Chevrolet·Volt·2018 Chevrolet Volt·Wiring
Wiring diagram

2018 Chevrolet Volt — power distribution

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Power distribution

D 5A 30A 60A 30A 10A 10A 15A 15A 10A 30A 10A 30A 30A 10A 10A 5A 40A 10A 80A 80A B C A 80A 80A E 175A 80A 200A BODY CONTROL MODULE POWER STEERING CONTROL MODULE 14V POWER MODULE UNDERHOOD FUSE BLOCK BATTERY ENERGY CONTROL MODULE HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK LOGIC WINDSHIELD WIPER MOTOR LOGIC HYBRID/EV BATTERY PACK COOLANT PUMP LEFT COOLING FAN MOTOR COOLANT HEATER CONTROL MODULE RIGHT COOLING FAN MOTOR ELECTRONIC BRAKE CONTROL MODULE BRAKE BOOSTER CONTROL MODULE LOGIC HYBRID/EV ELECTRONICS COOLANT PUMP DRIVER WINDOW MOTOR ENGINE CONTROL MODULE HYBRID/EV POWERTRAIN CONTROL MODULE 2 LEFT REAR WINDOW SWITCH A/C COMPRESSOR POWER INVERTER MODULE X7 X1 X2 31 1 X400 X155 X1 30 1 37 9 X359 X452 1 X4 26 21 X5 6 18 1 3 2 X2 9 X1 71 2 X1 15 X3 3 5 X1 4 2 50 70 X1 4 1 X700 1 X500 8 2 32 X358 1 X8 73 1 1 36 X2 1 X104 1 32 2 30 1 27 5 5 58 9 X102 2 X1 68 43 1 17 72 X1 2 X2 X1 X3 90 X225 89 X3 X2 X1 X2 X6 X8 X5 RED/ WHT WHT RED/ RED/ BLU BLK/ VIO WHT/ YEL BLU/ VIO BLU/ VIO WHT RED/ RED/ WHT BRN RED/ WHT BRN RED/ RED/ RED/ VIO VIO RED/ RED/ YEL BLK/ BRN BLK/ BRN BRN BLK/ YEL WHT/ BLK/ VIO NCA BLK BLU RED/ GRY RED/ BRN RED/ YEL RED/ WHT RED/ BLU RED/ YEL RED/ VIO RED/ BLU RED/ BRN RED/ RED/ YEL VIO RED/ WHT RED/ YEL BRN RED/ BRN RED/ BRN RED/ RED/ BRN VIO RED/ RED/ YEL WHT RED/ WHT RED/ RED RED/ BLU BLU RED/ RED BLU RED/ BLU RED/ VIO RED/ RED/ VIO GRY GRY RED/ BLU RED/ BLU RED/ YEL RED/ YEL RED/ RED RED/ GRN GRY RED/ RED/ BLU RED RED/ VIO GRY RED/ RED/ BLU YEL RED/ NCA BATTERY FUSE BLOCK UNDERHOOD AUXILIARY FUSE BLOCK PRE FUSE UEC FUSE APM FUSE IEC2 FUSE IEC1 FUSE REC FUSE FUSE 1 FUSE 2 BATTERY BAT SENS FUSE BATTERY CURRENT SENSOR COOLING FAN LT FUSE COOLING FAN RT FUSE COOLANT HTR CM FUSE COOLANT RESS PMP FUSE ABS MDL FUSE ABS PMP FUSE RESS FUSE E BOOST FUSE 11 FRT WIPER FUSE E BOOST FUSE 20 ELECTRIC PUMP FUSE WINDOW LT FUSE ECM FUSE ACCM FUSE TPIM 1 FUSE TPIM 2 FUSE VICM FUSE (CHARGING POST) (12 VOLT POSITIVE BATTERY POST) (UNDERHOOD FUSE BLOCK) (12 VOLT NEGATIVE BATTERY CABLE) (NEAR POWER INVERTER MODULE ASSEMBLY) (LUGGAGE COMPT, NEAR BATTERY) G404 TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 5) TO REAR BODY FUSE BLOCK (DIAGRAM 4 OF 5) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 5) TO BODY CONTROL MODULE FUSE HOLDER (DIAGRAM 5 OF 5) TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 2 OF 5)
E 15A 5A 7.5A 10A 10A 7.5A 7.5A 10A 30 10A UNDERHOOD FUSE BLOCK ENGINE CONTROLS IGNITION RELAY STEERING WHEEL AIR BAG COIL ELECTRONIC BRAKE CONTROL MODULE BRAKE BOOSTER CONTROL MODULE BATTERY ENERGY CONTROL MODULE HYBRID/EV BATTERY CONTACTOR ASSEMBLY HYBRID/EV BATTERY PACK BODY CONTROL MODULE INSTRUMENT CLUSTER HYBRID/EV POWERTRAIN CONTROL MODULE 2 COLLISION ALERT INDICATORS LOGIC INSIDE REAR VIEW MIRROR STEERING WHEEL HEATING CONTROL MODULE REAR DEFOGGER RELAY WINDSHIELD WASHER PUMP RELAY HORN RELAY HEADLAMP HIGH BEAM RELAY AUXILIARY COOLANT PUMP RELAY FUEL PUMP DRIVER CONTROL MODULE ENGINE CONTROL MODULE POWER INVERTER MODULE A/C COMPRESSOR REAR VIEW CAMERA 4 5 1 3 2 1 3 X2 6 5 X225 97 X1 21 X2 3 9 X2 24 X225 102 4 X358 4 X1 X2 53 15 1 8 11 X359 2 X8 9 17 21 X4 15 27 X3 8 2 X2 1 X450 8 X450 3 1 X3 1 X2 1 74 66 5 X1 14 3 X1 X1 3 6 GRY VIO/ VIO/ WHT (OR VIO/GRY) ORG ORG VIO/ GRN GRN GRN VIO/ VIO/ VIO/GRY GRN WHT VIO/ VIO/ VIO/ GRY BLK GRN/ VIO VIO/ GRN VIO/ GRN WHT VIO/ VIO/ GRN RED VIO/ GRY GRY VIO/ VIO GRN/ BLK GRY VIO/ GRY VIO/ BLK VIO/ WHT WHT VIO/ VIO/ GRN GRN VIO/ VIO/ VIO/ GRN BLK VIO/ BLK VIO/ VIO/ WHT WHT VIO/ BLU GRN VIO/ GRN VIO/ IGNITION MAIN RELAY VARIABLE FUNCTIONS FUSE VITM RC FUSE HTD WHL FUSE VICM RC FUSE WSW FRT FUSE CABIN HTR FUSE MISC RN CRNK FUSE ECM/ TPIM FUSE RUN CRNK 3 FUSE W/ LIGHT SENSITIVE MIRROR (IF EQUIPPED) (IF EQUIPPED) W/O PARK ASSIST W/ PARK ASSIST (IF EQUIPPED) (NEAR POWER INVERTER MODULE ASSEMBLY) (BODY HARNESS, NEAR LEFT STRUT TOWER) (ENGINE COMPT, FRONT OF LEFT FRAME RAIL) (BACK OF ENGINE CONTROL MODULE HARNESS, NEAR CONNECTOR X1) J139 J135 G101 FROM ECM FUSE (DIAGRAM 1 OF 5)
10A 5A 87 7.5A 7.5A F 87 5A 30 15A 15A CTRL CHG IND GND PWR FSD CTRL B 2A 15A 10A 10A 85 15A 15A 20A 86 15A INSTRUMENT PANEL FUSE BLOCK LIFTGATE UNLATCH RELAY STEERING WHEEL AIR BAG COIL HVAC CONTROL MODULE AMBIENT LIGHT/ SUNLOAD SENSOR & BATTERY STATE OF CHARGE INDICATOR RADIO TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE OVERHEAD CONSOLE MULTI-FUNCTION SWITCH KEYLESS ENTRY CONTROL MODULE HUMAN MACHINE INTERFACE CONTROL MODULE AUXILIARY AUDIO INPUT LEFT STEERING WHEEL CONTROL