EXTERIOR LIGHTS – Cadillac CTS 2014 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram, Coupe for Cadillac CTS 2014

List of elements for Backup Lamps Wiring Diagram, Coupe for Cadillac CTS 2014:

• (a/t) automatic transmission assembly
• (rear of right cylinder bank) g132
• (wagon: center of liftgate) (coupe/sedan cts-v: center rear of luggage compt lid) (if equipped) rearview camera
• 3.0l & 3.6l
• 6.2l
• Assembly) (6.2l: right rear of engine compt)
• B+ volt
• Backup lamp sply volt x6
• Backup lamp sw sig
• Backup lamp switch (m/t) (right side of transmission)
• Backup lamps sply volt
• Bcm 4 fuse 10a
• Body control module (bcm) (left end of dash)
• Computer data lines system
• Control solenoid valve assembly
• Data bus (+)
• Data bus (-)
• Engine control module (ecm) (3.0l & 3.6l: below left headlamp
• G401 (coupe: behind right side of rear seat) (sedan cts-v: under left side of luggage compt floor)
• G402 (behind left side of rear seat)
• Gnd
• Hot at all times
• Ign lk cyl ctrl actr sig
• Inside rearview mirror (isrvm)
• J379 (body harness, near branch for g102)
• Left backup lamp
• Left tail lamp assembly
• Logic
• Nca
• Red
• Right backup lamp
• Right tail lamp assembly
• Serial data +
• Serial data -
• Serial data bus +
• Serial data bus -
• Sig a
• Sig b
• Sig c
• Sig p
• Sply volt
• Tan
• Trans park/ ntrl sig
• Transmission control module
• Transmission internal mode switch
• Underhood fuse block (right front of engine compt)
• X225
• X408
• X900
• X903

Backup Lamps Wiring Diagram, Sedan CTS-V for Cadillac CTS 2014

List of elements for Backup Lamps Wiring Diagram, Sedan CTS-V for Cadillac CTS 2014:

• (a/t) automatic transmission assembly
• (rear of right cylinder bank) g132
• (wagon: center of liftgate) (coupe/sedan cts-v: center rear of luggage compt lid) (if equipped) rearview camera
• 3.0l & 3.6l
• 6.2l
• Assembly) (6.2l: right rear of engine compt)
• B+ volt
• Backup lamp sply volt x6
• Backup lamp sw sig
• Backup lamp switch (m/t) (right side of transmission)
• Backup lamps sply volt
• Bcm 4 fuse 10a
• Body control module (bcm) (left end of dash)
• Computer data lines system
• Control solenoid valve assembly
• Data bus (+)
• Data bus (-)
• Engine control module (ecm) (3.0l & 3.6l: below left headlamp
• G401 (coupe: behind right side of rear seat) (sedan cts-v: under left side of luggage compt floor)
• G402 (behind left side of rear seat)
• Gnd
• Hot at all times
• Ign lk cyl ctrl actr sig
• Inside rearview mirror (isrvm)
• J379 (body harness, near branch for g102)
• Left backup lamp
• Left tail lamp assembly
• Logic
• Nca
• Red
• Right backup lamp
• Right tail lamp assembly
• Serial data +
• Serial data -
• Serial data bus +
• Serial data bus -
• Sig a
• Sig b
• Sig c
• Sig p
• Sply volt
• Tan
• Trans park/ ntrl sig
• Transmission control module
• Transmission internal mode switch
• Underhood fuse block (right front of engine compt)
• X225
• X408
• X900
• X903

Backup Lamps Wiring Diagram, Sedan Except CTS-V for Cadillac CTS 2014

List of elements for Backup Lamps Wiring Diagram, Sedan Except CTS-V for Cadillac CTS 2014:

• (body harness, 5.5 cm rear of branch to "c" pillar) j330
• 11b
• Automatic transmission assembly (6 speed transmission)
• Batt pos volt
• Bcm 1 fuse 10a
• Bcm 6 fuse 10a
• Bkup lp sply volt
• Body control module (left end of dash)
• Computer data lines system
• Control solenoid valve assembly
• G100 (3.6l: right front of engine) (3.6l turbo: rear of left cylinder bank)
• G201 (left kick panel)
• G401 (under left side of luggage compt floor)
• Gnd
• Headlights system
• Hi spd gmlan ser data (+)
• Hi spd gmlan ser data (-)
• Hot at all times
• Inside rearview mirror
• Instrument panel fuse block (left end of dash)
• J415
• Left backup lamp
• Logic
• Park/neutral position switch (right side of transmission)
• Rear window sunshade module (if equipped) (under center of package tray)
• Rearview camera (if equipped) (center rear of luggage compt lid)
• Red
• Rev sw sig
• Right backup lamp
• Serial data (+)
• Serial data (-)
• Sig a
• Sig b
• Sig c
• Sig p
• Transmission control module
• Transmission control module (8 speed transmission) (lower right front of engine compt)
• Transmission internal mode switch
• Underhood fuse block (right front of engine compt)
• W/ active safety
• W/o active safety
• X337
• X415
• X416
• X422
• X915

