Cadillac·Sts·2008 Cadillac STS·Wiring
Wiring diagram

2008 Cadillac STS — power distribution

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Power distribution

2 2 1 1 2 A 15A C 200A 15A 10A 30A 50A 50A 25A 50A B 10A 10A 30A 10A 10A 7.5A 15A LEFT REAR FUSE BLOCK BATTERY STARTER MOTOR GENERATOR UNDERHOOD FUSE BLOCK J/C DRIVER DOOR MODULE (DDM) LEFT REAR DOOR CONTROL MODULE AUDIO AMPLIFIER LEFT FRONT SPEAKER AUTOMATIC TRANSMISSION SHIFT LEVER RIGHT REAR DOOR CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE (EBCM) LEFT REAR FUSE BLOCK J/C STDBY LAMP RELAY TRUNK RELSE RELAY BCK/UP LAMP RELAY LT POS RELAY RT POS RELAY MEMORY SEAT MODULE (MSM) DRIVER CUSHION VENTILATED SEAT BLOWER MOTOR INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) DRIVER SEAT LUMBAR SWITCH DRIVER BACK VENTILATED SEAT BLOWER MOTOR DRIVER SEAT ADJUSTER SWITCH REAR SUBWOOFER SPEAKER MEMORY SEAT MODULE (MSM) PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT LUMBAR SWITCH S14 S13 2 80 X2 6 X1 2 A 4 X1 4 X1 X2 1 X2 E 1 54 X3 20 B 13 A 38 S12 X4 1 S20 S23 S21 R18 R13 R36 R37 R32 R31 R29 R26 S22 G A A 1 B X1 C E G 7 1 A X3 RED RED RED WHT RED/ RED RED/ WHT RED/ WHT RED/WHT WHT WHT RED/ RED/ WHT BLK RED/ RED/ BLK RED/ BLK RED/ RED/ BLK WHT RED/ WHT RED/ WHT WHT BLK NCA RED/ RED/ RED/ RED/ BLK RED/ WHT RED/ BLK RED/ BLK BLK BLK BLK RED/ RED/ RED/ DK DK WHT GRN/ DK GRN WHT DK DK RED/ WHT GRN GRN RED/ WHT RED/ WHT WHT RED/ RED/ WHT WHT RED/ GRN/ RED/ WHT WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT WHT RED/ RED/ WHT RED/ RED/ WHT WHT WHT RED/ RED/ WHT RED/ W/ ACTIVE BRAKE CONTROL W/O ACTIVE BRAKE CONTROL W/ INFOTAINMENT SYSTEM 012/014/015 ACTIVE BRAKE CONTROL W/ INFOTAINMENT SYSTEM 010 W/ INFOTAINMENT SYSTEM 010/012/014/015 (NOT USED) W/ INFOTAINMENT SYSTEM 011/ 012/014/015 W/ POWER LUMBAR SEAT W/O POWER LUMBAR SEAT W/ CLIMATE CONTROL SEATS W/ CLIMATE CONTROL SEATS W/ POWER LUMBAR SEAT (IF EQUIPPED) INLINE FUSE GENERATOR THEFT SHFT FUSE DDM FUSE AMP FUSE REAR DR MDL FUSE ABS MTR FUSE ABS FUSE LPDB 1 FUSE LPDB 2 FUSE PWR SEATS CIRCUIT BREAKER REAR SHLF SPKR FUSE POS LAMP FUSE TRUNK RELSE SW FUSE AIR BAG/ BATT FUSE BCK/UP LAMP FUSE MSM FUSE (UNDER LEFT SIDE OF REAR SEAT) (RIGHT FRONT SIDE OF ENGINE COMPT) (IN ENGINE POA HARNESS, 25 CM FROM IGNITION COIL 2 CONNECTOR) (IN DRIVER DOOR HARNESS, 54 CM FROM X500) (UNDER LEFT SIDE OF REAR SEAT) (IN BODY HARNESS, 58 CM FROM RIGHT REAR FUSE BLOCK C1) (IN PASSENGER SEAT HARNESS, 17 CM FROM PASSENGER SEAT ADJUSTER SWITCH CONNECTOR) (IN PASSENGER SEAT HARNESS, 24 CM FROM PASSENGER SEAT ADJUSTER SWITCH CONNECTOR) J502 J119 J302 J354 J353 TO INCLR PUMP FUSE (DIAGRAM 2 OF 6) TO RPDB 2 FUSE (DIAGRAM 2 OF 6) TO ELC CMPRSR FUSE (DIAGRAM 2 OF 6)
