Buick·Lucerne·2006 Buick Lucerne·Wiring
Wiring diagram

2006 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 AIR PUMP RELAY 9 A/C RELAY 11 COOL/FAN 2 RELAY 7 COOL/FAN 1 RELAY 1 TRN/SIG PCB RELAY HIGH/BEAM PCB RELAY AIR/SOL RELAY 12 LO/BEAM PCB RELAY CRNK RELAY 3 HORN PCB RELAY TRN/SIG PCB RELAY PWR/TRAIN RELAY 4 UNDERHOOD FUSE BLOCK FOG LAMP PCB RELAY WSH PCB RELAY WPR HI RELAY 10 WPR RELAY 8 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 WINDSHIELD WASHER SOLVENT HEATER ELECTRONIC BRAKE CONTROL MODULE (EBCM) MODE ACTUATOR INSTRUMENT PANEL CLUSTER (IPC) HVAC CONTROL MODULE 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/ 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 FAN 2 FUSE JC5 CRNK FUSE JC4 AIR PUMP FUSE JC8 A/C FUSE 26 FAN 1 FUSE JC2 AIR/ SOL FUSE 27 WSH HTD FUSE JC1 ABS 2 FUSE JC6 WPR FUSE 18 ABS 1 FUSE JC7 RUN/ CRANK RELAY 6 TRANS IGN 3 FUSE 6 HVAC/IPC FUSE 14 ECM IGN 3 FUSE 5 AIR BAG IGN 3 FUSE 4 (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 4.6L 3.8L W/ HEATED NOZZLE W/ AUTOMATIC A/C W/ ELECTRONIC A/C W/ AUTOMATIC A/C W/ ELECTRONIC A/C (4.6L) (3.8L) S105 (4.6L) S111 S229 TO REAR FUSE BLOCK (DIAGRAM 2 OF 5) TO FOG LAMP PCB RELAY (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) AMPLIFIER INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) HVAC CONTROL MODULE VEHICLE COMMUNICATION INTERFACE MODULE DIGITAL RADIO RECEIVER EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE RADIO INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE THEFT DETERRENT MODULE (TDM) INSTRUMENT PANEL CLUSTER (IPC) REAR FUSE BLOCK ENGINE CONTROL MODULE (ECM) DRIVER DOOR MODULE (DDM) BODY CONTROL MODULE POWERTRAIN CONTROL MODULE (PCM) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) GARAGE DOOR OPENER TRANSMITTER FRONT PASSENGER DOOR MODULE (FPDM) FRONT HEATED SEAT MODULE TRANSMISSION CONTROL MODULE (TCM) INSIDE REARVIEW MIRROR 1 C1 C1 8 10 C1 9 16 1 31 1 15 C1 16 A C1 4 C1 4 C1 E 10 C4 C1 20 C1 32 20 1 1 1 C1 WHT RED/ RED DK BLU WHT TAN/ TAN/ DK BLU PNK ORG/ BRN PNK/ 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 RED/ DK GRN RED/ DK GRN DK GRN RED/ RED/ I/P HARN MDL FUSE 31 RDO FUSE 21 AIR BAG FUSE 13 CNSTR VENT FUSE 5 ONSTAR/ S-BAND FUSE 22 AMP FUSE 1 PDM FUSE 25 DDM FUSE 24 ECM/TCM FUSE 28 BODY HARN MDL FUSE 35 HTD/ COOL FUSE 27 RVC SENSE FUSE 29 (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) W/ PERFORMANCE ENHANCED AUDIO W/ DIGITAL RADIO W/ ONSTAR 4.6L 3.8L W/ TQ5 S200 S366 S301 S100 FROM BATTERY (DIAGRAM 1 OF 5) TO BODY HARN MDL FUSE 35, 10A (DIAGRAM 2 OF 5) FROM AMP FUSE 1 (DIAGRAM 2 OF 5) TO IGN SWTCH FUSE 48, 5A (DIAGRAM 3 OF 5)
