Buick·Lacrosse·2013 Buick LaCrosse·Wiring
Wiring diagram

2013 Buick LaCrosse — power distribution

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Power distribution

1 2 1 2 1 2 80A 5A 175A 80A 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 STARTER MOTOR GENERATOR POWER STEERING CONTROL MODULE STARTER RELAY AUXILIARY HEATER COOLANT PUMP RELAY ENGINE CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP CONTROL MODULE POWER STEERING CONTROL MODULE TRANSMISSION CONTROL MODULE LEFT HEADLAMP HORIZONTAL MOTOR RIGHT HEADLAMP HORIZONTAL MOTOR SUNROOF SUNSHADE MOTOR MODULE ELECTRONIC BRAKE CONTROL MODULE SUNROOF CONTROL MODULE DRIVER SEAT LUMBAR SUPPORT SWITCH SEAT HEATING CONTROL MODULE SEAT MEMORY CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY STARTER/GENERATOR CONTROL MODULE HYBRID/EV BATTERY PACK RIGHT HEADLAMP LEFT HEADLAMP AUTOMATIC TRANSMISSION ASSEMBLY UNDERHOOD FUSE BLOCK BODY CONTROL MODULE HEADLAMP CONTROL MODULE POWER STEERING CONTROL MODULE STARTER/ GENERATOR CONTROL MODULE LEFT REAR WINDOW SWITCH RIGHT REAR WINDOW SWITCH BRAKE BOOSTER PUMP MOTOR RELAY LEFT REAR WINDOW MOTOR HYBRID/ EV BATTERY PACK RIGHT REAR WINDOW MOTOR PARKING BRAKE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE DRIVER WINDOW MOTOR AUDIO AMPLIFIER ELECTRONIC BRAKE CONTROL MODULE KEYLESS ENTRY CONTROL MODULE PASSENGER WINDOW MOTOR 2 2 X4 X1 1 1 X2 65 X2 5 X1 1 X10 A X5 A X2 2 X6 A 52 X1 27 2 9 18 X3 2 X301 1 X3 X2 X1 X6 X5 X7 A X1 X1 X1 63 9 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 X4 B X1 X1 4 20 X4 X5 4 1 1 8 8 X700 X800 2 2 X600 2 2 X500 25 A 5 M X403 B 1 B X120 B 1 X118 1 3 X301 G A X398 F 1 1 1 X4 A 90 X200 89 RED/ WHT RED/ WHT RED/ WHT RED/ RED/BLU RED/WHT RED/WHT RED/WHT RED/WHT RED/ DK BLU RED/ VIO RED/ VIO RED/ RED RED/YEL RED/DK BLU RED/DK BLU RED/DK BLU RED/DK BLU RED/BRN RED/GRN RED/DK GRN RED/ RED/ RED/ DK BLU RED/ RED RED/YEL RED RED/YEL VIO RED/GRN RED/GRN LT GRN RED/YEL RED/YEL RED/YEL RED/WHT WHT DK BLU RED/WHT RED/DK BLU RED/GRY RED/VIO RED/GRY RED/VIO (OR RED/GRN) LT GRN RED/WHT RED/WHT RED/YEL RED/DK BLU RED/YEL RED/YEL RED/GRY RED/GRY RED/GRY RED/GRY (OR RED/LT GRN) RED/DK BLU RED/GRY RED/GRY RED/YEL RED/YEL RED RED/YEL RED/YEL RED/WHT RED/WHT RED/BLU RED/BLK RED RED (NOT USED) W/ EXPRESS UP/DOWN W/O EXPRESS UP/DOWN (W/ BELT DRIVE) 2.4L 3.6L W/ ELECTRIC HYBRID PROPULSION W/ VARIBLE EFFORT W/O MEMORY W/ MEMORY (3.6L) (2.4L) (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/O EXPRESS UP/DOWN) (IF EQUIPPED) (W/O EXPRESS UP/DOWN) (W/O VARIBLE EFFORT) (W/ EXPRESS UP/DOWN) (W/ EXPRESS UP/DOWN) (IF EQUIPPED) BATTERY FUSE BLOCK FUSE 2 FUSE 4 FUSE 6 FUSE 1 FUSE 5 FUSE 3 MGU CLT PMP FUSE STARTER FUSE HTD ST FRT FUSE ECM BATT FUSE TCM BATT FUSE BPIM BATT FUSE ABS PUMP FUSE LMBR DR FUSE SUNROOF FUSE AFL MTR FUSE FSCM FUSE ABS VALVE FUSE BRK VAC PUMP FUSE BATT RVC FUSE FUSE 73 FUSE 72 CANN VENT FUSE OWIN RR FUSE PWIN FRT FUSE BCM 6 FUSE EPB FUSE AMP FUSE B ELECS FUSE AFL BATT FUSE (TOP OF BATTERY) (BODY HARNESS,127 MM FROM BREAKOUT TO X398) (LEFT SIDE OF BATTERY) J300 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)
