Diagram sections — 28 (46 total)
AIR CONDITIONING ANTI-LOCK BRAKES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS PASSIVE RESTRAINTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Air Conditioning Wiring Diagrams for Buick Century Special 1996 List of elements for Air Conditioning Wiring Diagrams for Buick Century Special 1996: 43 (buick) (olds) +5v A/c clutch diode A/c compressor clutch A/c compressor control relay (right front of engine compartment on relay bracket) A/c compressor in line fuse 10a (behind right side of i/p, taped to harness near fuse block) A/c pressure sensor (right front of engine, on compressor) A/c request Bi-lv Blower motor Blower relay (right front of engine compartment) Blower resistors (right rear of engine compartment) Blower switch C2 c2 Def E d Engine coolant temperature sensor (left side of engine) Fuse block G129 (on transaxle stud) Heater-a/c control assembly Hot at all times Hot in accy or run Hot in run, bulb test or start Htr Htr-a/c fuse 20a L4 vin 4 Max Mode switch Norm Off Pnk Powertrain control module (behind right side of i/p) Primary coolant fan Primary coolant fan relay (right front of engine compartment on relay bracket) Pusher coolant fan Pusher coolant fan relay (behind right side of radiator) Red Relay control Sensor input Sensor return Tan V6 vin m Vent
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Buick Century Special 1996 List of elements for Anti-lock Brake Wiring Diagrams for Buick Century Special 1996: 73 (center of i/p) (left radiator support) (on bottom of i/p, right of steering column) A10 A11 A12 Abs fuse 20a (behind i/p compartment) Abs ind ctrl Abs motor pack (abs hydraulic modulator assembly) Abs warning indicator Active ind ctrl B12 Batt Brake in Brake ind ctrl Brake warning indicator Data link connector Ebcm independent lamp driver module (left of headlight switch) Electronic brake control module (ebcm) (left side of brake pedal support) Electronic brake control relay (behind right shock tower) Enable rly output Fuse 5a Fuse block G108 G206 Gauges fuse 10a Ground Hot at all times Hot in run Hot in run, bulb test or start Ign Instrument cluster Instrument cluster system L fnt mtr-hi L fnt mtr-lo Left fnt spd sens + Left fnt spd sens - Left front abs solenoid (abs hydraulic modulator assembly) Left front motor Left front wheel speed sensor Left rear spd sens Left rear spd sens - Left rear wheel speed sensor Left solenoid Low traction indicator Multi-function alarm in-line fuse 20a (behind i/p fuse block) Nca Pnk Pnk c1 c1 Pnk c1 c1 (buick) (olds) Pnk c2 c1 Power distribution system Rear motor Rear mtr-hi Rear mtr-lo Red Right front abs solenoid (abs hydraulic modulator assembly) Right front motor Right front wheel speed sensor Right rear wheel speed sensor Rly coil ctrl Rt fnt mtr-hi Rt fnt mtr-lo Rt fnt solenoid Rt fnt spd sens + Rt fnt spd sens - Rt rear spd sens + Rt rear spd sens - Serial data Solid state Stop haz fuse 10a Stoplamp/ tcc brake switch (brake pedal bracket) Tan
COMPUTER DATA LINES Computer Data Lines for Buick Century Special 1996 List of elements for Computer Data Lines for Buick Century Special 1996: 15 A11 Data clss 2 Data link connector (below left side of i/p) Diag enable Diagnostic energy reserve module (behind left side of i/p) Electronic brake control module (behind right side of i/p) G129 (on transaxle) G206 (center of i/p) Hot at all times L4 vin t Multi-function alarm inline fuse 20a (taped to harness, behind fuse block) Powertrain control module (behind right side of i/p) Tan Uart data V6 vin m
COOLING FAN Cooling Fan Wiring Diagram for Buick Century Special 1996 List of elements for Cooling Fan Wiring Diagram for Buick Century Special 1996: 17 Engine coolant temperature sensor (left side of engine) Engine/a/c in line fuse 10a (left of steering column, taped to harness, behind i/p fuse block) G129 (on transaxle stud) Hot at all times Hot in run, bulb test or start L4 vin 4 Pnk Powertrain control module (behind right side of i/p) Primary coolant fan Primary coolant fan relay (right front of engine compartment on relay bracket) Pusher coolant fan Pusher coolant fan relay (behind right side of radiator) Red Relay control Sensor input Sensor return V6 vin m
CRUISE CONTROL Cruise Control Wiring Diagram for Buick Century Special 1996 List of elements for Cruise Control Wiring Diagram for Buick Century Special 1996: 35 (on brake pedal 4000 pulses/mile Brake input C 1995 vftc Cruise control module (left front shock tower) Cruise control release switch (on brake pedal support) Cruise control switch Cruise ind Cruise on/off input Cruise status Fan/alt fuse 10a Fuse block G108 (on left radi- ator support) Gages fuse 10a Ground Hot at all times Hot in accy or run Hot in run, bulb test or start Ignition input Instrument cluster (buick only) Nca Off Pnk Powertrain control module (pcm) (behind right side of i/p) R/a Resume/accel input Set sw Set/coast input Stop/haz fuse 20a Stoplamp/tcc switch Support) Vehicle speed enable Vehicle speed sensor (vss) (lower right rear of engine, on transaxle) Vss return Vss signal
DEFOGGERS Defogger Wiring Diagram for Buick Century Special 1996 List of elements for Defogger Wiring Diagram for Buick Century Special 1996: 23 (bottom of right "c" pillar) (buick) (olds) C 1995 vftc C a Fuse block (behind right side of i/p) G206 (center of i/p) G906 Gages fuse 10a Hot at all times Hot in run, bulb test or start Hot with headlights on Inst lps fuse 5a On indicator Panel light Pnk Pwr acc circuit breaker 30a Rear defogger Rear defogger control Rear defogger switch Sedan Timer Wagon
