Chevrolet Volt I (2010-2015) underhood fuse block (left side of engine compt) Wiring diagrams

36 37 HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - ABS MDL FUSE ABS MTR FUSE ABS/RESS/ CHRGR FUSE APPLY SW VOLT REF APPLYSWITCH SIG BLK WIRE BLK/GRY WIRE BLK/LT BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BRAKE IND BRAKE PRESSURE MODULATOR BRK PDL TRAVEL SENS 1 SIG BRK PDL TRAVEL SENS 2 SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY ELECTRONIC BRAKE CONTROL MODULE (PART OF BRAKE MASTER CYLINDER ASSEMBLY) GROUND GRY WIRE GRY/BLK WIRE HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR (INSIDE LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (INSIDE LEFT REAR WHEEL HUB) LF WHEEL SPD SENS SIG LO REF LOGIC INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE NCA WIRE PARKING BRAKE CONTROL MODULE (BEHIND LEFT SIDE OF REAR BUMPER) POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/WHT WIRE RELEASE SW VOLT REF RELEASE SWITCH SIG RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR (INSIDE RIGHT FRONT WHEEL HUB) RIGHT REAR WHEEL SPEED SENSOR (INSIDE RIGHT REAR WHEEL HUB) SERIAL DATA SWITCH SIG TCS/ ESC IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VOLT REF WHT WIRE WHT/LT BLU WIRE YEL WIRE

1 3 HI SPD GMLAN SERIAL DATA - HI SPD GMLAN SERIAL DATA + BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BODY CONTROL MODULE (UNDER RIGHT SIDE OF DASH) BRAKE CONTROL BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE FLUID LEVEL SWITCH (MASTER CYLINDER ASSEMBLY) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK APPLY SENS SIG BRK APPLY SENS SPLY VOLT BRK PDL TRAVEL SENS 1 HI REF BRK PDL TRAVEL SENS 1 SIG BRK PDL TRAVEL SENS 2 SIG BRN WIRE BRN/WHT WIRE COMBINED VEHICLE INERTIAL SENS SPLY VOLT COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONSOLE) CRUISE/ETS/TCC BRAKE SIG DATA ENGINE CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPT) GRY/BLK WIRE HI SPD GMLAN SERIAL DATA LO REF LO SPD GMLAN SERIAL DATA LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER OVERHEAD CONSOLE MULTIFUNCTION SWITCH PARK BRAKE CONTROL SWITCH STEERING ANGLE SENSOR (TOP OF STEERING COLUMN, BEHIND STEERING WHEEL) SYSTEM TRACTION CONTROL SWITCH TRACTION CTRL SWITCH SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BRN WIRE WHT WIRE WHT/LT BLU WIRE YEL WIRE

5 VOLT REF ACCESS WAKUP SRL DATA ACCM COOL FUSE FAN 1 FUSE B+ VOLT BATT + BLK WIRE BLK/BRN WIRE BRN/RED WIRE CABIN PMP/VLV FUSE CHCM MISC FUSE RUN/CRNK FUSE COMPUTER DATA LINES SYSTEM COOL FAN 2 FUSE COOLANT HEATER CONTROL MODULE (REAR OF ENGINE COMPT) COOLANT TEMP SENS SIG COOLING FAN SPD SIG CTRL SIG ENGINE CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPT) GMLAN GRN WIRE GRY/LT BLU WIRE GRY/LT GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN ENERGIZED LOGIC LOW REF LOW SPD LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PRESS SENS SIG RED WIRE RED/GRY WIRE RED/LT BLU WIRE RED/WHT WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/DK BLU WIRE WHT WIRE WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR (TOP CENTER OF WINDSHIELD) YEL/LT BLU WIRE YEL/RED WIRE

ACCESS WAKUP SRL DATA B+ VOLT BLK WIRE BLK/BRN WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE COOL FAN 2 FUSE COOLING FAN CTRL SIG COOLING FAN SPD SIG COOLANT TEMP SENS SIG CTRL SIG ENGINE CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (LEFT REAR OF CYLINDER HEAD) GRN WIRE HOT AT ALL TIMES HTR SOL VALVE CTRL HYBRID/EV POWERTRAIN CONTROL MODULE 2 (UNDER FRONT PASSENGER'S SEAT) LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LOW REF LOW SPD SERIAL DATA LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE RED WIRE RED/LT BLU WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

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

5 VOLT REF AUXILIARY UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) BATT + BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES FUEL PRESS SENS SIG FUEL PUMP FUEL PUMP CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) FUEL PUMP CTRL FUEL PUMP RLY CTRL FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP OF FUEL TANK ASSEMBLY) GRY WIRE GRY/LT BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES BATTERY FUSE BLOCK FSCM 5 (ON BATTERY POSITIVE POST) HS GMLAN - 1 HYBRID/EV POWERTRAIN CONTROL MODULE IGN 1 VOLT IGNITION COIL MODULE (TOP REAR OF ENGINE) LOW REF LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/YEL WIRE NCA WIRE POWER INVERTER MODULE (LEFT SIDE OF ENGINE COMPT) RED WIRE RED/LT GRN WIRE RED/YEL WIRE SERL DATA COMM ENBL SHIELD SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE YEL/LT BLU WIRE YEL/WHT WIRE

1 2 3 12 13 14 33 34 COS + SIN + EXCITATION - COS - SIN - EXCITATION + SIG RTN AIR CONDITIONING SYSTEM AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT SERIAL DATA + BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVE MOTOR 1 TEMPERATURE SENSOR DRIVE MOTOR 2 DRIVE MOTOR 2 TEMPERATURE SENSOR DRIVE MOTOR CONTROL MODULE 1 DRIVE MOTOR CONTROL MODULE 2 GRN WIRE GROUND SHIELD GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID POWERTRAIN CONTROL MODULE 1 LT BLU WIRE LT BLU/BLK WIRE LT BLU/YEL WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RED WIRE RED/LT BLU WIRE RED/VIO WIRE RED/YEL WIRE SERIAL DATA + SERIAL DATA - SERIAL DATA + SERIAL DATA - SERIAL DATA + TPIM FUSE TPIM/TCM FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VICM FUSE VIO/BLK WIRE VIO/LT GRN WIRE WHT WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE YEL 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

16 17 18 19 20 21 COMMUNICATION ENABLE 6432 6433 COMPUTER DATA LINES SYSTEM ABS/RESS/ CHRGR FUSE BATTERY ENERGY CONTROL MODULE BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FROM HYBRID/EV POWERTRAIN CONTROL MODULE 2 FUSE FUSE (BEHIND REAR OF LEFT FRONT FENDER) GROUND B+ GRY WIRE GRY/LT GRN WIRE HIGH VOLTAGE FAULT SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID/EV BATTERY CHARGER RECEPTACLE HYBRID/EV BATTERY PACK COOLANT HEATER HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR 2 LOGIC HYBRID/EV BATTERY CONTACTOR ASSEMBLY LT BLU WIRE LT BLU/BRN WIRE LT BLU/GRY WIRE LT BLU/LT GRN WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/LT BLU WIRE NCA WIRE ORG/ WIRE ORG/YEL WIRE PNK WIRE RED WIRE RED/VIO WIRE RESS FUSE STORAGE + TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/LT GRN WIRE