E 10A 25A 25A 10A 25A F 15A 15A 10A 10A 10A 25A 5A D H 20A 20A E 10A REAR FUSE BLOCK TRUNK RELSE RELAY 6 PASSENGER SEAT ADJUSTER SWITCH PASSENGER LUMBAR ADJUSTER SWITCH ELECTRONIC SUSPENSION CONTROL (ESC) MODULE PASSENGER SEAT ADJUSTER SWITCH AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR DRIVER POSITION MODULE AUTOMATIC LEVEL CONTROL MODULE DRIVER SEAT ADJUSTER SWITCH REAR FUSE BLOCK OBJECT ALARM MODULE BODY CONTROL MODULE (BCM) 142 1 C E 2 C3 6 5 1 3 4 2 C2 2 C3 C4 D D E G A A A 1 C1 C C C C A GRY) DK GRN/ (OR (OR RED/ YEL) YEL) (OR RED/ YEL) (OR RED/ YEL) (OR RED/ YEL) (OR RED/ TAN/ RED/ WHT RED/ WHT TAN/ YEL PPL TAN/ PPL RED/ WHT RED/ WHT TAN/ YEL 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/LT FRT PWR SEAT CIRCUIT BREAKER 2 ELC MDL FUSE 7 MSM CIRCUIT BREAKER 4 MSM LOGIC/ RF MASSAGE FUSE 36 MRTD MDL FUSE 6 MSM/RT FRT PWR SEAT CIRCUIT BREAKER 1 IGN SWITCH FUSE 48 AUX PWR FUSE 23 SWITCH DM FUSE 10 RR TRN/ SIG FUSE 16 CHMSL/ BCK-UP FUSE 18 LT TRN/ SIG FUSE 15 OBJ SNSR FUSE 37 INT LAMPS FUSE 3 AUX PWR FUSE 14 AUXILIARY POWER OUTLET CONSOLE FRONT AUXILIARY POWER OUTLET 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/ MAGNETIC RIDE CONTROL W/ AIR SUSPENSION W/ REAR PARKING ASSIST W/ CUSTOM SEAT W/ INDIVIDUAL SEAT (W/ CUSTOM SEAT) W/ INDIVIDUAL SEAT S348 S315 S221 S307 FROM PDM FUSE 25, 15A (DIAGRAM 2 OF 5) TO OBJ SNSR FUSE 37, 10A (DIAGRAM 3 OF 5) TO IGNITION SWITCH (DIAGRAM 5 OF 5) FROM MRTD MDL FUSE 6, 25A (DIAGRAM 3 OF 5) TO RAP RELAY 1 (DIAGRAM 4 OF 5)
G 10A 25A 10A F 10A 10A 25A 10A 30A 20A 20A G 40A 40A REAR FUSE BLOCK BODY CONTROL MODULE (BCM) SUNROOF CONTROL MODULE FRONT PASSENGER DOOR MODULE (FPDM) DRIVER DOOR MODULE (DDM) RIGHT REAR DOOR WINDOW SWITCH INSIDE REARVIEW MIRROR PARK SWITCH REVERSE LOCKOUT SOLENOID OUTSIDE MOISTURE SENSOR WINDSHIELD WASHER SOLVENT HEATER LEFT REAR DOOR WINDOW SWITCH FRONT HEATED SEAT MODULE REVERSE LOCKOUT SOLENOID REAR FUSE BLOCK DR LCK RELAY 9 DRL RELAY 4 PRK LAMP RELAY 2 ELC COMPRSR RELAY 15 DR UNLCK RELAY 10 FUEL/ PUMP RELAY 7 REAR DEFOG RELAY 14 FRT HVAC BLWR RELAY 5 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 14 138 135 ORG) TAN/ (OR 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 YEL/ TAN/ BRN GRY YEL YEL/ BRN YEL/ BRN BRN BRN BRN BRN BRN BRN RED/ BLK RED/ RED/ RED/ RED/ RED/ RED/ RED/ PNK/ BLK BLK WHT BLK BLK BLK BLK ORG G301 BCM LOGIC FUSE 12 CTSY/ RF TRN FUSE 4 RAP RELAY 1 RUN RELAY 3 DR MDL/ PWR WNDW CIRCUIT BREAKER 3 HTD/ COOL/ IGN 3 FUSE 47 RAP FUSE 41 SHFTR SOL FUSE 40 S/ROOF FUSE 17 ELC COMPRSR FUSE JC3 HVAC BLWR FUSE JC1 REAR DEFOG FUSE JC2 REAR DR LCK FUSE 19 FUEL PUMP FUSE 11 (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 S337 S381 S302 S317 FROM CHSML/ BCK-UP FUSE 18, 10A (DIAGRAM 3 OF 5) TO HVAC BLWR FUSE JC1, 40A (DIAGRAM 4 OF 5) FROM DR MDL/ PWR WNDW CIRCUIT BREAKER 3, 25A (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 RIGHT STEERING WHEEL CONTROL SWITCH TRANSMISSION CONTROL MODULE (TCM) POWERTRAIN CONTROL MODULE (PCM) ENGINE CONTROL MODULE (ECM) LEFT STEERING WHEEL CONTROL SWITCH 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) 3.8L 4.6L S201 S104 FROM IGN SW FUSE (DIAGRAM 3 OF 5) TO RUN/CRANK RELAY 6 (DIAGRAM 1 OF 5)