Buick·Lacrosse·2014 Buick LaCrosse·Wiring
Wiring diagram

2014 Buick LaCrosse — power distribution

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Power distribution

1 2 3 4 4 3 1 2 1 2 1 1 2 175A 10A 80A 5A 87 10A 5A 5A E 20A 25A 30A 5A 15A 30A 30A 25A 30A 20A 10A 10A 15A 7.5A 15A 30A 60A 30 30A 300A 250A B A 100A 60A 60A BATTERY POWER STEERING CONTROL MODULE POWER STEERING CONTROL MODULE GENERATOR STARTER MOTOR AUXILIARY HEATER COOLANT PUMP RELAY STARTER RELAY ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE CHASSIS CONTROL MODULE POWER STEERING CONTROL MODULE RIGHT HEADLAMP HORIZONTAL MOTOR TCM LEFT HEADLAMP HORIZONTAL MOTOR FRONT SEAT HEATING CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE SUNROOF CONTROL MODULE SUNROOF SUNSHADE MOTOR MODULE SEAT MEMORY CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY STARTER/GENERATOR CONTROL MODULE HYBRID/EV BATTERY PACK RIGHT HEADLAMP ASSEMBLY LEFT HEADLAMP ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY UNDERHOOD FUSE BLOCK HEADLAMP CONTROL MODULE BRAKE BOOSTER PUMP MOTOR RELAY BODY CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE PASSENGER WINDOW MOTOR PARKING BRAKE CONTROL MODULE AUDIO AMPLIFIER KEYLESS ENTRY CONTROL MODULE DRIVER WINDOW MOTOR EVAPORATIVE EMISSION VENT SOLENOID VALVE LEFT REAR WINDOW SWITCH RIGHT REAR WINDOW SWITCH X2 2 X5 A A X10 4 X2 X4 X1 1 1 X2 65 X2 5 X1 1 52 X1 27 2 9 18 X3 2 X310 1 X3 X2 X1 X6 X5 X7 X1 X1 X1 63 10 X2 1 10 X2 74 71 72 68 33 X1 36 70 42 38 X2 73 69 2 37 X3 X2 27 44 41 34 1 X1 X1 4 20 X4 X5 4 1 1 8 1 X700 X800 2 2 X600 2 2 X500 25 A 5 M X350 B 1 8 X120 8 1 X110 1 5 X320 3 A X398 F 1 1 1 X4 A 90 X210 89 RED/YEL RED/GRN RED RED GRY GRY RED/WHT RED/WHT RED/WHT RED/BLU RED/BRN RED RED/WHT RED/WHT RED/WHT RED/WHT RED/WHT RED/BLU RED/ VIO RED/ VIO RED/ RED/BLU RED/BLU RED/BLU RED/BLU RED/GRN RED/ RED/BLU RED RED/YEL RED RED/YEL VIO RED/GRN GRN RED/YEL RED/YEL RED/YEL RED/WHT RED/WHT RED/BLU RED/GRY RED/VIO RED/GRY RED/VIO RED/GRN RED/GRN GRY BRN RED/YEL RED/BLU RED/GRY RED/YEL RED/GRY RED/GRY RED/GRY RED/GRY RED/GRN RED/BLU RED/GRY RED/GRY RED/YEL RED RED RED RED/YEL RED/WHT RED/WHT RED/BLU RED/BLK RED RED 2.4L 3.6L W/ FRONT ACTIVE GRILLE SHUTTERS W/O FRONT ACTIVE GRILLE SHUTTERS (W/O VARIABLE EFFORT OR BELT DRIVE) (W/ BELT DRIVE) W/ POWER STEERING CONTROL W/O POWER STEERING CONTROL (W/ VARIABLE EFFORT) (IF EQUIPPED) (IF EQUIPPED) W/ PASSIVE KEYLESS ENTRY (IF EQUIPPED) (IF EQUIPPED) BATTERY FUSE BLOCK FUSE 1 FUSE 2 FUSE 6 FUSE 4 FUSE 5 FUSE 3 MGU CLT PMP FUSE STARTER FUSE BPIM BATT VES FUSE MEM ST FUSE ECM BATT FUSE TCM BATT FUSE ABS PUMP FUSE FUSE 73 HTD ST DR FUSE AFL MTR FUSE SUNROOF FUSE FSCM