Cadillac·Cts·2008 Cadillac CTS·Wiring
Wiring diagram

2008 Cadillac CTS — power distribution

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Power distribution

A A E 10A 15A 10A 10A 15A 10A 10A 200A 15A 10A 15A 10A D 10A 10A B 15A 30A 10A 10A 20A BATTERY UNDERHOOD FUSE BLOCK GENERATOR STARTER MOTOR BODY CONTROL MODULE (BCM) REAR FUSE BLOCK ENGINE CONTROL MODULE (ECM) BODY CONTROL MODULE (BCM) TELEVISION ANTENNA MODULE INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) RIGHT REAR WINDOW SWITCH INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE REAR SUBWOOFER SPEAKER VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) REAR FUSE BLOCK REAR OBJECT SENSOR CONTROL MODULE TIRE PRESSURE MODULE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) AUDIO AMPLIFIER MEMORY SEAT MODULE (MSM) 1 X1 X2 1 31 73 X2 X4 1 72 82 76 78 58 X2 X4 2 3 1 4 2 X3 2 3 X1 38 X2 X2 56 8 16 10 X1 45 31 31 H A 20 X1 X1 15 X1 6 46 2 X2 X1 17 A 1 10 X4 2 X1 X2 14 63 X1 49 A 15 X2 A 4 X1 H X1 1 1 X1 C X1 20 C RED RED RED RED RED RED RED ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG WHT RED/ ORG ORG ORG NCA RED/ WHT ORG ORG RED ORG ORG ORG ORG ORG ORG RED ORG ORG ORG ORG ORG ORG RED ORG ORG ORG BLK BLK ORG BLK PREMIUM AUDIO BRANDED W/ SURROUND AMPLIFIER SPEAKER SYSTEM INFOTAINMENT SYSTEM 007/008 (W/ ONSTAR) PREMIUM AUDIO BRANDED W/ SURROUND AMPLIFIER SPEAKER SYSTEM W/O REMOTE START W/ REMOTE START W/ PARKING ASSIST (IF EQUIPPED) INLINE FUSE GENERATOR BCM 4 FUSE BCM 2 FUSE BCM 7 FUSE BCM 5 FUSE BCM 6 FUSE BCM 1 FUSE BCM 3 FUSE CNSTR/ VENT FUSE REAR/ WINDW FUSE RDO/ SPKR FUSE RVC/ SNSR FUSE ONSTAR FUSE ECM FUSE AIR BAG FUSE AUX/ OUTLET FUSE RKE/ PASS-KEY/ MDL FUSE MSM FUSE AMP FUSE CENTER CONSOLE 1 ACCESSORY POWER OUTLET CENTER CONSOLE 2 ACCESSORY POWER OUTLET (RIGHT FRONT OF ENGINE COMPT) (RIGHT REAR OF LUGGAGE COMPT) (RIGHT REAR OF LUGGAGE COMPT) (BEHIND RIGHT KICK PANEL) J308 G201 TO BLWR FUSE (DIAGRAM 3 OF 6) TO REAR FUSE BLOCK PWR/CLMN CIRCUIT BREAKER (DIAGRAM 2 OF 6) TO REAR FUSE BLOCK DR/LCK FUSE (DIAGRAM 3 OF 6) TO AUX/ OUTLET FUSE (DIAGRAM 1 OF 6) FROM ECM FUSE (DIAGRAM 1 OF 6)
25A C 15A 15A 87 15A 25A B 25A 25A 10A C 15A REAR FUSE BLOCK TRUNK/ RELSE RELAY DRIVER SEAT ADJUSTER SWITCH MEMORY SEAT MODULE (MSM) PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR ADJUSTER SWITCH LEFT REAR WINDOW SWITCH FRONT PASSENGER DOOR MODULE (FPDM) REAR FUSE BLOCK GARAGE DOOR OPENER (GDO) RADIO RADIO/ HVAC DISPLAY RADIO/ HVAC CONTROL 52 X1 X2 6 78 X3 2 X1 4 H D E X1 76 X1 77 79 E 5 2 X3 51 X1 A A X125 1 X1 26 X1 8 44 X1 ORG ORG RED/ ORG WHT ORG WHT RED/ ORG ORG ORG ORG RED ORG ORG ORG ORG ORG ORG NCA ORG ORG ORG ORG ORG ORG (NOT USED) W/ 8 WAY ADJUSTER PASSENGER SEAT POWER W/O POWER LUMBAR CONTROL SEAT W/ POWER LUMBAR CONTROL SEAT W/ MEMORY W/O MEMORY (W/ MEMORY) WIRING PROVISIONS (IF EQUIPPED) TRUNK/ RELSE FUSE RT/FRT/ PWR/SEAT CIRCUIT BREAKER PWR/CLMN CIRCUIT BREAKER LT/REAR/ WNDW FUSE LF/FRT/ PWR/SEAT CIRCUIT BREAKER PDM FUSE SPARE FUSE RDO FUSE THEFT/UGDO FUSE (RIGHT REAR OF LUGGAGE COMPT) (IN FRONT PASSENGER SEAT ASSEMBLY HARNESS, NEAR PASSENGER SEAT ADJUSTER SWITCH) (RIGHT REAR OF LUGGAGE COMPT) (IN BODY HARNESS, NEAR INLINE CONNECTOR X800) (IN I/P HARNESS, NEAR BRANCH FOR RADIO/HVAC CONTROL) J385 J303 J275 FROM BATTERY (DIAGRAM 1 OF 6) TO RDO FUSE (DIAGRAM 2 OF 6) FROM TRUNK/ RELSE FUSE (DIAGRAM 2 OF 6)
85 30 20A 30A 10A D 25A 15A 87 86 30 87 86 30 87 86 2A 15A 20A 10A F 30 86 E 20A 30A 50A 60A 40A J REAR FUSE BLOCK SPARE RELAY LCK RELAY UNLCK RELAY LT/POS/LP RELAY FUEL/ PUMP RELAY RT/POS/LP RELAY DRIVER WINDOW MOTOR PASSENGER WINDOW MOTOR DRIVER DOOR MODULE (DDM) SUNROOF CONTROL MODULE SUNROOF SHADE MODULE UNDERHOOD FUSE BLOCK ELECTRONIC BRAKE CONTROL MODULE (EBCM) BLOWER MOTOR CONTROL MODULE PEDESTRIAN IMPACT DETECTION MODULE WINDSHIELD WASHER SOLVENT HEATER HEADLAMP MODULE BRAKE BOOSTER PUMP RELAY THEFT DETERRENT MODULE (TDM) 5 X1 X1 6 3 9 8 13 6 3 3 4 X1 17 X2 6 75 X2 80 X1 1 X2 15 81 20 8 X3 54 7 X2 A 38 13 1 6 X2 X1 1 C RED ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG RED RED ORG RED ORG RED RED ORG RED ORG ORG BLK BLK IF EQUIPPED 3.6L (VIN V) W/ REMOTE START W/O REMOTE START (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) FUEL/ PUMP FUSE RT/POS/LP FUSE DR/LCK FUSE PWR/WNDW CIRCUIT BREAKER S/ROOF FUSE BRK VAC PUMP FUSE PWR MODING FUSE AFS FUSE BLWR FUSE WSW/HTR FUSE ABS MTR FUSE PED PROT FUSE ABS FUSE LTR FUSE CIGAR LIGHTER (RIGHT REAR OF LUGGAGE COMPT) (IN SUNROOF ASSEMBLY HARNESS, NEAR SUNROOF CONTROL MODULE) (RIGHT FRONT OF ENGINE COMPT) (IN STEERING COLUMN HARNESS, NEAR INLINE CONNECTOR X202) (IN ENGINE HARNESS, NEAR BRANCH FOR BRAKE BOOSTER PUMP RELAY) (BEHIND LEFT KICK PANEL) J377 J270 J184 J200 G200 FROM BATTERY (DIAGRAM 1 OF 6) FROM BCM 7 FUSE (DIAGRAM 1 OF 6) TO NAV MTR FUSE (DIAGRAM 4 OF 6) TO IGNITION SWITCH (DIAGRAM 5 OF 6)
86 85 30 87 G 30A 10A 50A 30A 40A 30A 85 87 30 87 30 30 30 85 H 10A I L K 30 30 85 30 85 15A 10A F 15A 10A G 10A 15A H 10A 15A 20A 30 M 30 86 30 85 87 85 30 30 85 UNDERHOOD FUSE BLOCK FAN 1 RELAY REAR DEFOG RELAY STRTR RELAY WPR HI RELAY WPR RELAY FAN 2 RELAY WSW PUMP RELAY DATA LINK CONNECTOR (DLC) AUTOMATIC TRANSMISSION RADIO/ HVAC DISPLAY TRANSFER CASE SHIFT CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) HVAC CONTROL MODULE UNDERHOOD FUSE BLOCK AFTER BOIL RELAY A/C CMPRSR CLTCH RELAY FOG LAMP RELAY HORN RELAY DRL RELAY RT DRL (HID) RELAY LO BEAM RELAY HI BEAM RELAY LO BEAM LP RELAY LT DRL RELAY UNDERHOOD FUSE BLOCK IGN MAIN RELAY HEADLAMP WASH RELAY TRANSFER CASE SHIFT CONTROL MODULE