INTERIOR LIGHTS – Buick Century 2003 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Buick Century 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Century 2003:

• (body harn, below right front seat) s322
• Body control module (bcm) (behind left side of dash, left of steering column)
• Computer data lines system
• Court lmps feed
• Court lmps on
• Dome
• Door open input
• Driver door lock
• Driver dr open
• Front passenger door lock
• G200 (behind right side of dash)
• G201 (below dash, left side of steering column)
• G301 (left front door sill)
• Headlamp switch
• Hot at all times
• I/p compart- ment lamp switch
• I/p fuse block
• Inadv power bus fuse 15a
• Left courtesy lamp
• Left rear door lock
• Off
• Regal, century custom
• Right courtesy lamp
• Right rear door lock
• S214 (i/p harn, right side of steering column)
• S230
• S283
• S303
• S504
• S604
• Serial data
• Theater dim (grd)
• Theater dim 1

Courtesy Lamps Wiring Diagram (2 of 2) for Buick Century 2003

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Century 2003:

• (2002) a
• (2002) c
• (2003) a
• (2003) c
• (quarter courtesy & reading lamp harn, approx 35 cm from 8-pin in-line conn, behind right "c" pillar) s386
• (w/ onstar)
• (w/o onstar)
• A1 c3
• Base
• Body computer module (bcm) (behind left side of dash, left of steering column)
• Body control module (behind left side of dash)
• Diode
• Dome lamp
• Except base
• G402 (right side of rear shelf)
• Inside rear view mirror
• Left roof rail courtesy/ reading lamp
• Left vanity mirror lamp
• Nca
• Rear compartment courtesy lamp
• Rear compartment lid ajar switch
• Rear compartment occupant sensor (at left side of rear compt)
• Right roof rail courtesy/ reading lamp
• Right vanity mirror lamp
• S321 (body harn, under right front door pillar)
• S385
• S392 (quarter courtesy & reading lamp harn, approx 5 cm from 8-pin in-line conn, behind right "c" pillar)
• S400 (body wiring harness, approx 4 cm (1.5 in) from rear compartment courtesy lamp breakout)
• S414
• S433 (occupant sensor pigtail used in place of sensor)
• S434 (occupant sensor pigtail used in place of sensor)
• S905
• W/ entrapment protection
• W/o entrapment protection

Instrument Illumination Wiring Diagram for Buick Century 2003

List of elements for Instrument Illumination Wiring Diagram for Buick Century 2003:

• (body harn, below right front seat) s302
• (cj2) c16
• (cj3)
• (i/p harn, right side of dash)
• 2002 regal /century, 2003 regal only
• Ashtray lamp (century)
• Dome
• Driver door lock switch
• Driver master window switch
• Driver seat heater switch
• Electronic traction control switch (regal)
• Fog lamp switch
• Front passenger door lock switch
• Front passenger window switch
• G200 (behind right side of dash)
• G201 (below dash, left side of steering column)
• G203 (below dash, right side of steering column)
• G301 (left front door sill)
• Grd
• Head
• Headlamp switch
• High
• Hot at all times
• Hvac control module
• I/p fuse block
• Illum
• Inflatable restraint steering wheel module coil
• Instrument cluster
• Low
• Lp park fuse 20a
• Off
• Outside rear view mirror switch
• Panel dimming fuse 7.5a
• Park
• Passenger seat heater switch
• Prndl lamp (regal)
• Radio
• Radio control switches
• Red
• S211
• S230
• S241 (i/p harn, below radio)
• S267
• S283
• S303
• S334
• S504
• S506 (left front door harn, in left front door)
• S604
• S606 (right front door harn, in right front door)
• Strg whl cont fuse 2a
• Tail, lic lamps fuse 15a
• Underhood fuse block
• Vf dim dis sig
• Vf dim sig
• W/ heated seats
• W/o heated seats