Chevrolet Volt I (2010-2015) (front of left frame rail) Wiring diagrams

AUXILIARY UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) BATTERY FUSE BLOCK (ON BATTERY POSITIVE (+) POST BLK WIRE BRN/VIO WIRE BRN/YEL WIRE CORNER OF LUGGAGE COMPT) DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR GLASS FUSE 3 FUSE 5 HOT AT ALL TIMES HTD MIR FUSE HVAC CONTROL MODULE (CENTER OF DASH) LOGIC LT GRN/YEL WIRE NCA WIRE NETWORK 9 OUTSIDE REARVIEW MIRROR HEATER RELAY PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR GLASS RADIO/HVAC CONTROLS REAR BODY FUSE BLOCK (LEFT REAR REAR DEFOG FUSE REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED WIRE RED/VIO WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)

AIR BAG FUSE BLK WIRE BLK/BRN WIRE BRN WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM DISPLAY DRIVER OUTSIDE REARVIEW MIRROR HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE PLATE LAMP LEFT TURN SIGNAL REPEATER LAMP LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE NCA WIRE PASSENGER OUTSIDE REARVIEW MIRROR RIGHT FRONT TURN SIGNAL LAMP RIGHT LICENSE PLATE LAMP RIGHT TURN SIGNAL REPEATER LAMP SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/LT GRN WIRE W/ PARKING ASSIST W/O PARKING ASSIST WHT WIRE WHT/YEL WIRE

1 2 24 RH HDLP LO SPLY VOLT LH HDLP LO SPLY VOLT HOOD AJAR SW SIG 18 12 LOCK MTR STATUS SIG RR LOCK MTR STATUS SIG LR 2 25 GND SPLY VOLT 2501 2500 COMPUTER DATA LINES 26 24 25 RCV SIG GMLAN SER DATA (-) GMLAN SER DATA (+) 27 16 15 19 TRANS SIG ACTR RTN UNLCK SIG LCK SIG 312 712 109 HEADLIGHTS SYSTEM 4 1 ACTR UNLCK CTRL ACTR LCK CTRL 2 ACTR RTN BATT POS VOLT BLK WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN WIRE BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DOOR LOCK RELAY DR LOCK CTRL LOCK CTRL 2 DRIVER DOOR LATCH ASSEMBLY (CENTER REAR OF DRIVER'S DOOR) GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/WHT WIRE HOOD OPEN SW SIG HORN RLY CTRL HORNS SYSTEM LOGIC LOGIC DRIVER WINDOW MOTOR DRIVER WINDOW (DRIVER'S DOOR) SWITCH LT BLU WIRE LT BLU/BRN WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/YEL WIRE NCA WIRE NETWORK BUS 3 RADIO/HVAC CONTROLS RCV SIG RED/BRN WIRE RLY CTRL SPLY VOLT STATUS CTRL SW SIG LF DR AJAR SYSTEM TRANS SIG UNLOCK SIG VIO/YEL WIRE WHT WIRE WHT/LT BLU WIRE YEL WIRE YEL/LT GRN WIRE

BCM/EXT LIGHTS FUSE BLK WIRE BRN WIRE BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DRIVER DOOR LATCH ASSEMBLY (CENTER REAR OF DRIVER'S DOOR) DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRIVER'S DOOR GRY WIRE GRY/BLK WIRE HOOD OPEN SW SIG HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LF DR AJAR SW SIG LOGIC LOGIC LT BLU/BRN WIRE LT BLU/WHT WIRE LT GRN/YEL WIRE NCA WIRE NETWORK BUS 3 ORG/ WIRE ORG/LT BLU WIRE RED/BRN WIRE RED/WHT WIRE STATUS CTRL UNLOCK SIG WHT/LT BLU WIRE YEL WIRE

A/C COMPRESSOR AUTOMATIC TRANSMISSION ASSEMBLY AUXILIARY HEATER COOLANT PUMP BATTERY CHARGER BATTERY CHARGER CONTROL MODULE BLK WIRE CHARGE PORT DOOR POSITION SWITCH CHARGE PORT DOOR RELAY CHARGE WINDSHIELD PORT DOOR WASHER PUMP ACTUATOR DOOR LOCK RELAY ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE HORN BREAKOUT) HYBRID/EV HYBRID BATTERY ELECTRONICS PACK COOLANT COOLANT PUMP PUMP IGNITION MAIN RELAY LEFT COOLING FAN MOTOR LEFT DAYTIME RUNNING LAMP, LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP LEFT HIGH BEAM SOLENOID ACTUATOR LEFT HORN LEFT LOW BEAM HEADLAMP NCA WIRE OUTSIDE REARVIEW MIRROR HEATER RELAY POWER HYBRID INVERTER POWERTRAIN MODULE CONTROL MODULE 1 POWER STEERING IGNITION CONTROL COIL MODULE MODULE RIGHT COOLING FAN MOTOR RIGHT DAYTIME RUNNING LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT HORN RIGHT LOW HEADLAMP BEAM SECONDARY AIR INJECTION PUMP SECONDARY CONTROL SOLENOID VALVE ASSEMBLY AIR INJECTION SOLENOID VALVE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ PARKING ASSIST W/O PARKING ASSIST WINDSHIELD HOOD AJAR WIPER MOTOR SWITCH WINDSHIELD WASHER PUMP RELAY

