All Wiring Diagrams for Cadillac Seville SLS 2003

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac Seville SLS 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac Seville SLS 2003:

(hvac harn, 73 cm from air inlet actuator)
(hvac harn, 79.5 cm from air inlet actuator)
(hvac harn, 89.5 cm from air inlet actuator)
(i/p harn, 4 cm from left solar sensor harn breakout)
(i/p harn, 8 cm from inst panel harn breakout)
5v ref
5v vlv signal
A/c clu fuse 15a
A/c clu relay
A/c comp- ressor clutch
A/c low temperature sensor (rear of eng compt, on a/c low side line)
A10
A11
A12
Acc
Air temp vlv fd
Air temp vlv sig
Air temperature actuator (left) (behind left side of dash, on hvac module)
Air temperature actuator (right) (behind right side of dash, on hvac module)
Air temperature sensor (lower right) (right side of dash, in a/c duct) air temperature sensor (lower left) (left side of dash, in a/c duct)
Air temperature sensor (upper right) (right side of dash, in a/c duct) air temperature sensor (upper left) (left side of dash, in a/c duct)
Ambient air temperature sensor (near hood latch)
Battery
C11
C3 b12
Computer data lines system
D11 blwr sp cntrl
D16
Dash integration module (dim) (on right side of dash, near blower motor)
Data line
Dim fuse 10a
G106 (lower left corner of engine)
G201
G201 (right front corner of passenger compt, under front of sill trim plate)
Ground
Hot at all times
Hot in on
Hot in on or start
I/p fuse 15a
Ign 3 rr fuse 10a
Ign sw fuse 15a
Ignition
Ignition switch
Inside air temperature sensor (behind left side of dash, left of steering column)
Inside air, 5v
Instrument panel integration module (ipm) (behind center of dash, above radio)
L sunload, 5v
Ll air temp, 5v
Lock
Lr air temp. 5v
Mode actuator (behind left side of dash, on hvac module)
Mode drive fd
Motor return
Outside air, 5v
Pnk
R sunload, 5v
Rear fuse block
Recirc vlv fd
Recirc vlv sig
Recirculation actuator (behind right side of dash, on hvac module)
S130 (eng harn, 15 cm from ebcm & trans breakout)
S203 (i/p harn, 55.5 cm from radio connector)
S204 (i/p harn, 64.5 cm from radio connector)
S206
S209
S210 (i/p harn, 22 cm from left solar sensor harn breakout)
S274
S275
S278
Sensor grd
Solid state
Splice pack sp201 (right front corner of passenger compt, under front of sill trim plate)
Start
Steer whl feed
Steer whl rtn
Sun load sensor (left) (on left side of dash, in defrost grille)
Sun load sensor (right) (on right side of dash, in defrost grille)
Tan
Ul air temp, 5v
Underhood fuse block (right side of engine compt)
Ur air temp, 5v

Automatic A/C Wiring Diagram (2 of 2) for Cadillac Seville SLS 2003

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac Seville SLS 2003:

(console harn, 4 cm from cd player harn breakout) s318
(right side of engine compt) underhood fuse block
A/c enable
A/c refrigerant pressure sensor (on lower left front of engine, on a/c compressor)
A10
Auxiliary blower motor (front of center console, below ashtray)
Auxiliary blower motor resistor assembly (front of center console)
Auxiliary hvac control assembly
Auxiliary mode actuator (under front of center console)
B10
Battery
Blend
Blower motor
Blower motor control processor (under right side of dash, near center heater outlets)
Blwr grd
Computer data lines system
Cool fan 1 fuse 30a
Cool fan 2 fuse 30a
Coolfan 1 relay
Coolfan 2 relay
Coolfan s/p relay
D10
Data line
E nca
E10
Ect sens grd
Ect sens sig
Engine coolant temperature (ect) sensor (right rear corner of engine, below egr valve)
F11
Fan
G104 (right side of engine compt)
G200
G201
G401 (right rear corner of rear compt)
Grd
Ground
High spd fan
Hot at all times
Hot in on
Hot in on or start
Hvac blo fuse 30a
Hvac fuse 10a
Ign 1 fuse 10a
Inflatable restraint steering wheel module coil
Interior lights system
Left cooling fan
Low spd fan
Lower
Med
Off
Pnk
Powertrain control module (pcm) (left side of engine compt, below air cleaner)
Rear blwr
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right side of rear seat back)
Red
Right cooling fan
Rr blo fuse 10a
Rr blo relay
S317 (console harn, 33 cm from rear blower switch connector)
S322 (rear blower harn, 12.5 cm from rear blower motor connector)
Select
Sensor grd
Sensor return
Sp cntrl out
Sp input
Splice pack sp104
Splice pack sp200 (left front corner of pass compt, under front of sill trim plate)
Splice pack sp201 (right front corner of passenger compt, under front of sill trim plate)
Steering column fuse block (near base of steering column)
Steering wheel control switches
Switch fuse 2a
Tan
Temp
Upper
Vol

Compressor Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Compressor Wiring Diagram for Cadillac Seville SLS 2003:

A/c clu fuse 15a
A/c clu relay
A/c compressor clutch
A/c enable
A/c refrigerant pressure sensor (on lower left front of engine, on a/c compressor)
A11
A12
C1 c8
C11
Computer data lines system
Dash integration module (dim) (on right side of dash, near blower motor)
Data line
G106 (lower left front corner of engine)
Hot at all times
Hot in on or start
Instrument panel integration module (ipm) (behind center of dash, above radio)
Powertrain control module (pcm) (left side of engine compt, below air cleaner)
Sensor ground
Sensor return
Underhood fuse block (right side of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Anti-lock Brakes Wiring Diagram for Cadillac Seville SLS 2003:

(behind center of dash, above radio) instrument panel integration module (ipm)
(behind right rear seat back) continuously variable road sensing suspension module
(body harn, 10 cm from left rear door harness breakout)
(body harn, 6.5 cm from left rear door harness breakout)
(in eng harn, 25.9 cm from camshaft position sensor connector)
(in eng harn, next to s120, 54.1 cm from c101)
(lower left front corner of eng, below transmission harness connector)
(near center of left front door sill) sp302
A c1
Abs fuse 10a
Abs fuse 50a
Abs ind lamp
Abs ind sig
Abs indicator
B c4
Battery
Brake pressure modulator valve
Brake wear sens sig
C1 c8
C1 d4
C11
C12 c1
Computer data lines system
D14
D15
Delivered torque output
Driver information center (dic)
Electronic brake control module (ebcm) (on left front corner of eng compt, below air cleaner housing)
G110
G300 (under left front seat, on no 2 bar)
G402
Ground-module
Ground-pump motor
Hot at all times
Hot in run
Ignition 3
Instrument panel cluster
Lateral accelerometer
Lateral accelerometer sensor (under left rear seat)
Left front brake pad wear sensor
Left front wheel speed sensor
Left normal force sig
Left rear brake pad wear sensor
Left rear wheel speed sensor
Lf wheel spd sens-ret
Lf wheel spd sens-sig
Lr wheel spd sens-ret
Lr wheel spd sens-sig
Nca
Powertrain control module (pcm) (at left front corner of eng compt, below air cleaner)
Pump motor
Rear fuse block (under left rear seat)
Red
Requested torque input
Rf wheel spd sens-ret
Rf wheel spd sens-sig
Right front brake pad wear sensor
Right front wheel speed sensor
Right normal force sig
Right rear brake pad wear sensor
Right rear wheel speed sensor
Rr wheel spd sens-ret
Rr wheel spd sens-sig
S117
S118
S119
S120
S300
S301
S316
Sens feed-5v
Sensor ret
Serial data class 2
Sp300
Sp402 (left rear corner of rear compt, near c400 conn)
Steering wheel pos
Steering wheel position
Steering wheel position sensor (swps) (on base of steering column)
Stop lamp switch
Stop lamp/ automatic transmission shift lock control switch (near top of brake pedal)
Stop lp fuse 15a
Stoplight sw
Strg wheel pos sens
Tan
Torque delivered
Torque desired
Trac ctrl sw
Traction control indicator
Traction control switch
Traction off
Underhood fuse block (on right side of eng compt, near power steering pump)
Var effort steering
Variable effort steering actuator (on left side of power steering gear)
Vent tube
Yaw rate sens
Yaw rate sensor (left side of rear compt, near hinge)

ANTI-THEFT

Forced Entry Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Forced Entry Wiring Diagram for Cadillac Seville SLS 2003:

(body harn, 14 cm from breakout to power seat harness under left front seat)
A11
A12
A7 c3
Computer data lines system
Dash integration module (dim) (right side of dash, near blower motor)
Dr lk sw in
Dr lk sw ret
Driver door lock actuator
Driver door module (in front of left front door)
Drv mdl fuse 5 10a
E10
Exterior lights system
Front passenger door lock actuator
Front passenger door module (in front of right front door)
G200
G201
G300
G301
G401
G402
Gnd
Haz sw sig
Horn ctrl
Horns system
Hot at all times
Ign sw fuse 29 15a
Instrument cluster
Key cyl sw
Left rear door lock actuator
Left rear door module (in front of left rear door)
Lf dr act ret
Lf dr open in
Lr dr act ret
Lr dr open in
Nca
Pass mdl fuse 25 10a
Pwr wdo circuit breaker 57 30a
Rear compartment disarm switch (on lid lock cylinder)
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right side of rear seat back)
Remote control door lock receiver (under rear package shelf)
Rf dr act ret
Rf dr open in
Right rear door lock actuator
Right rear door module (in front of right rear door)
Rr dr act ret
Rr dr mdl fuse 18 10a
Rr dr open in
S303
Security indicator
Serial data
Splice pack sp200 (left kick panel)
Splice pack sp201 (right kick panel)
Splice pack sp300 (under left front seat)
Splice pack sp301 (under left rear seat)
Splice pack sp401 (right side of rear compt)
Splice pack sp402 (left side of rear compartment)
Tan

Pass-Key Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Pass-Key Wiring Diagram for Cadillac Seville SLS 2003:

(on ignition switch)
Acc
B6 c2
Computer data lines system
E c2
Fuse 10a
G201
Grd
Hot at all times
Ignition switch
Nca
Off
Pcm/batt
Power distribution system
S203
Sensor ref
Sensor sig
Serial data
Splice pack sp201 (right kick panel)
Start
Theft deterrent control module (behind left side of dash, right of steering column)
Theft deterrent exciter module
Underhood fuse block

BODY CONTROL MODULES

Dash Integration Module Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Dash Integration Module Wiring Diagram for Cadillac Seville SLS 2003:

(under right side of rear seat, near battery)
A/c refrig lo temp sen sig
A10
A11
A12
Acc
Accessory voltage
Air conditioning system
Anti-theft system
B10
B11
B12
Backlight lamps control
Battery
Battery positive voltage
Class 2 serial data
Computer data lines system
Control power
Crank voltage
Dash integration module (dim) (on right side of dash, near blower motor)
Dim fuse 10a
Drl rly ctrl
Exterior lights system
Flash to pass in
Fog lamp rly ctrl
G201
G307
Ground
Hazar sw sig
Headlamp hi beam rly ctrl
Headlamp on sig
Headlamp washer fluid pump relay ctrl
Headlamps/wipers sig
Headlights system
Hlight lo bm relay control
Hood ajar sw sig
Horn rly ctrl
Horns system
Hot at all times
Ign sw fuse 20 15a
Ignition 1 voltage
Ignition 3 voltage
Ignition switch
Interior lights system
Ip lamp fuse sup voltage
Lock
Low refrigerant
Off/run/crank voltage
Park lamp rly ctrl
Parklamp sw on sig
Pnk
Power distribution system
Rear fuse block (under left rear seat)
Remote radio ctrl sup volt
Reverse lockout sol ctrl
Run
Sound system
Splice pack sp201 (right front corner of passenger compt, under front of still trim plate)
Start
Steering wheel ctrl sig
Transmissions system
Wiper/washer system

Instrument Panel Integration Module Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Instrument Panel Integration Module Wiring Diagram for Cadillac Seville SLS 2003:

5 volt ref
A/c upr lt air temp sen sig
A/c upr rt air temp sen sig
A10
A11
A12
Air conditioning system
Air temp door ctrl
Air temp door pos sen sig
Ambient light sensor sig
Anti-lock brakes system
B10
B11
B12
Backlight lamps ctrl
Battery positive voltage
Blower speed ctrl sig
C10
C11
C12
C13
C14
C15
C16
Class 2 serial data signal
Computer data lines system
D10
D11
D12
D13
D14
D15
D16
Driver solar sen sig
Front fog lamp sw sig
Fuel door release sw sig
G201
Ground
Headlights system
Hot at all times
Hot in run
I/p fuse 10a
I/p lamps dimmer sw sig
Ign 3 rr fuse 10a
Ignition 3 voltage
Ignition key warning switch
Ignition switch
Inside air temp sens sig
Instrument cluster system
Instrument panel integration module (ipm) (behind center of dash, behind radio)
Interior lamps sw off sig
Interior lamps sw on sig
Interior lights system
Key cylinder lamp ctrl
Key in ignition sig
Low lt air temp sen sig
Low mode door pos sen sig
Low ref
Lower rt air temp sen sig
Mode door ctrl
Outside air temp sen sig
Passenger solar sen sig
Passr air temp door pos sig
Rear compt lock actr unlock
Rear fuse block (under left rear seat)
Recirculation door ctrl
Recirculation position sig
Right air temp door ctrl
S203
S204
Splice pack sp201 (right front corner of passenger compt, under front of still trim plate)
Tan
Traction ctrl sw sig
Trunk, tailgate, fuel doors system
Twilight sentinel delay sig
Underhood fuse block (on right side of eng compt, near power steering pump)

Rear Integration Module Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Rear Integration Module Wiring Diagram for Cadillac Seville SLS 2003:

A10
A11
A12
Air conditioning system
Anti-theft system
B10
B11
B12
Battery positive voltage
Blover mtr rly coil sup volt
Class 2 serial data
Computer data lines system
Defogger system
Exterior lights system
Front courtesy lamp rly ctrl
Fuel door release rly ctrl
G401
G402
Ground
Heated seat ctrl mod enable
Heated seat ctrl mod status
Hot at all times
Hot in run or start
Ign 1 fuse 10a
Ign sw fuse 15a
Ignition 1 voltage
Interior lamp ctrl
Interior lights system
Left rear hated seat sw sig
Lid open switch
Park brake relay coil 1 ctrl
Park brake relay coil 2 ctrl
Park brake relay coil ctrl
Pnk
Power distribution system
Power distribution system (cigar relay)
Power distribution system (rap relay)
Rap relay coil ctrl
Rear compartment lid pulldown motor (on rear compartment lid latch)
Rear courtesy lamp rly ctrl
Rear defogger rly ctrl
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right side of rear seat back)
Rear parking assist chime sig
Reverse relay ctrl
Right rear hated seat sw sig
Seats system
Shift interlock system
Shift interlock system (park brake release circuit)
Splice pack sp401 (right rear corner of rear compt, near c403 connector)
Splice pack sp402 (left rear corner of rear compt, near c400 connector)
Tan
Trunk ajar sw sig
Trunk key sw sig
Trunk release relay ctrl
Trunk, tailgate, fuel doors system
Warning system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Computer Data Lines Wiring Diagram for Cadillac Seville SLS 2003:

(body harn, 29cm from cross-car harness breakout)
(left kick panel) spice pack sp200
(main body harn, 20.5 cm from rear speaker breakout)
(not used)
A11
A12
Aldl fuse 10a
Audio amplifier
B11
B12
Bose radio base radio
Cellular telephone module (under right side of rear speaker shelf)
Dash integration module (dim) (on right side of dash, near blower motor)
Data class 2
Data link connector (under left side of dash, near steering column)
Digital audio receiver
Driver door module (in front of left front door, near radio speaker)
Electronic brake control module (at left front corner of eng compt, below air cleaner housing)
F14
F15
G200
G201
Hot at all times
Inflatable restraint sensing & diagnostic module (under right front seat)
Instrument panel cluster (ipc)
Instrument panel integration module (behind center of dash, above radio)
Memory seat module (under left front seat)
Power distribution system
Powertrain control module (at left front corner of eng compt, below air cleaner)
Radio
Rear integration module (rim) (behind right side of rear seat back)
Remote control door lock receiver (under rear speaker shelf)
Remote play back device cd changer
S200 (body harn, 70 cm from p101)
S210
S212
S305
S327 (left seat harn, 47 cm from forward/ back position sensor conn)
S421
S428 (main body harn, 10.5 cm from rear speaker break out)
Spice pack sp201 (right kick panel)
Steering column module (w/ tele steering column option) (behind left side of dash, left of steering column)
Theft deterrent control module (behind left side of dash, right of steering column)
Underhood fuse block
Vehicle communication interface module (behind right rear seat)
W/ mobile telephone provisions
W/ navigation
W/ navigation system
W/o mobile telephone provisions
W/o navigation system

