Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator Cadillac Seville V

Electrical Component Locations 14 illustrations ~106 words

BUZZERS, RELAYS & TIMERS

ComponentLocation
Air Conditioning Compressor Clutch RelayIn underhood junction block.
ACCY RelayIn underhood junction block.
CIGAR RelayIn rear junction block.
COOL FAN 1 RelayIn underhood junction block.
COOL FAN 2 RelayIn underhood junction block.
COOL FAN S/P RelayIn underhood junction block.
DAMPER RelayIn rear junction block.
DRL RelayIn underhood junction block.
ELC RelayIn rear junction block.
FOG LP RelayIn underhood junction block.
F/PMP RelayIn rear junction block.
FRT CTSY RelayIn rear junction block.
F/TNKDR REL RelayIn rear junction block.
HDLP HI BM RelayIn underhood junction block.
HDLP LO BM RelayIn underhood junction block.
HORN RelayIn underhood junction block.
IGN 1 RelayIn underhood junction block.
IGN 1 RelayIn rear junction block.
IGN 3 RelayIn rear junction block.
INT LP RelayIn rear junction block.
LK/CYL RelayIn rear junction block.
PARK RelayIn rear junction block.
PRK BRK A RelayIn rear junction block.
PRK BRK B RelayIn rear junction block.
PRK LP RelayIn rear junction block.
RAP RelayIn rear junction block.
REVERSE RelayIn rear junction block.
REV/LKOUT RelayIn rear junction block.
RR BLO RelayIn rear junction block.
RR CTSY RelayIn rear junction block.
RR DEFOG RelayIn rear junction block.
START 1 RelayIn underhood junction block.
TRK REL RelayIn rear junction block.

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Rear Compartment Relay CenterUnder left rear seat.
Rear Junction BlockUnder left rear seat. (Scheme 10)
Steering Column Fuse HolderNear base of steering column.
Underhood Junction BlockOn right side of engine compartment, near power steering pump. (Scheme 9)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
Adaptive Lumbar Module (Right/Left)In respective front seat back.
Automatic Level Control ModuleUnder rear of vehicle, near rear suspension carrier.
Blower Control ModuleUnder right side of dash, near center heater outlets. (Scheme 13)
Cellular Telephone ModuleAt front of rear compartment.
Continuously Variable Road Sensing Suspension (CVRSS) ModuleBehind right rear seat back. (Scheme 8)
Cruise Control ModuleOn center rear of engine compartment, near power brake booster. (Scheme 12)
Dash Integration Module (DIM)On right side of dash, near blower motor. (Scheme 13)
Door Module (Left Front) (LFDM)In front of left front door, near radio speaker.
Door Module (Left Rear) (LRDM)In front of left rear door, near radio speaker.
Door Module (Right Front) (RFDM)In front of right front door, near radio speaker.
Door Module (Right Rear) (RRDM)In front of right rear door, near radio speaker.
Electronic Brake Control Module (EBCM)On left front corner of engine compartment, below air cleaner housing. (Scheme 7)
Front Heated Seat Module (Left/Right)Under respective front seat.
Ignition Control Module (Bank 1) (ICM)Under intake manifold top cover, right side of engine.
Ignition Control Module (Bank 2) (ICM)Under intake manifold top cover, left side of engine.
Inflatable Restraint Sensing & Diagnostic Module (SDM)Under right front seat.
Inflatable Restraint Side Impact Sensing Module (SISM) (Left)On base of left "B" pillar, behind trim panel.
Inflatable Restraint Side Impact Sensing Module (SISM) (Right)On base of right "B" pillar, behind trim panel.
Instrument Panel Integration Module (IPM)Behind center of dash, above radio.
Memory Seat Module (MSM)Under left front seat.
Navigation Data ProcessorUnder center of rear package shelf.
Passkey III Reader ExciterOn ignition switch.
Passkey III Theft Deterrent ModuleBehind left side of dash, right of steering column.
Powertrain Control Module (PCM)At left front corner of engine compartment, below air cleaner.
Radio Antenna ModuleAbove center rear of headliner.
Rear Blower Motor Resistor ModuleAt front of center console, near rear blower motor.
Rear Heated Seat Module (Left/Right)In center of rear seat back.
Rear Integration Module (RIM)Behind right side of rear seat back. (Scheme 8)
Rear Object Sensor Control ModuleIn right side of rear compartment.
Remote Keyless Entry (RKE) ModuleUnder rear package shelf.
Steering Column Tilt/Telescoping ModuleBehind left side of dash, left of steering column. (Scheme 14)
Sun Roof Control ModuleAbove headliner, near rear of sun roof.
Theft Deterrent ModuleBehind left side of dash, right of steering column.
TV Antenna Module AssemblyUnder right side of rear package shelf.
Variable Steering ActuatorOn left side of power steering rack.