1 2 1 2 1 2 A 87 86 87 5A 85 87 30 86 C 87 85 30 87 85 87 M J 15A 87 50A 86 30 5A 30 30A 30 5A 30 86 85 H G K L D 10A 30A 10A 5A 10A 10A 15A 15A 7.5A 2A 30A 30A 87 F F E 10A 5A 5A 5A 30 85 30A ENGINE CONTROLS IGNITION RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY SECONDARY AIR INJECTION PUMP RELAY UNDERHOOD FUSE BLOCK INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE STARTER/ GENERATOR CONTROL MODULE HYBRID/ EV BATTERY PACK HVAC CONTROL MODULE ENGINE CONTROL MODULE INSTRUMENT CLUSTER AIR QUALITY SENSOR ACTIVE GRILLE AIR SHUTTER ACTUATOR INSIDE REARVIEW MIRROR REARVIEW CAMERA HORN RELAY AUXILIARY HEATER COOLANT PUMP RELAY HEADLAMP LOW BEAM RELAY FRONT FOG LAMP RELAY AUXILIARY TRANS- MISSION FLUID PUMP RELAY HEADLAMP HIGH BEAM RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER RELAY WINDSHIELD WASHER PUMP RELAY REAR DEFOGGER RELAY COOLING FAN LOW SPEED RELAY COOLING FAN HIGH SPEED RELAY UNDERHOOD FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK DATA LINK CONNECTOR AUXILIARY AUDIO INPUT HVAC CONTROL MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE INSTRUMENT CLUSTER BODY CONTROL MODULE PASSENGER PRESENCE MODULE X201 41 6 X1 5 X200 44 X201 23 47 3 82 X1 X3 10 20 9 X411 4 X2 1 8 40 47 32 41 25 42 44 45 20 43 1 X2 X307 41 X200 40 A 20 9 X1 3 X1 4 16 48 43 X1 37 6 2 1 X2 31 81 X2 9 29 X2 X3 20 26 X2 X200 69 19 X1 51 17 X1 68 X200 23 14 X2 71 X1 17 2 5 3 1 VIO/BLK RED/BLU RED/BLU RED/BRN VIO/LT GRN VIO/GRY RED YEL/ BRN RED/ GRN RED/WHT VIO/BLK VIO/BLK RED/WHT RED/WHT VIO/ BLK VIO/ BLK VIO/ BLK VIO/ RED/DK BLU GRY GRY LT GRN/VIO RED/VIO RED/VIO RED/VIO RED/GRN RED/BLK RED/WHT RED/BLK RED/BRN RED/DK GRN RED/DK BLU RED/WHT RED/WHT RED/WHT BLK BLK RED VIO/BLK VIO/BLK VIO/GRY VIO/LT GRN VIO/GRY VIO/GRY VIO/WHT VIO/WHT VIO/WHT VIO/WHT BLK LT GRN/VIO 3.6L 2.4L (IF EQUIPPED) (IF EQUIPPED) (W/ HID) (2.4L) (2.4L) W/ HID W/O HID (W/O AUDIO INTERFACE) SAIR SOL FUSE SAIR PUMP FUSE IGNITION MAIN RELAY BDY RC IGN FUSE ECM IGN FUSE IP RC IGN FUSE MIL IGN FUSE SDM IGN FUSE BPIM IGN FUSE CL FAN K2 FUSE CL FAN K1 FUSE FRT WPR FUSE TRANS AUX PUMP FUSE HT COO- LANT PMP FUSE HVAC/ CNTRL FUSE DLC FUSE IPC FUSE AOS FUSE DLIS FUSE BCM 2 FUSE DISPLAY FUSE AIR BAG FUSE ACDC INV FUSE BCM 3 FUSE (LEFT SIDE OF BATTERY) (BODY HARNESS, 205 MM FROM BREAKOUT TO INLINE TO LEFT FRONT DOOR) (LEFT FRONT OF ENGINE COMPT) (LEFT SIDE OF BATTERY) (LOWER LEFT SIDE OF DASH) J102 J326 J116 G101 TO WINDSHIELD WASHER PUMP RELAY (DIAGRAM 2 OF 5) FROM AFL BATT FUSE (DIAGRAM 1 OF 5) TO VENT SEAT FUSE (DIAGRAM 4 OF 5) FROM BODY CONTROL MODULE (DIAGRAM 5 OF 5) TO MIR EWL FR FUSE (DIAGRAM 5 OF 5) FROM SAIR SOL FUSE (DIAGRAM 2 OF 5) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) TO BATT FUSE (DIAGRAM 3 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) TO SPLICE J323 (DIAGRAM 4 OF 5) TO SPLICE J206 (DIAGRAM 4 OF 5) TO ACCESSORY DC/AC POWER INVERTER MODULE (DIAGRAM 3 OF 5)