20A 10A D A 50A B 30A M C E 30A 20A 10A 10A 25A 10A LEFT REAR FUSE BLOCK J/C ELC CMPRSR RELAY PASSENGER SEAT BELT RETRACTOR DRIVER SEAT BELT RETRACTOR AUTOMATIC TRANSMISSION SHIFT LEVER CLIMATE CONTROL SEAT MODULE YAW & LATERAL ACCELEROMETER SENSOR STEERING ANGLE SENSOR POWER STEERING CONTROL MODULE (PSCM) VEHICLE STABILITY CONTROL MODULE REAR HEATED SEAT CONTROL MODULE LEFT REAR FUSE BLOCK UNDERHOOD FUSE BLOCK RIGHT REAR FUSE BLOCK INCLR PUMP RELAY DRIVER WINDOW MOTOR RIGHT REAR WINDOW MOTOR DIGITAL RADIO RECEIVER TELEVISION ANTENNA MODULE AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR PASSENGER BACK VENTILATED SEAT BLOWER MOTOR CLIMATE CONTROL SEAT MODULE LEFT REAR WINDOW MOTOR ELECTRONIC SUSPENSION CONTROL (ESC) MODULE VEHICLE STABILITY CONTROL MODULE PASSENGER CUSHION VENTILATED SEAT BLOWER MOTOR PASSENGER WINDOW MOTOR 1 5 S1 S2 S3 S8 S4 S5 S6 S7 4 X1 19 X2 3 1 1 R6 R7 R23 R21 R25 R22 X2 9 2 C X1 B C 16 6 6 6 6 20 X1 X1 20 R1 R2 C 32 GRY BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN GRY BLK ORG BLK RED/ WHT WHT RED/ RED/ WHT RED/ WHT WHT RED/ RED/ WHT WHT RED/ RED/ WHT WHT RED/ RED/ WHT WHT RED/ RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ TAN/ WHT TAN/ WHT BLK WHT RED/ RED/ BLK RED/ WHT RED/ (NOT USED) W/ CLIMATE CONTROL SEATS W/ ACTIVE BRAKE CONTROL W/ CLIMATE CONTROL SEATS W/ ACTIVE BRAKE CONTROL W/ ABS W/ INFOTAINMENT SYSTEM 014/015 W/ VARIABLE REAL TIME DAMPING MAGNETO RHEOLOGICAL W/ VARIABLE REAL TIME DAMPING MAGNETO RHEOLOGICAL W/ ACTIVE BRAKE CONTROL W/ COMMON WEALTH TELEPHONE & W/ CLIMATE CONTROL SEATS (IF EQUIPPED) REAR HTD/ SEATS FUSE ELC CMPRSR FUSE IGN 3 FUSE RUN RELAY INCLR PUMP FUSE ELC EXH FUSE TV/VICS/ AFS/SCM FUSE MRTD MDL FUSE RPDB 2 FUSE WNDW MTRS CIRCUIT BREAKER RF HTD/ SEAT/XM FUSE (UNDER LEFT SIDE OF REAR SEAT) (IN REAR COMPT, TO REAR OF LEFT REAR SHOCK TOWER) (UNDER LEFT SIDE OF REAR SEAT) (RIGHT FRONT SIDE OF ENGINE COMPT) (UNDER RIGHT SIDE OF REAR SEAT) (IN PASSENGER SEAT HARNESS, 32 CM FROM X307) (IN BODY HARNESS, 86 CM FROM G306) J355 J303 G402 FROM POS LAMP FUSE (DIAGRAM 1 OF 6) FROM JX300 (PIN 31) (DIAGRAM 6 OF 6) FROM DDM FUSE (DIAGRAM 1 OF 6) FROM LPDB 1 FUSE (DIAGRAM 1 OF 6) TO RPDB 1 FUSE (DIAGRAM 3 OF 6) TO CNSTR VENT FUSE (DIAGRAM 3 OF 6)
