Buick·Lucerne·2007 Buick Lucerne·Wiring
Wiring diagram

2007 Buick Lucerne — power distribution

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Power distribution

A J 10A 10A 10A 10A 60A 60A 50A 25A B B 10A 30A 30A 15A 50A 40A GENERATOR BATTERY STARTER MOTOR UNDERHOOD FUSE BLOCK HIGH/BEAM PCB RELAY LO/BEAM PCB RELAY TRN/SIG PCB RELAY TRN/SIG PCB RELAY AIR PUMP RELAY 9 PWR/TRAIN RELAY 4 HORN PCB RELAY AIR/SOL RELAY 12 COOL/FAN 2 RELAY 7 COOL/FAN 1 RELAY 1 A/C RELAY 11 CRNK RELAY 3 UNDERHOOD FUSE BLOCK FOG LAMP PCB RELAY WSH PCB RELAY WPR RELAY 8 WPR HI RELAY 10 INFLATABLE RESTRAINT I/P MODULE INDICATOR INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) ENGINE CONTROL MODULE (ECM) POWERTRAIN CONTROL MODULE (PCM) AUTOMATIC TRANSMISSION TRANSMISSION CONTROL MODULE (TCM) AUTOMATIC TRANSMISSION ELECTRONIC BRAKE CONTROL MODULE (EBCM) WINDSHIELD WASHER SOLVENT HEATER HVAC CONTROL MODULE RECIRCULATION ACTUATOR INSTRUMENT PANEL CLUSTER (IPC) 4 C2 7 20 C1 18 32 7 C2 8 4 6 7 C1 19 3 U E C1 31 E 9 2 31 C1 1 C2 15 31 C3 27 RED PNK/ RED/ GRY RED BLK RED/ PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK WHT BLK/ WHT BLK/ PNK PNK PNK PNK PNK PNK PNK BLK GRY RED/ RED RED/ RED RED RED/BLK BLK RED/BLK RED RED/ G112 FUSIBLE LINK AIR PUMP FUSE JC8 AIR/ SOL FUSE 27 A/C FUSE 26 CRNK FUSE JC4 FAN 2 FUSE JC5 FAN 1 FUSE JC2 ABS 1 FUSE JC7 WPR FUSE 18 WSH HTD FUSE JC1 ABS 2 FUSE JC6 RUN/ CRANK RELAY 6 AIR BAG IGN 3 FUSE 4 HVAC/IPC FUSE 14 ECM IGN 3 FUSE 5 TRANS IGN 3 FUSE 6 (ON RIGHT FRONT OF ENGINE COMPT, FORWARD OF STRUT TOWER) (ON RIGHT FRONT OF ENGINE COMPT, FORWARD OF STRUT TOWER) (IN ENGINE HARNESS, APPROXIMATELY 41 CM (16 IN) FROM UNDERHOOD FUSE BLOCK CONNECTOR C3) (LOWER LEFT REAR OF ENGINE) (IN IP HARNESS, BETWEEN C201 & C202) W/ ELECTRONIC A/C W/ AUTOMATIC A/C 3.8L 4.6L W/ HEATED NOZZLE W/ ELECTRONIC A/C W/ ELECTRONIC A/C W/ AUTOMATIC A/C W/ AUTOMATIC A/C (4.6L) (3.8L) S105 (4.6L) S111 S229 TO REAR FUSE BLOCK (DIAGRAM 2 OF 5) TO WPR FUSE (DIAGRAM 1 OF 5) FROM IGNITION SWITCH (DIAGRAM 5 OF 5) FROM TRN/SIG PCB RELAY (DIAGRAM 1 OF 5)