1 1 2 2 85 86 87 B 15A 15A 15A 40A 25A 25A 30A 15A L B+ PHS A GND GND 120 VAC INVERTER CTRL 30 20A 20A 15A 7.5A 10A D 25A REAR COMPARTMENT LID UNLATCH RELAY INSTRUMENT PANEL FUSE BLOCK JX201 RADIO MOBILE TELEPHONE CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE JX201 TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR BODY CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK JX201 BODY CONTROL MODULE BLOWER MOTOR CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH SEAT MEMORY CONTROL MODULE PASSENGER SEAT ADJUSTER SWITCH 24 X201 K M 19 X201 J M B M 4 11 13 14 15 X1 1 6 X1 X2 X1 X2 21 26 34 92 49 33 36 3 3 2 1 37 38 97 X200 95 35 1 1 X301 X307 4 X2 X5 E X4 5 E X200 2 1 3 6 4 5 10 9 8 7 12 11 3 X2 1 3 X1 1 X1 15 X201 39 X200 1 1 12 X4 4 23 29 30 24 19 22 27 28 18 39 31 A C C A X201 22 17 X1 44 X1 33 16 X200 BLK RED BLK BLK RED/LT GRN GRY/VIO BLK BLK RED/VIO RED/VIO RED GRY/ RED/BLK RED/WHT RED (OR RED/DK GRN) RED/BLK RED/VIO RED/YEL RED/LT GRN RED RED/BLK RED/VIO RED/YEL RED/BLK RED/YEL RED/VIO RED/BRN RED/YEL RED/VIO RED RED RED DK BLU/WHT (OR BRN) RED/VIO (OR BLU) DK BLU/WHT BLK RED BLK GRY/VIO GRY/VIO GRY/VIO GRY/VIO VIO GRY/VIO GRY/VIO (OR GRY) BRN/DK BLU BRN/DK BLU BLK BLK BLK VIO VIO DK GRN/WHT VIO VIO DK GRN/WHT DK GRN/WHT VIO BLK GRY/GRN GRY/GRN RED RED/VIO RED RED/VIO RED/BLU RED/BLK RED/BLU W/ VEHICLE COMMUNICATION SYSTEM W/O VEHICLE COMMUNICATION SYSTEM (110V) (220V) W/ MEMORY W/O MEMORY BATT FUSE TRUNK FUSE RETAINED ACCESSORY POWER RELAY PWR OUTLET 1 FUSE PWR OUTLET 2 FUSE ONSTAR/ UHP FUSE RDO FUSE CENTER CONTROL 1 ACCESSORY POWER RECEPTACLE CENTER CONTROL 2 ACCESSORY POWER RECEPTACLE 110V AC ACCESSORY POWER RECEPTACLE 220V AC ACCESSORY POWER RECEPTACLE FRT HVAC FUSE DRVR/SEAT CIRCUIT BREAKER PASS/SEAT CIRCUIT BREAKER BCM 8 FUSE BCM 1 FUSE BCM 4 FUSE BCM 7 FUSE BCM 5 FUSE ACCESSORY DC/AC POWER INVERTER MODULE (LOWER LEFT SIDE OF DASH) (UNDER FRONT OF CENTER CONSOLE) (I/P HARNESS, 98 MM FROM BREAKOUT TO HEADLAMP SWITCH) (BOTTOM OF LEFT "A" PILLAR) (UNDER FRONT OF CENTER CONSOLE) (BOTTOM OF OF LEFT "A" PILLAR) (LOWER LEFT SIDE OF DASH) (UNDER FRONT OF CENTER CONSOLE) (BOTTOM OF (BOTTOM OF OF LEFT OF LEFT "A" PILLAR) "A" PILLAR) J210 G305 G305 G305 G305 5683 5684 (OR 686) 4640 (OR 6865) 6807 1550 FROM DISPLAY FUSE (DIAGRAM 2 OF 5) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5)
C M J 10A 7.5A 15A 7.5A UNDERHOOD FUSE BLOCK TRANSMISSION CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY FUEL PUMP CONTROL MODULE FUEL PUMP DRIVER CONTROL MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE REAR WINDOW SUNSHADE MODULE DRIVER CUSHION SEAT BLOWER MOTOR DRIVER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER BACK SEAT BLOWER MOTOR PASSENGER SEATBACK VIDEO DISPLAY DRIVER SEATBACK VIDEO DISPLAY MULTIMEDIA PLAYER INTERFACE MODULE RADIO/ HVAC CONTROLS HEAD UP DISPLAY INFO DISPLAY MODULE AUXILIARY AUDIO INPUT X2 X201 46 X1 6 X1 1 X1 1 10 4 27 X301 27 X307 1 1 97 X204 15 X395 F X2 