COOLING FAN

Cooling Fan Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Cooling Fan Wiring Diagram for Cadillac Seville SLS 2003:

B10
Cool fan 1 fuse 30a
Cool fan 2 fuse 30a
Coolfan 1 relay
Coolfan 2 relay
Coolfan s/p relay
Corner of engine, below egr valve)
D10
E10
Ect sens grd
Ect sens sig
Engine coolant temperature sensor (right rear
F11
Fan ctrl
G104 (right side of engine compt)
Hot at all times
Left cooling fan
Powertrain control module (pcm) (at left side of engine compt, inside air cleaner)
Right cooling fan
Splice pack sp104
Underhood fuse block (right side of engine compt)

CRUISE CONTROL

Cruise Control Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Cruise Control Wiring Diagram for Cadillac Seville SLS 2003:

All times
Cancel input
Cruise control module (near power brake booster)
Cruise fuse 10a
Cruise inhibit
Cruise on/off
Cruise set/coast
Disable output
Engage ouput
Engaged input
G101 (left side of engine compt)
Ground
Hot at
Hot in
Ign 1 fuse 10a
Ignition
Inflatable restraint steering wheels module coil
Left steering wheels controls
Nca
On & start
On/off
Pnk
Powertrain control module (pcm) (in air cleaner housing)
Rear fuse block
Resume/ accel
Resume/accel
Right steering wheels controls
S201 (body harn, (left side of dash)
S228
Set/ coast
Splice pack sp101
Splice pack sp302 (near driver's seat)
Steering column fuse holder
Stop lp fuse 15a
Stoplamp switch (near top of brake pedal)
Stp lp sig input
Switch fuse 2a
Tcc/cruise release switch (near top of brake pedal)
Transmissions systems
Underhood fuse block
Vehicle speed input
Vehicle speed out
Vehicle speed sensor (vss) (on transaxle case extention)
Vss high
Vss low

DEFOGGERS

Defoggers Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Defoggers Wiring Diagram for Cadillac Seville SLS 2003:

(right side of rear shelf) g304
Computer data lines system
Door locks system
Driver outside rearview mirror
Driver's door module (ddm) (in driver's door, near radio speaker)
Front passenger door module (fpdm) (in passenger's door, (near radio speaker)
Hot at all times
Hot in on or start
Instrument panel integration module (ipm) (behind center of dash, above radio)
Logic
Low reference
Nca
Passenger feed
Passenger outside rearview mirror
Passenger return
Rear defogger indicator
Rear defogger switch
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right side of rear seat back)
Rear window defogger grid
Relay ctrl
Rr defog fuse 40a
Rr defog relay
S303 (body harness, under driver's seat approximately 14 cm (5.5 in) from 18 cavity black in-line connector)
Serial data
Side of rear shelf) g303

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Electronic Power Steering Wiring Diagram for Cadillac Seville SLS 2003:

Abs fuse 10a
Abs fuse 50a
Battery
C12
Computer data lines system
Electronic brake control module (ebcm) (lower left front corner of engine compartment, under air cleaner housing)
G110 (deville) (below thermostat housing, on transmission case)
G110 (seville) (lower left front corner of engine on transmission case)
Ground
High effort ctrl
Hot at all times
Hot in run
Ignition
Low effort ctrl
Nca
Rear fuse block (under left rear seat)
Red
Serial data
Underhood fuse block (on right side of engine compartment)
Variable effort steering actuator (on left side of power steering gear)

ELECTRONIC SUSPENSION

Electronic Air Suspension Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Electronic Air Suspension Wiring Diagram for Cadillac Seville SLS 2003:

(in body body harn, 63 cm from strut actuator)
(in body harn, 63 cm from strut actuator, right connector)
5v reference
Automatic level control compressor (under rear of vehicle, near rear suspension carrier)
B10
Battery voltage
C10
C11
Closed
Computer data lines system
D11
Data line
Elc fuse 30a
Elc relay
Elc relay ctrl
Electronic brake control module (ebcm) (on left front corner of eng compt, below air cleaner housing)
Electronic suspension control module (behind right rear seat back)
Exhaust solenoid
G401
Ground
Head assembly
Hot at all times
Hot in run
Ign 3 rr fuse 10a
Ignition voltage
Left force
Left front suspension position (inside left front strut assembly)
Left front suspension position sensor (near left front suspension assembly)
Left rear suspension damper (inside left rear strut assembly)
Left rear suspension position sensor (near left rear suspension assembly)
Lf damper ctrl
Lf damper out
Lf position sens
Lift/dive signal
Lift/dive signal out
Lr damper ctrl
Lr damper out
Lr position sens
Motor (cylinder head)
Mrcvrtd fuse 20a
Nca
Nca nca
Powertrain control module (pcm) (left front corner of engine compt, below air cleaner)
Rear fuse block (under left rear seat)
Red
Rf damper ctrl
Rf damper out
Rf position sens
Right force
Right front suspension damper (inside right front strut assembly)
Right front suspension position sensor (near right front suspension assembly)
Right rear suspension damper (inside right rear strut assembly)
Right rear suspension position sensor (near right rear suspension assembly)
Rr damper ctrl
Rr damper out
Rr position sens
S150 (in body body harn, 63 cm from strut actuator)
S152
S153
Sensor return
Splice pack sp401 (right rear corner of rear compt, near c403 connector)
Steer wheel pos
To rear struts
Vent

Electronic Level Control Wiring Diagram, with Electronic Air Suspension for Cadillac Seville SLS 2003

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List of elements for Electronic Level Control Wiring Diagram, with Electronic Air Suspension for Cadillac Seville SLS 2003:

Automatic level control compressor (under rear of vehicle, near rear suspension carrier)
B10
Battery voltage
C10
C11
Closed
D11
Elc fuse 30a
Elc relay
Elc relay ctrl
Electronic suspension control module (behind right rear seat back)
Exhaust solenoid
G401
Ground
Head assembly
Hot at all times
Hot in run
Ign 3 rr rr fuse 10a
Ignition voltage
Motor (cylinder head)
Mr cvrtd fuse 20a
Nca
Rear fuse block (under left rear seat)
Red
Splice pack sp401 (right rear corner of rear compt, near c403 connector)
To rear struts
Vent

Electronic Level Control Wiring Diagram, without Electronic Air Suspension for Cadillac Seville SLS 2003

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List of elements for Electronic Level Control Wiring Diagram, without Electronic Air Suspension for Cadillac Seville SLS 2003:

(left rear corner of rear compt, near c400 connector)
Automatic level control compressor (under rear of vehicle, near rear suspension carrier)
Automatic level control module (under rear of vehicle, near rear suspension carrier)
B10
Battery voltage
C10
C11
Closed
Compressor control
D11
Elc fuse 30a
Elc relay
Exhaust solenoid
Exhaust solenoid control
G401
G402
Ground
Head assembly
Hot at all times
Hot in run
Ign 3 rr rr fuse 10a
Ignition voltage
Motor (cylinder head)
Mr cvrtd fuse 20a
Nca
Rear fuse block (under left rear seat)
Red
Splice pack sp401
Splice pack sp401 (right rear corner of rear compt, near c403 connector)
To rear struts
Vent

ENGINE PERFORMANCE

4.6L VIN 9

4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac Seville SLS 2003:

(lower left front corner of engine) g106
A/t input spd sens high
A/t input spd sens low
Acc on
Air pump relay
Air sol vlv cntrl
Anti lock brakes system
Battery
Chassis pitch sig
Ckp sens a sig
Ckp sens b sig
Class 2 data link
Cmp sens 12v ref
Cmp sens sig
Computer data lines system
Cooling fans system
Cruise control system
Cruise inhibit out
Cyl 1 cntrl
Cyl 7 cntrl
Delivered torque output
E c2
Electronic suspension system
Evap vent valve cntrl
Extended trvl brake sw
Fan low spd cntrl
Fuel inj 1 cntrl
Fuel inj 2 cntrl
Fuel inj 3 cntrl
Fuel inj 4 cntrl
Fuel inj 5 cntrl
Fuel inj 6 cntrl
Fuel inj 7 cntrl
Fuel inj 8 cntrl
Fuel injectors
Fuel pump rel cntrl
Fuel tank press sig
Ho2s high (1,1)
Ho2s high (1,2)
Ho2s high (2,1)
Ho2s htr high (1,1)
Ho2s htr low (1,1)
Ho2s low (1,1)
Ho2s low (1,2)
Ho2s low (2,1)
Hos2 htr low (2,1)
Hot at all times
Hot in on & start
Iac coil a high
Iac coil a low
Iac coil b high
Iac coil b low
Iat sens sig
Ignition
Ignition switch
Ims a input
Ims b input
Ims c input
Ims p input
Injr 1 fuse 10a
Injr 2 fuse 10a
Maf sens sig
Map sens sig
Mil cntrl
Off
Oxy sen fuse 10a
Pcm batt fuse 10a
Pcm ground
Pcm ign fuse 10a
Pnk
Pnk a
Powertrain control module (left front corner of engine compt, below air cleaner)
Press cntrl sol high
Press cntrl sol low
Red
Requested torque input
S130
S205
Start
Tan
Tp sens sig
Underhood fuse block (right side of engine compt)
Vss high
Vss low
Vss output