PASSENGER CUSHION HEATED SEAT ELEMENT PASSENGER BACK HEATED SEAT ELEMENT AUTOMATIC TRANSMISSION DRIVER CUSHION HEATED SEAT ELEMENT ENGINE CONTROL MODULE (ECM) DRIVER BACK HEATED SEAT ELEMENT TIRE PRESSURE MODULE AUTOMATIC TRANSMISSION ENGINE CONTROL MODULE (ECM) MASS AIR FLOW (MAF) SENSOR/ INTAKE AIR TEMPERATURE (IAT) SENSOR TRANSFER CASE SHIFT CONTROL MODULE X3 38 26 X2 65 20 44 5 X1 9 41 6 X1 X2 C C C X3 7 40 X2 57 84 61 4 16 X1 18 19 X2 C 1 X2 23 18 X3 13 24 16 X2 C 1 A X215 54 X2 12 B X1 3 DK BLU DK BLU DK BLU PNK DK BLU DK DK DK PNK BLU BLU BLU PNK PNK PNK ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG ORG PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK W/ AWD AUTO PROVISIONS (6 SPEED A/T) W/ HID (W/O HID) (W/O HID) (W/ HID) (W/ HID) (NOT USED) W/ CLIMATE CONTROL SEATS W/ AWD AUTO PROVISIONS WIRING PROVISIONS W/ AWD AUTO PROVISIONS (6 SPEED A/T) (IF EQUIPPED) (IF EQUIPPED) REAR DEFOG FUSE FAN 1 FUSE NAV MTR FUSE WSW PUMP FUSE WPR FUSE TCM BATT FUSE FAN 2 FUSE STRTR FUSE DISPLY FUSE AWD FUSE A/C CLTCH FUSE HORN FUSE DRL/ENG PUMP FUSE HDM WASH FUSE MISC IGN FUSE ECM/TCM IGN FUSE (RIGHT FRONT OF ENGINE COMPT) (RIGHT FRONT OF ENGINE COMPT) (RIGHT FRONT OF ENGINE COMPT) (IN DRIVER SEAT ASSEMBLY HARNESS, NEAR INLINE CONNECTOR X300) J389 J388 TO HORN FUSE (DIAGRAM 4 OF 6) FROM PWR MODING FUSE (DIAGRAM 3 OF 6) TO HDM WASH FUSE (DIAGRAM 4 OF 6) FROM WPR FUSE (DIAGRAM 4 OF 6) TO PWR/TRN RELAY (DIAGRAM 6 OF 6) FROM A/C CLTCH FUSE (DIAGRAM 4 OF 6) TO AIR BAG FUSE (DIAGRAM 6 OF 6) FROM BCM (PIN 19 CONNECTOR X4) (DIAGRAM 5 OF 6) FROM BCM (PIN 21 CONNECTOR X4) (DIAGRAM 5 OF 6)
1 2 2 1 2 1 J START RUN OFF START ACC OFF START ACC RUN RUN OFF START RUN OFF START ACC RUN OFF ACC ACC O 15A 86 85 85 85 85 5V REF CRANK VOLT BATT POS ACC VOLT K IGN 1 VOLT IGN 3 VOLT RAP FUSE VOLT SERIAL DATA L THEFT DETERRENT MODULE (TDM) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) UNDERHOOD FUSE BLOCK BODY CONTROL MODULE (BCM) A/C CMPRSR CLTCH RELAY FAN 1 RELAY AFTER BLOW RELAY FAN S/P RELAY FAN 2 RELAY VEHICLE SPEED SENSOR (VSS) SUNROOF CONTROL MODULE WINDSHIELD WASHER SOLVENT HEATER HVAC CONTROL MODULE ELECTRONIC COMPASS MODULE SUNROOF SHADE MODULE WINDSHIELD OUTSIDE MOISTURE SENSOR HEATED OXYGEN SENSOR (HO2S) BANK 1 SENSOR 2 HEATED OXYGEN SENSOR (HO2S) BANK 2 SENSOR 2 2 6 1 3 2 5 4 X1 G X3 40 28 4 2 14 19 X1 21 21 11 X4 X5 13 3 D C C D 4 3 X2 3 6 1 X1 9 ORG WHT/ BLK PNK BRN BRN BRN BRN BRN BRN GRN LT WHT LT GRN BLK PNK/ BLK PNK/ WHT WHT/BLK PNK DK BLU BRN PNK DK GRN ORG PNK/ BLK BLK BLK PNK/ PNK/ DK GRN DK DK GRN GRN ORG ORG ORG W/O REMOTE START W/O REMOTE START W/ REMOTE START W/ REMOTE START 3.6L (VIN 7) A/T 3.6L (VIN V) M/T (IF EQUIPPED) (IF EQUIPPED) (M/T) (IF EQUIPPED) (IF EQUIPPED) IGNITION SWITCH EMIS 2 FUSE (IN STEERING COLUMN HARNESS, NEAR BODY CONTROL MODULE) (RIGHT FRONT OF ENGINE COMPT) (IN I/P HARNESS, NEAR BRANCH FOR FRONT CENTER SPEAKER) (IN ENGINE HARNESS, NEAR BRANCH FOR UNDERHOOD FUSE BLOCK) J260 J265 J187 FROM PWR MODING FUSE (DIAGRAM 3 OF 6) FROM EMIS 1 FUSE (DIAGRAM 6 OF 6) TO UNDERHOOD FUSE BLOCK (IGN MAIN RELAY) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (PIN 20 CONNECTOR X2) (DIAGRAM 4 OF 6)
