Chevrolet·Impala·2020 Chevrolet Impala·Wiring
Wiring diagram

2020 Chevrolet Impala — power distribution

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Power distribution

15A 300A 80A 30A 60A 30A 5A 25A 5A 15A 15A C 5A 15A 100A 60A 30A 30A 7.5A A B 250A 20A 30A 30A 20A D 30A BATTERY STARTER MOTOR GENERATOR POWER STEERING CONTROL MODULE POWER STEERING CONTROL MODULE ENGINE CONTROL MODULE BRAKE BOOSTER PUMP MOTOR RELAY SUNROOF MOTOR SUNROOF SUNSHADE MOTOR MODULE OUTSIDE REAR VIEW MIRROR SWITCH DRIVER WINDOW SWITCH ELECTRONIC BRAKE CONTROL MODULE KEYLESS ENTRY CONTROL MODULE GARAGE DOOR OPENER MIRROR CONTROL MODULE UNDERHOOD FUSE BLOCK LEFT REAR WINDOW SWITCH FRONT SEAT HEATING CONTROL MODULE BODY CONTROL MODULE RIGHT REAR WINDOW SWITCH PASSENGER WINDOW SWITCH DRIVER WINDOW MOTOR CHASSIS CONTROL MODULE SEAT MEMORY CONTROL MODULE PARK BRAKE CONTROL MODULE AUDIO AMPLIFIER X2 44 X6 X4 X2 70 41 X1 2 27 X2 X210 40 98 X3 X2 5 1 X2 71 65 X1 4 2 X310 1 X1 25 1 69 67 52 X390 1 72 68 X1 7 X320 X1 7 5 10 20 X4 4 X5 X3 X2 X7 90 X1 89 X1 1 34 28 23 X500 A3 X505 X210 X5 38 X1 A 1 A2 1 X400 36 2 4 1 33 42 D2 X605 X1 4 2 X700 2 X500 1 1 X800 8 8 A X600 12 X1 5 74 1 F RED/WHT RED RED/YEL RED RED RED/GRY RED/YEL RED RED/BRN RED/BLU RED/WHT RED/WHT RED/WHT RED/YEL RED/GRN RED/YEL RED/VIO RED/GRY RED/YEL RED/YEL RED/GRY RED/YEL RED/WHT RED/YEL RED/GRY RED/YEL RED/WHT RED/BLU RED/BRN RED/YEL RED RED/WHT RED/BLK RED/GRY RED/GRY RED/VIO RED/VIO VIO RED/VIO RED/ RED/VIO RED/WHT RED/BLU RED RED RED RED/BLU RED/GRY RED/VIO RED/BLU RED/BLU RED/VIO RED/VIO RED/WHT RED/VIO RED/WHT RED/BLU RED/BLU RED/BLU RED/WHT RED/VIO RED/WHT RED/VIO RED/VIO RED/VIO RED/BLU RED/GRY RED/GRY (W/O BELT DRIVE) (W/ BELT DRIVE) W/O MEMORY W/ MEMORY (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) BATTERY FUSE BLOCK FUSE 4 FUSE 2 FUSE 1 FUSE 5 FUSE 3 FUSE 6 ABS VALVE FUSE 34 ABS PUMP FUSE 26 ECM BATT FUSE 2 RAP FUSE 25 BRK VAC PMP FUSE 41 PEPS BATT FUSE 29 SUNROOF FUSE 22 MIR EWL FUSE 55 HTD SEAT LF FUSE 31 HTD SEAT RF FUSE 33 MEM SEAT FUSE 71 EPB FUSE 27 AMP FUSE 35 BCM 6 FUSE 32 BATT RVC FUSE 69 CCM FUSE 67 PWIN FRT FUSE 24 PWIN RR FUSE 21 (BELOW BATTERY COVER) (BODY HARNESS, NEAR BREAKOUT OF BRANCH TO X500 & ROOF) (BODY HARNESS, IN BRANCH TO X500 & ROOF) (LEFT SIDE OF ENGINE COMPT) (W/ GARAGE DOOR OPENER) J228 J232 TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 6) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6) TO RETAINED ACCY POWER RELAY IN INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6) TO IGNITION MAIN RELAY (DIAGRAM 2 OF 6)
5A E F 15A 7.5A H 10A 15A 15A 10A 5A 30 10A 5A 87 30 5A 86 85 D G A 10A 15A 15A 7.5A 2A REAR DEFOGGER RELAY WINDSHIELD WASHER PUMP RELAY REAR COMPARTMENT LID UNLATCH RELAY UNDERHOOD FUSE BLOCK STEERING WHEEL AIR BAG COIL ACTIVE GRILLE AIR SHUTTER ACTUATOR ENGINE CONTROL MODULE INSTRUMENT CLUSTER PASSENGER AIR BAG DISABLED INDICATOR REAR VIEW CAMERA INSIDE REAR VIEW MIRROR PASSENGER SEAT TEMPERATURE CONTROL MODULE DRIVER SEAT TEMPERATURE CONTROL MODULE PASSENGER CUSHION SEAT BLOWER ASSEMBLY DRIVER CUSHION SEAT BLOWER ASSEMBLY STEERING WHEEL HEATING CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK DATA LINK CONNECTOR HVAC CONTROL MODULE SERIAL DATA GATEWAY MODULE PASSENGER PRESENCE MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE BODY CONTROL MODULE REAR SEAT HEATING CONTROL MODULE 14 52 1 X210 X320 4 4 X4 4 X310 4 C12 X400 4 X2 1 X1 1 X5 32 31 40 42 X2 1 E 7 D 10 35 X210 15 X1 88 87 X210 X210 31 69 4 X915 4 6 X900 69 X210 8 2 X105 6 3 X1 26 71 X1 51 X1 17 20 X3 X2 48 25 44 45 X320 X1 9 X1 1 41 3 X1 4 40 X210 20 41 16 VIO/ BLK VIO/BLK BLK VIO/BLK VIO/ BLK BRN/ WHT YEL VIO/BLK VIO/BLK PNK VIO/GRY VIO/GRY VIO/BLK RED/VIO BRN/ WHT RED YEL GRY RED/ RED/ YEL YEL GRY GRY RED/ RED/ RED/ RED/ RED/VIO VIO/GRY VIO/ BLK VIO/ VIO/ BLK BLK VIO/GRY VIO/BLK PNK VIO/GRY VIO/BLK VIO/WHT VIO/BLK RED VIO/WHT VIO/GRN GRN/VIO BLK BLK VIO/GRN RED/ GRN RED/BLU RED/ RED/ GRN GRN RED/GRN RED/WHT RED/YEL RED/GRN RED/BLU RED/BLU (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (NOT USED) IGNITION MAIN RELAY TRUNK REL FUSE 66 DISPLY IGN FUSE 52 BODY IGN2 FUSE 17 AERO SHUTTER FUSE 19 ECM IGN FUSE 5 BODY IGN FUSE 53 STEERING COLUMN FUSE HOLDER RR HTD/SEAT FUSE 16 LR HTD/SEAT FUSE 19 BCM 2 FUSE 24 BCM 1 FUSE 23 DLIS FUSE 20 DLC FUSE 14 AIR BAG FUSE 15 HVAC/ CNTRL FUSE 17 TELEMATICS FUSE 21 (LEFT SIDE OF ENGINE COMPT) (BODY HARNESS, NEAR BREAKOUT TO X700) (BODY HARNESS, NEAR BREAKOUT TO X700) (BODY HARNESS, NEAR BREAKOUT TO X310) (REAR OF LEFT RADIATOR SUPPORT) (INSIDE REARVIEW CAMERA PIGTAIL) (UPPER STEERING COLUMN) (UPPER STEERING COLUMN) (LEFT SIDE OF DASH) J339 J336 J331 J100 J994 G101 TO STARTER FUSE (DIAGRAM 3 OF 6) FROM CCM FUSE (DIAGRAM 1 OF 6) TO TCM/CCM IGN FUSE (DIAGRAM 5 OF 6) FROM BODY CONTROL MODULE (DIAGRAM 6 OF 6) FROM FUSE 1 OF BATTERY FUSE BLOCK, (DIAGRAM 1 OF 6) TO ACDCINV FUSE (DIAGRAM 5 OF 6)
