Buick Century Special 1995 - ELECTRICAL COMPONENT LOCATOR - 2.2L 4-CYL VIN [4] 1995 ELECTRICAL COMPONENT LOCATION General Motors Corp. - Electrical Component Location

Buick Century Special 1995 - BUZZERS, RELAYS & TIMERS

Buick Century Special 1995 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS Relay	On right side of firewall.
A/C Compressor Relay	On relay bracket, in right front corner of engine compartment. See Fig. 1 .
Antenna Relay	Behind right side of dash, above glove box.
Blower Motor Relay	On relay bracket, in right front corner of engine compartment.
Cooling Fan Relays	On relay bracket, in right front corner of engine compartment. See Fig. 1 .
Fuel Pump Relay	On relay bracket, in right front corner of engine compartment. See Fig. 1 .
Hazard Flasher Relay (Buick)	On convenience center, behind left side of dash.
Hazard Flasher Relay (Oldsmobile)	On convenience center, behind right side of dash.
Horn Relay	On convenience center.
Power Door Lock Relay	At top of right kick panel.

Buick Century Special 1995 - CIRCUIT PROTECTION DEVICES

Buick Century Special 1995 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C In-Line Fuse	Taped on wiring harness, near fuse block.
Convenience Center (Buick)	Behind left side of dash.
Convenience Center (Oldsmobile)	Behind right side of dash.
Fuel Pump/PCM Fuse	On relay bracket, in right front corner of engine compartment. See Fig. 1 .
Fuse Block	Behind right side of dash, to left of glove box. See Fig. 1 .
Fusible Links	At starter solenoid, or battery positive terminal pigtail.
Multi-Function Alarm In-Line Fuse	Near fuse block, taped to harness.
Power Accessory Circuit Breaker	In fuse block.

Buick Century Special 1995 - CONTROL UNITS

Buick Century Special 1995 CONTROL UNITS LOCATION

Component	Location
ABS Control Module	Behind right side of dash, above PCM.
Auto. Door Unlock Module	Under left side of dash, near heater duct.
Cruise Control Module	Front of left shock tower.
Daytime Running Lights (DRL) Module	Behind center of dash, near turn signal flasher.
Diagnostic Energy Reserve Module (DERM)	Behind A/C control panel.
Ignition Module	On right side of cylinder block, under intake manifold.
Light Driver Module	Under left side dash, left of steering column.
Power Window Control Module (Cutlass Ciera & Cutlass Cruiser)	Behind left kick panel.
Powertrain Control Module (PCM)	Behind right side of dash. See Fig. 1 .
Remote Keyless Entry Module	Above left rear wheelwell.
Wiper Motor Module (Front)	On left side of firewall, part of wiper motor.
Wiper Motor Module (Rear) (Century)	On center of tailgate, part of wiper motor.

Buick Century Special 1995 - MOTORS

Buick Century Special 1995 MOTORS LOCATION

Component	Location
Blower Motor	On right side of firewall.
Power Door Lock Motor	Near lower rear portion of each door.
Power Mirror Motor	In each mirror assembly.
Power Seat Motor	Under seat assembly.
Power Window Motor	In each door.
Windshield Washer Motor	In front and rear washer fluid reservoir.

Buick Century Special 1995 - SENDING UNITS & SENSORS

Buick Century Special 1995 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Speed Sensors	On each wheel knuckle assembly.
A/C Pressure Sensor	On right side of engine compartment, on A/C line. See Fig. 1 .
Air Bag System (Arming Sensor)	Behind dash, left of PCM.
Air Bag System Forward Discriminating Sensor	Forward of engine compartment, below hood latch.
Air Bag System Passenger Compartment Discriminating Sensor	Behind dash, forward of center console.
Engine Coolant Temp. (ECT) Sensor	Bottom of coolant outlet. See Fig. 1 .
Intake Air Temp. (IAT) Sensor	On top right rear of engine, on intake manifold. See Fig. 1 .
Knock Sensor (KS)	On right side of engine, near ignition coil pack. See Fig. 1 .
Manifold Absolute Pressure (MAP) Sensor	On right side of air cleaner assembly. See Fig. 1 .
Oxygen Sensor (O2S)	On exhaust manifold. See Fig. 1 .
Throttle Position (TP) Sensor	On throttle body assembly. See Fig. 1 .
Vehicle Speed Sensor (VSS)	On right side of transaxle. See Fig. 1 .