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
Air Inlet ActuatorBehind right side of dash, on HVAC module. (Scheme 13)
Air Mix Actuator (Driver)Behind left side of dash, on HVAC module.
Air Mix Actuator (Passenger)Behind right side of dash, on HVAC module. (Scheme 13)
Automatic Level Control CompressorUnder rear of vehicle, near rear suspension carrier.
Blower MotorBehind right side of dash, on HVAC module. (Scheme 13)
Blower Motor (Rear)At front of center console, below ashtray.
Cooling Fan Motors (Left/Right)At front of engine compartment, behind radiator.
Idle Air Control (IAC) ValveAt rear of engine, on throttle body. (Scheme 3)
Mode ActuatorBehind left side of dash, on HVAC module.
Rear Mode ActuatorUnder front of center console, near rear blower motor.
Starter MotorAt center of engine, under intake manifold.
Sun Roof MotorAbove headliner, near rear of sun roof.
Telescope ActuatorIn steering column.
Tilt ActuatorIn steering column.
Windshield Washer PumpOn side of windshield washer reservoir.
Windshield Wiper MotorAt right rear of engine compartment, near strut tower. (Scheme 12)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
A/C Low Side Temperature SensorAt rear of engine compartment, on A/C low side line.
A/C Pressure SensorOn lower left front of engine, on A/C compressor.
A/C Temperature Sensor (Left/Right)Under respective side of dash, in A/C duct.
Ambient Air Temperature SensorOn center front of vehicle, near hood latch.
Ambient Light SensorOn top of instrument cluster, in defogger grille.
Automatic Level Control Height SensorUnder rear of vehicle, near rear suspension carrier.
Automatic Transaxle Fluid Temperature (TFT) SensorIn transaxle assembly. (Scheme 11)
Automatic Transaxle Input Shaft Speed SensorIn transaxle assembly. (Scheme 11)
Camshaft Position (CMP) SensorOn front of right cylinder head. (Scheme 4)
Crankshaft Position (CKP) Sensor AOn left side of engine block, near base of engine oil level indicator. (Scheme 2)
Crankshaft Position (CKP) Sensor BOn left side of engine block, near base of engine oil level indicator. (Scheme 2)
Engine Coolant Temperature (ECT) SensorOn right rear corner of engine, below exhaust gas recirculation valve. (Scheme 3)
Fuel Tank Pressure SensorOn top of fuel tank.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1On right side of engine, on exhaust manifold. (Scheme 4)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2Near rear flange of catalytic converter. (Scheme 5)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1On left side of engine, on exhaust manifold. (Scheme 6)
Heater Temperature Sensor (Right/Left)Behind respective side of dash, in A/C duct.
Inside Air Temperature SensorBehind left side of dash, left of steering column.
Intake Air Temperature (IAT) SensorPart of mass air flow sensor.
Knock Sensor (KS)On center top of engine, under manifold top cover.
Lateral Accelerometer SensorUnder left rear seat. (Scheme 10)
Manifold Absolute Pressure (MAP) SensorOn top of throttle body. (Scheme 3)
Mass Airflow (MAF) SensorIn air intake duct.
Outside Moisture SensorAt top center of windshield, near rearview mirror.
Steering Wheel Position Sensor (SWPS)On base of steering column. (Scheme 14)
Sun Load Sensor (Right/Left)On respective side of dash, in defroster grille.
Throttle Position (TP) SensorOn throttle body. (Scheme 3)
Vehicle Speed Sensor (VSS)On transaxle case extension. (Scheme 11)
Wheel Speed Sensors (4)On back of each wheel hub.
Windshield Washer Fluid Level SensorOn top of windshield washer reservoir. (Scheme 9)
Yaw Rate SensorLeft side of rear compartment, near hinge.