4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac Seville SLS 2003:

B3 pnk
B4 pnk
C ground
D ign
E maf sens
Evaporative emissions canister purge valve (rear of engine, near throttle body)
Evaporative emissions canister vent valve (under rear of vehicle, near left wheel)
Exhaust gas recirculation (egr) valve (top right rear of engine)
F3 pnk
Fuel tank pressure sensor (on top of fuel tank)
G106 (lower left front corner of engine)
Heated oxygen sensor (ho2s) (bank 1, sensor 1) (on right exhaust manifold)
Heated oxygen sensor (ho2s) (bank 1, sensor 2) (rear of catalytic converter)
Heated oxygen sensor (ho2s) (bank 2, sensor 1) (on left exhaust manifold)
Hot in on & start
Iat sens
Idle air control (iac) valve (on throttle body)
Ign 1 fuse 10a
Manifold absolute pressure sensor (top of throttle body)
Mass airflow (maf) sensor (in air intake duct, near throttle body)
Nca
Pnk
Pnk d
Rear fuse block (under left rear seat)
Red
S131
Tan
Tan a
Throttle position (tp) sensor (on throttle body)
Under- hood fuse block
Vent sol fuse 10a

4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac Seville SLS 2003:

(in i/p harn, 22 cm from left solar sensor harn breakout)
(in i/p harn, 5 cm from left sunload temp sensor breakout)
(lower left front corner of engine) g106
(top right side of engine, under intake manifold top cover)
Automatic transaxle
Camshaft position (cmp) sensor (front of right cylinder head)
Coil mdl fuse 20a
Crankshaft position (ckp) sensor a (left side of engine block)
Crankshaft position (ckp) sensor b (left side of engine block)
Cruise control system
D10
Engine oil pressure switch (at left side of engine, near oil filter adapter)
F/pmp fuse 20a
Fuel pump (top of fuel tank)
Fuel pump relay
G108 (right rear of engine)
G301 (under left front corner of rear seat)
G401 (right rear corner of rear compt, near c400)
Hot at all times
Hot in on & start
Ign
Ignition coil (bank 1)
Ignition coil (bank 2) (top left side of engine, under intake manifold top cover)
Ignition control module (bank 1) (under intake manifold top cover)
Ignition control module (bank 2) (under intake manifold top cover)
Instrument panel cluster
Navigation system
Nca
Pnk
Rear fuse block
Red
S130
S131
S210
S232
Service engine soon ind
Sound system
Spark plugs
Tach input
Trans- mission internal mode switch (ims)
Under- hood fuse block
Vehicle speed sensor (vss) (on transaxle case extension)
Vss input

4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac Seville SLS 2003:

(body harn, 14 cm from yaw rate sensor)
1-2 shift sol
2-3 shift sol
A4 pnk
Air pump fuse 50a
Automatic transaxle
Automatic transaxle fluid temper- ature sensor
Automatic transaxle input speed sensor
Automatic transmission
C3 pnk
Cruise control system
Extended travel brake switch
Fluid pressure manual valve position switch
Fuel sender (in fuel tank)
G109 (lower left front corner of engine)
Hot at all times
Hot in on & start
Ign 1 fuse 10a
Pnk
Pressure control solenoid valve
Rear fuse block (under left rear seat)
Red
S113
S332
Secondary air injection (air) pump (lower right front of engine compt)
Secondary air injection (air) pump relay (near radiator surge tank)
Secondary air injection (air) solenoid valve (near right exhaust manifold)
Tan
Tcc/ cruise switch
Tcc/cruise release switch (near top of brake pedal)
Torque converter clutch pulse width modulation solenoid
Trans fuse 10a
Underhood fuse block (right side of engine compt)

4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac Seville SLS 2003:

(lower left front corner of engine) g106
1-2 shift sol vlv cntrl
2-3 shift sol vlv cntrl
A/ press low ref
A/c press sens 5v ref
A/c press sensor sig
A/c refrigerant pressure sensor (lower left front of engine, on a/c compressor)
A/c rly cntrl
A/c system
Ckp sens a 12v ref
Ckp sens a low ref
Ckp sens b 12v ref
Ckp sens b low ref
Cmp sens low ref
Cooling fans system
Cruise control system
Cruise engaged input
Cyl 2 cntrl
Cyl 3 cntrl
Cyl 4 cntrl
Cyl 5 cntrl
Cyl 6 cntrl
Cyl 8 cntrl
Ect sens low ref
Ect sens sig
Egr 5v ref
Egr position sig
Egr sens low ref
Egr valve low ref
Engine coolant temperature (ect) sensor (right rear of engine, below egr valve)
Engine oil level switch (left side of oil pan)
Evap purge sol cntrl
Fan high spd cntrl
Ftp sens 5v ref
Fuel lvl signal
Fuel tank press low ref
Gen field duty sig
Generator turn on sig
Ho2s htr low (1,2)
Iat low ref
Icm 1 low ref
Icm 2 low ref
Knock sens low ref
Knock sens sig
Knock sensor (ks) (on center top of engine, under manifold top cover)
Map sens 5v ref
Map sens low ref
Nca
Oil level sw input
Oil press sw input
Pcm ground
Pnk
Powertrain control module (left front corner of engine compt, below air cleaner)
Red
S130
S131
Starter rly cntrl
Starting/ charging system
Tach output
Tcc brake switch input
Tcc pwm sol cntrl
Tft sens low ref
Tft sensor sig
Tp sens 5v ref
Tp sens low ref
Trans range a input
Trans range c input

4.6L VIN Y

4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac Seville SLS 2003:

(lower left front corner of engine) g106
A/t input spd sens high
A/t input spd sens low
Acc on
Air pump relay
Air sol vlv cntrl
Anti lock brakes system
Battery
Chassis pitch sig
Ckp sens a sig
Ckp sens b sig
Class 2 data link
Cmp sens 12v ref
Cmp sens sig
Computer data lines system
Cooling fans system
Cruise control system
Cruise inhibit out
Cyl 1 cntrl
Cyl 7 cntrl
Delivered torque output
E c2
Electronic suspension system
Evap vent valve cntrl
Extended trvl brake sw
Fan low spd cntrl
Fuel inj 1 cntrl
Fuel inj 2 cntrl
Fuel inj 3 cntrl
Fuel inj 4 cntrl
Fuel inj 5 cntrl
Fuel inj 6 cntrl
Fuel inj 7 cntrl
Fuel inj 8 cntrl
Fuel injectors
Fuel pump rel cntrl
Fuel tank press sig
Ho2s high (1,1)
Ho2s high (1,2)
Ho2s high (2,1)
Ho2s htr high (1,1)
Ho2s htr low (1,1)
Ho2s low (1,1)
Ho2s low (1,2)
Ho2s low (2,1)
Hos2 htr low (2,1)
Hot at all times
Hot in on & start
Iac coil a high
Iac coil a low
Iac coil b high
Iac coil b low
Iat sens sig
Ignition
Ignition switch
Ims a input
Ims b input
Ims c input
Ims p input
Injr 1 fuse 10a
Injr 2 fuse 10a
Maf sens sig
Map sens sig
Mil cntrl
Off
Oxy sen fuse 10a
Pcm batt fuse 10a
Pcm ground
Pcm ign fuse 10a
Pnk
Pnk a
Powertrain control module (left front corner of engine compt, below air cleaner)
Press cntrl sol high
Press cntrl sol low
Red
Requested torque input
S130
S205
Start
Tan
Tp sens sig
Underhood fuse block (right side of engine compt)
Vss high
Vss low
Vss output

4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac Seville SLS 2003:

B3 pnk
B4 pnk
C ground
D ign
E maf sens
Evaporative emissions canister purge valve (rear of engine, near throttle body)
Evaporative emissions canister vent valve (under rear of vehicle, near left wheel)
Exhaust gas recirculation (egr) valve (top right rear of engine)
F3 pnk
Fuel tank pressure sensor (on top of fuel tank)
G106 (lower left front corner of engine)
Heated oxygen sensor (ho2s) (bank 1, sensor 1) (on right exhaust manifold)
Heated oxygen sensor (ho2s) (bank 1, sensor 2) (rear of catalytic converter)
Heated oxygen sensor (ho2s) (bank 2, sensor 1) (on left exhaust manifold)
Hot in on & start
Iat sens
Idle air control (iac) valve (on throttle body)
Ign 1 fuse 10a
Manifold absolute pressure sensor (top of throttle body)
Mass airflow (maf) sensor (in air intake duct, near throttle body)
Nca
Pnk
Pnk d
Rear fuse block (under left rear seat)
Red
S131
Tan
Tan a
Throttle position (tp) sensor (on throttle body)
Under- hood fuse block
Vent sol fuse 10a

4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac Seville SLS 2003:

(in i/p harn, 22 cm from left solar sensor harn breakout)
(in i/p harn, 5 cm from left sunload temp sensor breakout)
(lower left front corner of engine) g106
(top right side of engine, under intake manifold top cover)
Automatic transaxle
Camshaft position (cmp) sensor (front of right cylinder head)
Coil mdl fuse 20a
Crankshaft position (ckp) sensor a (left side of engine block)
Crankshaft position (ckp) sensor b (left side of engine block)
Cruise control system
D10
Engine oil pressure switch (at left side of engine, near oil filter adapter)
F/pmp fuse 20a
Fuel pump (top of fuel tank)
Fuel pump relay
G108 (right rear of engine)
G301 (under left front corner of rear seat)
G401 (right rear corner of rear compt, near c400)
Hot at all times
Hot in on & start
Ign
Ignition coil (bank 1)
Ignition coil (bank 2) (top left side of engine, under intake manifold top cover)
Ignition control module (bank 1) (under intake manifold top cover)
Ignition control module (bank 2) (under intake manifold top cover)
Instrument panel cluster
Navigation system
Nca
Pnk
Rear fuse block
Red
S130
S131
S210
S232
Service engine soon ind
Sound system
Spark plugs
Tach input
Trans- mission internal mode switch (ims)
Under- hood fuse block
Vehicle speed sensor (vss) (on transaxle case extension)
Vss input

4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac Seville SLS 2003:

(body harn, 14 cm from yaw rate sensor)
1-2 shift sol
2-3 shift sol
A4 pnk
Air pump fuse 50a
Automatic transaxle
Automatic transaxle fluid temper- ature sensor
Automatic transaxle input speed sensor
Automatic transmission
C3 pnk
Cruise control system
Extended travel brake switch
Fluid pressure manual valve position switch
Fuel sender (in fuel tank)
G109 (lower left front corner of engine)
Hot at all times
Hot in on & start
Ign 1 fuse 10a
Pnk
Pressure control solenoid valve
Rear fuse block (under left rear seat)
Red
S113
S332
Secondary air injection (air) pump (lower right front of engine compt)
Secondary air injection (air) pump relay (near radiator surge tank)
Secondary air injection (air) solenoid valve (near right exhaust manifold)
Tan
Tcc/ cruise switch
Tcc/cruise release switch (near top of brake pedal)
Torque converter clutch pulse width modulation solenoid
Trans fuse 10a
Underhood fuse block (right side of engine compt)

4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac Seville SLS 2003:

(lower left front corner of engine) g106
1-2 shift sol vlv cntrl
2-3 shift sol vlv cntrl
A/ press low ref
A/c press sens 5v ref
A/c press sensor sig
A/c refrigerant pressure sensor (lower left front of engine, on a/c compressor)
A/c rly cntrl
A/c system
Ckp sens a 12v ref
Ckp sens a low ref
Ckp sens b 12v ref
Ckp sens b low ref
Cmp sens low ref
Cooling fans system
Cruise control system
Cruise engaged input
Cyl 2 cntrl
Cyl 3 cntrl
Cyl 4 cntrl
Cyl 5 cntrl
Cyl 6 cntrl
Cyl 8 cntrl
Ect sens low ref
Ect sens sig
Egr 5v ref
Egr position sig
Egr sens low ref
Egr valve low ref
Engine coolant temperature (ect) sensor (right rear of engine, below egr valve)
Engine oil level switch (left side of oil pan)
Evap purge sol cntrl
Fan high spd cntrl
Ftp sens 5v ref
Fuel lvl signal
Fuel tank press low ref
Gen field duty sig
Generator turn on sig
Ho2s htr low (1,2)
Iat low ref
Icm 1 low ref
Icm 2 low ref
Knock sens low ref
Knock sens sig
Knock sensor (ks) (on center top of engine, under manifold top cover)
Map sens 5v ref
Map sens low ref
Nca
Oil level sw input
Oil press sw input
Pcm ground
Pnk
Powertrain control module (left front corner of engine compt, below air cleaner)
Red
S130
S131
Starter rly cntrl
Starting/ charging system
Tach output
Tcc brake switch input
Tcc pwm sol cntrl
Tft sens low ref
Tft sensor sig
Tp sens 5v ref
Tp sens low ref
Trans range a input
Trans range c input

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Back-up Lamps Wiring Diagram for Cadillac Seville SLS 2003:

(behind right side of rear seat back) rear integration module
(rear compt harn, left rear of rear compt) s410
Automatic transaxle
Automatic transaxle fluid pressure manual valve position switch
C100
Computer data lines system
G106 (left rear of engine)
G402
Hot at all times
Left back-up lamp
Mirrors system (automatic day/night mirror)
Navigation system (parking assist circuit)
Nsbu fuse 10a
Powertrain control module (left front of eng compt, below air cleaner)
Rear fuse block (under left rear seat)
Reverse relay
Reverse rly ctrl
Right back-up lamp
S130
S413
Serial data
Splice pack sp402 (left side of rear compt)
Tr sw input a
Tr sw input b

Exterior Lamps Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Exterior Lamps Wiring Diagram for Cadillac Seville SLS 2003:

(left headlamp harn, near left headlamp) s103
(left headlamp harn, near left headlamp) s104
(left taillamp harn, near left taillamp) s402
(not used)
(rear compt lamp harn, near right license lamp)
(rear compt lamp harn, near right license lp) s407
(rear compt lid lamp harn, near right license lamp) s405
(right side of engine compt) splice pack sp401
(right taillamp harn, near right taillamp)
A12
B11 right turn signal ind
B12 left turn signal ind c1
Batery
Batt
Battery
C1 a5
C1 c5
C2 f8
C3 b12
C3 e3
Center high mounted stoplamp
Ctrl power
Dash integration module (right side of dash, near blower motor)
Dim fuse 10a
Dim r fuse 10a
F12
G200
G201
G401
G402
Grd
Ground
Haz in
Hazard switch
Hazard switch assembly
Hazard switch illum
Head
Headlamp switch
Headlamp system
Hot at all times
Hot in run or start
Ign 1 fuse 10a
Ign sw fuse 15a
Instrument cluster system
Instrument panel cluster (ipc)
Interior lights
Left
Left cornering lamp
Left front marker lamp
Left front park/ turn signal lamp
Left rear turn signal lamp
Left tail lamps
Left tail/ stop lamp
Left turn in
License lamps
Lp pk l fuse 15a
Lp pk r fuse 15a
Nca
Near right license lp)
Off
Park
Pk lp ctrl
Pnk
Prk lmp in
Prk lp relay
Rear fuse block (under left rear seat)
Right
Right cornering lamp
Right front marker lamp
Right front park/ turn signal lamp
Right rear turn signal lamp
Right tail lamps
Right tail/ stop lamp
Right turn in
Right turn out
S100
S102
S115
S210
S212
S403
S404
S409
S412
S413
Splice pack sp200 (left kick panel)
Splice pack sp201 (right kick panel)
Splice pack sp401 (right side of rear compt)
Splice pack sp402 (left side of rear compt)
Stop lp fuse 15a
Stoplamp/ a/t trans- mission shift lock control switch
Taillamp resistor (left rear corner of trunk lid)
Taillamp resistor (right rear corner of trunk lid)
Theft ctrl
Tsig/ haz fuse 15a
Turn signal switch
Turn signal/ hazard flasher module
Underhood fuse block

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Cadillac Seville SLS 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Cadillac Seville SLS 2003:

(engine harn, 15 cm from ebcm & transmission break- out of harness)
(left front corner of pass compt, under front of sill trim plate) splice pack sp200
(not used)
(steering column harn, near steering wheel control connector)
A/c comp- ressor clutch
A/t fluid pressure manual valve position switch
A/t shift lock control solenoid
A11
A18
Accy relay
Ashtray lamp
Auxiliary power outlet
B12
Battery
Braided
Brake fluid level switch
Cigar lighter
Cool fan s/p relay
Coolant level switch
Cruise control module (ccm)
Dash integration module
Data link connector
Driver door module (ddm)
Driver heated seat switch
Driver information center (dic)
E16
Electronic brake control module
Engine oil level switch
Engine oil pressure (eop) switch
F11
Front passenger heated seat switch
Fuse block
G101
G104
G105 (right side of engine compt)
G106 (left rear of engine)
G108 (right rear of engine)
G109 (lower left front corner of engine)
G110 (left rear of engine)
G200
G202
G303 (left side of rear shelf)
G304 (right side of rear shelf)
G306 (under right front seat)
G307 (under right side of rear seat)
Headlamp dimmer switch
Headlamp switch
Horn a note
Horn f note
Horn switch
Hvac control assembly auxiliary
Ign-1 relay
Ignition control module (icm) (bank 1)
Ignition control module (icm) (bank 2)
Inflatable restraint sensing diagnostic module
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Left cooling fan
Left head- lamp ballast (w/ high intensity dis- charge)
Left rear door module (lrdm)
Left steering wheel controls
Mass air flow (maf) sensor
Mode actuator auxiliary
Nca
Onstar cellular antenna
Park brake release solenoid
Power brake (p/b) booster pump assembly
Powertrain control module
Radio
Rear cigar lighter
Rear compartment lid release switch
Rear window defogger grid
Right head- lamp ballast (w/ high intensity dis- charge)
S130
S131 (engine harness, 7 cm from ebcm & transmission break- out of harness)
S212 (i/p harn, 44cm from left driver information center switch)
S249 (steering column harn, near near steering wheel control connector)
S253
S255
S260
S318 (console harn, 4cm from cd player breakout)
S321 (console trim harn, 19 cm from right heated seat seat switch conn)
Secondary air injection (air) pump
Shift control assembly
Sp104 (right side of engine compt)
Splice pack
Splice pack sp101 (left side of engine compt)
Steering column module
Traction control switch
Underhood
Vehicle commun- ication interface module) (vcim)
W/ navigation
Windshield washer fluid level switch
Windshield washer fluid pump
Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 3) for Cadillac Seville SLS 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Cadillac Seville SLS 2003:

(base)
(not used)
(premium)
(right front corner of passenger compt, under front of sill trim plate) splice pack sp201
A11
Audio amplifier
Blower motor control processor
Cd changer remote playback device
D10
D16
Dash integration module (dim)
Data link connector
Digital radio receiver (if equipped)
Driver heated seat module
Driver seat adjuster switch
Driver seat lumbar switch (if equipped)
Drl relay
E16
F/pump relay
Front ctsy relay
Front passenger door module (fpdm)
Front passenger heated seat module
Front passenger seat adjuster switch
Front passenger seat lumbar switch
G201
G300
G301
H12
Hazard switch
Headlamp switch
I/p compartment lamp switch
Ign-1 relay
Ign-3 relay
Ignition switch
Inside air temperature sensor
Instrument panel integration module
Left driver information center (dic)
Left front seat belt switch
Left rear door module
Left rear heated seat module
Memory seat module
N11
Nca
P11
Player connector)
Radio
Rear compart- ment lid release switch
Rear fuse block
Remote control door lock receiver (rcdlr)
Right rear ctsy relay
Right rear door module
Right rear heated seat module
S10
S203 (i/p harn, 55.5 cm from radio connector)
S210 (i/p harn, 22 cm from left solar sensor harness breakout)
S313 (left seat harn, 52.5 cm from forward/back position sensor)
S315 (right seat harn, 64 cm from right front heated seat module connector)
Splice pack sp300 (under left front seat)
Splice pack sp301 (under left rear seat)
Theft deterrent control module
Traction control switch
Underhood fuse block
W/ memory seats
W/ o power lumbar control seats & heated seats
W/ power lumbar control seats & heated seats
W/o memory seats

Ground Distribution Wiring Diagram (3 of 3) for Cadillac Seville SLS 2003

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Cadillac Seville SLS 2003:

(not used)
(w/o high intensity discharge) left low beam headlamp
(w/o high intensity discharge) right low beam headlamp
10 cm from overhead console harn breakout)
A12
Automatic level control (alc) module
Automatic level control compressor
Cellular telephone module (if equipped)
Center high mounted stop lamp (chmsl)
Electronic stability control (esc) module
Fuel door lock release switch
Fuel pump
Fuel pump & sender assembly
G401
G402
Harn, 14.5 cm from c400)
Inside rearview mirror
Interface unit conn)
Left back-up lamp
Left cornering lamp
Left front fog lamp
Left front park/ turn lamp
Left front side marker lamp
Left license lamp
Left rear turn signal lamp
Left tail lamp
Left tail/ stop lamp
Left vanity mirror lamp
Nca
Outside moisture sensor
Overhead console
Reading lamp switch
Rear compartment key cylinder
Rear compartment lid pulldown motor
Rear integration module
Rear object sensor control module
Right back-up lamp
Right cornering lamp
Right front fog lamp
Right front park/ turn lamp
Right front side marker lamp
Right front signal amp- lifier
Right high beam headlamp
Right license lamp
Right reading lamp switch
Right rear turn lamp
Right tail lamp
Right tail/ stop lamp
Right vanity mirror lamp
S100 (left headlamp harn, 46 cm from high beam connector)
S102 (right headlamp harn, 46 cm from high beam connector)
S114 (forward lamp harn, 10 cm from right headlamp harn breakout)
S309
S409
S412
Splice pack sp310 (near overhead console)
Splice pack sp401 (right rear corner of rear compt)
Splice pack sp402 (left rear corner of rear compt)
Sunroof module
Traffic information receiver (vics)
Underhood fuse block
Vehicle communication interface module
W/ chassis continuous valve real time damping
W/ traffic information receiver
W/chassis continuously variable real time damping magnetorhelogical
W/o traffic information receiver

HORN

Horn Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Horn Wiring Diagram for Cadillac Seville SLS 2003:

A/c system, sound system
A12
B12
C202
D10
Dash integration module (dim) (on right side of dash, near blower motor)
G104
G200
Horn fuse 25 15a
Horn fuse 2a
Horn relay
Horn relay control
Horn switch
Hot at all times
Inflatable restraint steering wheel module
Inflatable restraint steering wheel module coil
Nca
Nca j
Q10
Q11
Right a note horn (behind right front fender)
Right f note horn (behind right front fender)
S10
S11
S253
Sp104 (on right front of engine compt)
Sp200 (left kick panel)
Steering column fuse block
Underhood fuse block (right side of engine compt,near power steering pump)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Cadillac Seville SLS 2003

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Cadillac Seville SLS 2003:

A10
A11
A12
Abs ind
Abs ind signal
Air bag ind
B10
B11
B12
Battery
Brake fluid level signal
Brake fluid level switch (in master cylinder reservoir)
Brake ind
Charge ind
Computer data lines system
Coolant level signal
Cruise ind
Driver information center (dic)
Dspl mode signal
Eng/met signal
Engine controls system
Engine coolant temp ind
Engine coolant temperature gauge
Engine oil pressure ind
Exterior lights system
Fasten seat belt ind
Front fog lamp ind
Fuel gauge
G101
G105 (right side of eng compt)
G200
Ground
High beam ind
Hot at all times
Hot in on or start
Ign 1 fuse 10a
Ignition
Info down signal
Info reset signal
Info up signal
Instrument cluster
Interior lights system
Ip fuse 10a
J/b (left kick panel)
Left turn ind
Left turn signal
Lights on ind
Logic
Malfunction ind lamp (mil)
On/off signal
Park brake signal
Pnk
Rear fog lamp ind
Rear fuse block (under left rear seat)
Right turn ind
Right turn signal
S212
Security ind
Serial data class 2
Speedometer
Splice pack 101 (left side of eng conpt)
Tachometer
Tachometer signal
Traction control ind
Trip a/b signal
Trip reset signal
Underhood fuse block (on right side of engine compt, near power steering pump)
Vehicle speed signal
Vf display
Washer sol level signal
Windshield washer fluid level switch