40A 10A 20A 10A 10A 10A E F D 50A 10A 15A 15A 10A 10A 20A 10A 10A 7.5A G L 85 RIGHT REAR FUSE BLOCK J/C REAR DEFOG RELAY STOP LAMP RELAY UNDERHOOD FUSE BLOCK RADIO EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE SUNROOF CONTROL MODULE LEFT SIDE OBJECT SENSOR RIGHT SIDE OBJECT SENSOR VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) REAR INTEGRATION MODULE (RIM) RIGHT REAR FUSE BLOCK J/C J/C FUEL PUMP RELAY INT LAMP RELAY DIFF PUMP RELAY INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL UNDERHOOD FUSE BLOCK INSIDE REARVIEW MIRROR REAR OBJECT SENSOR CONTROL MODULE REAR INTEGRATION MODULE (RIM) HEATED STEERING WHEEL CONTROL MODULE VEHICLE DIRECTION ALERT ALARM WARNING MODULE RUN/ CRNK RELAY RIGHT FRONT SPEAKER PASSENGER DOOR CONTROL MODULE REAR INTEGRATION MODULE (RIM) R37 R7 S16 S15 S17 7 X2 1 15 X1 X3 1 1 R21 3 2 X4 7 A R22 9 R17 R16 R12 R27 R25 57 X2 S1 S22 S2 S25 S8 S10 S11 S9 X276 D R23 A 2 X1 2 X4 2 4 X3 48 X2 D X277 A 13 13 X2 2 BLU LT GRY WHT RED/ RED/ RED/ WHT WHT RED/ BLK WHT RED/ WHT WHT RED/ RED/ LT DK DK LT RED/ RED/ WHT WHT WHT RED/ WHT RED/ WHT RED/ WHT RED/ WHT RED/ PNK PNK PNK WHT RED/ WHT RED/ GRN BLU BLU GRN WHT RED/ BLK BLK BLK PNK BLK RED/ RED/ RED/ WHT RED/ RED/ WHT WHT RED/ PNK PNK PNK PNK PNK PNK NCA BLK RED/ RED/ WHT WHT RED/ RED/ BLK RED/ BLK NCA PNK PNK PNK PNK PNK (IF EQUIPPED) (NOT USED) W/ LANE DEPARTURE WARNING W/ INFOTAINMENT SYSTEM 012/ 014/015 W/ INFOTAINMENT SYSTEM 010 HEATER STEERING WHEEL (IF EQUIPPED) CNSTR VENT FUSE RT TRN/SBZA FUSE RDO/ ONSTAR FUSE REAR/ DEFOG FUSE STOP LAMPS FUSE S/ROOF FUSE RPDB 1 FUSE RIM/RPA/ ISRVM/CLM FUSE FRT PDM FUSE LT TRN/ LDW FUSE RUN/ CRNK FUSE HTD STR FUSE FUEL PUMP FUSE INT LAMP FUSE DIFF PUMP FUSE RIM FUSE RUN/ CRNK RELAY (UNDER RIGHT SIDE OF REAR SEAT) (RIGHT FRONT SIDE OF ENGINE COMPT) (UNDER RIGHT SIDE OF REAR SEAT) (IN REAR COMPT, TO REAR OF RIGHT REAR SHOCK TOWER) (IN STEERING COLUMN HARNESS) (IN PASSENGER DOOR HARNESS, 34 CM FROM FRONT PASSENGER WINDOW MOTOR CONNECTOR) (RIGHT FRONT SIDE OF ENGINE COMPT) J407 J221 J602 G401 FROM RF HTD/ SEAT/XM FUSE (DIAGRAM 2 OF 6) FROM RPDB 2 FUSE (DIAGRAM 2 OF 6) TO AFS FUSE (DIAGRAM 4 OF 6) TO AIR BAG/ IGN FUSE (DIAGRAM 4 OF 6) FROM JX201 (PIN 10) (DIAGRAM 6 OF 6)
H 15A 10A 10A 15A 30 I F 30A 20A G 10A 10A 30A 10A 10A 87 H UNDERHOOD FUSE BLOCK RIGHT REAR FUSE BLOCK J/C INFLATABLE RESTRAINT I/P MODULE INDICATOR INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE POWER STEERING CONTROL MODULE (PSCM) UNDERHOOD FUSE BLOCK DATA LINK CONNECTOR (DLC) HEAD UP DISPLAY (HUD) HEADLAMP WASHER FLUID PUMP RELAY INSTRUMENT PANEL MODULE (IPM) ENGINE CONTROL MODULE (ECM) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) AUTOMATIC TRANSMISSION AUTOMATIC HEADLAMP DIMMING RELAY INSTRUMENT PANEL MODULE (IPM) STEERING