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
Brake Pressure Modulator Valve (BPMV)On left front corner of engine compartment, below air cleaner housing. (Scheme 7)
Evaporative Emissions (EVAP) Canister Purge ValveOn rear of engine, near throttle body. (Scheme 1)
Evaporative Emissions (EVAP) Canister Vent ValveUnder rear of vehicle, near left wheel.
Exhaust Gas Recirculation (EGR) ValveOn top right rear of engine, near throttle body. (Scheme 1)
Park Brake Release SolenoidUnder left side of dash, on park brake pedal.
Pressure Control SolenoidIn transaxle assembly. (Scheme 11)
Shift Interlock SolenoidUnder front of center console, on shifter.
Starter SolenoidAt center of engine, under intake manifold.
Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid ValveIn transaxle assembly. (Scheme 11)
Variable Effort Steering ActuatorOn left side of power steering gear.
1-2 Shift Solenoid ValveIn transaxle assembly. (Scheme 11)
2-3 Shift Solenoid ValveIn transaxle assembly. (Scheme 11)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
ABS/TCC SwitchNear top of brake pedal.
Automatic Transaxle Fluid Pressure Manual Valve Position SwitchIn transaxle assembly. (Scheme 11)
Brake Fluid Level SwitchIn master cylinder reservoir. (Scheme 12)
Coolant Level SwitchIn bottom of coolant reservoir.
Engine Oil Level SwitchOn left front side of engine, near A/C compressor. (Scheme 2)
Engine Oil Pressure SwitchOn left side of engine, near oil filter adapter. (Scheme 2)
Left Front Seat Belt SwitchIn seat belt buckle.
Park/Neutral Position (PNP) SwitchOn transaxle, below throttle body.
Power Steering Pressure (PSP) SwitchOn power steering high pressure line.
Stop Lamp/BTSI SwitchNear top of brake pedal.
Sun Roof Limit SwitchAbove headliner, near sun roof.

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
A/C Compressor ClutchOn lower right front corner of engine compartment, on A/C compressor.
Battery ThermistorUnder right rear seat, on battery.
Data Link Connector (DLC)Under left side of dash, near steering column.
Radio AmplifierBehind left side of rear seat back.
Rear Parking Assist Diagnostic ConnectorAt right side of rear compartment.
Stop Lamp ResistorIn rear compartment lid, in CHMSL harness.
Taillamp Resistor (Left/Right)In respective rear corner of rear compartment lid, taped in harness.