C 20A 30A 15A 10A A 10A 10A 10A D 15A 15A 30A 10A C 10A 15A REAR FUSE BLOCK DATA LINK CONNECTOR (DLC) DIGITAL RADIO RECEIVER EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) THEFT DETERRENT MODULE (TDM) HVAC CONTROL MODULE INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE VEHICLE COMMUNICATION INTERFACE MODULE RADIO AMPLIFIER INSTRUMENT PANEL CLUSTER (IPC) REAR FUSE BLOCK TRANSMISSION CONTROL MODULE (TCM) FRONT CLIMATE CONTROL SEAT MODULE FRONT PASSENGER DOOR MODULE (FPDM) POWERTRAIN CONTROL MODULE (PCM) DRIVER DOOR MODULE (DDM) GARAGE DOOR OPENER TRANSMITTER REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) BODY CONTROL MODULE ENGINE CONTROL MODULE (ECM) 16 1 C1 C1 8 10 C1 9 16 1 31 1 15 C1 A C1 4 C1 4 C1 E 10 C4 C1 20 C1 32 20 1 1 C1 WHT RED/ WHT RED/ RED DK BLU WHT TAN/ TAN/ DK BLU PNK ORG/ PNK ORG/ ORG/ PNK ORG/ PNK ORG/ PNK BRN PNK/ RED PNK/ RED PNK/ RED/ WHT RED/ VIO PNK/ TAN/ RED YEL/ GRY TAN/ ORG RED/ WHT WHT WHT RED/ RED/ RED/ WHT RED/ DK GRN DK GRN DK GRN RED/ RED/ ONSTAR/ S-BAND FUSE 22 I/P HARN MDL FUSE 31 RDO FUSE 21 AMP FUSE 1 AIR BAG FUSE 13 CNSTR VENT FUSE 5 DDM FUSE 24 PDM FUSE 25 ECM/TCM FUSE 28 RVC SENSE FUSE 29 HTD/ COOL FUSE 27 BODY HARN MDL FUSE 35 (BELOW LEFT SIDE OF REAR SEAT) (IN I/P HARNESS, APPROXIMATELY 6 CM (2 IN) FROM BRANCH FOR HVAC MODULE) (IN BODY HARNESS, APPROXIMATELY 10 CM (4 IN) FROM AUDIO AMPLIFIER CONNECTOR C1) (BELOW LEFT SIDE OF REAR SEAT) (IN ENGINE HARNESS, APPROXIMATELY 80 CM (31 IN) FROM UNDERHOOD FUSE BLOCK CONNECTOR C3) (IN BODY HARNESS, APPROXIMATELY 14 CM (6 IN) FROM BREAKOUT FOR YAW & LATERAL ACCELERATION SENSOR) (BASE) (UPLVL) S-BAND W/ PERFORMANCE ENHANCED AUDIO W/ ONSTAR 4.6L 3.8L S200 S366 S301 S100 FROM BATTERY (DIAGRAM 1 OF 5) TO BODY HARN MDL FUSE 35 (DIAGRAM 2 OF 5) FROM AMP FUSE 1 (DIAGRAM 2 OF 5) TO IGN SWTCH FUSE 48 (DIAGRAM 3 OF 5)
E 10A 25A 10A 25A F 15A 15A 10A 10A 10A 25A 5A D H 20A 20A E 10A 40A REAR FUSE BLOCK TRUNK RELSE RELAY 6 ELECTRONIC SUSPENSION CONTROL (ESC) MODULE PASSENGER SEAT ADJUSTER SWITCH AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR AUTOMATIC LEVEL CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH PASSENGER LUMBAR ADJUSTER SWITCH MEMORY SEAT MODULE PASSENGER SEAT ADJUSTER SWITCH REAR FUSE BLOCK BODY CONTROL MODULE (BCM) OBJECT ALARM MODULE BLOWER MOTOR CONTROL MODULE C3 C2 142 1 C E 6 5 1 3 4 2 C2 2 C3 C4 D D E G A A A 1 C1 C C C C A 6 ORG PNK/ TAN/ RED/ WHT RED/ WHT PPL TAN/ PPL RED/ WHT RED/ WHT ORG/ BRN PNK RED/ RED/ RED/ RED/ YEL GRN WHT DK GRN/ PNK/ DK BLU PPL RED/ PNK TAN/ DK BLU PNK/ YEL DK BLU TAN/ PNK RED/ TAN/ DK BLU DK BLU TAN/ DK BLU TAN/ WHT RED/ WHT RED/ DK GRN PNK/ WHT RED/ WHT RED/ BLK BLK BLK BLK BLK BLK RED/ WHT G304 G300 MSM LOGIC/ RF MASSAGE FUSE 36 MSM/LT FRT PWR SEAT CIRCUIT BREAKER 2 MRTD MDL FUSE 6 ELC MDL FUSE 7 MSM/RT FRT PWR SEAT CIRCUIT BREAKER 1 IGN SWITCH FUSE 48 HVAC BLWR FUSE JC1 LT TRN/ SIG FUSE 15 CHMSL/ BCK-UP FUSE 18 OBJ SNSR FUSE 37 SWITCH DM FUSE 10 RR TRN/ SIG FUSE 16 INT LAMPS FUSE 3 AUX PWR FUSE 23 AUX PWR FUSE 14 FRONT AUXILIARY POWER OUTLET AUXILIARY POWER OUTLET CONSOLE CIGAR LIGHTER CIGAR LIGHTER (BELOW LEFT SIDE OF REAR SEAT) (IN RIGHT FRONT SEAT HARNESS, APPROXIMATELY 114 CM (45 IN) FROM PASSENGER SEAT ADJUSTER SWITCH CONNECTOR) (BELOW LEFT SIDE OF REAR SEAT) (IN CENTER CONSOLE HARNESS, APPROXIMATELY 10 CM (4 IN) FROM BREAKOUT FOR A/T SHIFT LOCK CONTROL SOLENOID) (UNDER RIGHT FRONT PASSENGER'S SEAT) (UNDER DRIVER'S SEAT) W/ MEMORY SEAT W/O MEMORY SEAT W/ MULTI-DIRECTIONAL W/ 8-WAY W/ AIR SUSPENSION W/ MAGNETO RHEOLOGICAL W/ REAR PARKING ASSIST W/ CUSTOM SEAT W/ INDIVIDUAL SEAT (W/ CUSTOM SEAT) W/ INDIVIDUAL SEAT S348 S315 S221 S307 FROM PDM FUSE 25 (DIAGRAM 2 OF 5) TO OBJ SNSR FUSE 37 (DIAGRAM 3 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) FROM MRTD MDL FUSE 6 (DIAGRAM 3 OF 5) TO RAP RELAY 1 (DIAGRAM 4 OF 5)
15A G 10A 25A 10A F 10A 10A 25A 10A 30A 20A 20A G 40A REAR FUSE BLOCK BODY CONTROL MODULE (BCM) PARK SWITCH WINDSHIELD WASHER SOLVENT HEATER OUTSIDE MOISTURE SENSOR SUNROOF CONTROL MODULE FRONT PASSENGER DOOR MODULE (FPDM) FLOOR SHIFTER ASSEMBLY INSIDE REARVIEW MIRROR LEFT REAR DOOR WINDOW SWITCH RIGHT REAR DOOR WINDOW SWITCH DRIVER DOOR MODULE (DDM) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL HEATED STEERING WHEEL CONTROL MODULE REVERSE LOCKOUT SOLENOID FRONT CLIMATE CONTROL SEAT MODULE REAR FUSE BLOCK DR UNLCK RELAY 10 REAR DEFOG RELAY 14 ELC COMPRSR RELAY 15 PRK LAMP RELAY 2 DRL RELAY 4 FUEL/ PUMP RELAY 7 DR LCK RELAY 9 C C2 A C1 C 99 98 97 95 109 108 107 105 2 C1 2 C1 G G 2 C4 C3 3 4 11 C5 13 6 C2 A A C1 1 13 2 C2 A C2 1 14 15 90 93 100 102 1 1 8 6 14 NCA NCA BRN BRN BRN YEL YEL RED/ RED/ WHT WHT RED/ RED/ WHT WHT RED/ WHT TAN/ BRN LT GRN/ BLK/ BRN BLK BLK TAN PNK BRN YEL GRY PNK/ BRN BRN YEL YEL/ TAN/ BRN GRY YEL YEL/ BRN YEL/ BRN BRN BRN BRN BRN BRN BRN RED/ BLK RED/ RED/ RED/ RED/ RED/ RED/ RED/ BLK BLK WHT BLK BLK BLK BLK G301 BCM LOGIC FUSE 12 CTSY/ RF TRN FUSE 4 RAP RELAY 1 RUN RELAY 3 DR MDL/ PWR WNDW CIRCUIT BREAKER 3 HTD STR FUSE 44 HTD/ COOL/ IGN 3 FUSE 47 S/ROOF FUSE 17 SHFTR SOL FUSE 40 RAP FUSE 41 ELC COMPRSR FUSE JC3 REAR DEFOG FUSE JC2 FUEL PUMP FUSE 11 REAR DR LCK FUSE 19 (BELOW LEFT SIDE OF REAR SEAT) (IN BODY HARNESS, APPROXIMATELY 15 CM (6 IN) FROM BRANCH FOR BATTERY CURRENT SENSOR) (IN CENTER CONSOLE HARNESS, APPROXIMATELY 8 CM (3 IN) FROM BREAKOUT FOR A/T SHIFT LOCK CONTROL SOLENOID) (UNDER LEFT REAR SEAT) (IN BODY HARNESS, APPROXIMATELY 19 CM (8 IN) FROM BREAKOUT FOR G301) (BELOW LEFT SIDE OF REAR SEAT) (IN BODY HARNESS, APPROXIMATELY 64 CM (26 IN) FROM BRANCH FOR BATTERY CURRENT SENSOR) W/ CUSTOM SEAT W/ HEATED NOZZLE (IF EQUIPPED) W/ INDIVIDUAL SEAT W/ CUSTOM SEAT W/O FRONT HEATED SEAT COOLING W/ FRONT HEATED SEAT COOLING S382 S337 S381 S302 S317 FROM CHSML/ BCK-UP FUSE 18 (DIAGRAM 3 OF 5) TO REAR DEFOG FUSE JC2 (DIAGRAM 4 OF 5) FROM DR MDL/PWR WNDW CIRCUIT BREAKER 3 (DIAGRAM 3 OF 5)
H ACC OFF OFF START RUN RUN START RUN ACC OFF ACC ACC OFF RUN START RUN ACC START OFF START J 2A BODY CONTROL MODULE (BCM) REAR FUSE BLOCK INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL TRANSMISSION CONTROL MODULE (TCM) LEFT STEERING WHEEL CONTROL SWITCH ENGINE CONTROL MODULE (ECM) RIGHT STEERING WHEEL CONTROL SWITCH POWERTRAIN CONTROL MODULE (PCM) THEFT DETERRENT MODULE (TDM) 2 3 1 5 6 19 C4 2 21 C1 21 C6 21 4 2 14 18 C1 11 C1 F C1 C1 18 2 C2 F 6 BRN WHT DK BLU/ DK BLU WHT PPL/ PPL/ WHT DK BLU BRN PNK/ YEL BRN PNK WHT WHT/ BLK BRN BRN DK BLU/ PNK PNK YEL GRY/ BLK WHT DK BLU/ WHT DK BLU WHT DK BLU PPL/ WHT WHT PPL/ DK BLU/ DK BLU/ WHT IGNITION SWITCH KEY-IN SWITCH STR/WHL/ ILLUM FUSE 34 (IN STEERING COLUMN HARNESS, BETWEEN C203 & IGNITION SWITCH CONNECTOR) (BELOW LEFT SIDE OF REAR SEAT) (IN ENGINE HARNESS, APPROXIMATELY 13 CM (5 IN) FROM BREAKOUT FOR C138) 4.6L 3.8L S201 S104 FROM IGN SW FUSE (DIAGRAM 3 OF 5) TO RUN/CRANK RELAY 6 (DIAGRAM 1 OF 5)