Backup Lamps Wiring Diagram, Wagon for Cadillac CTS 2014

List of elements for Backup Lamps Wiring Diagram, Wagon for Cadillac CTS 2014:

• (a/t) automatic transmission assembly
• (rear of right cylinder bank) g132
• (wagon: center of liftgate) (coupe/sedan cts-v: center rear of luggage compt lid) (if equipped) rearview camera
• 3.0l & 3.6l
• 6.2l
• Assembly) (6.2l: right rear of engine compt)
• B+ volt
• Backup lamp sply volt x6
• Backup lamp sw sig
• Backup lamp switch (m/t) (right side of transmission)
• Backup lamps sply volt
• Bcm 4 fuse 10a
• Body control module (bcm) (left end of dash)
• Computer data lines system
• Control solenoid valve assembly
• Data bus (+)
• Data bus (-)
• Engine control module (ecm) (3.0l & 3.6l: below left headlamp
• G401 (coupe: behind right side of rear seat) (sedan cts-v: under left side of luggage compt floor)
• G402 (behind left side of rear seat)
• Gnd
• Hot at all times
• Ign lk cyl ctrl actr sig
• Inside rearview mirror (isrvm)
• J379 (body harness, near branch for g102)
• Left backup lamp
• Left tail lamp assembly
• Logic
• Nca
• Red
• Right backup lamp
• Right tail lamp assembly
• Serial data +
• Serial data -
• Serial data bus +
• Serial data bus -
• Sig a
• Sig b
• Sig c
• Sig p
• Sply volt
• Tan
• Trans park/ ntrl sig
• Transmission control module
• Transmission internal mode switch
• Underhood fuse block (right front of engine compt)
• X225
• X408
• X900
• X903

Exterior Lamps Wiring Diagram, Coupe (1 of 2) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Coupe (1 of 2) for Cadillac CTS 2014:

• (3.0l & 3.6l: below left headlamp assembly) (6.2l: right rear of engine compt) engine control module (ecm)
• (not used)
• 3.0l & 3.6l
• 5 volt ref 1
• 6.2l
• A/t
• Auto
• Backup lamps circuit
• Bcm 4 fuse 10a
• Bcm 5 fuse 10a
• Bcm 6 fuse 10a
• Body control module (bcm) (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Computer data lines system
• Data +
• Detection sig
• Disply fuse 10a
• G101 (on left radiator support)
• G102 (right front of engine compt)
• G104 (right front of engine compt)
• G401 (coupe: behind right side of rear seat) (sedan: under left side of luggage compt floor)
• G402 (behind left side of rear seat)
• Gnd
• Hazard sw sig
• Hazard switch
• Head
• Hot at all times
• Instrument panel cluster (ipc)
• J180
• J186
• J201
• J205
• J240
• K104
• Left
• Left backup lamp
• Left front turn signal lamp
• Left tail lamp assembly
• Left tail/stop & turn signal lamp
• Left turn ind
• Lf turn sw sig
• Logic
• Low ref
• Off
• Park
• Park lamp on sig
• Power distribution system
• Radio/hvac controls
• Rf turn sw sig
• Right
• Right front turn signal lamp
• Right turn ind
• Sens rtn
• Sens sig x1
• Sens sply
• Serial
• Serial data
• Serial data - x1
• Sply volt
• Sply volt x1
• Stop lamp sw sig
• Stp lp
• Stp lp sply volt
• Tan
• Turn signal/ multi-function switch
• Underhood fuse block (right front of engine compt)
• X114
• X115
• X200
• X202
• X235

Exterior Lamps Wiring Diagram, Coupe (2 of 2) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Coupe (2 of 2) for Cadillac CTS 2014:

• (coupe: behind right of rear seat) (sedan: under left side of luggage compt floor)
• (forward lamp harness, near horn connector)
• (forward lamp harness, near right cooling fan connector)
• (license plate lamp harness, 20 cm from right license lamp connector) j420
• Backup lamps circuit
• Center high mounted stop lamp (chmsl)
• Coupe
• Coupe/sedan
• Coupe/sedan cts-v
• Cts-v
• G101 (on left radiator support)
• G104 (right front of engine compt)
• G401
• G401 (coupe: behind right of rear seat) (sedan: under left side of luggage compt floor)
• G408 (top of right "d" pillar)
• G408 (top of right 'd' pillar)
• G904 (top of liftgate)
• Hot at all times
• J116
• J180
• J186
• J430
• J903
• J904
• Left front park lamp
• Left front side marker lamp
• Left license lamp
• Left park lamp relay
• Logic
• Lt/pos/lp fuse 10a
• Radio antenna inductor (wagon)
• Rear body fuse block (left side of luggage compt)
• Right backup lamp
• Right front park lamp
• Right front side marker lamp
• Right license lamp
• Right tail lamp assembly
• Right tail/stop & turn signal lamp
• Rt/pos/lp fuse 10a
• Sedan cts-v/
• W/ hid
• W/ variable real time damping
• W/o hid
• W/o variable real time damping
• Wagon
• X114
• X115
• X165
• X205
• X225
• X260
• X900
• X903

Exterior Lamps Wiring Diagram, Sedan CTS-V (1 of 2) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Sedan CTS-V (1 of 2) for Cadillac CTS 2014:

• (3.0l & 3.6l: below left headlamp assembly) (6.2l: right rear of engine compt) engine control module (ecm)
• (not used)
• 3.0l & 3.6l
• 5 volt ref 1
• 6.2l
• A/t
• Auto
• Backup lamps circuit
• Bcm 4 fuse 10a
• Bcm 5 fuse 10a
• Bcm 6 fuse 10a
• Body control module (bcm) (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Computer data lines system
• Data +
• Detection sig
• Disply fuse 10a
• G101 (on left radiator support)
• G102 (right front of engine compt)
• G104 (right front of engine compt)
• G401 (coupe: behind right side of rear seat) (sedan: under left side of luggage compt floor)
• G402 (behind left side of rear seat)
• Gnd
• Hazard sw sig
• Hazard switch
• Head
• Hot at all times
• Instrument panel cluster (ipc)
• J180
• J186
• J201
• J205
• J240
• K104
• Left
• Left backup lamp
• Left front turn signal lamp
• Left tail lamp assembly
• Left tail/stop & turn signal lamp
• Left turn ind
• Lf turn sw sig
• Logic
• Low ref
• Off
• Park
• Park lamp on sig
• Power distribution system
• Radio/hvac controls
• Rf turn sw sig
• Right
• Right front turn signal lamp
• Right turn ind
• Sens rtn
• Sens sig x1
• Sens sply
• Serial
• Serial data
• Serial data - x1
• Sply volt
• Sply volt x1
• Stop lamp sw sig
• Stp lp
• Stp lp sply volt
• Tan
• Turn signal/ multi-function switch
• Underhood fuse block (right front of engine compt)
• X114
• X115
• X200
• X202
• X235

Exterior Lamps Wiring Diagram, Sedan CTS-V (2 of 2) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Sedan CTS-V (2 of 2) for Cadillac CTS 2014:

• (coupe: behind right of rear seat) (sedan: under left side of luggage compt floor)
• (forward lamp harness, near horn connector)
• (forward lamp harness, near right cooling fan connector)
• (license plate lamp harness, 20 cm from right license lamp connector) j420
• Backup lamps circuit
• Center high mounted stop lamp (chmsl)
• Coupe
• Coupe/sedan
• Coupe/sedan cts-v
• Cts-v
• G101 (on left radiator support)
• G104 (right front of engine compt)
• G401
• G401 (coupe: behind right of rear seat) (sedan: under left side of luggage compt floor)
• G408 (top of right "d" pillar)
• G408 (top of right 'd' pillar)
• G904 (top of liftgate)
• Hot at all times
• J116
• J180
• J186
• J430
• J903
• J904
• Left front park lamp
• Left front side marker lamp
• Left license lamp
• Left park lamp relay
• Logic
• Lt/pos/lp fuse 10a
• Radio antenna inductor (wagon)
• Rear body fuse block (left side of luggage compt)
• Right backup lamp
• Right front park lamp
• Right front side marker lamp
• Right license lamp
• Right tail lamp assembly
• Right tail/stop & turn signal lamp
• Rt/pos/lp fuse 10a
• Sedan cts-v/
• W/ hid
• W/ variable real time damping
• W/o hid
• W/o variable real time damping
• Wagon
• X114
• X115
• X165
• X205
• X225
• X260
• X900
• X903

Exterior Lamps Wiring Diagram, Sedan Except CTS-V (1 of 3) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Sedan Except CTS-V (1 of 3) for Cadillac CTS 2014:

• (w/ overseas delivery vehicle preparation) hot w/ battery saver relay 1 energized (w/o overseas delivery vehicle preparation) hot at all times
• 11b
• 12b
• 12v
• 27b
• Auto
• Batt pos volt
• Bcm 1 fuse 10a
• Bcm 2 fuse 10a
• Bcm 3 fuse 15a
• Bcm 4 fuse 15a
• Bcm 5 fuse 15a
• Bcm 6 fuse 10a
• Bcm 7 fuse 10a
• Body control module (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Brk sene lo ref
• Brk sens 5v ref
• Computer data lines system
• Computer data lines system g201 (left kick panel)
• Drl sply volt
• Engine control module (lower right front of engine compt)
• Fdback sig
• G101 (on left radiator support)
• G201 (left kick panel)
• G304 (base of right "b" pillar)
• Gnd
• Hazard sw sig
• Hazard switch
• Head
• Hot at all times
• Instrument panel fuse block (left end of dash)
• Instrument panel multi-function switch 1
• J110
• J207
• J900
• Led
• Left
• Left headlamp assembly
• Left headlamp multi-function led control module
• Left license plate lamp
• Lf turn sw sig
• Logic
• Multi-function left headlamp
• Off
• Park
• Park lamp sig
• Position sens sig
• Rear body fuse block (left side of luggage compt)
• Rear license lp sply volt
• Rf turn sw sig
• Right
• Right license plate lamp
• Sens lo ref
• Sens sig
• Sens sply volt
• Serial data (+)
• Serial data (-)
• Sply volt
• Str/ whl/ cntrl fuse 2a
• Sw sig
• Turn signal/ multi-function switch
• Underhood fuse block (right front of engine compt)
• X110
• X115
• X150
• X225
• X915

Exterior Lamps Wiring Diagram, Sedan Except CTS-V (2 of 3) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Sedan Except CTS-V (2 of 3) for Cadillac CTS 2014:

• Computer data lines system
• Display
• Driver outside rearview mirror
• Driver outside rearview mirror courtesy lamp
• Fdback sig
• Front fascia multi-function
• G101 (on left radiator support)
• G102 (right front of engine compt)
• G301 (left kick panel)
• G302 (right kick panel)
• Gnd
• Instrument cluster
• J100
• J120
• J510
• J610
• Led
• Left
• Left front fascia multi-function lamp assembly
• Left front fascia multi-function led control module
• Left turn ind
• Left turn signal repeater lamp
• Logic
• Low spd gmlan ser data
• Multi-function front fascia right
• Park lamp ind
• Passenger outside rearview mirror
• Passenger outside rearview mirror courtesy lamp
• Right front fascia multi-function lamp assembly
• Right front fascia multi-function led control module
• Right headlamp assembly
• Right headlamp multi-function
• Right headlamp multi-function led control module
• Right turn ind
• Right turn signal repeater lamp
• Sply volt drl
• Sply volt turn sig
• X100
• X111
• X120
• X121
• X500
• X510
• X600
• X610

Exterior Lamps Wiring Diagram, Sedan Except CTS-V (3 of 3) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Sedan Except CTS-V (3 of 3) for Cadillac CTS 2014:

• (body harness, 18 cm rear of breakout to x275) j351
• (front fascia harness, 3 cm forward of breakout to left multifunction lamp assembly) j102
• (if equipped) driver exterior door handle assembly
• (if equipped) left rear exterior door handle assembly
• (if equipped) passenger exterior door handle assembly
• (if equipped) right rear exterior door handle assembly
• Body control module (left end of dash)
• Center high mounted stop lamp
• Driver exterior door handle courtesy lamp
• Fdback sig
• Fdback sig turn lp
• G101 (on left radiator support)
• G301 (left kick panel)
• G302 (right kick panel)
• G303 (base of left "b" pillar)
• G304 (base of right "b" pillar)
• G401 (under left side of luggage compt floor)
• Gnd
• J100
• J338 (w/ marker lamps) (body harness, in cross-car bundle, 11 cm right of left main bundle)
• J500
• J600
• J700
• J800
• Left front side marker lamp (if equipped)
• Left rear exterior door handle courtesy lamp
• Left rear side marker lamp (w/ marker lamps)
• Left rear turn signal lamp (w/o marker lamps)
• Left stop/ turn signal lamp (w/ marker lamps)
• Left tail lamp assembly
• Left tail/ stop lamp
• Logic
• Nca
• Park lp sply volt
• Passenger exterior door handle courtesy lamp
• Right front side marker lamp (if equipped)
• Right rear exterior door handle courtesy lamp
• Right rear side marker lamp (w/ marker lamps)
• Right rear turn signal lamp (w/o marker lamps)
• Right stop/ turn signal lamp (w/ marker lamps)
• Right tail lamp assembly
• Right tail/ stop lamp
• Sply volt
• Sply volt park lp
• Sply volt stop lp rly
• Sply volt turn sig lp
• To x320)
• X100
• X115
• X500
• X600
• X700
• X800

Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Cadillac CTS 2014:

• (3.0l & 3.6l: below left headlamp assembly) (6.2l: right rear of engine compt) engine control module (ecm)
• (not used)
• 3.0l & 3.6l
• 5 volt ref 1
• 6.2l
• A/t
• Auto
• Backup lamps circuit
• Bcm 4 fuse 10a
• Bcm 5 fuse 10a
• Bcm 6 fuse 10a
• Body control module (bcm) (left end of dash)
• Brake pedal position sensor (top of brake pedal assembly)
• Computer data lines system
• Data +
• Detection sig
• Disply fuse 10a
• G101 (on left radiator support)
• G102 (right front of engine compt)
• G104 (right front of engine compt)
• G401 (coupe: behind right side of rear seat) (sedan: under left side of luggage compt floor)
• G402 (behind left side of rear seat)
• Gnd
• Hazard sw sig
• Hazard switch
• Head
• Hot at all times
• Instrument panel cluster (ipc)
• J180
• J186
• J201
• J205
• J240
• K104
• Left
• Left backup lamp
• Left front turn signal lamp
• Left tail lamp assembly
• Left tail/stop & turn signal lamp
• Left turn ind
• Lf turn sw sig
• Logic
• Low ref
• Off
• Park
• Park lamp on sig
• Power distribution system
• Radio/hvac controls
• Rf turn sw sig
• Right
• Right front turn signal lamp
• Right turn ind
• Sens rtn
• Sens sig x1
• Sens sply
• Serial
• Serial data
• Serial data - x1
• Sply volt
• Sply volt x1
• Stop lamp sw sig
• Stp lp
• Stp lp sply volt
• Tan
• Turn signal/ multi-function switch
• Underhood fuse block (right front of engine compt)
• X114
• X115
• X200
• X202
• X235

Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Cadillac CTS 2014

List of elements for Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Cadillac CTS 2014:

• (coupe: behind right of rear seat) (sedan: under left side of luggage compt floor)
• (forward lamp harness, near horn connector)
• (forward lamp harness, near right cooling fan connector)
• (license plate lamp harness, 20 cm from right license lamp connector) j420
• Backup lamps circuit
• Center high mounted stop lamp (chmsl)
• Coupe
• Coupe/sedan
• Coupe/sedan cts-v
• Cts-v
• G101 (on left radiator support)
• G104 (right front of engine compt)
• G401
• G401 (coupe: behind right of rear seat) (sedan: under left side of luggage compt floor)
• G408 (top of right "d" pillar)
• G408 (top of right 'd' pillar)
• G904 (top of liftgate)
• Hot at all times
• J116
• J180
• J186
• J430
• J903
• J904
• Left front park lamp
• Left front side marker lamp
• Left license lamp
• Left park lamp relay
• Logic
• Lt/pos/lp fuse 10a
• Radio antenna inductor (wagon)
• Rear body fuse block (left side of luggage compt)
• Right backup lamp
• Right front park lamp
• Right front side marker lamp
• Right license lamp
• Right tail lamp assembly
• Right tail/stop & turn signal lamp
• Rt/pos/lp fuse 10a
• Sedan cts-v/
• W/ hid
• W/ variable real time damping
• W/o hid
• W/o variable real time damping
• Wagon
• X114
• X115
• X165
• X205
• X225
• X260
• X900
• X903