ENGINE PERFORMANCE
2.2L 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 3) for Buick Century Special 1996 List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 3) for Buick Century Special 1996: 54 5v ref voltage A/c refrig press sens A/c request in Air conditioning system Cam pos sensor in Cam/crank sens grd Cam/crank sens pwr Camshaft position sensor (right side of engine) Class 2 data line Crank pos sensor in Cruise control system Cruise on signal in Data link connector (below left side of i/p) Ecm fuse 15a Ecm ground Ect sensor in Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel injectors Fuel pump in-line fuse 15a (right front of engine compt, on relay bracket) Fuel pump relay ctrl Fuel pump/ oil pressure switch (center rear of engine) Fuse block G130 (top of transaxle) G130 (top of transaxle, on stud under intake manifold) G130 (transaxle stud, under intake manifold) H02s 2 signal in High resolution 24x crankshaft position sensor (center rear of engine, below icm module) Ho2s 2 signal return Hot at all times Hot in run, bulb test or start Iac motor control Iat sensor in Idle air control (iac) valve (on side of throttle assembly) Linear egr pos sens in Linear egr sol out Map sensor in Nca O2s 1 signal in O2s 1 signal return Park/neutral position switch (left rear of engine, on transaxle) Park/neutral sw in Pcm ground Pnk Power (battery) Power (ignition 1) Power (ignition) Powertrain control module (behind right side of i/p) Sensor return Tan Tp sensor in Uart data line 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 3) for Buick Century Special 1996 List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 3) for Buick Century Special 1996: 23 87a A/c refrigerant pressure sensor (lower right side of engine compt) Engine coolant temperature sensor (top left side of engine) Engine/ac in-line fuse 10a (behind left side of i/p, taped to harness) Evap emissions canister purge vacuum diagnostic switch (top center rear of engine) Evaporative emissions canister purge solenoid valve (rear of engine) Fuel pump prime connector (right front of engine compt, near relay bracket) Fuel pump relay (right front of engine compt) Fuel tank unit G108 (left radiator support) G130 (top of transaxle) G402 (left rear wheelhouse) Heated oxygen sensor 2 (catalyst) monitor) (exhaust pipe behind catalytic converter) Hot in run, bulb test or start Intake air temperature sensor (top left side of engine, on intake air ductwork) Linear exhaust gas recirc- ulation valve (top left side of engine) Manifold absolute pressure sensor (top center of engine) Nca Oxygen sensor 1 (front of engine, in exhaust manifold) Pnk Red Tan Throttle position sensor (side of throttle body) 2.2L (VIN 4), Engine Performance Wiring Diagrams (3 of 3) for Buick Century Special 1996 List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (3 of 3) for Buick Century Special 1996: 43 (left rear of engine, above transaxle) ignition control module A/c comp relay ctrl Air conditioning system Automatic transaxle Brake pedal sw in Buick Canister purge sol ctrl Cool fan relay 1 ctrl Cool fan relay 2 ctrl Coolant temp indic ctrl Cooling fans system Cruise control system Ecm ground Engine coolant temp indic Evap vac diag sw in Fan/alt fuse 10a Fuse block G130 (top of transaxle) Gages fuse 10a Hot in acc or run Hot in run, bulb test or start Ignition amplifier and switching module Ignition coil ctrl out Inj/coil fuse 20a Instrument cluster Instrument cluster system Knock sensor (center rear of engine, below icm module) Knock sensor in Mil indic ctrl Olds Plugs spark Pnk Power (ignition 1) Powertrain control module (behind right side of i/p) Service engine soon indic Stop lamp tcc/cruise brake switch (behind left side of i/p) Tcc sol ctrl Third gear switch (closed in third gear) Vehicle speed sensor (on transaxle) Vss out Vss sensor in Vss sensor return Warning systems
3.1L 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Buick Century Special 1996 List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Buick Century Special 1996: 62 24x crank pos in 5v ref out A/c comp ctrl A/c request in Air cond- itioning system Air conditioning system Brake/tcc sw in Cam pos in Cam/crnk pos return Camshaft position sensor (right side of engine, below intake manifold) Cooling fans system Cruise control system Cruise engaged sig Data link connector (under left side of i/p) Dlc class 2 data Ecm fuse 15a Egr valve sol ctrl Engine cool fan #1 Engine cool fan #2 Engine data sens grd Engine/ac in-line fuse 10a (behind left side of i/p) Evap emissions canister purge vacuum diagnostic switch (top center of engine) Evap purge diag sw Evap purge sol ctrl Evaporative emissions canister purge solenoid valve (top center rear of engine) Fuel pump in-line fuse 15a (right front of engine compartment) Fuel pump rly ctrl Fuel pump/ oil pressure switch (front of engine, above starter) Fuse block G129 (transaxle stud) High resolution 24x crankshaft position sensor (right side of engine, behind harmonic balancer) Hot at all times Hot in run, bulb test or start Iac control Icm module bypass Idle air control (iac) valve (on side of throttle assembly) Ignition ctrl in Ignition ctrl ref hi Ignition ctrl ref lo Ignition feed Instrument cluster system Intake air temperature (iat) sensor (left front of engine compt) Maf sensor in Mass air flow sensor (left