOUND SYSTEMS SPORT MODE SW SIG STARTING/CHARGING SYSTEM STEERING WHEEL CTRL SIG 1 STOP/START IND CTRL STOP/START SW SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG 1 TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UP/DOWN SW SIG VIO/BLK WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C REFRIGERANT PRESSURE SENS SIG ACC PEDAL POS 5 VOLT REFERENCE 1 ACC PEDAL POS LOW REFERENCE 1 ACC PEDAL POS LOW REFERENCE 2 ACC PEDAL POS SIG 1 ACCELERATOR PEDAL POSITION SENSOR ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMPERATURE SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATTERY POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRAKE POS SENS SIG BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (ON RIGHT SIDE OF RADIATOR) ENGINE CTRL SENS LOW REFERENCE 2 EVAP PURGE SOLENOID VALVE CTRL EVAPORATIVE EMISSION PURGE PUMP (ON THE LEFT SIDE OF INTAKE MANIFOLD) FUEL PUMP PRIMARY RELAY CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HIGH SPD GMLAN SERIAL DATA (+) 1 HIGH SPD GMLAN SERIAL DATA (+) 3 HIGH SPD GMLAN SERIAL DATA (+) 7 HOOD OPEN SWITCH SIG LOGIC MASS AIR FLOW SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR OIL PRESSURE SENS SIG POWERTRAIN MAIN RELAY FUSED SPLY 1 POWERTRAIN MAIN RELAY FUSED SPLY 3 POWERTRAIN MAIN RELAY FUSED SPLY 5 POWERTRAIN RELAY COIL CTRL RED/WHT WIRE RUN/CRANK IGNITION 1 VOLTAGE 1 STARTER ENABLE RELAY CTRL STARTING/CHARGING SYSTEM TRANSMISSION INTERNAL MODE SWITCH MODE CONTROL Y TRANSMISSIONS SYSTEM VEHICLE PERFORMANCE DATA RECORDER CAMERA ACC PEDAL POS SIG 2 VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAM POS SENS 1 VOLT REF CAM POS SENS LOW REF 1 CRANKSHAFT POS SENS LOW REF CRANKSHAFT POS SENS VOLT CRANKSHAFT POSITION SENSOR ENGINE CONTROL MODULE (ON RIGHT SIDE OF RADIATOR) ENGINE COOLANT TEMPERATURE SENS SIG FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL RAIL PRESSURE SENS SIG GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HIGH PRESS FUEL PUMP LOW CTRL HIGH PRESSURE FUEL PUMP HIGH PRESSURE FUEL PUMP HIGH CTRL HIGH VOLT CTRL CYL 1 HIGH VOLT CTRL CYL 2 HIGH VOLT CTRL CYL 3 HIGH VOLT SPLY CYL 1 HIGH VOLT SPLY CYL 2 HIGH VOLT SPLY CYL 3 IGNITION CTRL 1 IGNITION CTRL 3 IGNITION CTRL LOW REF BANK 1 INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INTAKE CAMSHAFT POSITION SENSOR MANIFOLD ABSOLUTE PRESSURE SENS SIG PRESS SENS SIG SENS 5 VOLT FEEDBACK SIG 2 SENS 5 VOLT REF 2 SENS LOW REF 1 SIG GND STARTING/CHARGING SYSTEM THROTT POS SENS LOW REF THROTT POS SENS SENT 1 SIG TOP OF ENGINE) VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE W LOW REF X LOW REF YEL WIRE YEL/VIO WIRE YEL/WHT WIRE

ACTUATOR CTRL CLOSE ACTUATOR CTRL OPEN BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CHARGER INDATOR CTRL CRANKSHAFT POS SENS SIG ECPS SENS 1 VOL REF ENGINE CONTROL MODULE (ON RIGHT SIDE OF RADIATOR) ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EXHAUST SENS (1) EXHAUST SOL (1) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL PUMP HI CTRL FUEL PUMP LO CTRL GEN FIELD DUTY CYCLE SIG GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SIG BANK 1 SENS (2) HI VOLT CTRL CYLINDER 1 HI VOLT CTRL CYLINDER 2 HI VOLT CTRL CYLINDER 3 HIGH PRESSURE FUEL PUMP ICPS SENS 1 VOL REF IGNITION CTRL 1 IGNITION CTRL 2 IGNITION CTRL 3 INTAKE SENS 1 INTAKE SOL (1) KNOCK SENS 1 LOW REF KNOCK SENS 2 LOW REF KNOCK SENS SIG 1 KNOCK SENS SIG 2 LOW CTRL BANK 1 SENS 2 LOW REF LOW REF (1) LOW REF BANK 1 LOW SIG BANK 1 SENS 2 MTR CLOSE CTRL MTR OPEN CTRL OIL PUMP CTRL OIL PUMP MTR CTRL POWERTRAIN MAIN RLY FUSED SPLY 3 PRESSURE SENS SIG SENS REPLICATED SIG SENS VOL - SENT 1 SIG SOL CTRL SOLENOID CTRL BANK 1 SOUND SYSTEMS SPLY CYLINDER 1 SPLY CYLINDER 2 SPLY CYLINDER 3 STARTING/CHARGING SYSTEM TEMP SIG THROTTLE ACTUATOR CLOSE CTRL THROTTLE ACTUATOR OPEN CTRL VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE W LOW REF WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/YEL WIRE X LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE