Cadillac·Sts·2005 Cadillac STS·Wiring
Wiring diagram

2005 Cadillac STS — power distribution

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Power distribution

A 86 87 10A 30 85 10A 15A 15A 50A B 15A 40A 30A 30A 10A 10A 10A BATTERY STARTER GENERATOR UNDERHOOD FUSE BLOCK DATA LINK CONNECTOR (DLC) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) AUTOMATIC HEADLAMP DIMMING RELAY ENGINE CONTROL MODULE (ECM) TRANSMISSION CONTROL MODULE (TCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) S/P FAN RELAY BLOWER RELAY LOW SPEED FAN RELAY HI SPEED FAN RELAY ENGINE CONTROL MODULE (ECM) CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID INTAKE BANK 1 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 1 EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE INTAKE MANIFOLD TUNING VALVE (IMTV) SOLENOID CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 2 EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID INTAKE BANK 2 ENGINE CONTROL MODULE (ECM) HEATED OXYGEN SENSOR (HO2S) BANK 1 SENSOR 1 HEATED OXYGEN SENSOR (HO2S) BANK 2 SENSOR 1 ENGINE CONTROL MODULE (ECM) IGNITION COIL/ MODULE 1 IGNITION COIL/ MODULE 3 IGNITION COIL/ MODULE 5 FUEL INJECTOR 5 FUEL INJECTOR 7 FUEL INJECTOR 1 FUEL INJECTOR 3 FUEL INJECTOR 5 IGNITION COIL/ MODULE 5 IGNITION COIL/ MODULE 1 FUEL INJECTOR 3 IGNITION COIL/ MODULE 7 FUEL INJECTOR 1 IGNITION COIL/ MODULE 3 24 C2 C1 C5 1 30 16 C4 1 10 2 2 2 2 E A 15 14 C1 17 16 17 B A C1 C1 43 20 C1 C2 36 1 1 1 1 1 13 1 C5 1 1 1 A A A 3 C4 2 3 2 9 2 2 R52 R51 R20 R19 R49 R14 R40 R39 C5 R50 R48 R47 25 C3 31 2 C5 26 33 27 H 1 16 7 6 C4 32 C3 1 PNK/ BLK WHT RED/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ PNK/ BLK BLK PNK/ PNK/ BLK BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ RED/ BLK BLK RED/ BLK RED/ WHT RED/ BLK PNK/ RED/ WHT RED/ WHT BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ PNK/ BLK BLK PNK/ PNK/ BLK BLK PNK/ PNK/ BLK PNK/ BLK BLK BLK BLK BLK BLK PNK/ BLK RED PNK/ PNK/ PNK/ PNK/ PNK/ BRN RED RED WHT RED/ WHT RED/ WHT RED/ WHT RED/ RED (3.6L) (4.6L) (3.6L) (4.6L) (NOT USED) 3.6L 4.6L 4.6L (3.6L) (4.6L) (3.6L) (3.6L) (3.6L) (3.6L) (3.6L) (3.6L) (4.6L) FUSIBLE LINK IPM/ ALDL FUSE VOLT CHECK FUSE ECM/TCM FUSE AUTOMATIC HEADLAMP DIMMING FUSE EBCM FUSE SPARE FUSE LOW SPEED FAN FUSE HI SPEED FAN FUSE FRONT BLOWER FUSE MAIN RELAY ODD INJ/ COIL FUSE HFV6 ECM FUSE PRE O2/ CAM FUSE V8 ECM FUSE (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) (3.6L: ENGINE HARN, 30 CM FROM EBCM CONNECTOR) (4.6L: ENGINE HARN, 25 CM FROM BRAKE PRESSURE SENSOR CONNECTOR) (ENGINE HARN, 36 CM FROM TCM CONNECTOR) (3.6L: ENGINE HARN, 15CM FROM FUEL INJECTOR 5 CONN) (4.6L ENGINE HARN, 14 CM FROM FUEL INJECTOR 7 CONN) (ENGINE POA HARN, 18 CM FROM IGNITION COIL 1 CONN) (IGNITION COIL HARN, 30 CM FROM IGNITION COIL MODULE 1 CONN) (ENGINE HARN, 14 CM FROM FUEL INJECTOR 7 CONN) S118 S109 S101 S127 S142 S102 S136 TO UNDERHOOD FUSE BLOCK (HORN RELAY) (DIAGRAM 2 OF 7) TO UNDERHOOD FUSE BLOCK (POST O2 FUSE, 10A) (DIAGRAM 3 OF 7)
A I 10A 7.5A 10A 7.5A 30A F E D C 30A 60A 60A 60A 10A 15A 15A 60A 10A UNDERHOOD FUSE BLOCK SPARE RELAY PARK LAMP RELAY HIGH BEAM RELAY LOW BEAM RELAY HORN RELAY FOG LAMP RELAY A/C COMPRESSOR CLUTCH RELAY HEADLAMP LEVELING MODULE DISTANCE SENSING CRUISE CONTROL MODULE HVAC CONTROL MODULE HEAD UP DISPLAY (HUD) TILT/ TELESCOPE SWITCH OUTSIDE MOISTURE SENSOR HEADLAMP WASHER FLUID PUMP RELAY WINDSHIELD WIPER/ WASHER MODULE TIRE PRESSURE MONITOR MODULE WINDSHIELD WIPER/ WASHER SWITCH HEADLAMP WASHER FLUID PUMP FLUID 86 85 C1 29 C4 37 R31 86 86 43 52 1 4 1 31 C1 12 10 C1 1 F 20 30 30 26 87 E M 85 62 59 41 R37 R36 R32 C2 2 1 C3 2 R56 R2 30 30 1 30 85 23 A1 C4 WHT RED/ BLK BRN RED/ WHT WHT RED/ YEL YEL YEL YEL YEL WHT RED/ WHT RED/ RED/ WHT WHT RED/ BLK RED/ BLK RED/ BLK RED/ YEL YEL YEL YEL YEL YEL BLK RED/ BLK RED/ WHT RED/ (W/ HID HEADLAMPS) (W/ AUTO ADAPTIVE CRUISE CONTROL) HORN FUSE TILT/LK LMP/CLM RELAY COILS FUSE CCP FUSE R REAR FUSE R REAR FUSE L REAR FUSE L REAR FUSE COMP CLUTCH FUSE FOG LAMP FUSE HUD FUSE HDLP WASHER CIRCUIT BREAKER ACCESSORY RELAY WPR SW VICS FUSE RAIN SENSOR HDLP FUSE SPARE FUSE WPR MOD FUSE SPARE FUSE (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) (ON RIGHT FRONT FRAME RAIL, NEAR BUMPER BRACKET) S411 G104 FROM UNDERHOOD FUSE BLOCK (MAIN RELAY) (DIAGRAM 1 OF 7) TO RIGHT REAR FUSE BLOCK (POWER WINDOWS MOTOR CIRCUIT BREAKER, 30A) (DIAGRAM 6 OF 7) TO RIGHT REAR FUSE BLOCK (IGN 1 RELAY) (DIAGRAM 7 OF 7) TO LEFT REAR FUSE BLOCK (ALC RELAY FUSE, 10A) (DIAGRAM 5 OF 7) TO LEFT REAR FUSE BLOCK (DRIVER DOOR MODULE FUSE, 10A) (DIAGRAM 5 OF 7) FROM INSTRUMENT PANEL MODULE (DIAGRAM 4 OF 7)
30 G 10A L 15A 20A B 30A 30A 15A UNDERHOOD FUSE BLOCK FUEL INJECTOR 8 FUEL INJECTOR 6 FUEL INJECTOR 2 HEATED OXYGEN SENSOR (HO2S) BANK 1 SENSOR 2 FUEL INJECTOR 4 HEATED OXYGEN SENSOR (HO2S) BANK 2 SENSOR 2 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL 2 FUEL INJECTOR 4 IGNITION COIL/ MODULE 8 IGNITION COIL/ MODULE 2 IGNITION COIL/ MODULE 6 IGNITION COIL/ MODULE 4 FUEL INJECTOR 2 FUEL INJECTOR 6 UNDERHOOD FUSE BLOCK STARTER RELAY A/C COMP CLUTCH RELAY FOG LAMP RELAY TRANSMISSION CONTROL MODULE (TCM) INSTRUMENT PANEL CLUSTER (IPC) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) C A 18 C1 19 C4 65 23 A A A 2 2 2 D D D D 1 1 1 1 D D R45 R46 C2 C4 12 C5 11 53 9 3 2 C4 44 C1 29 R1 R55 R43 R44 R64 C C A 25 A 17 C4 C5 22 3 BLK WHT RED/ WHT RED/ BLK PNK/ PNK/ BLK BLK PNK/ PNK/ BLK BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ PNK PNK PNK PNK BLK BLK PNK/ PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ BLK PNK/ PNK/ BLK PNK/ BLK BLK PNK PNK PNK PNK BLK BLK BLK WHT RED/ WHT RED/ (NOT USED) 3.6L 4.6L (4.6L) (4.6L) (4.6L) (4.6L) 3.6L 4.6L EVEN INJ/ COILS FUSE POST 02 FUSE STARTER FUSE IGN 1 RELAY I/P OUTLET FUSE SPARE FUSE SPARE FUSE OUTLET FUSE TCM/IPC/ ECM FUSE FRONT AUXILIARY POWER OUTLET AUXILIARY POWER OUTLET REAR AUXILIARY POWER OUTLET (RIGHT FRONT SIDE OF ENGINE COMPT) (3.6L: ENGINE HARN, 52 CM FROM HO2S BANK 1 SENSOR 2 CONN) (4.6L: ENGINE HARN, 34 CM FROM C102) (ENGINE HARN, 16 CM FROM FUEL INJECTOR 8 CONN) (ENGINE POA HARN, 25 CM FROM IGNITION COIL 2 CONN) (IGNITION COIL HARN, 36 CM FROM IGNITION COIL MODULE 2 CONN) (RIGHT FRONT SIDE OF ENGINE COMPARTMENT) (IN CONSOLE HARN, 31 CM FROM HAZARD SWITCH CONN) (ON RIGHT FRONT FRAME RAIL, NEAR BUMPER BRACKET) (ENGINE HARN, 39 CM FROM BRAKE PRESSURE SENSOR CONN) (IN PASSENGER COMPT, BEHIND RIGHT KICK PANEL) S104 S103 S119 S131 S137 S312 S105 S212 S311 G104 G201 FROM UNDERHOOD FUSE BLOCK (PRE O2/CAM FUSE, 15A) (DIAGRAM 1 OF 7) TO UNDERHOOD FUSE BLOCK (WASH NOZ/AQS FUSE, 10A) (DIAGRAM 4 OF 7) FROM RIGHT REAR FUSE BLOCK (IGNITION 1 FUSE, 10A) (DIAGRAM 7 OF 7)
I H RUN IGN 3 VOLTAGE ACCESSORY VOLTAGE J OFF IN CNTRL MODE CONTROL B/U IGN 1 VOLTAGE VOLTAGE B/U OFF IN CNTRL IGN MODE SW SUPPLY VOLTAGE IGN MODE SW REF VLT ACCY IND CNTRL START IND CNTRL IGN 1 VOLTAGE MODE CONTROL B/U ACCY LED SIG OFF LED SIG LED SUPPLY VOLTAGE MODE CONTROL MODE VOLTAGE GROUND BACKLIGHT LMP CNTRL START LED SIG VOLTAGE B/U 10A 10A 15A G 10A 10A SPLICE PACK SP300 INSTRUMENT PANEL MODULE REAR DEFOG RELAY RIGHT REAR FUSE BLOCK SPLICE PACK SP201 REMOTE CONTROL DOOR LOCK RECEIVER UNDERHOOD FUSE BLOCK STARTER RELAY RIGHT HEATED WASHER NOZZLE LEFT HEATED WASHER NOZZLE AIR QUALITY SENSOR ELECTRONIC BRAKE CONTROL MODULE (EBCM) MAF/ IAT SENSOR HVAC CONTROL MODULE R6 32 30 31 7 1 C2 11 C1 26 C1 C3 8 8 C1 G J C 29 10 15 17 16 6 K J H G F E D C B A 45 85 48 29 B1 30 12 C4 C 2 C1 28 C4 3 A 19 C5 6 A ORG ORG ORG ORG ORG BRN PNK ORG PNK PNK LT BLU/WHT LT BLU PNK LT GRN/WHT PNK LT GRN LT GRN DK BLU PNK LT BLU LT GRN ORG PNK LT GRN LT GRN/WHT BLK/WHT YEL DK BLU LT BLU/WHT PNK PNK PNK BRN PNK PNK PNK PNK PNK (NOT USED) (3.6L) IGNITION MODE SWITCH ABS FUSE CCP FUSE MAF FUSE STARTER RELAY FUSE WASH NOZ/ AQS FUSE SPARE FUSE (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) (UNDER RIGHT SIDE OF REAR SEAT) (UNDER REAR SPEAKER SHELF) (RIGHT FRONT OF ENGINE COMPARTMENT) 300 4 5721 5725 5726 3 5723 5722 5724 5720 5719 3 5726 5720 5721 5722 5724 5723 451 1491 5719 5725 INTERIOR LIGHTS SYSTEM TO IGN 3 RELAY (DIAGRAM 6 OF 7) TO ACCESSORY RELAY (DIAGRAM 2 OF 7) TO IGN 1 RELAY (DIAGRAM 7 OF 7) FROM UNDERHOOD FUSE BLOCK (IGN 1 RELAY) (DIAGRAM 3 OF 7)
25A 10A 10A 30A 10A 15A K E F 10A 10A 7.5A 30A 10A 15A 10A 30A LEFT REAR FUSE BLOCK JOINT CONNECTOR RIGHT REAR DOOR MODULE (RRDM) LEFT REAR DOOR MODULE (LRDM) DRIVER DOOR MODULE (DDM) DRIVER DOOR MODULE (DDM) LEFT FRONT DOOR SUBWOOFER SPEAKER AUDIO AMPLIFIER AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR TV ANTENNA MODULE ELECTRONIC SUSPENSION CONTROL (ESC) MODULE A/T SHIFT SHIFT LEVER ASSEMBLY AUTOMATIC LEVELING CONTROL (ALC) COMPRESSOR RELAY LEFT POSITION LAMP RELAY STANDING LAMP RELAY REV LAMP RELAY RIGHT POSITION LAMP RELAY SPLICE PACK TRK DR REL SOL RELAY DRIVER BACK COOLED SEAT BLOWER MOTOR DRIVER CUSHION COOLED SEAT BLOWER MOTOR DRIVER ADJUSTER SEAT SWITCH INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) REAR SUBWOOFER SPEAKER MEMORY SEAT MODULE (MSM) DRIVER LUMBAR ADJUSTER SWITCH 1 A C1 2 E C R18 R15 A 1 C R27 R29 G S20 S21 S23 S22 S12 S14 S13 C1 20 2 E C3 7 1 R32 R31 R37 R36 R7 1 C1 4 C1 4 C1 2 1 C2 RED/ WHT RED/ WHT RED/ WHT WHT RED/ WHT RED/ NCA RED/ WHT BLK RED/ RED/ WHT WHT RED/ WHT RED/ WHT RED/ WHT RED/ RED/ WHT RED/ WHT WHT RED/ RED/ WHT WHT RED/ BLK RED/ WHT RED/ RED/ WHT RED/ WHT BLK RED/ BLK RED/ W/ INFOTAINMENT SYSTEM 012, 014 & 015 W/ INFOTAINMENT SYSTEM 010 (NOT USED) DRIVER DOOR MODULE FUSE ELC SOLENOID FUSE ELECTRONICS SUSPENSION CONTROL (ESC) MODULE FUSE AMP FUSE THEFT/ SHIFTER FUSE REAR DOOR MODULE FUSE SPARE FUSE TV/VICS FUSE ALC RELAY FUSE REVERSE LAMP FUSE POSITION LAMPS FUSE TRUNK DOOR/ VALET FUSE DPM FUSE REAR SPEAKER (SUBWOOFER) FUSE AIRBAG FUSE (UNDER LEFT SIDE OF REAR SEAT) (IN DRIVER DOOR HARN, 54 CM FROM C500) (IN PASSENGER SEAT HARN, 17 CM FROM PASSENGER SEAT ADJUSTER SWITCH CONN) S502 S354 FROM UNDERHOOD FUSE BLOCK (L REAR FUSE, 60A) (CONNECTOR C2, PIN 2) (DIAGRAM 2 OF 7) FROM UNDERHOOD FUSE BLOCK (L REAR FUSE, 60A) (CONNECTOR C2, PIN 1) (DIAGRAM 2 OF 7) LEFT REAR FUSE BLOCK (IGN 3 RELAY) (DIAGRAM 6 OF 7)
20A 10A 10A 10A 20A 30A H 30A 10A D K 20A 15A 10A LEFT REAR FUSE BLOCK SPLICE PACK AUTOMATIC LEVELING CONTROL (ALC) COMPRESSOR RELAY SPLICE PACK MEMORY SEAT MODULE (MSM) LEFT FRONT SEAT BELT RETRACTOR PASSENGER CLIMATE CONTROL SEAT MODULE A/T SHIFT SHIFT LEVER ASSEMBLY RIGHT FRONT SEAT BELT RETRACTOR REAR HEATED SEAT CONTROL MODULE PASSENGER LUMBAR ADJUSTER SWITCH PASSENGER SEAT ADJUSTER SWITCH RIGHT REAR FUSE BLOCK SPLICE PACK STOP LAMP RELAY FUEL PUMP RELAY REAR INTEGRATION MODULE (RIM) EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID VALVE SUNROOF CONTROL MODULE RADIO VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) DIGITAL RADIO RECEIVER DRIVER WINDOW MOTOR RIGHT REAR WINDOW MOTOR CLIMATE CONTROL SEAT MODULE PASSENGER BACK COOLED SEAT BLOWER MOTOR LEFT REAR WINDOW MOTOR FRONT PASSENGER WINDOW MOTOR PASSENGER CUSHION COOLED SEAT BLOWER MOTOR 1 C4 7 C C1 B C 1 15 C3 9 S17 S16 S15 R37 R6 S4 C2 C1 B S2 S3 S5 S1 S7 S6 A 2 16 R12 6 6 6 6 A G 1 R23 R21 3 D 1 R25 R22 WHT RED/ RED/ WHT WHT RED/ WHT RED/ RED/ WHT RED/ WHT WHT RED/ WHT RED/ RED/ WHT WHT RED/ NCA WHT RED/ WHT RED/ WHT RED/ RED/ WHT WHT RED/ BRN BRN BRN BRN BRN RED/ WHT RED/ WHT RED/ WHT RED/ WHT WHT BLK WHT RED/ WHT RED/ WHT RED/ RED/ RED/ WHT RED/ WHT RED/ BRN BRN ORG BLK BRN (NOT USED) W/ POWER LUMBAR CONTROL SEATS W/O POWER LUMBAR CONTROL SEATS POWER SEATS CIRCUIT BREAKER IGN 3 RELAY SPARE FUSE SPARE FUSE REAR HEATED SEAT FUSE IGN 3 FUSE FUEL PUMP FUSE STOP LAMPS FUSE RADIO/ ONSTAR FUSE POWER WINDOW CIRCUIT BREAKER RF HTD ST/ S-BAND FUSE CANISTER VENT FUSE SUNROOF FUSE RIGHT TURN SIGNAL FUSE (UNDER LEFT SIDE OF REAR SEAT) (BODY HARN, 58 CM FROM RIGHT REAR FUSE BLOCK C1) (IN REAR COMPT, TO REAR OF LEFT REAR SHOCK TOWER) (IN DRIVER SEAT HARN, 20 CM FROM DRIVER SEAT ADJUSTER MOTOR ASSEMBLY CONN) (UNDER RIGHT SIDE OF REAR SEAT) (IN PASSENGER SEAT HARN, 32 CM FROM C307) (BODY HARN, 86 CM FROM G306) S302 S352 S355 S303 G402 FROM LEFT REAR FUSE BLOCK (TRUNK DOOR/ VALET FUSE, 7.5A) (DIAGRAM 5 OF 7) FROM INSTRUMENT PANEL MODULE (VIA SPLICE PACK SP300, PIN 31) (DIAGRAM 4 OF 7) FROM UNDERHOOD FUSE BLOCK (R REAR FUSE, 60A) (CONNECTOR C3, PIN 2) (DIAGRAM 2 OF 7)
FUSE 7.5A L 10A 15A 10A 10A 10A C 10A J 10A 40A 10A 10A RIGHT REAR FUSE BLOCK SPLICE PACK SPLICE PACK SPLICE PACK REAR INTEGRATION MODULE (RIM) INFLATABLE RESTRAINT SENSING & DIAGNOSTIC MODULE (SDM) INSIDE REAR VIEW MIRROR THEFT DETERRENT ALARM SIREN REAR OBJECT SENSOR CONTROL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL STEERING COLUMN LOCK CONTROL MODULE HEATED STEERING WHEEL CONTROL MODULE INT LAMP RELAY REAR DEFOG RELAY AFTER BOIL RELAY REAR INTEGRATION MODULE (RIM) RIGHT FRONT DOOR SUBWOOFER SPEAKER FRONT PASSENGER DOOR MODULE (FPDM) FRONT PASSENGER DOOR MODULE (FPDM) A C1 2 C1 2 A 5 D S2 S3 S1 1 13 S23 S25 S22 4 C3 C4 2 R26 R27 1 S8 S10 S11 S9 C2 2 R7 R16 R17 13 R23 R25 33 R21 R22 WHT RED/ RED/ WHT WHT RED/ WHT RED/ WHT RED/ PNK NCA PNK PNK NCA PNK PNK PNK PNK RED/ BLK BLK RED/ BLK RED/ PNK PNK BLK PNK PNK (NOT USED) (NOT USED) (4.6L) W/ INFOTAINMENT SYSTEM 012, 011, 014 & 015 W/ INFOTAINMENT SYSTEM 010 IGN 1 RELAY AIR BAG FUSE RIM FUSE HTD STG/ CLM FUSE IGN 1 FUSE INTERIOR LAMP FUSE AFTER BOIL FUSE REAR DEFOG FUSE LEFT TURN SIGNAL FUSE RT FRT DR MOD FUSE RIM FUSE (UNDER RIGHT SIDE OF REAR SEAT) (IN REAR COMPT, TO REAR OF RIGHT REAR SHOCK TOWER) (IN STEERING COLUMN HARN) (IN PASSENGER DOOR HARN, 34 CM FROM FRONT PASSENGER WINDOW MOTOR CONN) S221 S602 G401 FROM UNDERHOOD FUSE BLOCK (R REAR FUSE, 60A) (DIAGRAM 2 OF 7) FROM INSTRUMENT PANEL MODULE (VIA SPLICE PACK SP201, PIN 8) (DIAGRAM 4 OF 7) TO UNDERHOOD FUSE BLOCK (A/C COMP CLUTCH RELAY) (DIAGRAM 3 OF 7)