FUSE ABS VALVE FUSE BATT RVC FUSE BRK VAC PUMP FUSE WDO FRT FUSE PEPS FUSE EPB FUSE BCM 6 FUSE WDO RR FUSE CANN VENT FUSE AMPLIFIER FUSE AFL BATT FUSE (TOP OF BATTERY) (BODY HARNESS, 190 MM FROM BREAKOUT TO STARTER/ GENERATOR CONTROL MODULE) (IN RIGHT LAMP HARNESS) (LEFT SIDE OF BATTERY) J300 J139 J301 TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 5) TO IGNITION MAIN RELAY (DIAGRAM 2 OF 5)
A 20A 15A 86 87 86 87 30 10A 15A 10A 5A 86 87 30 85 C 30 87 85 87 J 15A 50A 86 30 10A 30 30A 30 5A 30 86 85 H G K L D 10A 30A 10A 5A 10A 15A 15A 7.5A 2A 30A 30A 87 F F E 10A 5A 5A 30 85 30A ENGINE CONTROLS IGNITION RELAY A/C COMPRESSOR CLUTCH RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY SECONDARY AIR INJECTION PUMP RELAY START/ GENERATOR COOLANT PUMP RELAY UNDERHOOD FUSE BLOCK STARTER/ GENERATOR CONTROL MODULE HYBRID/ EV BATTERY PACK ENGINE CONTROL MODULE HVAC CONTROL MODULE PASSENGER AIR BAG DISABLED INDICATOR IGNITION COIL 6 IGNITION COIL 4 ACTIVE GRILLE AIR SHUTTER ACTUATOR AIR QUALITY SENSOR ENGINE CONTROL MODULE IGNITION COIL 2 INSIDE REARVIEW MIRROR INSTRUMENT CLUSTER REARVIEW CAMERA HORN RELAY AUXILIARY HEATER COOLANT PUMP RELAY HEADLAMP LOW BEAM RELAY ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP RELAY FRONT FOG LAMP RELAY HEADLAMP HIGH BEAM RELAY WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY REAR DEFOGGER RELAY COOLING FAN LOW SPEED RELAY COOLING FAN HIGH SPEED RELAY UNDERHOOD FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK DATA LINK CONNECTOR HVAC CONTROL MODULE BODY CONTROL MODULE INSTRUMENT CLUSTER INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE AUXILIARY BLOWER MOTOR CONTROL MODULE PASSENGER PRESENCE MODULE X3 1 X1 67 73 D D D 3 5 X201 18 2 X1 46 X900 6 X397 A11 4 X210 44 X201 23 47 3 82 X1 X3 10 20 9 X915 4 X2 1 8 40 47 32 25 42 44 45 20 43 1 X2 X320 41 X210 37 3 7 9 X1 3 X1 4 16 48 43 X1 37 6 2 1 X2 31 81 X2 9 29 X2 X3 20 26 X2 X210 69 8 X1 51 23 71 X1 17 GRN/VIO VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/BLU VIO/ BLK VIO/ BLK RED/BLK RED/BLK VIO/ BLK VIO/ BLK VIO/GRY VIO/GRY VIO/GRY VIO/GRN VIO/GRY RED RED RED/ WHT RED/WHT VIO/BLK VIO/BLK RED/WHT RED/WHT VIO/ BLK VIO/ BLK RED/BLU GRY GRY RED/VIO RED/VIO RED/VIO RED/WHT RED/GRY RED/WHT RED/BLK RED/BRN RED/GRN RED/BLU RED/WHT RED/WHT RED/WHT BLK VIO/BLK RED VIO/BLK VIO/BLK VIO/GRY VIO/GRN VIO/GRY VIO/GRY VIO/WHT VIO/WHT BLK GRN/VIO (2.4L CALIFORNIA) (2.4L CALIFORNIA) (2.4L) (IF EQUIPPED) (IF EQUIPPED) (2.4L) (2.4L) A/C CLUTCH FUSE SAIR PUMP FUSE MGU CLT PUMP FUSE SAIR SOL FUSE IGNITION MAIN RELAY INJ EVEN FUSE ECM FUSE BDY RC IGN FUSE ECM IGN FUSE IP RC IGN FUSE BPIM IGN FUSE MIL IGN FUSE COOL