WHEEL/ COLUMN TILT/ TELESCOPIC SWITCH INSTRUMENT PANEL CLUSTER (IPC) X2 81 A A A A C C C C 39 X2 23 X3 17 X2 73 1 H X1 27 X1 20 56 X2 84 5 S19 S21 S20 S18 A X2 2 A 4 33 C 82 75 59 45 X3 16 1 1 F 2 X3 PNK PNK PNK RED WHT RED/ RED RED WHT RED/ RED/ WHT BLK BLK BLK BLK BLK BLK BLK BLK RED RED/ RED/ WHT WHT RED/ RED/ RED/ WHT WHT WHT RED/ RED/ WHT WHT RED/ WHT WHT RED/ WHT RED/ PNK WHT RED/ BLK RED/ WHT BLK PNK PNK PNK BLK BLK RED/ RED/ RED/ RED/ WHT WHT BLK WHT RED/ RED/ WHT WHT RED/ RED/ WHT WHT RED/ RED/ BLK WHT RED/ RED/ WHT WHT W/ ACTIVE BRAKE CONTROL W/ CIGARETTE LIGHTER W/ CIGARETTE LIGHTER W/O CIGARETTE LIGHTER W/O CIGARETTE LIGHTER W/ HIGH BEAM CONTROL INTELLIGENT (3.6L) (4.4L/4.6L) (IF EQUIPPED) (IF EQUIPPED) FRT PWR OUTLET FUSE AUX OUTLET FUSE AIR BAG/IGN FUSE AFS FUSE CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET I/P ACCESSORY POWER OUTLET CENTER CONSOLE ACCESSORY POWER OUTLET REAR CIGAR LIGHTER FRONT CIGAR LIGHTER I/P MDL/ ALDL FUSE EKM/ IP MDL FUSE ECM/TCM BATT FUSE HDLP WASH CIRCUIT BREAKER HUD FUSE V/CHK FUSE I/BEAM FUSE (RIGHT FRONT SIDE OF ENGINE COMPT) (UNDER RIGHT SIDE OF REAR SEAT) (IN CONSOLE HARNESS, 31 CM FROM HAZARD SWITCH CONNECTOR) (IN PASSENGER COMPT, BEHIND RIGHT KICK PANEL) (IN PASSENGER COMPT, BEHIND RIGHT KICK PANEL) (IN PASSENGER COMPT, BEHIND RIGHT KICK PANEL) (RIGHT FRONT SIDE OF ENGINE COMPT) J312 J311 J212 J212 G201 G201 G201 FROM RPDB 1 FUSE (DIAGRAM 3 OF 6) FROM RIM/RPA/ ISRVM/CLM FUSE (DIAGRAM 3 OF 6) TO V/CHK FUSE (DIAGRAM 4 OF 6) FROM FRT PWR OUTLET FUSE (DIAGRAM 4 OF 6) TO WPR FUSE (DIAGRAM 5 OF 6)
J 40A 30A 85 87 30 85 I 15A 30A 30 85 85 85 30 30 30 85 30 30 86 10A 30 87 K 86 30A 30A 85 85 30 10A 10A 87 30 85 30 30 J 7.5A 7.5A 30 N UNDERHOOD FUSE BLOCK STRTR RELAY HI BEAM RELAY PRK LAMP RELAY HORN RELAY WPR HI RELAY FRT BLWR RELAY FOG LAMP RELAY LO BEAM W/O HID/ HID RELAY DISTANCE SENSING CRUISE CONTROL (DSCC) MODULE HEADLAMP LEVELING MODULE HVAC CONTROL MODULE UNDERHOOD FUSE BLOCK HI FAN SPD RELAY PWR/TRN RELAY LO FAN SPD RELAY FUEL COOL RELAY A/C CMPRSR CLTCH RELAY WPR SPD RELAY HEADLAMP WASHER FLUID PUMP RELAY TIRE PRESSURE MODULE WINDSHIELD OUTSIDE MOISTURE SENSOR WINDSHIELD WIPER/ WASHER SWITCH WINDSHIELD WIPER INHIBIT RELAY TRAFFIC INFORMATION RECEIVER X1 6 14 1 12 57 9 X2 52 X2 65 27 1 X320 27 X2 X1 28 1 4 X3 4 30 M WHT RED/ RED/ WHT RED/ WHT WHT RED/ WHT RED/ RED/ WHT YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL YEL BLK BRN BLK BRN YEL YEL YEL YEL YEL W/ ADAPTIVE AUTOMATIC CRUISE CONTROL (IF EQUIPPED) HID W/ COVER WHEEL W/O COVER WHEEL W/ INFOTAINMENT SYSTEM 