INTERIOR LIGHTS – Cadillac DeVille DTS 2003 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, Except Hearse & Limousine (1 of 2) for Cadillac DeVille DTS 2003

List of elements for Courtesy Lamps Wiring Diagram, Except Hearse & Limousine (1 of 2) for Cadillac DeVille DTS 2003:

• (2002) h
• (2003) k
• A12
• B10
• B11
• B12
• C1 a
• C1 d
• Class 2 serial data line
• Computer data lines system
• Courtesy lamp 2
• Driver door lock actuator
• Driver door module (inside middle of left front door)
• E11
• E12
• Front passenger door lock actuator
• Front passenger door module (inside middle of right front door)
• G200 (under left front door sill trim plate)
• G201 (under right front door sill trim plate)
• Ground
• Headlamp switch
• Hot at all times
• I/p compartment lamp
• I/p compartment lamp switch
• Inadvertent power input
• Instrument panel integration module (ipm) (above radio)
• Int lamps
• Int lp fuse 10a
• Int lp relay
• Interior lamp cntrl
• Interior lamps on input
• J11
• J12
• L11
• L12
• Left front door open input
• Left rear door courtesy lamp
• Left rear door lock actuator
• Left rear door module (inside front of left rear door)
• Left rear door open input
• Rear fuse block (under left rear seat)
• Rear integration module (rim) (behind right rear seat back)
• Right front door open input
• Right rear door courtesy lamp
• Right rear door lock actuator
• Right rear door module (inside front of right rear door)
• Right rear door open input
• S200
• S206
• Serial data class 2
• Sp303 (right rear of passenger compt)
• Splice pack sp200
• Splice pack sp201
• Tan
• To right front door courtesy lamp (diagram 2 of 2)
• To s304 (diagram 2 of 2)
• To sp301 (diagaram 2 of 2)
• To sp301 (diagram 2 of 2)

Courtesy Lamps Wiring Diagram, Except Hearse & Limousine (2 of 2) for Cadillac DeVille DTS 2003

List of elements for Courtesy Lamps Wiring Diagram, Except Hearse & Limousine (2 of 2) for Cadillac DeVille DTS 2003:

• A10
• Courtesy lamp 1
• From left rear door courtesy lamp (diagram 1 of 2)
• From rear fuse block (diagram 1 of 2)
• From sp303 (diagram 1 of 2)
• G101 (on left side of radiator)
• G402 (left rear corner of luggage compt, near left tail lamp connector)
• Left cour- tesy lamp switch
• Left courtesy lamp
• Left front door courtesy lamp
• Left front vanity mirror lamp
• Left rear vanity mirror lamp
• Overhead console
• Overhead courtesy/ reading lamp
• Reading lamp switch
• Rear compartment lamp
• Rear compartment lid release actuator
• Rear integration module (rim) (behind right rear seat back)
• Right courtesy lamp
• Right courtesy lamp switch
• Right front door courtesy lamp
• Right front vanity mirror lamp
• Right rear vanity mirror lamp
• S304
• S305
• S306 (headliner harn, approx 86.5 cm from inside rearview mirror connector)
• S337 (headliner harn, near middle of headliner)
• S402
• Sp301 (left rear of passenger compt)
• Splice pack sp101
• Splice pack sp402
• Underhood lamp

Courtesy Lamps Wiring Diagram, Hearse & Limousine (1 of 2) for Cadillac DeVille DTS 2003

List of elements for Courtesy Lamps Wiring Diagram, Hearse & Limousine (1 of 2) for Cadillac DeVille DTS 2003:

