Chevrolet Malibu IX facelift (2018-2024) power supply transformer Wiring diagrams

ABS IND. BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (CENTER OF DASH) BRAKE BOOSTER VACUUM SENSOR BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE WARNING IND BRK APPLY SENS CTRL BRK APPLY SENS SIG BRK POS SENS 5 VOLT REF BRK POS SENS LO REF BRK POSITION SENS SIG BRK VACUUM SENS SIG CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC BRK SIG DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ESC IND ESC OFF IND GRN/BLK WIRE HI SPD GMLAN SERIAL DATA (+) 1 BRK APPLY SENS LOW REF HI SPD GMLAN SERIAL DATA (-) (1) INSTRUMENT CLUSTER LOGIC PARK BRAKE SWITCH PARK BRK SW SIG POWER SUPPLY TRANSFORMER RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE SIG GND TRACTION CONTROL SWITCH TRACTION CTRL SW SIG 1 WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (CENTER OF DASH) BRAKE BOOSTER VACUUM SENSOR BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS SIG BRK POS SENS 5 VOLT REF BRK POS SENS LO REF BRK POSITION SENS SIG BRK VACUUM SENS SIG BRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM CRUISE/ETC/TCC BRK SIG ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM GRY WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (+) 1 BRK APPLY SENS LOW REF HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK PARK BRAKE CONTROL SWITCH POWER SUPPLY TRANSFORMER RED WIRE RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE SIG GND TRACTION CONTROL SWITCH TRACTION CTRL SW SIG 1 VIO WIRE W/ STOP/START SYSTEM W/O STOP/START SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

14 18 LL DUCT AIRTEMP SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) B+ VOLT BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLOWER MOTOR (BOTTOM OF HVAC BLOWER HOUSING) BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SUPPLY GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENSOR SIGNAL HUMIDITY TEMPERATURE SENSOR SIGNAL HUMIDITY/WINDSCREEN TEMPERATURE SENSOR LOW REFERENCE HVAC CONTROL MODULE (FRONT OF HVAC MODULE CASING) INSIDE AIR TEMPERATURE SENSOR SIGNAL INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOW SPEED GMLAN SERIAL DATA ON BATTERY) POWER SUPPLY TRANSFORMER REAR DEFOG RELAY CTRL RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLTAGE SOLAR SENSOR DRIVER SIGNAL SOLAR SENSOR LOW REFERENCE SPLY VOLT UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ ONSTAR W/ START/STOP SYSTEM W/O ONSTAR W/O START/STOP SYSTEM WHT WIRE WINDSCREEN TEMPERATURE SENSOR SIGNAL WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE

ACTR TRANSMIT SIG AMBIENT LT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS ANTI-LOCK BRAKES, INTERIOR LIGHTS SYSTEMS BACKLIGHT DIMMING CTRL BATT POS VOL BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY SENS SPLY VOL BRK APPLY SENS SIG BRK SIG BRN WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMING SIG DIMMING SW SIG DOME LAMP OFF DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS EXTERIOR LIGHTS, SHIFT INTERLOCK SYSTEMS FRONT WINDSHIELD WIPER SW HI SIG GMLAN SERIAL DATA BUS (+) 1 REM FUNC ACTR REC SIG GMLAN SERIAL DATA BUS (-) 1 GRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SW SIG HDLP HI BEAM RLY CTRL HDLPS OFF SIG CTRL HDLPS SW ON SIG HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGNITION MODE SWITCH IND DIMMING CTRL INDICATOR CONTROL INSTRUMENT PANEL FUSE BLOCK INT LP CTRL INTERCONNECT NETWORK 4 INTERIOR LIGHTS SYSTEMS LED SIGNAL LF DRL CTRL LF TURN SIG LP LOW REF LOW SPEED GMLAN LR HEATED SEAT HI IND CTRL LR STOP/TURN LP CTRL ON/OFF SW SIG PARK BRK SW SIG PARK LP PARK LP SIG POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM POWER SUPPLY TRANSFORMER RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELEASE CTRL REM FUNC ACTR CTRL RR HEATED SEAT HI IND CTRL RR STOP/TURN LP CTRL SEATS SYSTEM SECURITY INDICATOR CTRL SPLY VOLT STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEMS STOP/START IND CNTRL STOP/START SW SIG TAP UP/TAP DOWN SWITCH TRACTION CTRL SW SIG TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE

ACTIVE SAFETY CONTROL MODULE BATT POS BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENS CTRL 2 GMLAN SERIAL DATA (+) 4 GMLAN SERIAL DATA (+) 4 FRT OBJECT SENS CTRL 2 GMLAN SERIAL DATA (+) 4 LOW SPD GMLAN SERIAL DATA GMLAN SERIAL DATA (+) 8 GND GMLAN SERIAL DATA (-) 8 GMLAN SERIAL DATA 2 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE DEPARTURE WARNING IND CTRL LANE KEEPING ASSIST IND LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LONG RANGE RADAR SENSOR MODULE LOW SPD GMLAN POWER SUPPLY TRANSFORMER RED WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA SERIAL DATA COMM ENABLE SIG GND SPLY VOLT 1 STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK VOLT W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (CENTER OF DASH) CENTER CONSOLE FLOOD LAMP COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DIMMER SW SIG GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK INT LP CTRL INTR LP CTRL INADVERTENT PWR CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LID LP CTRL LIFT GATE AJAR SW SIG 1 LOW REF NETWORK BUS 3 NETWORK BUS 4 POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID LATCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SPLY VOL UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ STOP/START SYSTEM W/O STOP/START SYSTEM WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

ABS IND. ADAPTIVE FRONT LIGHTING (AFL) IND ADJUSTABLE PEDAL IND AIR BAG IND BATT POS VOLT BATT POS VOLT RUN/CRANK IGN 1 BLK WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (CENTER OF DASH) BRAKE IND BRAKE WARNING IND BRAKE/ BRN WIRE BRN/BLU WIRE BUS 2 CHARGE IND COIL COMPUTER DATA LINES SYSTEM CONTROL CRUISE IND DIM CTRL DRIVER INFORMATION CENTER DISPLAY ELECTRONIC STABILITY CONTROL IND ELECTRONIC STABILITY CONTROL OFF IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE IND CTRL ENGINE OIL PRESSURE IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FUEL GAUGE FUEL IND GRN/BLK WIRE GRN/BLU WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) HIGH BEAM ASSIST IND HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE KEEPING ASSIST IND LEFT TURN IND LIFT GATE AJAR SW SIG 1 LOGIC LOW WASHER FLUID IND CTRL MALFUNCTION IND NAVIGATION SYSTEM NETWORK PARK BRAKE IND PARK BRAKE SWITCH PARK BRK SW SIG PARK IND PARK LAMP IND POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RAP RELAY RAP RELAY COIL CTRL REAR COMPARTMENT LID LATCH RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SER DATA (+) 2 SER DATA BUS 12 SERVICE PARK BRAKE IND SPEEDOMETER SPLY TACHOMETER TIRE PRESSURE IND TRACTION CONTROL OFF IND TRANSMISSION SHIFT LEVER POSITION INDICATOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VOLT VOLT 1 VOLT 2 W/ START/ STOP SYSTEM W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WIPER/WASHER SYSTEM

AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DOME LP OFF IND CONTROL DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HAZARD LED DIMMING SIG HAZARD WARNING SWITCH HDLP SW HDLP OFF SIG CTRL HDLP SW ON SIG HOT AT ALL TIMES IGNITION MODE SWITCH IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK LED BACK LIGHT LEFT REAR WINDOW SWITCH LIGHT DIMMING CONTROL LIN BUS 3 LIN BUS 4 LOGIC NETWORK BUS 3 NETWORK BUS 4 PARK BRAKE CONTROL SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR WINDOW SWITCH SUPLY VOL UNDERHOOD FUSE BLOCK USB RECEPTACLE VIO WIRE W/ MEMORY W/O MEMORY W/ START/ STOP W/ STOP/START SYSTEM W/O MEMORY W/ MEMORY W/O START /STOP W/O STOP/START SYSTEM WHT WIRE WHT/VIO WIRE YEL WIRE

BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRK FLUID LVL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SW DRIVER SEAT BELT SW LO REF DRIVER SEAT BELT SWITCH ELECTRONIC BRAKE CONTROL MODULE ETHERNET 7 (+) EXCEPT LOW LEVEL GRN/GRY WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA 2 LOGIC LOW LEVEL ORG/BRN WIRE PARK BRAKE CONTROL SWITCH (W/ POWER OPERATED PARKING BRAKE) PARK BRK APPLY SW SIG PARK BRK APPLY SW VOLT REF PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOLT REF PARK BRK SW SIG PARK BRK SW SUPPLY VOLT POWER SUPPLY TRANSFORMER RADIO RED WIRE RED/BRN WIRE RED/GRY WIRE RED/YEL WIRE SEAT BELT IND SERIAL DATA (-) (1) SERVICE PARK BRAKE IND SPLY VOLT TIRE PRESSURE IND UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE W/ POWER OPERATED PARKING BRAKE W/ START/ STOP SYSTEM W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE YEL WIRE YEL/RED WIRE

BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BODY CONTROL MODULE (CENTER OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY GRN WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/VIO WIRE HIGH LOW HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPD GMLAN SERIAL DATA 2 LOW SPEED GMLAN SERIAL DATA BATT POS VOLT LOW WASHER FLUID IND CTRL OFF MIST ON BATTERY) PARK SWITCH SIGNAL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WASHER SWITCH WHT WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR RELAY COIL CTRL WINDSHIELD WASHER SWITCH SIGNAL WINDSHIELD WIPER SWITCH LOW SIGNAL WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SWITCH HIGH SIGNAL WINDSHIELD WIPER SWITCH LOW REFERENCE WINDSHIELD WIPER/WASHER SWITCH WIPER SW HIGH SIGNAL WIPER SWITCH YEL WIRE YEL/BRN WIRE