FAN K1 FUSE COOL FAN K2 FUSE FRT WIPER FUSE TRANS AUX PUMP FUSE CABIN HTR COOL PMP FUSE REAR HVAC/ BLWR FUSE HVAC/ CNTRL FUSE ACDC INV FUSE AIR BAG FUSE DLC FUSE DLIS FUSE BCM 2 FUSE DISPLAY FUSE IPC FUSE BCM 1 FUSE (BODY HARNESS, 205 MM FROM BREAKOUT TO INLINE TO LEFT FRONT DOOR) (IN BODY HARNESS, 100 MM FROM FORMED CONDUIT AT DRIVER DOOR SILL) (LEFT SIDE OF BATTERY) (ENGINE HARNESS, 69 MM FROM BREAKOUT TO IGNITION COIL 6) (LEFT FRONT OF ENGINE COMPT) (LEFT SIDE OF BATTERY) (LOWER LEFT SIDE OF DASH) J326 J102 J323 J133 J994 J116 G101 TO WINDSHIELD WASHER PUMP RELAY (DIAGRAM 2 OF 5) FROM AFL BATT FUSE (DIAGRAM 1 OF 5) TO SEAT MASS FUSE (DIAGRAM 4 OF 5) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 5) TO MIR EWL FR FUSE (DIAGRAM 5 OF 5) FROM MGU CLT PUMP FUSE (DIAGRAM 2 OF 5) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) TO LOGIS/MODE FUSE (DIAGRAM 3 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) TO SPLICE J206 (DIAGRAM 4 OF 5) TO ACCESSORY DC/AC POWER INVERTER MODULE (DIAGRAM 3 OF 5)
110V AC PHASE B 110V AC 2A M 20A B 15A 15A 40A 25A 25A 30A 15A L B+ PHASE B GND 120 VAC INVERTER CTRL 20A 20A 15A 7.5A 10A D 25A REAR COMPARTMENT LID UNLATCH RELAY INSTRUMENT PANEL FUSE BLOCK JX201 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE JX201 TRANSMISSION SHIFT LEVER POSITION INDICATOR BODY CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL PASSENGER SEAT ADJUSTER SWITCH JX201 BODY CONTROL MODULE BLOWER MOTOR CONTROL MODULE DRIVER SEAT LUMBER SUPPORT VALVE ASSEMBLY LOGIC DRIVER SEAT LUMBER SUPPORT PUMP SEAT MEMORY CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH RIGHT STEERING CONTROL SWITCH 10 10 1 X2 1 5 10 X1 26 1 3 17 23 24 X201 21 5 22 C A 24 X201 K M 19 X201 J M B M 4 11 2 13 14 15 6 X1 X1 X2 21 34 94 49 33 36 3 2 1 37 38 91 X210 22 35 1 1 X310 X320 4 X2 X5 E X1 2 6 X210 2 1 3 6 4 5 10 9 8 7 12 11 3 X2 1 3 X1 1 X1 8 X201 39 X200 1 12 X4 5 16 30 29 19 22 27 28 18 39 31 A C C A X201 20 17 X1 36 15 X210 BLK ORG ORG BLK VIO GRY/ RED/ YEL RED/ YEL RED/ YEL RED/ RED/ RED/ RED/ RED/ RED/ BRN BRN VIO VIO VIO GRY/VIO BLK VIO BLK RED BLK BLK GRY/VIO BLK BLK RED/YEL GRY/ RED/BLK RED/WHT RED/GRN RED/BLK RED/WHT RED/VIO RED/GRN RED/BLK RED/WHT RED/VIO BLK YEL RED/VIO BRN YEL RED/VIO BRN YEL RED/YEL DK BLU/WHT RED/VIO DK BLU/WHT BLK RED BLK GRY/VIO GRY/VIO VIO GRY/VIO (OR GRY) BRN/BLU BRN/BLU BLK BLK BLK VIO VIO DK GRN/WHT VIO VIO VIO BLK GRY/GRN GRY/GRN RED/VIO RED/VIO RED/VIO RED/BLU RED/BLK RED/BLU (110V) 8-WAY POWER SEAT 2-WAY POWER SEAT W/ MEMORY W/O MEMORY LOGIS/ MODE FUSE TRUNK FUSE RETAINED ACCESSORY POWER RELAY PWR OUTLET 2 FUSE PWR/ OUTLETS FUSE PWR/ OUTLET 1 FUSE ONSTAR/ UHP FUSE RDO FUSE CENTER CONSOLE 2 ACCESSORY POWER RECEPTACLE CENTER CONTROL COMPARTMENT ACCESSORY POWER RECEPTACLE CENTER CONSOLE 1 ACCESSORY POWER RECEPTACLE LOGIC 110V AC ACCESSORY POWER RECEPTACLE FRT/HVAC/ BLWR FUSE PASS/SEAT CIRCUIT BREAKER DRVR/SEAT CIRCUIT BREAKER BCM 7 FUSE BCM 4 FUSE BCM 3 FUSE MAIN FUSE BCM 8 FUSE ACCESSORY DC/AC POWER INVERTER MODULE (LOWER LEFT SIDE OF DASH) (INSTRUMENT PANEL HARNESS, 40 MM FROM BREAKOUT TO BODY CONTROL MODULE) (PASSENGER COMPT, CENTER OF INSTRUMENT PANEL) (BOTTOM OF LEFT "A" PILLAR) (INSTRUMENT PANEL HARNESS, 100 MM FROM BREAKOUT TO LEFT INSTRUMENT PANEL) (PASSENGER COMPT, CENTER OF INSTRUMENT PANEL) (BOTTOM OF OF LEFT "A" PILLAR) (LOWER LEFT SIDE OF DASH) (BELOW CENTER CONSOLE) (PASSENGER COMPT, CENTER OF INSTRUMENT PANEL) (BOTTOM OF OF LEFT "A" PILLAR) J214 J210 J320 J307 G305 G305 G305 5683 5684 4640 6807 1550 FROM DISPLAY FUSE (DIAGRAM 2 OF 5) GROUND DISTRIBUTION SYSTEM TO SPLICE J209 (DIAGRAM 4 OF 5) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5)
1 2 1 2 3 4 4 3 86 3.6L 2.4L M W/O FRONT ACTIVE GRILLE SHUTTERS W/ FRONT ACTIVE GRILLE SHUTTERS C J 10A 7.5A 15A 7.5A ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP RELAY UNDERHOOD FUSE BLOCK TRANSMISSION CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY CHASSIS CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR REAR WINDOW SUNSHADE MODULE DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR MEDIA DISC PLAYER RADIO AUDIO/VIDEO INPUT ADAPTER HUMAN MACHINE INTERFACE CONTROL MODULE INFO DISPLAY MODULE AUXILIARY AUDIO INPUT HEAD UP DISPLAY HVAC CONTROLS DRIVER SEAT HEADREST VEDIO DISPLAY PASSENGER SEAT HEADREST VEDIO DISPLAY X1 X201 X1 X310 43 X320 43 X204 97 X4 1 X4 1 1 2 X1 7 12 X1 1 X1 6 1 X1 7 X2 X1 1 6 15 X395 F X2 X320 4 X310 4 B B 2 4 1 X5 X3 1 X210 8 7 6 X3 X1 X1 31 X115 13 12 21 4 RED/ BLU RED/ BLU RED/ BLU RED/ RED/BLU BLU RED/BLU RED RED VIO/BLK RED RED RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO VIO/BRN VIO/BRN VIO/BRN VIO/BLK VIO/BLK VIO/BLK RED/BLU RED/BLU RED/BLU VIO/BLK VIO/ BRN VIO/BLK VIO/BLK VIO/BLK RED VIO/BLK VIO/BLK VIO/BLK RED VIO/BRN VIO/BLK VIO/BLK VIO/BLK VIO/BLK VIO/BLK (2.4L) W/ DRIVER FRONT VENTILATED SEAT W/ PASSENGER FRONT VENTILATED SEAT (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) TRN FSC IGN FUSE SEAT MASS FUSE HTD WHEEL FUSE STEERING COLUMN FUSE HOLDER FUSE (LEFT SIDE OF BATTERY) (BODY HARNESS,50 MM FROM BREAKOUT TO DRIVER SEAT BELT RETRACTOR PRETENSIONER) (PASSENGER SEAT HARNESS) (DRIVER SEAT HARNESS) (INSTRUMENT PANEL HARNESS, 30 MM FROM BREAKOUT TO AMBIENT LIGHT/SUNLOAD SENSOR) (I/P HARNESS,65 MM FROM BREAKOUT TO DASH) J381 J389 J388 J206 J209 FROM ECM IGN FUSE (DIAGRAM 2 OF 5) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 5) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5)