K 86 86 10A 85 86 15A 30 15A J 10A 87 25A 85 50A 86 10A 30 87 30A 30 E 10A K A/C COMPRESSOR CLUTCH RELAY COOLING FAN HIGH SPEED RELAY STARTER RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY SECONDARY AIR INJECTION PUMP RELAY A/C COMPRESSOR CLUTCH RELAY COOLING FAN LOW SPEED RELAY COOLING FAN SPEED CONTROL RELAY UNDERHOOD FUSE BLOCK ENGINE CONTROL MODULE IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 UNDERHOOD FUSE BLOCK HEATED OXYGEN SENSOR 1 FUEL COMPOSITION SENSOR ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EVAPORATIVE EMISSION PURGE SOLENOID VALVE HEATED OXYGEN SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 MULTIFUNCTION INTAKE AIR SENSOR AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 X1 68 20 D D D D D X3 3 D X1 67 62 16 X2 26 X150 A 1 X190 X3 1 D D 2 1 17 73 72 D D 2 1 6 1 2 5 7 WHT WHT VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO VIO/BLU VIO/BLU VIO/BLU WHT VIO/BLU WHT VIO/BLU WHT VIO/BLU YEL YEL VIO/BLU VIO/BLU WHT VIO/BLU WHT GRN VIO/BLU BLK VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU (W/ CALIFORNIA EMISSION SYSTEM) AC CLUTCH FUSE 3 SAIR PUMP FUSE 59 FAN RLY A FUSE 46 STARTER FUSE 12 ENGINE CONTROLS IGNITION RELAY COIL ODD FUSE 9 ECM FUSE 10 COIL EVEN FUSE 8 NON WLK PT FUSE 47 NON WLK PT FUSE 11 (LEFT SIDE OF ENGINE COMPT) (ENGINE HARNESS, NEAR BREAKOUT TO X160) (ENGINE HARNESS, NEAR BREAKOUT TO X115) (LEFT SIDE OF ENGINE COMPT) (ENGINE HARNESS, NEAR BREAKOUT TO X160) (ENGINE HARNESS, NEAR BREAKOUT TO X160) J133 J106 J108 J107 TO NON WLK PT FUSE (DIAGRAM 3 OF 6) TO COOL FAN LO K1 FUSE (DIAGRAM 5 OF 6) FROM TRUNK REL FUSE (DIAGRAM 2 OF 6) FROM FAN RELAY A FUSE (DIAGRAM 3 OF 6)
5A 20A 20A 25A 25A 10A 15A 15A 30A C 15A B 40A L 110V AC B+ PHASE A GND DC TO AC INVERTER CTRL AC PHASE B INSTRUMENT PANEL FUSE BLOCK BODY CONTROL MODULE BODY CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK PASSENGER SEAT LUMBAR SUPPORT SWITCH PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH SEAT MEMORY CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH BLOWER MOTOR BODY CONTROL MODULE X2 15 16 15 46 3 2 1 X300 17 29 30 24 23 X300 17 A A C C X300 19 22 A C X210 X320 E G 37 97 1 38 94 1 X310 21 41 34 26 10 X1 X1 2 X1 X5 3 X1 2 X2 3 6 15 3 5 14 1 2 11 13 21 X300 6 X1 1 1 3 X2 X1 49 35 33 36 4 1 1 24 X300 3 X1 2 1 4 3 5 7 9 8 6 11 10 12 GRN VIO BLK GRN BLK VIO BLK VIO (OR VIO) VIO/BRN VIO VIO VIO VIO VIO BLK BLK BLK BLK VIO BLK BRN RED/ BRN RED/ RED/ BRN RED/BRN BRN RED/ BRN RED/ RED/YEL RED/YEL RED/GRN RED/GRN RED/BLK RED RED/BRN RED/YEL RED/GRN RED/BLK RED RED/YEL RED/YEL BLK VIO VIO RED/BLU GRY/GRN BLK GRY/GRN GRY/GRN GRY/GRN BLK GRY/GRN RED GRY/GRN BLU/WHT RED/WHT RED/VIO RED/WHT RED/VIO NCA NCA BLK RED/WHT RED/VIO RED/VIO BLK BLK BLK BLK RED RED/VIO NCA BLK BLU/WHT W/ INDUCTIVE PORTABLE WIRELESS DEVICE CHARGER (IF EQUIPPED) (BLUNT CUT SHIELD) (110V AC) W/ 2-WAY POWER SEAT W/ 8-WAY POWER SEAT W/ MEMORY W/O MEMORY (W/ POWER LUMBAR SEAT) RETAINED ACCESSORY POWER RELAY PWR/ OUTLET1 FUSE 6 PWR/OUTLET2 FUSE 7 WCM FUSE 1 CENTER CONSOLE COMPARTMENT ACCESSORY POWER RECEPTACLE CENTER CONSOLE ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE MOBILE DEVICE WIRELESS CHARGER MODULE LOGIC ACCESSORY POWER RECEPTACLE 110V AC FRT/ HVAC FUSE 11 PASS/SEAT CIRCUIT BREAKER 12 DRVR/SEAT CIRCUIT BREAKER 13 BCM 4 FUSE 9 BCM 8 FUSE 10 ONSTAR FUSE 2 BCM 3 FUSE 8 BCM 5 FUSE 3 ACCESSORY DC/AC POWER INVERTER MODULE (LEFT SIDE OF DASH) (LEFT KICK PANEL) (LEFT KICK PANEL) (BELOW DRIVER SEAT) (LEFT SIDE OF DASH) (UNDER CENTER CONSOLE) (INSIDE PASS SEAT CUSHION VENT MAT) (LEFT KICK PANEL) J204 J204 J301 J208 (W/ LUMBAR SEAT) J322 J204 G305 G305 G307 G305 4601 1550 4512 5683 4640 5684 6807 1550 FROM RAP FUSE IN UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 6) FROM FUSE 2 OF BATTERY FUSE BLOCK (DIAGRAM 1 OF 6) FROM ACDCINV FUSE IN INSTRUMENT FUSE BLOCK (DIAGRAM 5 OF 6)
1 1 2 1 2 2 1 2 1 15A M 15A 10A 10A 86 30 30A 2A 30A H L J 15A 87 30A 5A F 7.5A 40A 30 85 INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL STEERING COLUMN POSITION CONTROL MODULE AUXILIARY AUDIO INPUT MOBILE DEVICES WIRELESS CHARGER MODULE MEDIA DISC PLAYER INFO DISPLAY MODULE HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE HVAC CONTROLS RADIO HUMAN MACHINE INTERFACE CONTROL MODULE INSTRUMENT CLUSTER LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH COOLING FAN LOW SPEED RELAY WINDSHIELD WIPER RELAY HEADLAMP LOW BEAM RELAY HORN RELAY HEADLAMP HIGH BEAM RELAY WINDSHIELD WIPER SPEED CONTROL RELAY UNDERHOOD FUSE BLOCK TRANSMISSION CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY PARKING ASSIST CONTROL MODULE FRONT VIEW CAMERA DISTANCE SENSING CRUISE CONTROL MODULE COLLISION ALERT INDICATORS HVAC CONTROL MODULE CHASSIS CONTROL MODULE LEFT SIDE OBJECT SENSOR MODULE RIGHT SIDE OBJECT SENSOR MODULE CENTER CONSOLE MULTI-FUNCTION SWITCH AUTOMATIC TRANSMISSION ASSEMBLY 16 22 X300 46 1 1 X1 27 X300 43 6 7 X1 X1 10 1 X1 X2 27 X150 16 1 73 X415 2 1 X1 3 5 2 X300 5 28 17 18 39 X1 43 10 7 1 1 X1 X202 1 3 X2 1 46 1 47 X300 23 X3 29 95 X210 X3 4 9 X2 1 X1 13 37 X1 43 X115 31 21 4 VIO RED/VIO VIO RED/VIO RED/BLU RED/BLU RED/BLU RED/BLU