INTERIOR LIGHTS – Buick Regal GS 2004 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal GS 2004

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal GS 2004:

• Accy pwr bus fuse 15a
• B5 driver door unlatch sig c2
• Battery
• Body control module (bcm) (behind left side of dash, left of steering column)
• C4 b4
• Court lmps feed
• Court lmps on
• Ctsy lmp low ctrl
• Dimmer switch
• Dome
• Door ajar sw sig
• Driver door lock
• Front passenger door lock
• G200 (behind right side of dash compartment)
• G201 (below dash, left side of steering column)
• G301 (inside left door sill, forward of left front seat)
• Headlamp switch
• Hot at all times
• I/p compartment lamp/switch (in glove compartment box)
• I/p fuse block (behind right side of dash, in right door opening)
• Left i/p courtesy lamp
• Left rear door lock
• Off
• Radio, 22 cm from radio breakout) a
• Remote control door lock receiver (rcdlr) (behind instrument cluster)
• Right i/p courtesy lamp
• Right rear door lock
• S214
• S230
• S283
• S303
• S322
• S504
• S604
• Serial data
• Trunk ajar sw sig

Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal GS 2004

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal GS 2004:

• (headliner wiring harness, 6.5 cm from right sunshade mirror breakout) s386
• (inside rear compartment, below right side of rear window trim panel) g402
• (not used)
• (w/ onstar)
• (w/o onstar)
• Dome lamp (w/o sunroof & reading lamps)
• G402 (inside rear compartment, below right side of rear window trim panel)
• Inside rearview mirror
• Left roof rail courtesy/ reading lamp
• Left vanity mirror lamp
• Nca
• Rear compartment courtesy lamp
• Rear compartment lid ajar switch (on rear compartment lid lock assembly)
• Right roof rail courtesy/ reading lamp
• Right vanity mirror lamp
• S321
• S382 (headliner wiring harness, left side of windshield header, 4 cm from left sunshade mirror breakout)
• S383
• S385
• S392 (headliner wiring harness, 6.5 cm from dome light breakout)
• S400 (body wiring harness, 4 cm from rear compartment courtesy lamp breakout)
• S414
• S905
• W/ sunshade, reading lamps
• W/o sunshade, reading lamps

Instrument Illumination Wiring Diagram for Buick Regal GS 2004

List of elements for Instrument Illumination Wiring Diagram for Buick Regal GS 2004:

• (5 bulbs)
• (automatic a/c)
• (i/p wiring harness, lower dash, below radio, 15 cm from radio breakout)
• (manual a/c)
• (not used)
• B12
• C16
• C203
• C205
• Dome
• Driver door lock switch
• Driver heated seat switch
• Driver master window switch
• Early production
• Exterior lights system
• Fog lamp switch (regal)
• Front passenger door lock switch
• Front passenger window switch
• G200 (behind right side of dash compartment)
• G200 breakout)
• G201 (below dash, left side of steering column)
• G203 (below dash, right side of steering column)
• G301 (inside left door sill, forward of left front seat)
• G301 (left front door sill)
• Harness, 4 cm from sdm breakout, toward c312) s302
• Head
• Headlamp switch
• High
• Hot at all times
• Hvac control module (lower center of dash)
• I/p fuse block (behind right side of dash, in right door opening)
• Illum
• Inflatable restraint steering wheel module coil (behind steering wheel, in column)
• Instrument panel cluster (ipc)
• Int/ illum fuse 7.5a
• Left steering wheel controls (w/ accessory steering wheel controls)
• Logic
• Low
• Lp park fuse 20a
• Off
• Outside rear view mirror switch
• Park
• Passenger heated seat switch
• Power distribution system
• R/lamps fuse 15a
• Radio
• Red
• Right steering wheel controls (w/ accessory steering wheel controls)
• S211
• S230
• S241
• S283
• S303
• S504
• S506 (left front door wiring harness, 4 cm from driver door lock switch breakout)
• S604
• S606 (left front door wiring harness, 4 cm from driver door lock switch breakout)
• Str/ whl cntrl fuse 2a
• Traction control switch (regal)
• Underhood fuse block (mounted to right front strut tower)
• Vf dim dis sig
• Vf dim sig
• Vf sply volt-1
• W/ heated seats
• W/o heated seats