SWITCH RIGHT STEERING WHEEL CONTROL SWITCH KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE 33 39 8 X225 10 19 X325 5 X2 1 X1 2 1 12 X315 34 40 3 X275 91 22 A A X315 C C 38 8 14 X315 38 1 3 2 5 4 2 21 17 18 X1 96 X225 X315 43 26 1 12 X2 6 X1 1 X1 6 7 X1 15 X1 X225 9 20 16 27 X1 7 X225 92 9 6 X1 X5 15 4 2 X1 4 X2 1 44 RED/ WHT RED/ RED/ WHT WHT RED/ RED/ GRN BLU RED/ WHT RED/ GRN RED/ WHT WHT RED/ WHT RED/ GRN RED/ BLU VIO VIO VIO/WHT BLK VIO/WHT VIO BLK VIO GRN BLK VIO BLK GRN BLK BLK BLK RED/ GRY RED/ RED/ WHT VIO RED/ RED/ RED/ YEL YEL VIO VIO RED/ RED/ YEL BLU BLU VIO RED/ YEL RED/ YEL RED/ VIO RED/ BLK GRN GRY/ GRN YEL BRN RED/ RED/ RED/ GRN GRY/ BRN RED/ GRN RED/ RED/ RED/ BRN GRN YEL RED/ BRN BLU RED/ REAR CLOSR FUSE OVRHD CNSL FUSE PEPS FUSE HVAC FUSE SWC FUSE RDO FUSE INFT FUSE ONSTAR FUSE RETAINED ACCESSORY POWER RELAY BCM 4 FUSE BCM 8 FUSE BCM 1 FUSE BCM 6 FUSE APO FRT CIRCUIT BREAKER CHARGER FUSE APO RR CIRCUIT BREAKER CENTER CONSOLE ACCESSORY POWER RECEPTACLE CENTER CONSOLE REAR ACCESSORY POWER RECEPTACLE MOBILE DEVICE WIRELESS CHARGER MODULE (IF EQUIPPED) (LEFT SIDE OF INSTRUMENT PANEL) (STEERING WHEEL HARNESS) (ABOVE GLOVE BOX) (ABOVE GLOVE BOX) (RIGHT TRIM PANEL OF CARGO AREA) (INSIDE CENTER CONSOLE) J233 G202 G202 G405 2150 4512 4601 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) TO DISPLY FUSE (DIAGRAM 5 OF 5)
C 10A 10A 5A 30A 15A 30A 15A 10A 15A 10A REAR BODY FUSE BLOCK PEDESTRIAN ALERT SOUND CONTROL MODULE BATTERY CHARGER CONTROL MODULE BATTERY CHARGER LOGIC DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH RIGHT REAR WINDOW SWITCH PASSENGER WINDOW SWITCH AUDIO AMPLIFIER REFUEL REQUEST SWITCH REAR SEAT HEATING CONTROL MODULE EVAPORATIVE EMISSION SYSTEM LEAK DETECTION PUMP ASSEMBLY LEFT SIDE OBJECT SENSOR MODULE ACTIVE SAFETY CONTROL MODULE PARKING ASSIST CONTROL MODULE RIGHT SIDE OBJECT SENSOR MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE FRONT VIEW CAMERA MODULE FRONT SEAT HEATING CONTROL MODULE 1 A27 A28 A31 A33 A10 X500 15 1 X340 10 X1 9 X505 1 23 1 X1 4 10 X1 7 A11 1 X600 1 X800 X605 1 8 8 X450 3 A8 21 X320 A29 1 A30 A9 5 5 3 X351 8 1 1 X1 7 X1 10 3 X1 7 6 5 2 RED/ VIO RED/ VIO BLU RED/ WHT RED/ WHT RED/ RED/ BRN GRN GRN RED/ BLU RED/ VIO RED/ WHT WHT WHT BRN GRN GRN RED/ RED/ RED/ RED/ RED/ YEL RED/ YEL RED/ YEL YEL YEL RED/ RED/ RED/ RED/ RED/ GRY GRY RED/ RED/ RED/ BRN GRY RED/ GRY RED/ GRY BRN RED/ GRY WHT RED/ RED/ RED/ RED/ WHT RED/ WHT WHT RED/ WHT RED/ GRY RED/ GRY GRY RED/ GRY RED/ GRY GRY RED/ RED/ BRN GRY RED/ WHT RED/ RED/ WHT RED/ WHT RED/ RED/ RR HTD SEAT FUSE DRVR DOOR SW FUSE OBCM FUSE RT WNDW FUSE AMP FUSE PED PRO FUSE SEAT HTD FRT 1 FUSE OBS DET FUSE SEAT HTD FRT 2 FUSE FUEL FUSE (IF EQUIPPED) (IF EQUIPPED) W/ SIDE ACTIVE SAFETY OBSTACLE DETECTION W/ FORWARD COLLISION ALERT SENSOR INDICATOR & LANE ACTIVE SAFETY W/ FORWARD COLLISION ALERT (IF EQUIPPED) (FRONT OF 12 VOLT BATTERY) (IN THE REAR SEAT HARNESS) (LEFT DOOR TRIM HARNESS, NEAR X505) (HEADLINER HARNESS, NEAR PASSENGER AIR BAG DISABLE INDICATOR) (BODY HARNESS, NEAR HIGH SPEED BUS TERMINATING RESISTOR) (BEHIND LEFT SIDE OF REAR BUMPER COVER) J517 J340 J314 J376 J409 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5)
A F 15A 25A 15A 15A 30A 10A 7.5A 15A 40A 10A 2A D INSTRUMENT PANEL FUSE BLOCK DATA LINK CONNECTOR LOGIC INFO DISPLAY MODULE HVAC CONTROLS PASSENGER PRESENCE MODULE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE BLOWER MOTOR SERIAL DATA GATEWAY MODULE FUEL PUMP DRIVER CONTROL MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE BODY CONTROL MODULE INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE 1 51 91 X225 1 X1 3 35 50 45 32 93 X225 49 X275 38 46 29 X5 4 3 1 X1 14 X320 9 X1 4 1 1 X1 X1 1 16 1 7 49 52 3 7 5 4 6 8 35 34 X275 18 X225 X1 11 12 20 X1 22 X7 17 X2 20 X4 RED/ GRN RED/ GRN RED/ BLU RED/ GRY RED/ BLK BLK RED/ GRY RED/ GRY RED/ RED/ BLU GRY RED/ RED/ VIO RED/ BLU RED/ BLU RED/ GRY RED RED/ BLK RED GRY RED/ RED/ BLU RED/ BLU RED/ GRY RED/ VIO BLU RED/ GRN RED/ GRN RED/ GRN RED/ GRN RED/ RED/ BLU GRN/ BLK/ BLK BLU/ YEL/ BLU/ RED/ RED/ GRN/ BLK BLK/ GRY YEL/ GRY WHT WHT GRY BLK GRY GRN BLK BLK GRY BLK GRY GRN WHT RED/ GRN/ BLK/ BLU/ YEL/ BLU/ HVAC BLWR FUSE BCM 7 FUSE BCM 3 FUSE BCM 2 FUSE AIR BAG FUSE DISPLY FUSE FPPM FUSE DLC FUSE CLUSTER FUSE CGM FUSE VEHICLE ON/OFF SWITCH BODY CONTROL MODULE FUSE HOLDER FUSE 5 (LEFT SIDE OF INSTRUMENT PANEL) (INSTRUMENT PANEL HARNESS, NEAR THE INFO DISPLAY MODULE) (NEAR 12 VOLT POSITIVE BATTERY POST) (CENTER OF DASH) G204 J250 FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) FROM RETAINED ACCESSORY POWER RELAY (DIAGRAM 3 OF 5) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5)