GROUND DISTRIBUTION – Buick Century Custom 2003 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Buick Century Custom 2003

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Buick Century Custom 2003:

• (century)
• (cj2)
• (cj3)
• (engine harn, front of engine compt, 4 cm from c105 breakout)
• (forward lamp harn, below left headlamp, 7 cm from left headlamp breakout)
• (front floor console harn, in console 6.5 cm from accessory power outlet breakout)
• (regal)
• A/c clu diode
• A/c compressor clutch
• A18
• Ashtray lamp (century)
• Automatic transmission
• Auxiliary power outlet (century)
• Auxiliary power outlet (regal)
• Battery
• Blower motor control processor
• Blower motor resistor assembly
• C11
• C113
• C206
• Cigar lighter (century)
• Cigar lighter (regal)
• Cj2
• Cj3
• Cool fan 2 relay
• Data link connector (dlc)
• Electronic brake control module
• Eng compt, at base of battery)
• Engine oil level sensor
• Engine oil pressure switch
• F/pump relay
• Fuse block-underhood
• G100
• G101 (left front side of radiator support)
• G111 (right side of engine, on ignition control module bracket)
• G113 (left of starter, on trans- axle stud)
• G113 (left of starter, on transaxle stud)
• G200 (behind right side of dash compt)
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Horns
• Hvac control module
• I/p compartment lamp switch
• Ign main relay
• Ignition control module (icm)
• Ignition lock cylinder control actuator (regal)
• Inflatable restraint sensing & diagnostic module
• Inflatable restraint steering wheel module coil
• Left air temperature actuator
• Left cornering lamp
• Left fog lamp (regal)
• Left headlamp
• Left park/ turn signal lamp
• Left side marker lamp
• Left steering wheel controls
• Mass airflow (maf) sensor
• Nca
• Power drop connector
• Powertrain control module (pcm)
• Red
• Regal
• Right air temperature actuator
• Right cooling fan
• Right cornering lamp
• Right fog lamp (regal)
• Right headlamp
• Right park/ turn signal lamp
• Right side marker lamp
• Right steering wheel controls
• S105
• S106 (eng harn, 7 cm from pcm breakout)
• S124
• S334
• S335
• Windshield washer fluid level switch
• Windshield washer fluid pump

Ground Distribution Wiring Diagram (2 of 2) for Buick Century Custom 2003

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Buick Century Custom 2003:

• (back-up lamp harness, in rear compt lid, 29.5 cm from p915)
• (body harn, under driver's seat, 10 cm from c311 breakout) s303
• (left front door harn, 8 cm from window switch breakout)
• (left tail- lamp harn,
• (right side of rear shelf) g402
• 13 cm from right s383
• 3 cm from p401) s403
• 5 cm from c420 breakout)
• A12
• Audio amplifier (w/ amp)
• Automatic headlamp relay
• Body control module (bcm)
• Brake fluid level switch
• C201
• Center high mounted stop lamps
• Chmsl)
• Cruise control module
• Data link connector (dlc)
• Driver information display switch (regal)
• Driver seat adjuster switch
• Driver seat belt switch
• Driver seat heater control module
• Driver seat heater switch
• Driver window master switch
• Driver's heated seat back element
• Driver's heated seat thermister
• E16
• Exc onstar
• Fixed antenna
• Fog lamp switch (regal)
• Fuel pump
• G201 (below dash, left side of steering column)
• G203 (below dash, right side of steering column)
• G301 (left front door sill)
• G401 (left side of rear shelf)
• G402 (right side of rear shelf)
• Ground (on steering column)
• Headlamp dimmer switch
• Headlamp switch
• Headlamp switch breakout)
• Headliner harn, left side of windshield header, 10.5 cm from left sunshade mirror breakout)
• Ignition key alarm switch
• Inside rearview mirror
• Instrument panel cluster (ipc)
• Left back-up lamp
• Left front door lock
• Left front door lock switch
• Left license lamp
• Left rear door lock (ajar indicator switch)
• Left rear park lamp
• Left rear side marker lamp
• Left roof rail courtesy/ reading lamp
• Left tail/ stop/turn signal lamp
• Left vanity mirror lamp
• Nca
• Onstar
• Outside remote control rearview mirror switch
• Passenger seat adjuster switch
• Passenger seat heater control module
• Passenger seat heater switch
• Passenger's heated seat back element
• Passenger's heated seat thermistor
• Radio
• Radio antenna module
• Rear compartment lid ajar switch
• Rear compartment lid lock release actuator
• Rear compartment lid release switch
• Rear wdo antenna
• Rear window defogger grid
• Remote control door lock receiver
• Right back-up lamp
• Right front door lock (ajar indicator switch)
• Right front door lock switch
• Right front window switch
• Right license lamp
• Right rear door lock (ajar indicator switch)
• Right rear park lamp
• Right rear side marker lamp
• Right roof rail courtesy/ reading lamp
• Right tail/ stop/turn signal lamp
• Right vanity mirror lamp
• S211 (i/p harness, 20 cm from inst cluster breakout)
• S330 (driver's seat adj harn, 20 cm from c311 breakout)
• S333 (pass seat harn, 20 cm from c312 breakout)
• S402 (right taillamp harn, 3 cm from p402)
• S504
• S604 (right front door harn, 8 cm from front pass wdo switch breakout)
• S905
• Sunroof module
• Tan
• Tire reset switch
• Traction control switch (regal)
• Turn signal/ hazard flasher module
• Vehicle communications interface module
• W/ heated seats
• W/o heated seats
• Wind- shield wiper motor