POWER DISTRIBUTION – Buick Century Custom 2005 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Buick Century Custom 2005

List of elements for Power Distribution Wiring Diagram (1 of 3) for Buick Century Custom 2005:

• (i/p wiring harness, right side of steering column, 19 cm from radio breakout) s202
• (not used)
• 60a
• A/c clutch fuse 23 10a
• A/c clutch relay 15
• Abs fuse 1
• Accy pwr bus fuse 15a
• Automatic a/c
• Automatic headlamp relay
• Back-up lamp relay
• Batt 1 fuse 7 60a
• Batt 2 fuse 4 60a
• Batt 3 fuse 3 60a
• Battery
• Bcm pwr fuse 10a
• Blower motor control processor
• Blower motor resistor assembly
• Body control module (bcm)
• C2 l c12
• Cigar lighter
• Cool fan 1 fuse 6 25a
• Cool fan 1 relay 12
• Cool fan 2 fuse 24 15a
• Cool fan 2 relay 9
• Cool fan 3 relay 10
• Crank fuse 2 40a
• Crank relay 11
• Data link connector (dlc)
• Door locks fuse 20a
• Driver seat adjuster switch (if equipped)
• E10
• Ecm fuse 22 10a
• Electronic brake control module (ebcm)
• F/pmp fuse 35 15a
• F/pmp relay 19
• From batt 2 fuse 4 (diagram 1 of 3)
• From f/pmp a fuse 35 (diagram 1 of 3)
• Fusible link (10 ga- rust)
• G200 (behind right side of dash compt)
• Gen fuse 21 10a
• Generator
• Hazard fuse 15a
• Hdlp l fuse 36 15a
• Hdlp r fuse 32 15a
• Headlamp switch
• High blower fuse 30a
• Horn fuse 27 15a
• Horn relay 16
• Hvac control module
• I/p fuse block (behind right side of dash, in right door opening)
• Instrument panel cluster (ipc)
• Left headlamp assembly
• Left high beam headlamp
• Left low beam headlamp
• Lp park fuse 34 20a
• Ltr fuse 20a
• M10
• Manual a/c
• Nca
• Outside rearview mirror switch
• Park lamp relay
• Performance enhanced audio, dual front door mtd 4 speaker system, w/ accessory cont electronic system
• Power mirrors fuse 2a
• Power seat circuit breaker 30a
• Powertrain control module (pcm)
• R/cmpt rel fuse 33 7.5a
• R10
• R11
• Radio
• Radio prem sound fuse 15a
• Radio, hvac rfa, cluster aldl fuse 15a
• Rear compartment lid release relay
• Rear defog circuit breaker 30a
• Rear window defogger relay
• Red
• Red a
• Remote control door lock receiver (rcdlr)
• Right headlamp assembly
• Right high beam headlamp
• Right low beam headlamp
• S230
• S269 (i/p wiring harness, near blower motor, 13 cm from door lock relay breakout)
• S275
• Starter
• Stop lamps fuse 15a
• Stoplamp switch
• T10
• To hdlp l fuse 36 (diagram 1 of 3)
• To high blower fuse (diagram 1 of 3)
• To ign 2 fuse 8 (diagram 2 of 3)
• To onstar fuse, diagram (2 of 3)
• To retained accessory power (rap) relay (diagram 2 of 3)
• Turn signal/ hazard flasher module
• Underhood fuse block (mounted to right front strut tower)
• W/ rap

Power Distribution Wiring Diagram (2 of 3) for Buick Century Custom 2005

List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Century Custom 2005:

• (i/p wiring harness, behind center of dash, 4 cm from radio breakout) s233
• (i/p wiring harness, near blower motor, 4 cm from door lock relay breakout)
• (i/p wiring harness, right side of steering column near, c201, 1 cm from sp205 breakout) s240
• (i/p wiring harness, right side of steering column, 13 cm from instrument cluster breakout) s234
• (not used)
• A10
• Acc
• Automatic a/c
• B10
• Bcm acc fuse 10a
• Body control module (bcm)
• C5 c
• Crank signal, bcm, cluster fuse 10a
• Cruise control module (w/ electronic automatic)
• Cruise control release switch
• Cruise fuse 10a
• Driver window master switch
• From accy power bus fuse (diagram 1 of 3)
• From batt 3 fuse (diagram 1 of 3)
• From gen d fuse 21 (diagram 1 of 3)
• From ignition switch (diagram 2 of 3)
• Heater- a/c control (manual a/c)
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in right door opening)
• Ign 0, cluster, pcm & bcm fuse 10a
• Ign1 fuse 5 30a
• Ign2 fuse 8 60a
• Ignition switch
• Instrument panel cluster (ipc)
• Left air temperature actuator
• Lock
• Low blower fuse 20a
• Manual a/c
• Off
• Onstar fuse 5a
• Pnk
• Powertrain control module (pcm)
• Pwr windows pwr sunroof circuit breaker 30a
• Rear window defogger relay
• Red
• Retained accessory power (rap) relay (behind glove box, mounted to underside of cross-car beam)
• Right air temperature actuator
• Run
• S263
• S270 (i/p wiring harness, behind right side of dash, 4 cm from blower motor control module)
• Start
• To crank signal bcm, cluster fuse (diagram 2 of 3)
• To ign main relay 13 (diagram 3 of 3)
• To low blower fuse (diagram 2 of 3)
• To s228 (diagram 3 of 3)
• Turn signal/ multi- function switch
• Underhood fuse block (mounted to right front strut tower)
• Vacuum control assembly (automatic a/c)
• Vehicle communications interface module (vcim)
• W/ rap
• W/o rap
• Windshield wiper motor
• Wiper fuse 25a

Power Distribution Wiring Diagram (3 of 3) for Buick Century Custom 2005

List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Century Custom 2005:

• (fuel injector wiring pnk
• (i/p wiring harness, right side of dash, 24 cm from g200 breakout) s228
• (inside transaxle housing,19 cm from c113) s115
• 1-2 shift solenoid (1-2 ss) valve
• 2-3 shift solenoid (2-3 ss) valve
• A/c clutch relay 15
• A11
• Abs fuse 10a
• Air bag fuse 10a
• Automatic transmission
• B12
• Body control module (bcm)
• Brake- to-shift relay
• Btsi fuse 10a
• C113
• Cluster fuse 10a
• Crank relay
• Electronic brake control module (ebcm)
• Elek ign fuse 25 15a
• Eng emis fuse 30 10a
• Evaporative emissions (evap) canister purge solenoid valve
• Evaporative emissions (evap) canister vent solenoid valve
• F/injr fuse 28 15a
• From ign 1 fuse 5 e (diagram 2 of 3)
• From ignition switch (diagram 2 of 3)
• Fuel injector
• G113 (lower right front of engine, on transaxle stud, left of starter)
• Harness, top of engine, 2 cm from fuel injector 2 breakout) s109
• Heated oxygen sensor (ho2s) 1
• Heated oxygen sensor (ho2s) 2
• I/p fuse block (behind right side of dash, in right door opening)
• Ign main relay 13
• Ignition control module (icm)
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel cluster (ipc)
• K10
• Mass air flow (maf) sensor
• Nca
• Oxy sen fuse 29 15a
• Pcm,bcm u/h fuse 10a
• Pnk
• Powertrain control module (pcm)
• Red
• S106
• Stoplamp switch
• Torque converter clutch solenoid valve
• Trans fuse 26 10a
• Turn signal fuse 10a
• Turn signal/ hazard flasher module
• Underhood fuse block (mounted to right front strut tower)