front of engine compt) Mil lamp control Pcm ground Pnk Power (battery) Power (ignition) Powertrain control module (behind right side of i/p) Red Tan Tcc enable sol ctrl Tcc solenoid ctrl Trans range sw 'a' Trans range sw parity Uart data link Vehicle speed sensor (on transaxle) Vss in Vss out-4000 ppm Vss return Warning systems 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Buick Century Special 1996 List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Buick Century Special 1996: 35 (top center rear of engine block) ignition coil assembly (top of transaxle) transaxle range switch (transaxle stud) * buick ** olds 87a Charge Check engine Coolant temp Engine coolant temperature sensor (top left side of engine) Fan/alt fuse 10a Fuel pump (top of fuel tank) Fuel pump prime connector (right front of engine compartment) Fuel pump relay (relay bracket, right front of engine compartment) Fuse block G129 G129 (transaxle stud) G130 (transaxle stud, under intake manifold) G402 (left rear wheelhousing) Gauges fuse 10a Hot in acc or run Hot in run, bulb test or start Ignition amplifier and switching module Inj/coil fuse 20a Instrument cluster Linear exhaust gas recirc- ulation valve (top left side of engine) Low resolution 7x crankshaft sensor (lower rear of engine) Nca Plugs spark Pnk Red Spark plugs Stoplamp/ tcc/cruise brake switch (under left side of i/p) Tan Throttle position sensor (throttle body) Warning systems 3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Buick Century Special 1996 List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Buick Century Special 1996: 48 A/c press sens in A/c refrigerant pressure sensor (right side of engine compt, below accumulator) Alternator ind ctrl Coolant temp indic ctrl Cruise control system Cruise inhibit out Ect sensor in Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel inj 5 ctrl Fuel inj 6 ctrl Fuel injectors G108 (left radiator upper support) G129 (transaxle stud) G130 (transaxle stud under intake manifold) Gen out signal in Heated oxygen sensor #1 (rear of engine, in exhaust manifold) Heated oxygen sensor #2 (in exhaust pipe, behind catalyst) Ho2s 1 hi in Ho2s 1 low in Ho2s 2 hi in Ho2s 2 low in Iat sensor in Knock sens in Knock sensor (front of engine, above starter) Linear egr pos sens in Manifold absolute pressure sensor (top rear of engine) Map sensor in Pcm ground Pnk Powertrain control module (behind right side of i/p) Red Shift solenoid a Shift solenoid b Starting/ charging system Tan Tcc (pwm) solenoid Tcc enable solenoid Tp sensor in Trans range sw 'b' in Trans range sw 'c' in Trans shift sol 'a' Trans shift sol 'b' Trans temp sens in Transaxle Transmission fluid temperature sensor
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Buick Century Special 1996 List of elements for Backup Lamps Wiring Diagram for Buick Century Special 1996: 16 (sedan) (wagon) 20a All except oldsmobile sedan Backup light Backup light (sedan) G b G402 (left rear wheel well) G402-sedan (left rear wheel well) G406-wagon (in liftgate license compartment) Hot at all times L4 vin 4 Multi-function alarm in-line fuse (behind i/p fuse block) Oldsmobile sedan Park neutral position switch (left side of engine compt, on transaxle) Transaxle range switch (left side of engine compt, on transaxle) V6 vin m Exterior Lamps Wiring Diagram, Sedan for Buick Century Special 1996 List of elements for Exterior Lamps Wiring Diagram, Sedan for Buick Century Special 1996: 54 (left rear wheel well) A10 A11 Anti-lock brakes system Buick Center high mounted stop lamp Convenience center (left of steering column) Daytime running lights module (behind center of i/p) Fuse block (behind right i/p) G108 (left radiator support) G109 (right radiator support) G206 (center of i/p G300 (under driver's seat) G402 Hazard Hazard flasher Head Hot at all times Hot in run, bulb test or start Instrument cluster Left front marker light Left front park/ turn light Left rear marker light Left rear tail/ stop/ turn lights Left tail lights Left turn & hazard Left turn ind. License light Light switch Nca Normal Off Oldsmobile Park Park lamps ctrl Pnk Right front marker light Right front park/ turn light Right rear marker light Right rear tail/ stop/ turn lights Right tail lights Right turn & hazard Right turn ind. Sound systems Stop haz fuse 20a Stop lamp/ tcc switch (on brake pedal support) Tail fuse 20a Turn b/u fuse 15a Turn signal lamp flasher (behind center of i/p, behind ashtray) Turn- signal switch W/ luggage carrier W/drl only W/o luggage carrier Warning, anti- theft systems Exterior Lamps Wiring Diagram, Wagon for Buick Century Special 1996 List of elements for Exterior Lamps Wiring Diagram, Wagon for Buick Century Special 1996: 62 (buick) (buick) (oldsmobile) (left rear wheel well) (oldsmobile) A10 A11 Anti-lock brakes system B (oldsmobile) (buick) B a Buick Buick w/ drl C1 c2 C2 c1 Center high mounted stop lamp Center high mounted stop lamp in-line resistor Convenience center (right side of i/p) (oldsmobile) (left of steering column) (buick) Daytime running lights module (behind center of i/p) Fuse block (behind right i/p) G108 (left radiator suport) G109 (right radiator suport) G206 (center of i/p G402 G406 (in liftgate license compartment) Hazard Hazard flasher Head Hot at all times Hot in run, bulb test or start Instrument cluster Interior lights system Left front marker light Left front park/ turn light Left rear marker light Left rear tail/ stop/ turn lights Left turn & hazard Left turn ind. License light Light switch Nca Normal Off Olds- mobile Oldsmobile Oldsmobile w/ drl Park Park lamps ctrl Pnk Right front marker light Right front park/ turn light Right rear marker light Right rear tail/ stop/ turn lights Right turn & hazard Right turn ind. Sound systems Stop haz fuse 20a Stop lamp/ tcc switch (on brake pedal support) Tail fuse 20a Turn b/u fuse 15a Turn signal lamp flasher (behind center of i/p, behind ashtray) Turn- signal switch W/drl only Warning, anti- theft systems
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Buick Century Special 1996 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Buick Century Special 1996: 59 2.2l 3.1l A/c compressor clutch coil A/c compressor clutch diode Battery Blower motor Blower relay Buick C 1995 vftc C1 f Camshaft position sensor Crankshaft position sensor Cruise control module Data link connector Door lock relay Drivers door latch switch Electronic brake control module Electronic ignition system Fuel pump relay G108 (left radiator support) G109 (right radiator support) G109 (upper right radiator support) G110 (left front of engine, on transaxle stud) G125 (rear of starter solenoid) G131 (under intake manifold) G203 (right kick panel) Heated oxygen sensor no. 1 Heated oxygen sensor no. 2 Instrument cluster Left composite headlight assembly Left front abs solenoid Left front park/turn light Left front side marker light Left front window switch Left front window switch Left front window switch light Left horn Left seat belt lap retractor release solenoid Left seat belt shoulder retractor release solenoid Mass airflow sensor Nca Olds Park/ neutral position switch Passenger door latch switch Powertrain control module Primary coolant fan Pusher coolant fan Right composite headlight assembly Right front abs solenoid Right front park/turn light Right front side marker light Right front window switch light Right horn Right seat belt lap retractor release solenoid Right seat belt shoulder retractor release solenoid Tan Transaxle range switch Wind- shield motor module Wind- shield wiper motor Ground Distribution Wiring Diagram (2 of 3) for Buick Century Special 1996 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Buick Century Special 1996: 29 A14 Antenna relay Ashtray light Auto door unlock module Brake fluid level indicator sensor Buick C 1995 vftc Cigar lighter Data link connector Daytime running lights module Diagnostic energy reserve module Ebcm independent light driver module Fuel tank unit G206 (center of i/p, left of ashtray) Headlight switch illumination light Heater-a/c control assembly light Heater-a/c control assembly lights I/p compartment light I/p dimmer switch Ignition key warning switch Instrument cluster Multi- function alarm module Nca Nca b Oldsmobile Reading light Rear defogger control Sedan Wagon Ground Distribution Wiring Diagram (3 of 3) for Buick Century Special 1996 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Buick Century Special 1996: 55 A12 Back-up lights Buick sedan Buick wagon C 1995 vftc C348 Diagnostic energy reserve module Forward discriminating sensor Fuel tank unit G109 (right radiator support) G202 (left side of i/p) G203 (right kick panel) G206 (center of i/p, left of ashtray) G309 (under left floor trim at driver's seat) G402 (left rear wheelhouse) G407 (in license compartment) G411 (top left of tailgate) G412 (top center of ligtgate header) High mount stop light High mounted stop light in-line resistor Left back-up light Left door mirror switch Left rear marker light Left rear side marker light Left rear tail/ stop/turn lights Left recliner switch Left tail lights Left tail/ stop/turn lights License light Nca Nca a Olds sedan Passenger compartment discriminating sensor Power seat switch Program connector Radio Rear compart- ment lid release relay Rear dome light Rear washer pump Rear wiper module Rear wiper/ washer control switch Remote control door lock receiver Right back-up light Right rear marker light Right rear side marker light Right rear tail/ stop/turn lights Right recliner switch Right tail lights Right tail/ stop/turn lights Seat belt switch Sedan W/ auo W/ luggage carrier W/o luggage carrier Wagon
HEADLIGHTS Headlight Wiring Diagram, with DRL for Buick Century Special 1996 List of elements for Headlight Wiring Diagram, with DRL for Buick Century Special 1996: 47 (buick) (olds) 1995 vftc c C100 C206 C206 b5 C5 nca Closed in day mode Closed in night mode Daytime running lamps (drl) module (behind left side of i/p, olds: left of steering column; buick: right of steering column) Diode assembly (behind center of i/p, above a/c module) Exterior lights system Fan/alt fuse 10a Fuse block G108 (on left radiator support) G109 (on right radiator support) G206 (center of i/p) Gauges fuse 10a Ground Head Headlamp dimmer switch Headlamp switch Hi beam Hi beam indicator Hi beam on input Hot at all times Hot in accy run Hot in run, bulb test or start Ignition input Instrument cluster Instrument cluster system Left composite headlamp assembly Lo beam Nca Off Olds buick Park Park brake input Park brake switch (on park brake) Photo- resistor (top center of i/p) Photoresistor input Pnk Red Regulator (5v) Right composite headlamp assembly Tail fuse 20a Tan Headlight Wiring Diagram, without DRL for Buick Century Special 1996 List of elements for Headlight Wiring Diagram, without DRL for Buick Century Special 1996: 26 (buick) (buick) (olds) (olds) (on left radiator support) (on right radiator support) C 1995 vftc C100 C2 c1 C206 G108 G109 G206 (center of i/p) Head Headlamp dimmer switch Headlamp switch Hi beam Hi beam indicator Hot at all times Instrument cluster Left composite headlamp assembly Lo beam Nca Off Park Right composite headlamp assembly Tan
HORN Horn Wiring Diagram for Buick Century Special 1996 List of elements for Horn Wiring Diagram for Buick Century Special 1996: 15 (left radiator support) (right radiator support) C 1995 vftc Convenience center Ctsy fuse 20a Fuse block G108 G109 Horn relay Horn switch Hot at all times Left horn (left side of radiator support) Right horn (right side of radiator support) Slip ring Steering wheel
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Buick Century Special 1996 List of elements for Courtesy Lamps Wiring Diagram for Buick Century Special 1996: 40 (sedan) Courtesy switch Ctsy fuse 20a Diode assembly (center of dash) Dome light Door open input Driver's door latch switch Fuse block G203 (lower right kick panel) G206 (center of i/p, left of ashtray) G909 (top center of liftgate header) Gages fuse 10a Headlamp switch illumination lamp Hot at all times Hot in run, bulb test or start I/p compartment light I/p dimmer switch on Illuminated entry control output Interior lights control Left front door courtesy light Left i/p courtesy light Left rear door jamb switch Left vanity mirror light Liftgate light switch Nca Off Passenger's door latch switch Pnk Power distribution system Reading lamp Reading lamp (wagon) Reading light (buick) Rear compartment light Remote control door lock receiver (forward of left rear wheelhouse) Right front door courtesy light Right i/p courtesy light Right rear door jamb switch Right vanity mirror light Seat belt/ ignition key/ lamps and turn signal alarm (convenience center) Underhood light (buick) Instrument Illumination Wiring Diagram for Buick Century Special 1996 List of elements for Instrument Illumination Wiring Diagram for Buick Century Special 1996: 29 (2) (3) (4) (buick) (olds) Ashtray light Buick Daytime running lights module (left side of i/p) Dimmer transistor (behind left side of i/p, near light switch) Exterior lights system Fuse block G203 (lower right kick panel) G206 (center of i/p, left of ashtray) Head Headlamp switch Heater- a/c control assembly Hot at all times I/p dimmer switch Inst lps fuse 5a Instrument cluster Left window switch illumination lamp Off Olds Park Radio Rear defogger control Right window switch illumination lamp Tail fuse 20a W/ drl
PASSIVE RESTRAINTS Passive Restraint Wiring Diagram for Buick Century Special 1996 List of elements for Passive Restraint Wiring Diagram for Buick Century Special 1996: 45 (below left front seat) (buick) (olds) (center of i/p, left side of ashtray) (olds) (buick) (right kick panel) (v6 vin m) (l4 vin 4) 1996 vftc c B nca Battery C1 c2 C1 c3 C2 c1 Cig ltr fuse 20a Cigar lighter Convenience center (left side of i/p-buick) (right side of i/p-olds) Diagnostic energy reserve module (derm) Driver's door latch switch Fasten belts indicator Fasten belts indicator control Fuse block G203 G206 G300 Gauges fuse 10a Ground Hot at all times Hot in run, bulb test or start Ignition Instrument cluster Left front door open input Left seat belt lap retractor release solenoid (left door) Left seat belt shoulder retractor release solenoid (left door) Nca Passenger's door latch switch Pnk Powertrain control module (behind right side of i/p) Right front door open input Right seat belt lap retractor release solenoid (right door) Right seat belt shoulder retractor release solenoid (right door) Safety belt input Seat belt retractor input Seat belt switch (part of driver's seat belt assembly) Seat belt/ ignition key/ lamps and turn signal alarm Vehicle speed input Vehicle speed output
POWER ANTENNA Power Antenna Wiring Diagram for Buick Century Special 1996 List of elements for Power Antenna Wiring Diagram for Buick Century Special 1996: 16 Antenna Antenna coax lead Antenna motor (right front fender, on rail assembly) Antenna relay (behind right side of i/p, above i/p compartment) Ctsy fuse 20 amp Down Down switch Fuse block G206 (center of i/p) Hot at all times Hot in accy or run Nca Radio Radio fuse 10 amp Solid state Up switch
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Buick Century Special 1996 List of elements for Power Distribution Wiring Diagram (1 of 3) for Buick Century Special 1996: 90 (12 ga-rust) (buick) (buick) (olds) (olds) (olds) (buick) (vin 4) (vin m) (w/ a31) A d Antenna relay Ashtray light B (w/o a31) Battery Blower relay Buick Buick wagon C 1995 vftc Circuit breaker Ctsy fuse 20a D a Data link connector Daytime running lights (drl) module Daytime running lights module Dimmer switch Dome light Dome reading light Electronic brake control module Electronic brake control relay Exterior lights system Front window switch illumination Fuel pump in-line fuse 15a Fuel pump relay Fuel pump/ oil pressure sender/switch Fuse block Fusible link a (16 ga-rust) Fusible link b (14 ga-rust) Fusible link c (16 ga-rust) Fusible link d (20 ga-rust) Fusible link e Fusible link f (16 ga-rust) Fusible link g (14 ga-rust) Generator Head Headlight dimmer switch Heater-a/c control assembly Horn relay (convenience center) I/p compartment light I/p courtesy lights Inst lps 5a Instrument cluster Left Left door lock switch Left front door courtesy lamp Left vanity mirror light Light switch Multi- function alarm in-line fuse 15a Multi- function alarm module (convenience center) Nca Off Olds Outside remote control rear view mirror switch Park Park/ neutral position switch Powertrain control module Puller coolant fan relay Pusher coolant fan relay Radio Rear compartment courtesy light Rear defogger control Rear dome light (wagon) Rear wiper/ washer control switch Red Remote control door lock receiver Remote dimmer module Right Right door lock switch Right front door courtesy lamp Right vanity mirror light Starter solenoid assembly Tail fuse 20a To ignition switch To pwr/acc circuit breaker (fuse block) To stop-haz fuse (fuse block) Trans- axle range switch Transaxle range switch Underhood light (buick) Vin 4 Vin m Vin m only W/drl Power Distribution Wiring Diagram (2 of 3) for Buick Century Special 1996 List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Century Special 1996: 67 (buick) (olds) (l4 vin 4 only) (olds) (wagon) Acc Auto door unlock module B10 Buick Bulb test C 1995 vftc C1 (buick) C2 (buick) (olds) c2 Cig ltr fuse 20a Cigar lighter Convenience center Cruise control release switch Daytime running lights module (w/drl) Diagnostic energy reserve module Door lock relay E d Electronic brake control module Electronic brake control relay F (buick) (olds) a F e Fan/ alt fuse 10a From fusible link b From fusible link c Fuse block G206 (below left side of ashtray) Generator Hazard lamp flasher (convenience center) Heater- a/c control assembly Htr/ a/c fuse 20a Ignition switch L k (olds) Left front window switch Left rear window switch Left seat recliner switch Lock Nca Off Olds Pnk Power seat switch Power window control module Pwr/acc circuit breaker 30a Radio Radio fuse 10a Rear compartment lid release relay Rear defogger control Rear window wiper motor Rear wiper/ washer switch Red Rh recliner switch Right front window switch Right rear window switch Run Seatbelt ignition key/lamps and turn signal alarm Sir/ crank in-line fuse 15a Start Starting/ charging system Stop/ haz fuse 20a Stoplamp/ tcc switch To turn/ b/u fuse (fuse block) Wdo circuit breaker 30a Wiper fuse 25a Wiper/ washer switch Power Distribution Wiring Diagram (3 of 3) for Buick Century Special 1996 List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Century Special 1996: 55 (buick) (olds) (buick) (olds) a b (olds) b a A/c compressor control relay A/c compressor in-line fuse 10a A10 Airbag fuse 10a Arming sensor Auto door unlock module Automatic transaxle Buick C 1995 vftc C d C1 (olds) c1 (buick) C2 c2 Cruise control module Daytime running lights module Diagnostic energy reserve module Ebcm independent lamp driver module Ecm fuse 15a Electronic ignition module Eng/ a/c in-line fuse 10a Evaporative emission canister purge solenoid valve Evaporative emission canister purge vacuum diagnostic switch From ignition switch Fuel injectors (v6 vin m only) Fuse block Gages fuse 10a Headlamp switch illumination lamp Heated oxygen sensor Heated oxygen sensor 2 Inj/ coil fuse 20a Instrument cluster Linear exhaust gas recirculation solenoid valve Linear exhaust gas recirculation valve Mass airflow sensor Nca Pnk Powertrain control module Puller coolant fan relay Pusher coolant fan relay Reading lamp Rear defogger control Remote control door lock receiver Seat belt/ ignition key/ lamps and turn signal module (convenience center) Stoplamp/ tcc switch Turn signal lamp flasher Turn signal lever Turn/ b/u fuse 15a Unlock fuse 5a V6 vin m Vin 4 Vin m W/drl
POWER DOOR LOCKS Automatic Door Locks Wiring Diagram for Buick Century Special 1996 List of elements for Automatic Door Locks Wiring Diagram for Buick Century Special 1996: 41 (buick) (oldsmobile) (vin m) (vin 4) A tan Auto door unlock module (left side of i/p) C 1995 vftc C1 c3 C250 Ctsy fuse 20a Door lock relay (left side of dash, left of steering column) Fuse block (behind right side of i/p) G104 (transaxle stud, rear of starter solenoid) G110 (transaxle stud, under intake manifold) G203 (lower right kick panel) G206 (center of i/p) Hot at all times Hot in run bulb test or start L4 vin 4 Left front door lock actuator Left power door lock switch Left rear door lock actuator Lock Lock relay Multi-function alarm module (in convenience center) Nca Park/neu in Park/neutral position switch (on transaxle) Pnk Powertrain control module (behind right side of i/p) Pwr acc circuit breaker 30a Right front door lock actuator Right power door lock switch Right rear door lock actuator Rly cntrl Tan Transaxle range switch (on transaxle) Unlock Unlock fuse 5a Unlock relay V6 vin m Veh sp in Keyless Entry Wiring Diagram for Buick Century Special 1996 List of elements for Keyless Entry Wiring Diagram for Buick Century Special 1996: 59 (buick) (oldsmobile) (vin m) (vin 4) A tan Auto door unlock module (left side of i/p) B tan Buick C 1995 vftc C1 c3 Ctsy fuse 20a Door lock relay (right kick panel) Fuse block (behind right side of i/p) G203 (lower right kick panel) G206 (center of i/p) G300 (body front, harness, under left floor trim) Gages fuse 10a Ground Hot at all times Hot in run bulb test or start Ign Illum entry Interior lights system Keyless entry programming connector (near base of tailgate pillar) L4 vin 4 Left front door lock actuator Left power door lock switch Left rear door lock actuator Lf unlock Lock Lock relay Lock sig Multi-function alarm in-line fuse 20a Multi-function alarm module (in convenience center) Olds Park/neutral position switch (on transaxle) Pnk Powertrain control module (behind right side of i/p) Prog in Pwr acc circuit breaker 30a R/cmpt relcntrl Rear compartment lid release relay (right side of i/p) Rear compartment lid release solenoid Rear compartment lid release switch Release cntrl Remote control door lock receiver (rcdlr) (left center of luggage compt) Right front door lock actuator Right power door lock switch Right rear door lock actuator Rly cntrl Sedan Tan Transaxle range switch (on transaxle) Unlock Unlock fuse 5a Unlock relay Unlock sig V6 vin m Veh sp in Wagon
POWER MIRRORS Power Mirror Wiring Diagram for Buick Century Special 1996 List of elements for Power Mirror Wiring Diagram for Buick Century Special 1996: 16 1995 vftc c C348 C398 C399 Ctsy fuse 20a Fuse block G200 (right kick panel) Hot at all times Left mirror Left outside rearview mirror Left/ right motor Nca Outside remote control rearview mirror switch Right mirror Right outside rearview mirror Up/ down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Buick Century Special 1996 List of elements for 6-Way Power Seat Wiring Diagram for Buick Century Special 1996: 19 30a Back C 1995 vftc Down Entire seat For- ward Forward/ back motor Front height Front height motor Fuse block G300 (under left front seat) Hot at all times Left front seat Power seat switch Pwr acc circuit breaker Rear height Rear height motor Tan Tan a Recliner Wiring Diagram for Buick Century Special 1996 List of elements for Recliner Wiring Diagram for Buick Century Special 1996: 16 C 1995 vftc Capacitor Fuse block Fwd G300 (under left front seat) Hot at all times Left front seat Left recliner switch Left seat recliner motor Nca Pwr acc circuit breaker 30a Recline Red Right front seat Right recliner switch Right seat recliner motor
POWER WINDOWS Power Window Wiring Diagram for Buick Century Special 1996 List of elements for Power Window Wiring Diagram for Buick Century Special 1996: 17 Fuse block G203 (lower right kick panel) Hot in accy or run Inst lps fuse 5a Left front window motor Left rear window motor Left rear window switch Master switch assembly Master switch assembly light Rheostat controlled Right front window motor Right front window switch Right front window switch light Right rear window motor Right rear window switch Tan Wdo circuit breaker 30a
RADIO Radio Wiring Diagrams for Buick Century Special 1996 List of elements for Radio Wiring Diagrams for Buick Century Special 1996: 29 Antenna Antenna input Battery power Coaxial cable Ctsy fuse 20a Dim signal Fuse block (behind right side of dash) G205 (behind dash, right of steering column) Ground Hot at all times Hot in accy or run Ignition power Interior lights system Left front door speaker Left front speaker Left rear speaker Lt frt spkr Lt rear spkr On output Panel light Power antenna system Radio Radio fuse 10a Right front door speaker Right front speaker Right rear speaker Rt frt spkr Rt rear spkr Tan
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Buick Century Special 1996 List of elements for Shift Interlock Wiring Diagram for Buick Century Special 1996: 18 (buick) (olds) (olds) (buick) A (olds) b (buick) Brake switch (brake pedal support) Brake transmission shift interlock solenoid (base of steering column) C 1995 vftc G129 (on transaxle stud) Hot in run, bulb test or start I/p fuse block L4 vin 4 Park/neutral position switch (left side of engine compartment) Pnk Transaxle range switch (left side of engine) Turn b/u fuse 15a Turn flasher V6 vin m Warnings system
STARTING/CHARGING Charging Wiring Diagram for Buick Century Special 1996 List of elements for Charging Wiring Diagram for Buick Century Special 1996: 24 (buick) (olds) (left radiator support) (not used) p Battery Charge indicator Fan/alt fuse 10a Fuse block G108 Gages fuse 10a Generator Generator output control Hot in acc or run Hot in run, bulb test or start Indicator lamp control Instrument cluster Pnk Power distribution system Powertrain control module (right side of i/p) Red Starter solenoid Vin 4 Vin 4 only Vin m Vin m only Starting Wiring Diagram for Buick Century Special 1996 List of elements for Starting Wiring Diagram for Buick Century Special 1996: 22 (left radiator support) (on transaxle) transaxle range switch Accy Battery Bulb test Charging circuit Diagnostic energy reserve module (derm) Fusible link (16 ga-rust) G108 Hold- in coil Ignition switch Lock Nca Off Power distribution system Pull- in coil Red Run Start Starter motor Starter solenoid Vin m only
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Buick Century Special 1996 List of elements for Supplemental Restraint Wiring Diagram for Buick Century Special 1996: 53 (buick) (buick) (olds) (olds) 2.49 k 5.1 8.45 k A10 A11 A12 Air bag fuse 10a Air bag ind Anti-lock brakes Arming sensor (left of pcm) B10 B11 B12 Convenience center (behind left side of i/p, near shroud) Crank input Data link conn (dlc) (below left side of i/p, near steering column) Diag request input Diagnostic energy reserve module (derm) (behind left side of i/p) Driver 36v loop rsrv Driver seat belt Driver side "high" Driver side "low" Driver source sense Forward discriminating sensor (center of radiator support) G206 (behind center of i/p, left of ashtray) G206 (behind center of i/p, left of astray) G300 (below driver's seat under floor trim) Gauges fuse 10a Ground Hot in run, bulb test or start Hot in start I/p fuse block Ign 1 In-line fuse (right front corner of i/p, near fuse block) Inflator module (inside steering wheel hub) Instrument cluster Multi- function alarm module Nca Passenger compartment discriminating sensor (below center heater duct, under carpet) Pnk Redundant ground Redundant ind ign 1 Safety belt input Seat belt switch Serial data line Shorting bar Sir coil assembly (inside steering wheel hub) Sir crank fuse 15a Sir indicator Tan
TRANSMISSION
2.2L 2.2L (VIN 4), Transmission Wiring Diagram for Buick Century Special 1996 List of elements for 2.2L (VIN 4), Transmission Wiring Diagram for Buick Century Special 1996: 11 Automatic transaxle Closed in third gear Ecm fuse 15a Fuse block (behind right side of dash) H1 pnk Hot in run, bulb test and start Pnk Powertrain control module (behind right side of dash) S186 (engine harness, near engine oil pressure indicator switch breakout) Third clutch pressure switch Torque coverter clutch solenoid
3.1L 3.1L (VIN M), Transmission Wiring Diagram for Buick Century Special 1996 List of elements for 3.1L (VIN M), Transmission Wiring Diagram for Buick Century Special 1996: 64 (engine harness, 7 cm from puller engine cooling fan breakout) (engine jumper harness, 3 cm from fuel injector #1 breakout) (on transaxle) transaxle range switch (under left side of dash) data link connector 1-2 ctrl sol 1-2 shift sol 2-3 ctrl sol 2-3 shift sol 5v reference Battery in Buick Cruise control release switch (behind left side of dash) Cruise control system Cruise engaged in Cruise rel. switch in Data class ii Ecm fuse 15a Ect sensor in Engine a/c in-line fuse 10a Engine coolant temperature sensor (top left rear of engine) Fan/alt fuse 10a Fuel pump in-line fuse 15a Fuse block G129 (transaxle stud, rear of starter solenoid) Gauges fuse 10a Hot at all times Hot in accy and run Hot in run, bulb test or start Ignition in Instrument cluster Malfunction indicator lamp Mil indic ctrl Olds Pcm ground Pnk Powertrain control module (under right side of dash) S115 (engine harness, 10 cm from vss breakout) S124 S125 S164 S165 S166 S186 S204 S224 (i/p harn, olds - 4 cm from buick - 24 cm from g206 breakout) S231 S237 (i/p harness, 7 cm from g206 breakout) Sensor ground Serial data Tan Tcc pwm sol Tcc sol Tft sensor Tft sensor in Throttle position sensor (throttle body) Tp sensor in Trans range "a" Trans range "b" Trans range "c" Trans range "d" Transaxle Vehicle speed sensor (lower right rear of engine compt, on transaxle) Vss high Vss low
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Century Special 1996 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Century Special 1996: 33 (not used) 1576(or 253) 20a A c1 A c2 Buick C 1995 vftc C c1 C1 a C2 a Fuse block G309 (body front harness, under left floor trim at driver's seat) Hot at all times L4 vin 4 Lift gate lock release solenoid (center of lift- gate) Liftgate lock release solenoid (wagon) (center of lift- gate) Multi- function alarm in-line fuse (taped in harness, behind i/p fuse block) Olds Park/ neutral position switch (left rear of engine compt., on trans.) Pwr/acc circuit breaker 30a R/cmtp release control Rear compartment lid release solenoid (center rear of rear compt. lid) Rear compartment lid release solenoid (sedan) (center rear of rear compt. lid) Rear com- part- ment lid release relay (left side of i/p) Rear compart- ment lid release switch Remote control door lock receiver (w/ rke only) (left side of rear compt, forward of wheelhouse) Sedan Trans range switch (left of engine on trans.) Used) (not V6 vin m W/ rke W/o rke Wagon
WARNING SYSTEMS Warning System Wiring Diagrams for Buick Century Special 1996 List of elements for Warning System Wiring Diagrams for Buick Century Special 1996: 40 A13 A14 Battery Buick Cig ltr fuse 20a Driver door latch switch Engine controls system Exterior lights system Fasten belts indic Fasten belts warning indicator Fuse block G203 (right kick panel) G206 (center of i/p) G300 (under left floor trim at driver seat) Gages fuse 10a Ground Head Headlamp switch Hot at all times Hot in run, bulb test or start Ignition Ignition key alarm switch (inside steering column assy) Instrument cluster Key-in-ignition in Lft frt door sw Light on in Nca Off Olds Park Passenger door latch switch Pnk Rt frt door sw Seat belt sw in Seat belt switch (seat belt buckle assy) Seat belt/ignition key/lamps and turn signal alarm (convenience center) Turn b/u fuse 15a Turn sig in Turn signal lamp flasher (behind ash tray, center of i/p) Vss in
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Buick Century Special 1996 List of elements for Front Wiper/Washer Wiring Diagram for Buick Century Special 1996: 27 (in washer reservoir) (left side of eng (v6 vin 4) (v6 vin m) C 1995 vftc Cover assembly Fuse block (right side of i/p) G110 (trans stud under manifold) G115 Hot in accy or run Mechanical arm Mist Nca Off On trans stud) Park switch Pnk Pulse Pulse delay Red Solid state timer Washer motor Washer switch Wiper motor module Wiper switch Wiper/ washer switch Wpr fuse 25a Rear Wiper/Washer Wiring Diagram for Buick Century Special 1996 List of elements for Rear Wiper/Washer Wiring Diagram for Buick Century Special 1996: 23 Auto- park module C 1995 vftc Fuse block G109 (right radiator support) G202 (near park brake bracket) G412 (left top of tailgate) Hot at all times Hot in run Hot with light switch in park or head Inst lps fuse 5a Off Panel light Park Pwr acc circuit breaker 30a Rear window wiper/ washer latch switch (bottom left corner of tailgate) Rear wiper module Rear wiper motor Rear wiper/ washer control switch Run Solid state Wash Wdo circuit breaker 30a Wipe