RED/BLU RED/BLU RED/BLU RED/BLU RED/BLU RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN VIO/GRY RED/GRN RED/VIO RED/VIO RED/VIO RED/VIO RED/WHT RED/BLU RED/BLU RED/BLU RED/WHT RED/WHT RED/BRN RED/VIO RED/VIO VIO/GRY VIO/GRY VIO/GRY VIO/BLK VIO/BLK VIO/BLK VIO/ VIO/GRY VIO/GRY VIO/BLK RED/WHT RED/WHT VIO/BLK GRY VIO/GRY (IF EQUIPPED) (W/ NAVIGATION) (W/ HID HEADLAMPS) W/ FORWARD COLLISION ALERT W/O FORWARD COLLISION ALERT (IF EQUIPPED) (W/ ADAPTIVE CRUISE CONTROL) (W/ HEATED SEATS) LOGIC/ MODE FUSE 18 TILT/TELE FUSE 25 SWC FUSE 22 ACDCINV FUSE 26 DISPLAY FUSE 5 RDO FUSE 4 FRT WPR FUSE 6 COOL FAN LO K1 FUSE 45 ACC FUSE 23 OBSTCL FUSE 62 TCM/CCM IGN FUSE 13 IP IGN FUSE 54 (LEFT SIDE OF DASH) (INSTRUMENT PANEL HARNESS, IN BREAKOUT TO INSTRUMENT PANEL FUSE BLOCK) (INSTRUMENT PANEL HARNESS, NEAR BRANCH TO LEFT INSTRUMENT PANEL SWITCHES) (UPPER STEERING COLUMN) (LEFT SIDE OF ENGINE COMPT) (BODY HARNESS, NEAR BRANCH TO LEFT REAR WHEELWELL) (INSTRUMENT PANEL HARNESS, NEAR BRANCH TO LEFT INSTRUMENT PANEL SWITCHES) (REAR BUMPER HARNESS, NEAR RIGHT SIDE OBJECT SENSOR MODULE) J201 J207 J401 J210 J417 FROM HVAC/ CNTRL FUSE (DIAGRAM 2 OF 6) TO ACCESSORY DC/AC POWER INVERTER MODULE (DIAGRAM 4 OF 6) FROM ENGINE CONTROLS IGNITION RELAY (DIAGRAM 3 OF 6) TO TCM BATT FUSE (DIAGRAM 6 OF 6) FROM BODY IGN2 FUSE (DIAGRAM 2 OF 6)
MODE CTRL LOW REF ACC VOLT RUN/CRANK IGN 1 VOLT 40A 87 5A 10A G START LED SIG MODE VOLT ACC LED LED SIG IGN 1 VOLT ACC VOLT RUN/CRANK RLY COIL CTRL RUN/CRANK 15A M KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE UNDERHOOD FUSE BLOCK COOLING FAN HIGH SPEED RELAY TRANSMISSION CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY EVAPORATIVE EMISSION VENT SOLENOID VALVE RAIN SENSOR REAR AUDIO CONTROL MODULE AUTOMATIC TRANSMISSION ASSEMBLY 11 13 12 X1 28 3 X2 4 21 X210 20 1 X2 63 X2 56 X302 1 1 X350 M 2 8 5 2 6 3 7 4 8 X1 17 X2 20 5 6 X3 15 X4 37 X3 10 X1 WHT BLK YEL VIO VIO/YEL GRN/BLK BLK/GRY VIO/BLK RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/GRN RED/BLU RED/GRN BLK BLU BRN VIO/YEL VIO/BLK BLK/GRY BLK GRN/BLK BLU BRN BLU/BLK YEL BLU/BLK GRN/VIO RED/GRN ENGINE START/STOP IGNITION MODE SWITCH COOL FAN HI K2 FUSE 42 CANN VENT FUSE 30 TCM BATT FUSE 1 FUSE 64 (LEFT KICK PANEL) (LEFT SIDE OF ENGINE COMPT) (BODY HARNESS, AT FRONT OF ROOF) J209 J240 G203 W/ REAR AUDIO CONTROL MODULE W/O REAR AUDIO CONTROL MODULE INTERIOR LIGHTS SYSTEM TO IGNITION MAIN RELAY IN UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 6) FROM ACC FUSE (DIAGRAM 5 OF 6)