1 2 RH HDLP SPLY VOLT LH HDLP SPLY VOLT 11 17 DIM SW HI BEAM SIG FLASH TO PASS SIG SW 18 5 HI BEAM RLY CTRL LF DRL SPLY VOLT AIR BAG FUSE AMBIENT LIGHT/ SUNLOAD SENSOR (FRONT CENTER OF DASH) AMBIENT LT SENS SIG BATTERY FUSE BLOCK (ON BATTERY POSITIVE (+) POST BLK WIRE BLK/BRN WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DISPLAY FUSE 5 GROUND DISTRIBUTION SYSTEM LEFT HIGH BEAM SOLENOID ACTUATOR GROUND DISTRIBUTION SYSTEM RIGHT DAYTIME RUNNING LAMP GRY WIRE GRY/LT BLU WIRE HEAD PARK AUTO OFF HEAD- LAMP HI BEAM DIMMER HI BEAM FLASH TO PASS SWITCH HI HI BEAM BEAM LT RT FUSE FUSE HIGH BEAM RELAY HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE (CENTER OF DASH) IGN INSTRUMENT CLUSTER LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP LEFT LOW BEAM HEAD- LAMP LO SPD GMLAN SERIAL DATA LOGIC LOW REF LT BLU BRN/ WIRE LT BLU WIRE LT BLU/BRN WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE OF DASH) RED WIRE RED/YEL WIRE RF DRL SPLY VOLT RIGHT HEADLAMP RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEAD- LAMP SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/LT GRN WIRE WHT WIRE WHT/LT BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

2 1 GND BATT POSITIVE VOLT BLK WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRY/BLK WIRE HOOD AJAR SW SIG IMMOBILIZER ANTENNA (BEHIND CENTER OF DASH) IMMOBILIZER CONTROL MODULE (BEHIND CENTER OF DASH) IMMOBILIZER RETURN IMMOBILIZER SPLY VOLT INSTRUMENT CLUSTER LINEAR INTERCONNECT LINEAR INTERCONNECT NETWORK 11 LO SPD GM LAN SERIAL DATA LOGIC LT BLU WIRE LT GRN BRN/ WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE NCA WIRE NETWORK 11 RED/BRN WIRE SERIAL DATA WHT WIRE YEL WIRE

"CHECK ENGINE" IND CTRL 5 VOLT REF A/C RFGT PR SENS SIG ACC PEDAL POS SIG 1 ACC PEDAL POS SIG 2 AIR PUMP FUSE AIR SOL FUSE BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/LT BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CCM/VICM FUSE COMPUTER DATA LINES SYSTEM CONNECTOR BREAKOUT) COOLING FANS SYSTEM COOLT TEMP SENS 2 SIG CRUISE/ETC/TCC BRK SIG ECM FUSE ECM FUSE EMIS FUSE ECM/TCM FUSE ENGINE CONTROL MODULE (ECM) (LEFT FRONT CORNER OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY ENGINE MAIN RLY CTRL F P PRIMARY RLY CTRL FAN RLY CTRL GRY/LT BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED HS GMLAN - 1 HS GMLAN - 3 IGN COIL FUSE IN AIR TEMP SENS SIG LINES SYSTEM COMPUTER DATA LOW REF LOW SPD COOLING LT BLU WIRE LT BLU/BLK WIRE LT BLU/BRN WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/WHT WIRE MAS AIR FLOW SENS SIG PUMP RLY COIL CTRL RED/BRN WIRE RED/LT GRN WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SECONDARY AIR INJECTION PUMP RELAY (CALIFORNIA) SECONDARY AIR INJECTION SOLENOID VALVE RELAY (CALIFORNIA) SNSR SIG SOL RLY COIL CTRL TEMPERATURE SENSOR BREAKOUT) UNDERHOOD FUSE BLOCK VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WAKEUP SERIAL DATA 2 WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/WHT WIRE