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
C100 (20 Pin)Left of engine compartment, near thermostat housing.
C101 (Black, 38 Pin)Left of engine compartment, near coolant reservoir.
C102 (Black, 2 Pin)Right front corner of engine compartment, near underhood fuse block.
C106 (Gray, 4 Pin)Right rear corner of engine compartment, below windshield wiper motor.
C107 (Black, 3 Pin)Right rear corner of engine, near rear cam cover.
C108 (Black, 8 Pin) (W/HID)Left front corner of vehicle, near left headlamp.
C108 (Natural, 7 Pin) (W/O HID)Left front corner of vehicle, near left headlamp.
C109 (Black, 8 Pin) (W/HID)Right front corner of vehicle, near right headlamp.
C109 (Natural, 7 Pin) (W/O HID)Right front corner of vehicle, near right headlamp.
C115 (Black, 10 Pin)Left side of engine compartment, in transaxle.
C200 (Black, 30 Pin)Left side of dash top, near windshield.
C201 (Black, 30 Pin)Under right side of dash top, near windshield.
C202 (Black, 40 Pin)Under left of dash, near base of steering column.
C203 (Black, 18 Pin)Under right side of dash, near blower motor.
C204 (Gray, 6 Pin)Under right side of upper dash pad, near back of inflatable restraint I/P module.
C205 (Black, 2 Pin)Body harness, 44 cm from P101.
C206 (Black, 2 Pin)Body harness, 44 cm from P101.
C220 (1 Pin)Left front of center console, near rear blower motor.
C221 (1 Pin)Left front of center console, near rear blower motor.
C300 (Black, 18 Pin)Left center of passenger compartment, under driver seat.
C303 (Black, 30 Pin)Left front of center console, near rear blower motor.
C304 (Black, 30 Pin)Right front of center console, near rear blower motor.
C305 (Black, 30 Pin)Left rear of passenger compartment, at base of sail panel.
C306 (Blue, 8 Pin)Under left lower corner of rear seat back, near rear fuse block.
C307 (Black, 18 Pin)Right center of passenger compartment, under right front seat.
C309 (Gray, 6 Pin)Above right rear of headliner, near sun roof.
C312 (Blue, 8 Pin)In front of center console, near rear blower motor.
C313 (Blue, 8 Pin)In center console, near shifter.
C315 (1 Pin)Right rear of passenger compartment, near battery.
C317 (4 Pin)In left front seat, in seat back.
C320 (Blue, 8 Pin)Near rear shelf panel, at base of sail panel.
C345 (Black, 30 Pin)Behind rear seat back, on right side of electronics bay.
C346 (Black, 40 Pin)Behind rear seat back, on right side of electronics bay.
C400 (Black, 6 Pin)Left rear corner of rear compartment, near taillamp.
C401 (Black, 6 Pin)Under left center rear of vehicle, near rear suspension.
C402 (Black, 8 Pin)Left rear corner of rear compartment, near P404.
C403 (Black, 6 Pin)Right rear corner of rear compartment, near taillamp.
C405 (Black, 3 Pin)Right rear of passenger compartment, near rear shelf panel, on base of sail panel.
C407 (5 Pin)Left rear corner of rear compartment, near left taillamp.
C408 (Black, 6 Pin)Right rear of vehicle, behind right rear bumper fascia.
C420 (Black, 7 Pin)Under right rear of vehicle, near wheelhouse.
C421 (Black, 2 Pin)Rear of rear compartment lid, above license plate lamps.
C500 (Black, 18 Pin)Left front corner of passenger compartment, near P500.
C502 (Natural, 10 Pin)In left front door, near door trim panel.
C600 (Black, 18 Pin)Right front corner of passenger compartment, near P600.
C603 (Natural, 10 Pin)In right front door, near door trim panel.
C700 (Natural, 17 Pin)Left side of passenger compartment, in door pillar, near P700.
C702 (Black, 18 Pin)In left rear door, near door trim panel.
C800 (Natural, 17 Pin)Right side of passenger compartment, near P800.
C802 (Black, 18 Pin)In right rear door, near door trim panel.

CONNECTORS LOCATION

GROUNDS

ComponentLocation
G101Left side of engine compartment, on left core support.
G104Right side of engine compartment, below fuse block.
G105Right side of engine compartment, below underhood fuse block.
G106Lower left front corner of engine, on transmission case, below transmission connector.
G108Right rear of engine, below exhaust gas recirculation valve.
G109Lower left front corner of engine, below transmission connector.
G110Lower left front corner of engine, below transmission connector.
G200Left front corner of passenger compartment, under front of sill trim plate.
G201Right front corner of passenger compartment, under front of sill trim plate.
G300Under left front seat, on No. 2 bar.
G301Under left front corner of rear seat. (Scheme 10)
G303Left rear corner of passenger compartment, above rear shelf panel.
G304Right rear corner of passenger compartment, above rear shelf panel.
G306Under right front seat, near inflatable restraint sensing diagnostic module connector.
G307Under right side of rear seat, near battery.
G401Right rear corner of rear compartment, near C403.
G402Left rear corner of rear compartment, near C400.