N 15A 10A 10A 85 30 87 I M O 15A 15A N UNDERHOOD FUSE BLOCK PWR/TRN RELAY INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) FUEL INJECTOR 3 IGNITION COIL/ MODULE 5 IGNITION COIL/ MODULE 1 IGNITION COIL/ MODULE 5 IGNITION COIL/ MODULE 3 FUEL INJECTOR 5 IGNITION COIL/ MODULE 1 ENGINE CONTROL MODULE (ECM) IGNITION COIL/ MODULE 3 FUEL INJECTOR 1 UNDERHOOD FUSE BLOCK EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE (INTAKE BANK 1) CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE (EXHAUST BANK 1) HEATED OXYGEN SENSOR (HO2S) BANK 1 SENSOR 1 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 4 IGNITION COIL/ MODULE 6 ENGINE CONTROL MODULE (ECM) HEATED OXYGEN SENSOR (HO2S) BANK 2 SENSOR 1 INTAKE MANIFOLD TUNING (IMT) SOLENOID VALVE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE (INTAKE BANK 2) CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE (EXHAUST BANK 2) IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 6 IGNITION COIL/ MODULE 4 FUEL INJECTOR 4 FUEL INJECTOR 6 FUEL INJECTOR 2 4 4 4 A A X3 51 36 X2 15 A 2 2 2 76 6 5 3 X1 X2 32 20 1 1 1 1 1 E C X3 23 47 X3 C 2 2 4 4 4 A A A 2 77 X1 PNK/ BLK PNK/ PNK/ BLK BLK PNK/ PNK/ PNK/ BLK BLK BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK PNK/ BLK PNK/ PNK/ BLK BLK PNK/ PNK/ PNK/ BLK BLK BLK PNK/ PNK/ PNK/ BLK BLK BLK PNK PNK BLK PNK/ BLK BLK PNK/ PNK/ PNK/ BLK PNK/ BLK PNK/ BLK BLK PNK/ BLK PNK/ PNK/ BLK PNK/ BLK BLK PNK/ PNK/ PNK/ PNK/ PNK/ BLK PNK/ PNK/ PNK/ BLK PNK/ BLK PNK/ BLK BLK BLK BLK BLK BLK PNK/ BLK BLK PNK/ PNK/ BLK 3.6L (VIN 7) 3.6L (VIN V) 3.6L (VIN V) 3.6L (VIN 7) 3.6L (VIN 7) AIR BAG IGN FUSE ODD COILS FUSE ECM FUSE EVEN COILS FUSE EMIS 1 FUSE (RIGHT FRONT OF ENGINE COMPT) (IN ENGINE HARNESS, NEAR CONNECTOR OF COIL 1) (IN ENGINE HARNESS, NEAR CONNECTOR X5 OF UNDERHOOD FUSE BLOCK) (IN ENGINE HARNESS, NEAR BRANCH FOR UNDERHOOD FUSE BLOCK) (IN FUEL INJECTOR HARNESS, NEAR INLINE CONNECTOR X121) (RIGHT FRONT OF ENGINE COMPT) (IN ENGINE HARNESS, NEAR CONNECTOR OF COIL 5) (IN ENGINE HARNESS, NEAR ECT SENSOR CONNECTOR) (IN ENGINE HARNESS, NEAR CONNECTOR X5 OF UNDERHOOD FUSE BLOCK) (IN FUEL INJECTOR HARNESS, NEAR INLINE CONNECTOR X121) J145 J161 J185 J151 J142 J146 J162 J152 FROM IGN MAIN RELAY (DIAGRAM 4 OF 6) FROM MISC IGN FUSE (DIAGRAM 4 OF 6) TO EVEN COILS FUSE (DIAGRAM 6 OF 6) TO EMIS 2 FUSE (DIAGRAM 5 OF 6) FROM ODD COILS FUSE (DIAGRAM 6 OF 6)