Instrument Cluster Wiring Diagram (2 of 2) for Cadillac Seville SLS 2003

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Cadillac Seville SLS 2003:

(body harn, left of instrument panel, 26 cm from grommet at base of left strut tower)
Coolant level switch (in bottom of coolant reservoir)
Dspl mode
Electronic brake control module (ebcm) (on left front corner of engine compt, below air cleaner housing)
Eng/ met
Engine oil level switch (on left front side of engine, near a/c compressor)
Engine oil pressure switch (on left side of engine, near oil filler adapter)
G101
G106 (left rear of eng)
G200
G201
Ignition switch
Info down
Info reset
Info up
Left driver information center (dic) switch
Oil lvl sig
Oil pres sig
On/ off
Park brake release switch
Pnk
Powertrain control module (at left front corner of engine compt, below air cleaner)
Right driver information center (dic) switch
S131
S201
S203
S212
Spice pack sp200 (left kick panel)
Spice pack sp201 (right kick panel)
Splice pack sp101 (left side of eng compt)
Tacho out
Trip a/b
Trip reset
Vss out

MEMORY SYSTEMS

Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac Seville SLS 2003:

5v ref
A class 2 data line b
Battery
Computer data lines system
G200 (left kick panel)
Ground
Hot at all times
Mem t&t fuse 10a
Out
Pnk
Pwr t&t fuse 30a
Rear fuse block
Red
S302
Steering column module (behind left side of dash)
Tele pos sig
Telescope actuator
Tilt actuator
Tilt mtr dn
Tilt mtr fwd
Tilt mtr rwd
Tilt mtr up
Tilt pos sig
Tilt/ telescope switch
Tilt/tele sw

Memory Seat & Mirrors Wiring Diagram (1 of 2) for Cadillac Seville SLS 2003

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List of elements for Memory Seat & Mirrors Wiring Diagram (1 of 2) for Cadillac Seville SLS 2003:

(left seat harn, 33 cm from forward/backward position sensor)
(left seat harn, 36 cm from forward/ backward position sensor)
(pins d & e not used)
Adjuster motor
Backward ctrl
Batt (+)
Class 2 serial data line
Computer data lines system
Down
Driver head rest motor
Driver head rest position
Driver seat adjuster switch
Driver seat front vertical
Driver seat lumbar switch
Driver seat recline motor
Driver seat recline position
E tan
E10
E11
E12
E13
E14
E15
E16
Entire seat back
Entire seat back in
Entire seat forward
Entire seat forward in
F10
F11
F12
F13
F14
F15
F16
Forward ctrl
Front height ctrl down
Front height ctrl up
Front height down
Front height down in
Front height pos sens
Front height up
Front height up input
Fwr/bwd pos in
G201
Gnd
Headrest ctrl down
Headrest ctrl up
Headrest down
Headrest down in
Headrest pos sensor
Headrest up
Headrest up in
Hot at all times
Lumbar ctrl down
Lumbar ctrl in
Lumbar ctrl out
Lumbar ctrl up
Lumbar down input
Lumbar in input
Lumbar in/out pos in
Lumbar n inputup
Lumbar out input
Lumbar up/down pos in
Mem t&t fuse 10a
Memory seat module (under left front seat)
Out
Pnk
Position sensor
Pwr seat circuit breaker 30a
Rear height ctrl down
Rear height ctrl up
Rear height down
Rear height down in
Rear height pos sensor
Rear height up
Rear height up input
Rear junction block
Recline back
Recline back in
Recline ctrl back
Recline ctrl forward
Recline forward
Recline forward in
Recline position sensor
S313
S323
S324
S326
Sensor
Sensors feed
Sensors return
Solid state
Splice pack sp201 (right front corner of passenger compt, under front of sill trim plate)
Tan

Memory Seat & Mirrors Wiring Diagram (2 of 2) for Cadillac Seville SLS 2003

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List of elements for Memory Seat & Mirrors Wiring Diagram (2 of 2) for Cadillac Seville SLS 2003:

(left front door trim harn, 57 cm from power door lock switch conn)
(left lumbar harn, 50 cm from c314)
1 input
2 input
Adjuster motor
Batt(+)
Class 2 serial data
Computer data lines system
Down
Down ctrl
Driver door module (in front of left front door, near radio speaker)
Driver outside rearview mirror
Driver seat horizontal
Driver seat lumbar horizontal motor
Driver seat lumbar horizontal position sensor
Driver seat lumbar vertical motor
Driver seat lumbar vertical position sensor
Driver seat rear vertical
Driver window switch
Exit
Front passenger door module (in front of right front door, near radio speaker)
Gnd
Horizon pos sens in
Horizontal
Interior lights system
Left
Left ctrl
Left mir
Memory set
Memory/personalizaton function switch
Mirror switches
Motor
Passenger outside rearview mirror
Pnk
Position sensor
Rear door modules
Red
Right
Right ctrl
Right mir
S303 (body harn, 14 cm from c300 connector harn breakout)
S329
S500
Serial data
Set input
Solid state
Tan
Up ctrl
Vertical
Vertical pos sens in

NAVIGATION

Navigation Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Navigation Wiring Diagram for Cadillac Seville SLS 2003:

A w/ voice rec mic
B w/o voice rec mic
Bare
Cellular mic sig
Cellular telephone module (under right side of rear speaker shelf)
Class 2 serial data
Coax cable
Computer data lines system
Drain wire
E16
F14
F15
F16
G200 (left front corner of passenger compt, under front of sill trim plate)
Global positioning satellite antenna (under right side of rear speaker shelf)
Gps antenna sig
Ground
Hot at all times
Instrument cluster system
Nav fuse 10a
Power distribution system
Radio
Rear fuse block
S212
Splice pack sp200
Tan
Vehicle communication interference module (behind right rear seat back)
Vss
W/ telephone provision
W/o telephone provision

Parking Assistant Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Parking Assistant Wiring Diagram for Cadillac Seville SLS 2003:

Amber center ind ctrl
Amber center indicator
Amber outside ind ctrl
Amber outside indicator
Backup lamp voltage
Diagnostic input
Exterior lights system
G401 (right rear corner of rear compt, near c403 connector)
Ground
Hot at all times
Hot in on or start
Ign 1 fuse 10a
Instrument cluster system
Left rear corner object sensor (on left corner of rear bumper fascia)
Left rear middle object sensor (on left middle of rear bumper fascia)
Low ref
Lr corner sensor sig
Lr middle sensor sig
Nsbu fuse 10a
Pnk
Rear fuse block
Rear integration module (behind right side of rear seat back)
Rear object sensor control module (in right side of rear compartment)
Rear park chime sig
Rear parking assist diagnostic connector (at right side of rear compt)
Rear parking assist display
Red
Red ind ctrl
Red indicator
Rev relay voltage
Reverse relay 45
Right rear corner object sensor (on right corner of rear bumper fascia)
Right rear middle object sensor (on right middle of rear bumper fascia)
Rr corner sensor sig
Rr middle sensor sig
S407 (in ultrasonic rear parking assist harn, 36.5 cm from c408)
S408 (trailer harn, 13.5 cm from taillamp connector)
Sensor low ref
Sensor signal
Sensor voltage
Splice pack sp401
Telltail assy voltage
Vss signal

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for Cadillac Seville SLS 2003

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List of elements for Power Distribution Wiring Diagram (1 of 6) for Cadillac Seville SLS 2003:

A/c clu fuse 15a
A/c clu relay
Accy fuse 15a
Accy relay
Air pump fuse 50a
Automatic transaxle
B10
Battery
Coil mdl fuse 20a
Cruise control module (ccm)
Cruise fuse 10a
Dash integration module (dim)
Drl fuse 15a
Drl relay
E10
Evaporative emissions (evap) canister purge solenoid
Fog fuse 10a
Fog lp relay
From acc relay (diagram 1 of 6)
From underhood fuse block (diagram 1 of 6)
Fuel injectors
G104
Generator
Hdhi bml fuse 10a
Hdhi bmr fuse 10a
Hdlo bml fuse 15a
Hdlo bmr fuse 15a
Hdlp hi bm relay
Hdlp lo bm relay
Headlamp dimmer switch
Heated oxygen sensor (ho2s) (b1, s2)
Heated oxygen sensor (ho2s) (b2, s1)
Ign 1 fuse 10a
Ign 1 relay
Ignition control module (icm) bank 1
Ignition control module (icm) bank 2
Inj 1 fuse 10a
Inj 2 fuse 10a
Left headlamp balast
Left high beam headlamp
Left low beam headlamp
M11
Mass air flow (maf) sensor
Nca
Outside moisture sensor (if equipped)
Oxy sen fuse 10a
Park lp relay
Pcm ign fuse 10a
Pnk
Power- train control (pcm) module
Rear fuse block
Red
Right headlamp balast
Right high beam headlamp
Right low beam headlamp
Secondary air injection (air) pump relay
Secondary air injection (air) solenoid
Splice pack sp104 (right front side of engine compt)
Start 1 relay
Start circuit breaker 30a
Starter solenoid
Tan
To air pump fuse (diagram 1 of 6)
To c/ltr fuse (diagram 3 of 6)
To ign 1 relay (diagram 1 of 6)
To ignition switch (connector c1, pin b) (diagram 4 of 6)
To ignition switch (connector c1, pin c) (diagram 4 of 6)
To pcm batt fuse (diagram 2 of 6)
To rear fuse block (diagram 2 of 6)
To trans fuse (diagram 6 of 6)
Trans fuse 10a
Underhood fuse block
V10
W/hid
W/o hid
Windshield wiper motor
Windshield wiper/ washer switch
Wsw fuse 30a