• (not used)
• A12
• B10
• B11
• B12
• C1 a
• C1 d
• C317
• C319
• Class 2 serial data line
• Computer data lines system
• Courtesy lamp 2
• Driver door lock actuator
• Driver door module (middle of left front door, behind door trim panel)
• E11
• E12
• Front passenger door lock actuator
• G200 (under left front door sill trim plate)
• G201 (under right front door sill trim plate)
• Ground
• Headlamp switch
• Hot at all times
• I/p compartment lamp
• I/p compartment lamp switch
• Inadvertent power input
• Instrument panel integration module (ipm) (above radio)
• Int lamps
• Int lp fuse 10a
• Int lp relay
• Interior lamp cntrl
• Interior lamps on input
• Left front door open input
• Left rear door courtesy lamp
• Left rear door lock actuator
• Left rear door module (in front of left rear door, near radio speaker) (limousine only)
• Left rear door open input
• Passenger door module (middle of right front door, behind door trim panel)
• Rear fuse block (under left rear seat)
• Rear integration module (rim) (behind right rear seat back)
• Right front door open input
• Right rear door courtesy lamp
• Right rear door lock actuator
• Right rear door module (in front of right rear door, near radio speaker) (limousine only)
• Right rear door open input
• S200
• S206
• Serial data class 2
• Sp303 (near center of right front door sill)
• Tan
• To left courtesy lamp switch (diagram 2 of 2)
• To left front door courtesy light diagram 2 of 2
• To right front courtesy lamp (diagram 2 of 2)
• To sp301 (diagaram 2 of 2)
• To sp301 diagram 2 of 2

Courtesy Lamps Wiring Diagram, Hearse & Limousine (2 of 2) for Cadillac DeVille DTS 2003

List of elements for Courtesy Lamps Wiring Diagram, Hearse & Limousine (2 of 2) for Cadillac DeVille DTS 2003:

• (body harn, approx 40 cm from battery voltage sensor connector) s323
• (hearse only)
• (limousine only)
• (not used)
• A10
• B c329
• B10
• C1 b
• C1 b3
• C1 d
• C329 a
• Computer data lines system
• Courtesy lamp 1
• Door open input
• From c317 (diagram 1 of 2)
• From c329 (diagram 2 of 2)
• From left rear courtesy light (diagram 1 of 2)
• From rear fuse block (diagram 1 of 2)
• From right front courtesy lamp (diagram 2 of 2)
• From sp303 (diagram 1 of 2)
• G101 (on left side of radiator support)
• G201 (under right front door sill trim plate)
• G302 (under right front seat, near inflatable restraint sensing diagnostic module)
• G402 (left rear corner of luggage compt)
• Ground
• Left cour- tesy lamp switch
• Left courtesy lamp
• Left front door courtesy lamp
• Left front vanity mirror lamp
• Left middle door lock actuator
• Left middle door module (in left middle door, behind door trim panel)
• Left middle door open input
• Left rear door lock actuator
• Left rear vanity mirror lamp
• Overhead console
• Overhead courtesy/ reading lamp
• Reading lamp switch
• Rear compart- ment lamp
• Rear compart- ment lid release actuator
• Rear door release actuator
• Rear integration module (rim) (behind right rear seat back)
• Rear integration module (rim) (behind right side of rear seat back)
• Right courtesy lamp
• Right courtesy lamp switch
• Right front door courtesy lamp
• Right front vanity mirror lamp
• Right middle door lock actuator
• Right middle door module (in front of right middle door, near radio speaker)
• Right middle door open input
• Right rear door lock actuator
• Right rear vanity mirror lamp
• S305
• S306 (headliner harn, approx 86.5 cm from inside rearview mirror connector)
• S337 (headliner harn, near middle of headliner)
• S402
• Serial data class 2
• Sp301 (left rear of passenger compt, approx 31.5 cm from cross car channel)
• Splice pack sp101
• Splice pack sp201
• Splice pack sp302
• Splice pack sp402
• Underhood lamp

Instrument Illumination Wiring Diagram (1 of 3) for Cadillac DeVille DTS 2003

List of elements for Instrument Illumination Wiring Diagram (1 of 3) for Cadillac DeVille DTS 2003:

• (except dts)
• (i/p harn, approx 65.5 cm from radio connector) s201
• (in steering wheel, behind inflatable restraint steering wheel module)
• 5v ref
• Ashtray lamp
• Auxiliary hvac control module
• C1 a1
• C1 b4
• C2 a1
• C2 a3
• C2 b3
• C207
• C209
• C210
• C3 b8
• Control power
• Dash integration module (dim) (on right side of dash, near blower motor)
• Dimmer fuse 2a
• Dimming ground
• Dimming input
• Dimr fuse 14 10a
• G200 (under left front door sill trim plate)
• G201 (under right front door sill trim plate)
• G302 (under right front seat)
• Hazard switch
• Head
• Head up display (hud) control
• Headlamp switch
• Headlights system
• Horn systems
• Hot at all times
• I/p dimmer switch
• I/p dimmer switch input
• Incadescent dimming output
• Inflatable restraint steering wheel coil module
• Instrument panel integration module (ipm) (above radio)
• Left driver information center (dic) switch
• Left steering wheel controls
• Nca
• Nca f
• Nca h
• Off
• Park
• Park lamp input
• Park lamp relay control
• Park lamp switch input
• Prk lp relay
• Radio
• Rear fuse block (under left rear seat)
• Right driver information center (dic) switch
• Right steering wheel controls
• S200
• S205 (i/p harn, approx 8 cm from inst cluster breakout)
• S206
• S219 (in steering column harness)
• S223
• S224
• S225
• S226
• S229
• S230
• Sensor return
• Sp302 (left rear of passenger compt, approx 24 cm from cross car channel)
• Splice pack sp200
• Splice pack sp201
• Splice pack sp302
• Steering column fuse holder
• To s302 (diagram 3 of 3)

Instrument Illumination Wiring Diagram (2 of 3) for Cadillac DeVille DTS 2003

List of elements for Instrument Illumination Wiring Diagram (2 of 3) for Cadillac DeVille DTS 2003:

• (left front door trim harn, near door trim panel)
• (left rear door trim harn, inside left rear door)
• (right front door trim harn, near door trim panel)
• (right rear door trim harn, inside right rear door)
• A11
• A12
• B10
• B11
• C1 b6
• C1 b8
• C2 a12
• C2 b8
• C2 g
• C3 b3
• Class 2 serial data line
• Computer data lines system
• Dash integration module (dim) (on right side of dash, near blower motor)
• Driver door lock switch
• Driver door switch assembly
• Driver heated seat switch
• Front passenger door lock switch
• Front passenger heated seat switch
• Front passenger power window switch
• G302 (under right front seat)
• Ground
• Incandescent dimming output
• Instrument panel cluster
• Instrument panel integration module (ipm) (above radio)
• Left front door module (middle of left front door, behind trim panel)
• Left rear door lock switch
• Left rear door module (lrdm) (in front of left rear door, near radio speaker)
• Left rear heated seat switch
• Left rear power window switch
• Left rear seat lumbar switch
• Memory/ personalizaton function switch
• Radio
• Red
• Right front door module (in right front door, behind door trim panel)
• Right rear door lock switch
• Right rear door module (rrdm) (in front of right rear door, near radio speaker)
• Right rear heated seat switch
• Right rear power window switch
• Right rear seat lumbar switch
• S501 (left front door trim harn, near door trim panel)
• S502
• S600 (right front door trim harn, near door trim panel)
• S601
• S700
• S702
• S703 (left rear door trim harn, inside left rear door)
• S704
• S800
• S801
• S802 (right rear door trim harn, inside right rear door)
• S803
• Splice pack sp302

Instrument Illumination Wiring Diagram (3 of 3) for Cadillac DeVille DTS 2003

List of elements for Instrument Illumination Wiring Diagram (3 of 3) for Cadillac DeVille DTS 2003:

• (dts only)
• Auxiliary hvac control module
• C2 g
• C3 b3
• Class 2 serial data line
• Computer data lines system
• From s201 (diagram 1 of 3)
• G201 (under right front door sill trim plate)
• G302 (under right front seat)
• Ground
• Incandescent dimming output
• Left middle door lock switch
• Left middle door module (inside left middle door)
• Left middle power window switch
• Limousine only
• Nca
• Right middle door lock switch
• Right middle door module (inside right middle door)
• Right middle power window switch
• S206
• S207
• S300 (in console harn, approx 68.5 cm from rear heater & a/c control module connector)
• S302 (in console harn, approx 57 cm from rear blower motor)
• S702 (left rear door trim harn, inside left rear door)
• S801 (right rear door trim harn, inside right rear door)
• Shift control assembly
• Splice pack sp201
• Splice pack sp302
• Traction control switch