Chevrolet Volt II (2015-2019) hybrid/ev battery contactor assembly Wiring diagrams

A/C LOW SIDE PRESSURE SENSOR AMBIENT AIR TEMPERATURE SENSOR BATT 4 (+) BATT POS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BUS 19 COMPUTER DATA LINES SYSTEM COOLANT HEATER CONTROL MODULE (NEAR ENGINE CRANKSHAFT PULLEY) DATA 1 (+) FUSE 1 FUSE 3 GRN WIRE GRN/BLU WIRE GRY WIRE HI VOLT (-) HOT AT ALL TIMES HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY COOLANT LEVEL SWITCH HYBRID/EV BATTERY PACK HYBRID/EV BATTERY PACK FUSE HOLDER 1 ORG/ WIRE ORG/BLK WIRE PASSENGER COMPARTMENT HEATER COOLANT CONTROL VALVE RED/GRY WIRE SER DATA VIO/BRN WIRE VOLT W/ PARK ASSIST W/O PARK ASSIST WHT WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE

B+ VOLT BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE COMM CTRL COMPUTER DATA LINES SYSTEM COOLANT RESS PMP FUSE DISPLAY ELECTRIC PUMP FUSE FEEDBACK SIG GMLAN GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR 1 HYBRID/EV ELECTRONICS COOLANT TEMPERATURE SENSOR INSTRUMENT CLUSTER LOGIC LOGIC HYBRID/EV BATTERY PACK COOLANT PUMP LOW REF 7 LOW SPD MTR CTRL RED/BLU WIRE RED/VIO WIRE SERIAL DATA TEMP SIG 7 UNDERHOOD FUSE BLOCK VIO/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

ACCESSORY WAKEUP SERIAL DATA ACCESSORY WAKEUP SERIAL DATA 2 AMBIENT LIGHT/SUNLOAD SENSOR, BATTERY STATE OF CHARGE INDICATOR BATTERY ENERGY CONTROL MODULE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BODY CONTROL MODULE (PASSENGER CENTER CONSOLE) CAN BUS HI 2 SERIAL DATA CAN BUS LO 2 SERIAL DATA DOOR ASSEMBLY) DRIVER WINDOW MOTOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI VOLTAGE ENERGY MANAGEMENT COMM CONTROL HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK (UNDER CENTER OF VEHICLE) LEFT REAR WINDOW SWITCH LO SPD GMLAN SERIAL DATA NETWORK SERIAL DATA BUS 1 NETWORK SERIAL DATA BUS 15 NETWORK SERIAL DATA BUS 2 NETWORK SERIAL DATA BUS 3 NETWORK SERIAL DATA BUS 4 PASSENGER SEAT CUSHION) PASSENGER WINDOW SWITCH REAR SEAT HEATING CONTROL MODULE RIGHT REAR WINDOW SWITCH SERIAL DATA COMM ENABLE TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WINDSHIELD WIPER MOTOR YEL WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR, BATTERY STATE OF CHARGE INDICATOR BATTERY ENERGY CONTROL MODULE BLK WIRE BLOWER MOTOR BODY CONTROL MODULE BRN WIRE CENTER CONSOLE ACCESSORY POWER RECEPTACLE COOLANT HEATER CONTROL MODULE FRONT DOME/ READING LAMPS FRONT SEAT HEATING CONTROL MODULE GRY/BLK WIRE HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK HYBRID/EV POWERTRAIN CONTROL MODULE 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LEFT SUNSHADE MIRROR LAMP LIFTGATE UNLATCH RELAY MOBILE DEVICE WIRELESS CHARGER MODULE OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PASSENGER DOOR ACCENT LAMP PASSENGER DOOR HANDLE FLOOD LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER PRESENCE MODULE PASSENGER WINDOW SWITCH REAR DOME READING LAMPS RETAINED ACCESSORY POWER RELAY RIGHT SUNSHADE MIRROR LAMP STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER W/ HEATED MIRROR W/O HEATED MIRROR WINDSHIELD WIPER MOTOR

B+ VOLT BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/VIO WIRE BRN/BLU WIRE COMM CTRL COMPUTER DATA LINES SYSTEM COOLANT MTR CTRL COOLANT RESS PMP FUSE ELECTRIC PUMP FUSE FEEDBACK SIG GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK (UNDER CENTER OF VEHICLE) HYBRID/EV BATTERY PACK COOLANT PUMP HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR 1 HYBRID/EV ELECTRONICS COOLANT PUMP HYBRID/EV ELECTRONICS COOLANT TEMPERATURE SENSOR HYBRID/EV POWERTRAIN CONTROL MODULE 2 LOGIC LOW REF LOW REF 7 LOW SPD GMLAN SERIAL DATA MTR CTRL MTR FEEDBACK SIG RED/BLU WIRE RED/VIO WIRE SENS SIG TEMP SIG 7 UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE

A/C COMPRESSOR BATT 4 (+) BATT 5+ BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COOLANT HEATER CONTROL MODULE FROM HYBRID/EV BATTERY CONTACTOR ASSEMBLY (DIAGRAM 7 OF 11) GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI VOLT (-) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK (UNDER CENTER OF VEHICLE) NCA WIRE ORG/ WIRE ORG/BLK WIRE RED/VIO WIRE RESS FUSE SIG (+) 52 SIG (+) 54 SIG 44 SIG 45 SIG 46 SIG 47 SIG 48 SIG 49 SIG 50 SIG 51 SIG 53 SIG 55 SIG 56 SIG 57 SIG 58 SIG 59 SIG 60 SIG 61 SIG 62 SIG 63 SIG 64 SIG 65 SIG 66 SIG 67 SIG 68 SIG 69 SIG 70 SIG 71 SIG 72 SIG 73 SIG 74 SIG 75 SIG 76 SIG 77 SIG 78 SIG 79 SIG 80 SIG 81 SIG 82 SIG 83 SIG 84 SIG 85 SIG 86 SIG 87 SIG 88 SIG 89 SIG 90 SIG 91 SIG 92 SIG 93 SIG 94 SIG 95 SIG 96 UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VITM RC FUSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C GROUND AC LINE 1 BATT POS VOLT BATTERY 2 BATTERY CHARGER BATTERY CHARGER CONTROL MODULE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CHARGING CTRL CHARGING ENABLE DUTY CYCLE SIG ENGINE CONTROLS CIRCUIT FROM HYBRID/EV BATTERY CONTACTOR ASSEMBLY (DIAGRAM 7 OF 11) FROM HYBRID/EV BATTERY MODULE 3 (DIAGRAM 9 OF 11) FUSE GRN WIRE GRN/GRY WIRE GROUND GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HYBRID/EV BATTERY CHARGER RECEPTACLE HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK HYBRID/EV BATTERY PACK FUSE COVER INDICATOR CTRL MANUAL SERVICE DISCONNECT MANUAL SERVICE DISCONNECT RECEPTACLE NCA WIRE NEUTRAL LINE 2 OBCM FUSE ORG/ WIRE ORG/BLK WIRE REAR BODY FUSE BLOCK RED/BLU WIRE RED/YEL WIRE SENSE SIG TO HYBRID/EV BATTERY MODULE 4 (DIAGRAM 9 OF 11) VIO/WHT WIRE WHT WIRE YEL/GRY WIRE

BATTERY ENERGY CONTROL MODULE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COURSE SIG CURRENT SENS FINE SIG EARLY PRODUCTION LATE PRODUCTION FROM HYBRID/EV BATTERY MODULE 7 (DIAGRAM 11 OF 11) GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRY/BRN WIRE HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK COOLANT TEMPERATURE SENSOR 1 HYBRID/EV BATTERY PACK CURRENT SENSOR HYBRID/EV BATTERY SECTION 1 HYBRID/EV BATTERY SECTION 2 HYBRID/EV BATTERY SECTION 3 HYBRID/EV BATTERY TEMPERATURE SENSOR 1 HYBRID/EV BATTERY TEMPERATURE SENSOR 2 HYBRID/EV BATTERY TEMPERATURE SENSOR 3 HYBRID/EV BATTERY TEMPERATURE SENSOR 4 HYBRID/EV BATTERY TEMPERATURE SENSOR 5 HYBRID/EV BATTERY TEMPERATURE SENSOR 6 LOW REF LOW REF (1) LOW REF (6) LOW REF 2 LOW REF 3 LOW REF 4 LOW REF 5 LOW REF 7 ORG/ WIRE SIG (1) SIG (2) SIG 3 SIG 4 SIG 5 SIG 6 SIG 7 TO HYBRID/EV BATTERY POSITIVE CONTACTOR (DIAGRAM 7 OF 11) VIO/RED WIRE VOLT REF WHT/BLK WIRE YEL WIRE

BATTERY CHARGING SYSTEM POSITIVE CONTACTOR BLK WIRE BRN/GRN WIRE FROM HYBRID POWERTRAIN CONTROL MODULE 2 (DIAGRAM 3 OF 11) FROM HYBRID/ EV BATTERY MODULE 1 (DIAGRAM 8 OF 11) FROM HYBRID/EV BATTERY PACK CURRENT SENSOR (DIAGRAM 6 OF 11) FUSE 1 FUSE 2 FUSE 3 FUSE 4 HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY COOLANT HEATER TRANSISTOR HYBRID/EV BATTERY NEGATIVE CONTACTOR HYBRID/EV BATTERY PACK HYBRID/EV BATTERY PACK COOLANT HEATER HYBRID/EV BATTERY PACK FUSE HOLDER 1 HYBRID/EV BATTERY PACK FUSE HOLDER 2 HYBRID/EV BATTERY POSITIVE CONTACTOR HYBRID/EV BATTERY PRECHARGE RESISTOR LOGIC ORG/ WIRE ORG/BLK WIRE PRECHARGE CONTACTOR TO A/C COMPRESSOR (DIAGRAM 10 OF 11) TO COOLANT HEATER CONTROL MODULE (DIAGRAM 10 OF 11) TO POWER INVERTER MODULE (DIAGRAM 1 OF 11) VIO WIRE VIO/GRY WIRE WHT/VIO WIRE YEL/VIO WIRE

BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMM CTRL COMPUTER DATA LINES SYSTEM DATA 1 (+) FAULT SIG FROM HYBRID/EV POWERTRAIN CONTROL MODULE 2 (DIAGRAM 4 OF 11) FROM MANUAL SERVICE DISCONNECT (DIAGRAM 5 OF 11) GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH 2 HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY MODULE 3 HYBRID/EV BATTERY MODULE 4 HYBRID/EV BATTERY PACK HYBRID/EV BATTERY PACK (UNDER CENTER OF VEHICLE) HYBRID/EV BATTERY SECTION 2 HYBRID/EV BATTERY SECTION 3 IGN 1 VOLT LOW 2 NCA WIRE ORG/ WIRE POS VOLT RED/VIO WIRE SER DATA SER DATA (+) 2 SIG 28 SIG 29 SIG 30 SIG 31 SIG 32 SIG 33 SIG 34 SIG 35 SIG 36 SIG 37 SIG 38 SIG 39 SIG 40 SIG 41 SIG 42 SIG 43 SIG 44 TO MANUAL SERVICE DISCONNECT (DIAGRAM 5 OF 11) VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE