INTERIOR LIGHTS – Buick LeSabre Custom 2003 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

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

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

• A12
• B12
• C1 a4
• Class 2 serial data line
• Computer data lines system
• D12
• Driver door courtesy lamp
• Driver door module (upper right corner of door, behind trim panel)
• E11
• E12
• G401 (lower right corner of trunk, forward of tail lamp)
• Ground
• Hot at all times
• Instrument panel integration module (ipm) (behind left side of dash)
• Int lp fuse 10a
• Int lp relay
• Interior lamp relay control
• Left foot well courtesy lamp
• Left front door lock actuator
• Left front door open input
• Left rear door courtesy lamp
• Left rear door lock actuator
• Left rear door module (lrdm) (in left rear door)
• Left rear door open input
• Rear compartment courtesy lamp
• Rear compartment lid release actuator
• Rear fuse block (under left rear seat)
• Rear integration module (rim) (behind upper left rear seat cushion)
• Red/
• Right front door lock actuator
• Right front door module (rfdm) (in right front door, near door latch)
• Right front door open input
• Right rear door lock actuator
• Right rear door module (rrdm) (in right rear door)
• Right rear door open input
• S302
• Simple bus interface (sbi)
• Sp306 (in body harn splicesaver, 8 cm from rear fuse block breakout)
• Tan
• Tan/
• To s332 (diagram 2 of 2)
• To s333 (diagaram 2 of 2)
• To sp310 (diagaram 2 of 2)
• To sp310 (diagram 2 of 2)
• Trunk lid open input

Courtesy Lamps Wiring Diagram (2 of 2) for Buick LeSabre Custom 2003

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

• (in headliner, approx 35.5 cm from overhead console connector breakout) s333
• (in headliner, approx 42 cm from overhead console connector breakout) s332
• (w/ vanity mirror)
• (w/o vanity mirror)
• A10
• B10
• Courtesy lamp ground
• From rear fuse block (diagram 1 of 2)
• From sp306 (diagram 1 of 2)
• Front passenger door courtesy lamp
• Front passenger foot well courtesy lamp
• G201 (lower right corner of passenger compt on right front door pillar)
• G402 (on lower left corner of trunk, forward of tail lamp)
• I/p compartment switch/ lamp
• Inadvertent power input
• Left front reading courtesy lamp
• Left rear reading courtesy lamp
• Left vanity mirror
• Overhead console
• Rear integration module (rim) (behind upper left rear seat cushion)
• Right front reading courtesy lamp
• Right rear door courtesy lamp
• Right rear reading courtesy lamp
• Right vanity mirror
• S203
• S329
• Sp310 (in body harn splicesaver, 18 cm from rear fuse block breakout)

Instrument Illumination Wiring Diagram (1 of 2) for Buick LeSabre Custom 2003

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Buick LeSabre Custom 2003:

• (auto hvac) a5
• (auto hvac) b1
• (in steering column harness) s227
• (instrument panel harness) s207
• (manual hvac) b15
• (manual hvac) b16
• C1 a4
• C1 d4
• C3 b8
• Control power
• Dash integration module (dim) (behind right side of dash, under sound insulator)
• Dimr fuse 14 10a
• Drivers information center (dic) switch
• Front cigar lighter
• G200 (lower front corner of passenger compt on left front door pillar)
• G201 (lower right corner of passenger compt on right front door pillar)
• Head- lamp switch
• Heads up display (hud) switch
• Heater & a/c control assembly
• Hot at all times
• Incandescent dimming output
• Inflatable restraint steering wheel module coil
• Instrument cluster
• Left steering wheel controls
• Nca
• Nca f
• Nca h
• Park lamp input
• Park lamp relay control
• Prk lp relay
• Radio
• Rear fuse block (under left side of rear seat)
• Right steering wheel controls
• S208
• S225
• S228 (in steering column harness)
• Sp301 (in body harness splicesaver, left side)
• Steering column fuse holder
• Switch fuse 2a

Instrument Illumination Wiring Diagram (2 of 2) for Buick LeSabre Custom 2003

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Buick LeSabre Custom 2003:

• (auto hvac) (manual hvac)
• (left front door trim harn, between door & door trim panel)
• (right front door trim harn, between door & door trim panel)
• 5v ref
• A11
• A12
• Air temperature switch assembly
• B11 a2
• B12 a6
• B8 a4
• C1 a4
• C1 a5
• C2 a12
• C2 b12
• C2 b2
• C6 b6
• Class 2 serial data line
• Climate control panel (manual a/c) instrument panel integration module (ipm) (auto a/c) (behind left side of dash)
• Computer data lines system
• D8 a3
• Dash integration module (dim) (behind right side of dash, under sound insulator)
• Driver door lock switch
• Driver heated seat switch (if equipped)
• Driver window switch
• Drivers door module (upper right corner of door, behind trim panel)
• Front passenger power door lock switch
• Front passenger power window switch
• G200 (lower front corner of passenger compt on left front door pillar)
• Ground
• Headlamp switch
• I/p dimmer switch
• I/p dimmer switch input
• Incadescent dimming output
• Instrument cluster (ipc)
• Interior lamp switch
• Interior lamp switch input
• Memory function switch (if equipped)
• Off
• Radio
• Rear integration module (rim) (behind upper left rear seat cushion)
• Right front door module (rfdm) (in right front door, near door latch)
• Right front heated seat switch (if equipped)
• S204 (i/p harn, left side of dash)
• S208
• S302
• S500 (left front door trim harn, between door & door trim panel)
• S501
• S603
• S604 (right front door trim harn, between door & door trim panel)
• Sensor return
• Simple bus interface (sbi)
• Twilight delay switch