GROUNDS LOCATION

SPLICES

ComponentLocation
S100In left headlamp harness, 46 cm from high beam headlamp connector.
S102In right headlamp harness, 46 cm from high beam headlamp connector.
S103In left headlamp harness, 52 cm from high beam headlamp connector.
S104In right headlamp harness, 52 cm from high beam headlamp connector.
S113In transaxle harness, 33.5 cm from C115.
S114In forward lamp harness, 10 cm from right headlamp breakout.
S117In engine harness, 54.1 cm from C101.
S118In engine harness, 25.9 cm from camshaft position sensor connector.
S119In engine harness, 25.9 cm from camshaft position sensor connector.
S120In engine harness, 54.1 cm from C101.
S126In forward lamp harness, 16.5 cm from right headlamp breakout.
S130In engine harness, 15 cm from EBCM & transmission breakout.
S131In engine harness, 7 cm from EBCM & transmission breakout.
S150In body harness, 63 cm from strut actuator.
S151In body harness, 63 cm from strut actuator.
S152In body harness, 63 cm from strut actuator.
S153In body harness, 63 cm from strut actuator.
S200Body harness, 70 cm from P101.
S201Body harness, 26 cm from P101.
S203I/P harness, 55.5 cm from radio connector.
S204I/P harness, 64.5 cm from radio connector.
S205I/P harness, 94.5 cm from radio connector.
S206I/P harness, 8 cm from instrument cluster breakout.
S208I/P harness, 10 cm from instrument cluster breakout.
S209I/P harness, 4 cm from left solar sensor breakout.
S210I/P harness, 22 cm from left solar sensor breakout.
S212I/P harness, 44 cm from left driver information center switch.
S219In body harness, 22.5 cm from P101.
S222In body harness, 15 cm from P100.
S224In body harness, 21.5 cm from P100.
S228In body harness, 15 cm from P100.
S230In I/P harness, 27 cm from right sunload temperature sensor breakout.
S232In I/P harness, 5 cm from left sunload temperature sensor breakout.
S234In body harness, 6.5 cm from audio amplifier breakout.
S235In body harness, 6.5 cm from audio amplifier breakout.
S236In body harness, 6.5 cm from audio amplifier breakout.
S249In steering column harness, near steering wheel control connector.
S250In steering column harness, near steering wheel control connector.
S251In steering column harness, near steering wheel control connector.
S253In steering column harness, near steering wheel control connector.
S254In steering column harness, near steering wheel control connector.
S255In steering column harness, near steering wheel control connector.
S256In steering column harness, near steering wheel control connector.
S257In steering column harness, near steering wheel control connector.
S258In steering column harness, near steering wheel control connector.
S259In steering column harness, near steering wheel control connector.
S260In steering column harness, near steering wheel control connector.
S274HVAC harness, 79.5 cm from air inlet actuator.
S275HVAC harness, 73 cm from air inlet actuator.
S278HVAC harness, 89.5 cm from air inlet actuator.
S300Body harness, 10 cm from left rear door breakout.
S301Body harness, 6.5 cm from left rear door breakout.
S302Body harness, 40 cm from C300 connector breakout.
S303Body harness, 14 cm from C300 connector breakout.
S305Body harness, 29 cm from cross-car breakout.
S306Body harness, 20 cm from cross-car breakout.
S307Body harness, 60 cm from cross-car breakout.
S309Headliner harness, 10 cm from overhead console breakout.
S310Rear heated seat back harness, 11.5 cm from C306 connector.
S311Rear heated seat back harness, 21.5 cm from C306 connector.
S312Left seat harness, 42 cm from left lumbar switch connector.