Buick Century Special 1995 - SOLENOIDS & SOLENOID VALVES

Buick Century Special 1995 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
ABS Solenoids	On ABS master cylinder.
Automatic Seat Belt (Lap Retractor Release Solenoid)	In lower rear of respective front door.
Automatic Seat Belt (Shoulder Retractor Release Solenoid)	In lower rear of respective front door.
Canister Purge Solenoid	On rear of engine, under intake plenum. See Fig. 1 .
EGR Solenoid	On top of intake manifold. See Fig. 1 .
Idle Air Control (IAC) Valve	On throttle body assembly. See Fig. 1 .
Tailgate Release Solenoid (Wagon)	In lower left side of tailgate.
Trunk Lid Release Solenoid	On trunk lid latch assembly.

Buick Century Special 1995 - SWITCHES

Buick Century Special 1995 SWITCHES LOCATION

Component	Location
Brake/Cruise/TCC Switch	On brake pedal support bracket.
Brake Fluid Level Switch	In brake fluid reservoir.
Coolant Temperature Switches	On right rear of engine.
Fuel Pump/Oil Pressure Switch	On right side of engine, near ignition coil.
Parking Brake Switch	On parking brake assembly.
Park/Neutral (P/N) Switch	On top left side of transaxle. See Fig. 1 .
Seat Belt Switch	On driver's seat belt assembly.
Tailgate Ajar Switch (Wagon)	Bottom center of tailgate.

Buick Century Special 1995 - MISCELLANEOUS

Buick Century Special 1995 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Diode	In compressor wiring, below A/C compressor.
Blower Motor Resistors	In engine compartment, on blower fan housing.
Data Link Connector (DLC)	Under left side of dash, near steering column. See Fig. 1 .
DRL Photo Resistor	On top center of dash.
Fuel Pump Prime/Test Connector	On right front corner of engine compartment.
High Level Stoplight Resistor	In wiring harness, in liftgate.
Interior Light Dimmer Transistor	Behind left side of dash, near light switch.
Turn Signal Flasher	Above accelerator pedal, on bracket.