X307 4 X301 4 C C C C 4 1 X5 6 X4 1 X200 46 7 6 X3 X1 X1 31 X108 13 12 21 4 VIO/BLK RED/BLK RED/BLK RED/BLK RED/DK BLU RED/BLU RED/DK BLU RED/DK BLU RED/DK BLU RED/DK BLU RED/BLU RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN RED/BRN VIO/BLK VIO/BLK VIO/ BRN VIO/ BRN VIO/ BRN VIO/ BRN VIO/ RED/BLK RED/ VIO/BLK VIO/BLK PNK BLK VIO/BLK VIO/BLK RED/BLK VIO/BLK VIO/BLK RED/WHT BRN VIO/BLK VIO/BLK VIO/BLK VIO/BLK VIO/BLK (3.6L) 3.6L 2.4L (2.4L) W/ VENTILATED SEAT W/O VENTILATED SEAT W/ DRIVER FAN SEAT W/ PASSENGER FAN SEAT (IF EQUIPPED) (W/ AUDIO INTERFACE) (IF EQUIPPED) (IF EQUIPPED) TRN FSC IGN FUSE VENT SEAT FUSE STG WHL HT FUSE STEERING COLUMN FUSE HOLDER HTD WHL FUSE (LEFT SIDE OF BATTERY) (BODY HARNESS,50 MM FROM BREAKOUT TO DRIVER SEAT BELT RETRACTOR PRETENSIONER) (BODY HARNESS, 475 MM FROM BREAKOUT TO SDM CONNECTOR) (I/P HARNESS,65 MM FROM BREAKOUT TO DASH) J381 J388 J389 J323 J206 FROM ECM IGN FUSE (DIAGRAM 2 OF 5) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 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 30A 10A 25A 10A 5A 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 START ACC OFF RUN START RUN START ACC OFF RUN OFF ACC KEYLESS ENTRY CONTROL MODULE BODY CONTROL MODULE UNDERHOOD FUSE BLOCK FRONTVIEW CAMERA MODULE REAR PARKING ASSIST CONTROL MODULE SUSPENSION CONTROL MODULE OUTSIDE REARVIEW MIRROR SWITCH GARAGE DOOR OPENER LEFT SIDE OBJECT SENSOR RIGHT SIDE OBJECT SENSOR PASSENGER WINDOW SWITCH REAR DIFFERENTIAL CLUTCH CONTROL MODULE DRIVER WINDOW SWITCH REAR SEAT HEATING CONTROL MODULE PASSENGER SEAT LUMBAR SUPPORT CONTROL MODULE HYBRID/ EV BATTERY PACK COOLING FAN 3 5 X1 X307 3 X2 1 56 M X408 X1 X1 M 6 X1 X314 A X2 B 40 1 67 X406 F X407 A7 X1 7 7 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 X200 28 20 21 X2 4 3 12 X1 11 15 X4 6 5 22 15 X3 1 3 4 6 2 RED/DK GRN RED/YEL RED/YEL RED/YEL RED/YEL RED/WHT RED/DK BLU RED/YEL RED/YEL VIO/YEL VIO/BLK RED/GRY RED/GRY VIO/BLK VIO/YEL VIO/BLK VIO/YEL VIO/BLK VIO/YEL RED/ LT GRN RED/LT GRN RED/ LT GRN RED/ LT GRN RED/LT GRN (OR RED) RED/ LT GRN RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO RED/VIO LT GRN/VIO RED/VIO RED/VIO YEL BLK BRN/BLK DK BLU/BLK DK BLU/BLK BRN/BLK DK BLU BLK DK BLU LT GRN/YEL BLK/BRN LT GRN/YEL BLK/BRN LT GRN/YEL VIO/BLK VIO/YEL BLK VIO/YEL VIO/BLK LT GRN/VIO WHT WHT VIO/BLK VIO/YEL WHT WHT RED/DK BLU (W/O KEYLESS ENGINE START) W/O KEYLESS ENGINE START W/ KEYLESS ENGINE START (W/ KEYLESS ENGINE START) W/ MEMORY (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/O SPO ACCESSORY) IGNITION SWITCH KEY IN IGNITION SWITCH ACC IND START IND ILL IGNITION MODE SWITCH P-P BLOWER FUSE PEPS MTR FUSE UPA/SBZA FUSE MIR EWL FR FUSE PEPS BATT FUSE AWD FUSE (BOTTOM OF "A" PILLAR) (LEFT SIDE OF BATTERY) (BUMPER HARNESS, 151MM FROM BREAKOUT TO X406) J213 J332 J435 G203 FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 5) TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 5) INTERIOR LIGHTS SYSTEM FROM CL FAN K2 FUSE (DIAGRAM 2 OF 5)