3788 3787 3791 COOLING FANS SYSTEM COMPUTER DATA LINES SYSTEM 3790 3953 COOLING FANS SYSTEM 3827 3954 2364 5139 3793 TRUNK, TAILGATE, FUEL DOORS SYSTEM 59 60 61 HIGH CONTROL 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 PILOT SIG IND CTRL 6801 3794 TRUNK, TAILGATE, FUEL DOORS SYSTEM AUXILIARY HEATER CTRL B+ VOLT BATTERY FUSE BLOCK (ON BATTERY POSITIVE (+) POST BATTERY STATE OF CHARGE INDICATOR BLK WIRE BLK/BRN WIRE BLK/LT GRN WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE PORT DOOR POSITION SWITCH (BEHIND REAR OF LEFT FRONT FENDER) COMPUTER DATA LINES SYSTEM COOLANT MOTOR ENABLE COMMUNICATION ENABLE COOLING FAN ENABLE COOLING FAN CTRL SOL VALVE CTRL COOLANT MTR CTRL COOLANT MTR CTRL COOLING FANS SYSTEM COOLING FANS SYSTEM AIR CONDITIONING SYSTEM FAN CONTROL SIGNAL FUEL DOOR LCK/UNLCK REF COOLANT MOTOR ENABLE FUEL DOOR LCK/UNLCK SIG FUSE 6 GMLAN SERIAL DATA GRY/LT GRN WIRE HOT AT ALL TIMES HYBRID/EV BATTERY PACK COOLANT PUMP (FRONT OF ENGINE COMPT, BEHIND RADIATOR) HYBRID/EV POWERTRAIN CONTROL MODULE 2 (UNDER FRONT PASSENGER'S SEAT) IGN 1 VOLT IND CTRL LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/BRN WIRE LT BLU/GRY WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/VIO WIRE MODE MTR LOW CTRL MOTOR FEEDBACK SIG PROXIMITY STATUS SIGNAL 1 MTR CTRL MTR ENABLE MTR FEED- BACK SIG MTR FEEDBACK SIGNAL NCA WIRE PORT DOOR SENS SIG PORT DOOR WAKEUP SIG RED/VIO WIRE RED/YEL WIRE TO HYBRID/EV BATTERY PACK (DIAGRAM 6 OF 13) TO HYBRID/EV BATTERY PACK (DIAGRAM 8 OF 13) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/YEL WIRE WAKEUP SERIAL DATA PORT DOOR RLY CTRL SERIAL DATA 2 WHT WIRE WHT/BRN WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL/GRY WIRE YEL/LT BLU WIRE YEL/LT GRN WIRE YEL/VIO WIRE

ASSEMBLY BATTERY BATTERY CHARGER (RIGHT FRONT CORNER OF ENGINE COMPT) BATTERY CHARGER CONTROL MODULE BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BODY CONTROL MODULE (UNDER RIGHT CHARGE PORT DOOR RELAY CHRG DR FUSE CHRGR FUSE COMPUTER DATA LINES SYSTEM CURRENT SENSOR FROM HYBRID/EV POWERTRAIN CONTROL MODULE 2 FUSE GROUND GROUND BATT POS VOLT GRY/LT GRN WIRE GRY/VIO WIRE HI VOLT BATT (+) HIGH VOLT BATT (-) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID/EV BATTERY CONTACTOR HYBRID/EV BATTERY PACK (UNDER CENTER OF VEHICLE) HYBRID/EV BATTERY PACK CONNECTOR JUMPER HARNESS HYBRID/EV BATTERY PACK FUSE COVER HYBRID/EV BATTERY PACK FUSE INSULATOR IGN 1 VOLT IGN 1 VOLT HIGH SERIAL DATA LOW SERIAL DATA IND CTRL LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/BRN WIRE LT BLU/LT GRN WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE MANUAL SERVICE DISCONNECT MANUAL SERVICE RECEPTABLE MODULE NCA WIRE NOT USED NOT USED ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE REAR CAMERA FUSE RED/BRN WIRE RED/VIO WIRE RED/YEL WIRE SENSOR SERIAL DATA SERIAL DATA (-) SERIAL DATA (+) SIDE OF DASH) SIG SUPPLY VOLTAGE TO HYBRID BATTERY PACK (DIAGRAM 8 OF 13) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/LT GRN WIRE VIO/WHT WIRE VOLTAGE AC LINE 1 VOLTAGE AC GROUND LOW SERIAL DATA W/ REAR VIEW CAMERA WAKEUP DATA 2 WAKUP SERIAL DATA 2 COMMUNICATION ENABLE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL/VIO WIRE