Buick Century Special 1995 - CONNECTORS

Buick Century Special 1995 CONNECTORS LOCATION

Component	Location
C100 (Black, 34 Pin)	Left front of dash, behind strut tower.
C102 (3 Pin)	Left side, rear of engine, next to transaxle fill tube.
C104 (1 Pin)	Underside of hood, near underhood light.
C108 (Black, 6 Pin)	Near power brake booster.
C109 (3 Pin)	Top front of engine, near oil fill cap.
C110 (3 Pin)	Bottom front of engine, under A/C compressor.
C113 (1 Pin)	Front of engine, above starter solenoid assembly.
C121 (Blue, 8 Pin)	Behind center of dash, near C210.
C187 (2 Pin)	Inside engine compartment, near right shock tower.
C188 (2 Pin)	Inside engine compartment, near left shock tower.
C191 (2 Pin)	Top left side of engine, left of electronic engine module.
C202 (Black, 4 Pin)	Behind right side of dash, near EBCM.
C203 (Black, 4 Pin)	Behind left side of dash, near left radio speaker.
C204 (Black, 23 Pin)	Behind left side of dash, near shroud.
C206 (Black, 48 Pin)	Behind left side of dash, below steering column.
C210 (Black, 15 Pin)	Behind right side of dash, below powertrain control module.
C212 (Black, 8 Pin)	Behind left side of dash, near shroud.
C225	Center of steering column.
C230 (Black, 8 Pin)	Left rear of cargo compartment, behind wheelhouse.
C231 (3 Pin)	Center of dash, above ashtray.
C250 (Buick) (1 Pin)	Behind left side of dash, at shroud.
C250 (Oldsmobile) (1 Pin)	Right side of dash, near convenience center.
C251 (1 Pin)	Behind left side of dash.
C252 (3 Pin)	Behind left side of dash, near shroud.
C256 (Oldsmobile) (Black, 4 Pin)	Center of dash, under heater A/C control assembly.
C256 (Buick) (Black, 8 Pin)	Behind center of dash, right of steering column.
C271 (1 Pin)	Behind left side of dash, near shroud.
C304 (Black, 6 Pin)	Right side of shroud, near center access hole.
C305 (2 Pin)	Near left rear wheel speed sensor.
C307 (Black, 6 Pin)	Left side of shroud, near center access hole.
C313 (1 Pin)	Behind right side of dash, near windshield pillar.
C314 (1 Pin)	Behind left side of dash, near windshield pillar.
C315 (1 Pin)	Behind right side of dash, near windshield pillar.
C318 (Black, 15 Pin)	Left rear of cargo compartment, at base of tailgate pillar.
C319 (1 Pin)	Left rear quarter panel.
C326 (2 Pin)	Between front seats.
C328 (2 Pin)	Under left front seat.
C329 (2 Pin)	Under right front seat.
C331 (Black, 6 Pin)	Behind left side of dash, near shroud.
C334 (3 Pin)	Behind left side of dash, near windshield pillar.
C338 (2 Pin)	Under left front seat.
C339 (2 Pin)	Under right front seat.
C341 (1 Pin)	Under left side of dash, near "A" pillar.
C347 (Black, 6 Pin)	Under left front seat.
C348 (Black, 8 Pin)	In front of left front door.
C398 (Black, 4 Pin)	In front of left front door.
C399 (Black, 4 Pin)	In front of right front door.
C403 (2 Pin)	In cargo compartment, above left rear wheelhouse.
C404 (2 Pin)	Underside of cargo compartment lid.
C409 (Black, 4 Pin)	Below rear of vehicle, forward of fuel tank.
C410 (3 Pin)	Rear of vehicle, base of right tailgate pillar.
C411 (Black, 6 Pin)	Rear of vehicle, top of left tailgate pillar.
C412 (Black, 6 Pin)	Left rear of cargo compartment, at base of tailgate pillar.
C413 (3 Pin)	In bottom center of tailgate.
C415 (Black, 4 Pin)	Rear of vehicle, at top of right tailgate pillar.
C416 (Black, 4 Pin)	In tailgate, near lower right corner.
C417 (1 Pin)	Top left side of tailgate.
C418 (1 Pin)	Top left side of tailgate header.
C419 (3 Pin)	Top center of tailgate header.
C424 (2 Pin)	Rear of vehicle, near top of left tailgate pillar.
C425 (2 Pin)	Rear of vehicle, near top of left tailgate pillar.

Buick Century Special 1995 - GROUNDS

Buick Century Special 1995 GROUNDS LOCATION

Component	Location
G102	Left front of engine compartment, on radiator support.
G103	Right front of engine compartment, on radiator support.
G104	On right side of upper radiator support.
G105	On transaxle stud, under intake manifold.
G106	Left front of engine compartment, on transaxle stud.
G107	Left front of engine compartment, on radiator support.
G112	On transaxle stud, rear of starter solenoid.
G202	Center of dash, left of ashtray.
G203	Center of dash, left of ashtray.
G210	On right shroud, above door pass-through.
G305	On inner lower right kick panel.
G307	Right bottom side of roof pillar.
G310	Under left front trim on drivers seat.
G403	Near left side of wheelhouse.
G409	Top center of tailgate header.
G410	Rear of vehicle, on tailgate license compartment.
G412	Rear of vehicle, near top of left tailgate pillar.
G413	Behind left side of dash, near left radio speaker.
G414	On right side upper radiator support.

Buick Century Special 1995 - SPLICES

Buick Century Special 1995 SPLICES LOCATION

Component	Location
S102	Forward lamp harness, rear center of engine compartment.
S105	Engine harness, behind right side of dash.
S107	Forward lamp harness, left side of engine compartment.
S108	Forward lamp harness, near washer pump.
S109	Injector harness, inside engine compartment.
S121	Engine harness, right rear of engine.
S122	Forward lamp harness, near blower motor.
S123	Engine harness, near rear of engine.
S126	Injector harness, inside engine compartment.
S127	Engine compartment, near P101.
S128	Injector harness, inside engine compartment.
S129	Injector harness, inside engine compartment.
S130	Injector harness, inside engine compartment.
S131	Engine harness, near A/C diode.
S132	Engine harness, near rear of engine.
S134	Engine harness, behind right side of dash.
S136	Engine harness, behind right side of dash.
S137	Engine harness, top rear of engine.
S142	I/P harness, near convenience center.
S143	Engine harness, behind right side of dash.
S164	Engine harness, right front of engine compartment.
S165	Engine harness, near relay bracket.
S166	Engine harness, right front of engine compartment.
S181	Engine harness, near A/C diode.
S182	Engine harness, near A/C diode.
S184	Dash, near EBCM.
S185	Forward lamp harness, near junction block.
S186	Engine harness, near PCM.
S190	I/P harness, behind right of DLC.
S191	Engine harness, behind right side of dash.
S201	I/P harness, behind right side of dash.
S202	I/P harness, near DERM bracket.
S203	I/P harness, behind right side of dash.
S204	I/P harness, behind right side of dash.
S205	I/P harness, left of DLC.
S209	I/P harness, left of door lock module.
S210	I/P harness, behind right side of dash.
S211	I/P harness, right of door unlock module.
S213	I/P harness, behind right side of dash.
S215	I/P harness, behind center of dash.
S217	I/P harness, behind center of dash.
S218	I/P harness, upper left side of dash.
S220	I/P harness, right side of dash.
S221	Body front harness, near RKE module.
S222	I/P harness, right of DERM.
S223	I/P harness, near P200.
S224	I/P harness, near DERM.
S225	I/P harness, near DERM.
S226	I/P harness, near P200.
S227	I/P harness, upper left side of dash.
S230	I/P harness, left of DCC.
S240	I/P harness, behind center of dash.
S252	I/P harness, near DERM.
S253	I/P harness, behind dash, near cluster.
S254	I/P harness, behind left side of dash.
S260	I/P harness, behind left side of dash.
S271	Engine harness, top rear of engine.
S293	I/P harness, right of diode assembly.
S295	I/P harness, near DERM.
S298	SIR harness, near resistor module connector breakout.
S299	SIR harness, near DERM connector breakout.
S301	Cross-car harness, near left "A" pillar.
S302	Cross-car harness, near left "A" pillar.
S303	Cross-car harness, behind center of dash.
S304	Cross-car harness, near right "A" pillar.
S305	Cross-car harness, behind right side of dash.
S306	Cross-car harness, near left "A" pillar.
S307	Underside of cargo compartment lid.
S314	Body rear harness, left side of cargo compartment.
S315	Dome lamp harness, above left center pillar.
S316	Dome lamp harness, above left center pillar.
S318	Power seat harness, under left front seat.
S322	Body rear harness, left side of cargo compartment.
S324	Cross-car harness, behind center of dash.
S325	Power seat harness, under left front seat.
S327	Power seat harness, under right front seat.
S335	Cross-car harness, near right "A" pillar.
S336	Cross-car harness, behind right side of dash.
S340	Body front harness, near RKE module.
S341	Cross-car harness, in left front door.
S342	Cross-car harness, in right front door.
S344	Power seat harness, under left front seat.
S345	Cross-car harness, in left front door.
S346	Cross-car harness, in right front door.
S350	Cross-car harness, near right "A" pillar.
S351	Cross-car harness, near right "A" pillar.
S352	Cross-car harness, near left "A" pillar.
S365	Power seat feed harness, below left front seat.
S398	Power mirrors harness, lower front of left front door.
S399	Power mirrors harness, lower front of right front door.
S401	Body rear harness, left side of cargo compartment.
S402	Body rear harness, right side of cargo compartment.
S403	Body rear harness, right side of cargo compartment.
S404	Body front harness, near RKE module.
S405	Body rear harness, left side of cargo compartment.
S408	Rear of vehicle, left side of tailgate pillar.
S409	Rear of vehicle, left side of tailgate pillar.
S410	Rear of vehicle, center of tailgate.
S411	Left side of cargo compartment lid.
S412	Rear of vehicle, right side of tailgate pillar.
S413	Rear of vehicle, right side of tailgate pillar.
S491	Rear of vehicle, near top of left tailgate pillar.
S492	Rear of vehicle, near top of left tailgate pillar.
S500	Cross-car harness, at left shroud, near power/window control module.

Buick Century Special 1995 - COMPONENT LOCATION GRAPHICS

NOTE:

Fig.res may show multiple component locations. - appropriate table for proper figure references.

Fig. 1: Buick Century Special 1995 - Component Locations - Engine Compartment