COIL CTRL RUN/CRANK RLY START LED SIG ACC LED SIG MODE VOL RUN/CRANK IGN VOLT ACC VOLY OFF/RUN/CRANK VOL IGN KEY SIG 15A 10A 25A 10A 5A ILL START IND ACC IND 7.5A H ACC VOLT RUN/CRANK 1 VOLT LOW REFERENCE IGNITION MODE SW CTRL G K START RUN OFF OFF RUN ACC START ACC ACC OFF RUN START RUN START OFF ACC KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE UNDERHOOD FUSE BLOCK LOGIC HYBRID/ EV BATTERY PACK COOLING FAN REAR PARKING ASSIST CONTROL MODULE LEFT SIDE OBJECT SENSOR MODULE SUSPENSION CONTROL MODULE PASSENGER WINDOW SWITCH REAR DIFFERENTIAL CLUTCH CONTROL MODULE RIGHT SIDE OBJECT SENSOR MODULE FRONT SEAT HEATING CONTROL MODULE DISTANCE SENSING CRUISE CONTROL MODULE OUTSIDE REARVIEW MIRROR SWITCH FRONTVIEW CAMERA MODULE GARAGE DOOR OPENER DRIVER WINDOW SWITCH X102 13 3 M 1 M X408 1 X505 1 X393 17 X506 5 X2 X320 3 X2 2 56 X1 1 78 X2 40 1 67 X406 6 X1 8 8 1 64 19 X500 B9 X397 23 X600 23 X500 X1 4 1 4 4 28 8 X1 8 20 5 2 17 X2 4 6 3 7 13 X210 28 20 21 X2 4 3 12 X1 11 15 X4 6 5 22 15 X3 1 3 4 6 2 RED/GRY RED/GRY RED/GRY RED/GRY RED/GRN RED/GRN RED/YEL RED/BLU RED/BLU RED/GRY RED/VIO RED/VIO RED/VIO (OR VIO) VIO/BLK VIO/YEL (OR GRN) RED/YEL RED/YEL RED/YEL RED/GRY GRN VIO RED/GRY (OR RED/BLU) VIO GRN (OR VIO) (OR GRN) VIO/BLK VIO/YEL RED/GRN RED/ GRN RED/ GRN RED/GRN RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO GRN/VIO RED/VIO RED/VIO YEL BLK BRN DK BLU/BLK DK BLU/BLK BRN BLU BLK BLU GRN/YEL BLK/BRN GRN/YEL BLK/BRN GRN VIO/BLK VIO/YEL BLK VIO/YEL VIO/BLK GRN/VIO WHT GRY VIO GRN WHT GRY RED/BLU (W/O KEYLESS ENGINE START) W/O KEYLESS ENGINE START W/ KEYLESS ENGINE START (W/ KEYLESS ENGINE START) (NOT USED) EXCEPT HYBRID HYBRID W/ SUSPENSION W/O SUSPENSION W/ MEMORY (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) IGNITION SWITCH KEY IN IGNITION SWITCH ENGINE START/ STOP IGNITION MODE SWITCH RR HTD ST FUSE MIR EWL FR FUSE OBST DETCT FUSE AWD/SADS FUSE P-P BLOWER FUSE LRR LDW FUSE (LEFT SIDE OF DASH) (LEFT KICK PANEL) (LEFT SIDE OF BATTERY) (BODY HARNESS, 50 MM FROM BREAKOUT TO INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE) (FORWARD LAMP HARNESS, 60 MM FROM BREAKOUT TO LEFT HEADLAMP HARNESS) (BUMPER HARNESS, 80 MM FROM BREAKOUT INLINE CONNECTOR TO BODY HARNESS) (BODY HARNESS, 260 MM FROM BREAKOUT TO LEFT REAR DOOR INLINE CONNECTOR X700) J213 J332 J111 J220 J435 G203 FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5) TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 5) INTERIOR LIGHTS SYSTEM FROM COOL FAN K2 FUSE (DIAGRAM 2 OF 5)