S313 (W/Power Seat)Left seat harness, 52.5 cm from forward/back position sensor.
S313 (W/O Power Seat)Left seat harness, 48.5 cm from left lumbar switch connector.
S314Right seat harness, 57 cm from right front heated seat module connector.
S315Right seat harness, 64 cm from right front heated seat module connector.
S316Console harness, 10 cm from compact disc player connector.
S317Console harness, 33 cm from rear blower switch connector.
S318Console harness, 4 cm from compact disc player breakout.
S319Console harness, 6.5 cm from compact disc player breakout.
S320Console trim harness, 12 cm from right heated seat switch connector.
S321Console trim harness, 19 cm from right heated seat switch connector.
S322Rear blower harness, 12.5 cm from rear blower motor connector.
S323Left seat harness, 33 cm from forward/back position sensor connector.
S324Left seat harness, 36 cm from forward/back position sensor connector.
S326Left seat harness, 47 cm from forward/back position sensor connector.
S327Left seat harness, 29.5 cm from C300 connector breakout.
S328Left lumbar harness, 50 cm from C314 connector.
S329Left lumbar harness, 50 cm from C314 connector.
S332Body harness, 14 cm from yaw rate sensor.
S360In OnStar(R) jumper harness, between connector C345 & breakout of vehicle interface unit connector.
S361In OnStar(R) jumper harness, between connector C345 & breakout of vehicle interface unit connector.
S401Body harness, 27.5 cm from cellular telephone handset connector.
S402Left taillamp harness, 8 cm from P402.
S403Right taillamp harness, 8 cm from P403.
S404Rear compartment lid lamp harness, 27 cm from right rear license lamp.
S405Rear compartment lid lamp harness, 27 cm from right rear license lamp.
S406Rear compartment lid lamp harness, 27 cm from left rear license lamp.
S407In ultrasonic rear parking assist harness, 36.5 cm from C408.
S408Trailer harness, 13.5 cm from taillamp connector.
S410In back-up lamp harness, 27 cm from left back-up lamp connector.
S413In back-up lamp harness, 14.5 cm from C400.
S420In back-up lamp harness, 42.5 cm from left back-up lamp connector.
S421In main body harness, 20.5 cm from rear speaker breakout.
S422In main body harness, 10.5 cm from rear speaker breakout.
S428In main body harness, 10.5 cm from rear speaker breakout.
S500Left front door trim harness, 57 cm from power door lock switch connector.
S501Left front door trim harness, 52 cm from power door lock switch connector.
S600Right front door trim harness, 52 cm from power window switch connector.
S601Right front door trim harness, 25 cm from power window switch connector.
S700Left rear door trim harness, 18 cm from C702 connector.
S701Left rear door trim harness, 22 cm from C702 connector.
S800Right rear door trim harness, 18 cm from C802 connector.
S801Right rear door trim harness, 22 cm from C802 connector.
SP301Under left front corner of rear seat. (Scheme 10)
SP302In body harness, left front of passenger compartment, near center of front door sill.
SP308In body harness, right front of passenger compartment, near center of front door sill.
SP310Above center front of headliner, near overhead console.

SPLICES LOCATION

COMPONENT LOCATION GRAPHICS

Note. Figures may show multiple component locations. Refer to appropriate table for proper figure references.

Scheme 1

Scheme 1: COMPONENT LOCATION GRAPHICS

Scheme 2

Scheme 2

Scheme 3

Scheme 3

Scheme 4

Scheme 4

Scheme 5

Scheme 5

Scheme 6

Scheme 6

Scheme 7

Scheme 7

Scheme 8

Scheme 8

Scheme 9

Scheme 9

Scheme 10

Scheme 10

Scheme 11

Scheme 11

Scheme 12

Scheme 12

Scheme 13

Scheme 13

Scheme 14

Scheme 14