015 W/ TIRE PRESSURE W/O TIRE PRESSURE (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) CCP/ RLY COILS FUSE STRTR FUSE BLWR FUSE HORN FUSE WPR FUSE FAN 2 FUSE FAN 1 FUSE FUEL COOL FUSE A/C CLTCH FUSE ACCY RELAY WPR SW/VICS FUSE RAIN SNSR/ TPM FUSE (RIGHT FRONT SIDE OF ENGINE COMPT) (RIGHT FRONT SIDE OF ENGINE COMPT) (IN BODY HARNESS, 60 CM FROM RIGHT REAR FUSE BLOCK C1) (ON RIGHT FRONT FRAME RAIL, NEAR BUMPER BRACKET) J305 J411 G104 FROM EKM/ I/P MDL FUSE (DIAGRAM 4 OF 6) TO PWR/TRN RELAY (DIAGRAM 5 OF 6) FROM BLWR FUSE (DIAGRAM 5 OF 6) TO RUN CRNK RELAY (DIAGRAM 6 OF 6) FROM INSTRUMENT PANEL MODULE (IPM) (PIN 1 CONNECTOR X2) (DIAGRAM 6 OF 6)
ACCY IND CNTRL START IND CNTRL IPM IGN MODE DATA SIG IGN MODE SW SPLY VOLT OFF IN CNTRL IPM IGN MODE SW REF VOLT IGN 1 VOLTAGE RUN IGN 3 VOLTAGE ACCESSORY VOLTAGE ILLUM OFF ON START N M MODE CONTROL B/U IGN 1 VOLTAGE VOLTAGE B/U 10A L K 87 86 30 85 15A 10A 15A INSTRUMENT PANEL MODULE (IPM) JX300 REAR DEFOG RELAY RIGHT REAR FUSE BLOCK JX201 REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) UNDERHOOD FUSE BLOCK TRANSMISSION CONTROL MODULE (TCM) LEFT HEATED WASHER NOZZLE ELECTRONIC BRAKE CONTROL MODULE (EBCM) AIR QUALITY SENSOR ENGINE CONTROL MODULE (ECM) HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) ENGINE CONTROL MODULE (ECM) RIGHT REAR FUSE BLOCK RIGHT HEATED WASHER NOZZLE 17 26 16 X1 29 10 15 6 X1 7 X2 1 X3 D C J B G E H F K A 30 31 32 R6 G J C X1 20 X1 X2 55 3 A A 11 10 8 X3 40 43 36 X3 X2 24 29 X2 X1 27 48 X2 C 2 19 X1 X2 54 12 B1 52 X2 LT GRN ORG DK BLU LT GRN/WHT PNK LT GRN PNK ORG BRN YEL BLK/WHT LT GRN DK BLU PNK LT GRN/WHT ORG LT GRN LT BLU LT BLU/WHT ORG ORG ORG ORG LT BLU/WHT LT BLU PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK PNK BRN BRN PNK PNK PNK PNK PNK PNK PNK PNK BLK PNK PNK BLK 4.4L 3.6L/4.6L 3.6L 4.4L/4.6L (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) ACC IND OFF IND START IND IGNITION MODE SWITCH RUN CRNK RELAY HTD WASH/ AQS FUSE CCP FUSE ABS IGN FUSE ECM/TCM IGN FUSE (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) (ON LEFT FRAME RAIL, NEAR LEFT SIDE OF PASSENGER SEAT) (UNDER RIGHT SIDE OF REAR SEAT) (ON DASH HARNESS, UNDER DASHBOARD, NEAR FIREWALL GROMMET) (UNDER REAR SPEAKER SHELF) (RIGHT FRONT SIDE OF ENGINE COMPT) (ON RIGHT FRONT FRAME RAIL, NEAR BUMPER BRACKET) G104 3 4 300 5721 5723 5722 5724 5720 5719 INTERIOR LIGHTS SYSTEM TO LEFT REAR FUSE BLOCK (RUN RELAY) (DIAGRAM 2 OF 6) TO UNDERHOOD FUSE BLOCK (ACCY RELAY) (DIAGRAM 5 OF 6) TO RIGHT REAR FUSE BLOCK (RUN/CRNK RELAY) (DIAGRAM 3 OF 6) FROM ACCY RELAY (DIAGRAM 5 OF 6)