Power Distribution Wiring Diagram (2 of 6) for Cadillac Seville SLS 2003

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List of elements for Power Distribution Wiring Diagram (2 of 6) for Cadillac Seville SLS 2003:

(left headlamp harn, 52 cm from high beam head- lamp connector)
(left taillamp harn, 8 cm from p402) s402
(not used)
(rear compt lid lamp harn, 27 cm from left rear license lamp)
(rear compt lid lamp harn, 27 cm from right rear license lamp)
(rear compt lid lamp harn, 27 cm from right rear license lamp) s405
(right headlamp harn, 52 cm from high beam head- lamp connector)
8 cm from p403) s403
A10
Abs fuse 50a
Aldl fuse 10a
Cool fan 1 fuse 30a
Cool fan 1 relay (low)
Cool fan 2 fuse 30a
Cool fan 2 relay (high)
Cool fan s/p relay
Dash integration module (dim)
Data link connector (dlc)
Digital radio receiver (w/ digital audio system)
Dim r fuse 10a
Electronic brake control module (ebcm)
From battery (diagram 1 of 6)
From lp pk r g fuse (diagram 2 of 6)
From rr ctsy relay (diagram 2 of 6)
From underhood fuse block (diagram 1 of 6)
Frt ctsy relay
Fuse block- underhood
G10
G11
Horn fuse 15a
Horn relay
Htdst lr fuse 10a
I/p fuse 10a
Ignition key cylinder lamp
In ultrasonic rear parking assist harn, 36.5 cm from c408) s407
Instrument panel cluster (ipc)
Instrument panel integration module (ipm)
Int lp fuse 10a
Int lp relay
L11
L12
Left front park/ turn signal lamp
Left license lamp
Left rear heated seat module
Left tail lamp
Left tail/ stop lamp
Left taillamp resistor (left rear corner of trunk lid)
Lp pk l fuse 15a
Lp pk r fuse 15a
Marker lamp
Nav fuse 10a
Nca
Pcm batt (or pcm) fuse 10a
Powertrain control module (pcm)
Prk lp relay
Radio (w/ nav- igation)
Radio connector) s204
Rear fuse block
Red
Right front park/turn signal lamp
Right license lamp
Right tail lamp
Right tail/ stop lamp
Right taillamp resistor (right rear corner of trunk lid)
Rr ctsy relay
S103
S104
S11
S404
S406
Sdar fuse 5a
Theft deterrent control module
To dim r fuse (diagram 2 of 6)
To ign sw fuse (diagram 3 of 6)
To nav fuse (diagram 2 of 6)
To pwr seat circuit breaker (diagram 6 of 6)
Turn signal switch
Underhood fuse block
Underhood lamp
Valet switch

Power Distribution Wiring Diagram (3 of 6) for Cadillac Seville SLS 2003

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List of elements for Power Distribution Wiring Diagram (3 of 6) for Cadillac Seville SLS 2003:

(base)
(body harn, under left front seat) s302
(left seat harn, under left front seat) s326
(premium)
A10
A12
Audio amp fuse 30a
Audio amplifier
Aux pwr fuse 20a
Auxiliary power outlet
B+ mode
B11
B12
Battery saver mode
Blower motor control processor
C/ltr fuse 20a
C10
Cigar fuse 40a
Cigar lighter
Cigar relay
D10
D11
D12
Dash integration module (dim)
Dim fuse 10a
Driver seat adjuster switch
Driver seat lumbar switch
E10
E12
F12
From air pump fuse (diagram 1 of 6)
From audio k amp fuse (diagram 3 of 6)
From htdst lr i fuse (diagram 2 of 6)
Fuse block- underhood
G200
Generator
Gnd
Hazard switch
Htdst lf fuse 10a
Htdst rf fuse 10a
Htdst rr fuse 10a
Hvac blo fuse 30a
Ign sw fuse 15a
Left front heated seat module
Mem t&t fuse 10a
Memory seat module (msm)
Pnk
Pwr
Pwr t&t fuse 30a
Rap fuse 20a
Rap relay
Rear cigar lighter
Rear fuse block
Rear integration module (rim)
Red
Remote control door lock receiver (rcdlr)
Right front heated seat module
Right rear heated seat module
S318
Splice pack sp200 (left front corner of passenger compt, under front of sill trim plate)
Steering column module
Stop lp fuse 15a
Stoplamp switch
Sunroof module
To ignition switch pin a (diagram 4 of 6)
To pwr wdo circuit breaker (diagram 4 of 6)
To stop lp fuse (diagram 3 of 6)
Tsig/ haz fuse 15a
W/ lumbar
W/auto contour

Power Distribution Wiring Diagram (4 of 6) for Cadillac Seville SLS 2003

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List of elements for Power Distribution Wiring Diagram (4 of 6) for Cadillac Seville SLS 2003:

(diagram 4 of 6)
(i/p harness, 94.5 cm (from radio connector) s205
Acc
Automatic level control (alc) compressor
Automatic level control (alc) module
B10
Body fuse 15a
Dash integration module (dim)
Driver door module (ddm)
Drv mdl fuse 10a
Elc fuse 30a
Elc relay
Electronic suspension control (esc) module
F/pmp fuse 20a
F/pmp relay
F/tnk dr rel relay
From acc relay (diagram 1 of 6)
From ign 1 relay (diagram 1 of 6)
From ignition switch fuse (connector c1, pin e9) (diagram 3 of 6)
From rap l fuse (diagram 3 of 6)
From rear fuse block m
Front passenger door module (fpdm)
H10
Ignition switch
L10
Left rear door module (lrdm)
Mr cvrtd fuse 20a
Nca
Nsbu fuse 10a
Off
Park brk fuse 20a
Park relay
Pass mdl fuse 10a
Pnk
Powertrain control module (pcm)
Prk brk a relay
Prk brk b relay
Pwr wdo circuit breaker 30a
Rear fuse block
Red
Reverse relay
Right rear door module (rrdm)
Rr blo fuse 10a
Rr blo relay
Rr defog fuse 40a
Rr defog relay
Rr dr mdl fuse 10a
Start
Theft deterrent control module
To ign 1 relay (diagram 5 of 6)
To ign 3 rr relay (diagram 5 of 6)
To rr blo fuse (diagram 4 of 6)
Trk relay
V10
W/chassis continuously variable real time damping magnetor- helogical or chassis continuous valve real time damping
W/o chassis continuously variable real time damping magnetor- helogical or chassis continuous valve real time damping

Power Distribution Wiring Diagram (5 of 6) for Cadillac Seville SLS 2003

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List of elements for Power Distribution Wiring Diagram (5 of 6) for Cadillac Seville SLS 2003:

(diagram 4 of 6)
(rear heated seat back harn, 11.5 cm from c306) s310
A10
A11
Abs fuse 10a
Automatic level control (all) module
Auxiliary hvac control assembly
Auxiliary mode actuator
B10
C11
C12
D10
D11
Dash integration module (dim)
Driver heated seat module
E11
Elc relay
Electronic brake control module (ebcm)
Electronic suspension control (esc) module
Evaporative emissions (evap) canister vent solenoid
F11
F12
From fuse block- rear p (diagram 4 of 6)
From fuse block-rear (diagram 4 of 6)
From ign 1 relay (diagram 5 of 6)
From ignition switch connector c1, pin b n
From ignition switch pin c, conn c2 r
Front passenger heated seat module
Fuse holder- steering column
G304
H11
H12
Hvac fuse 10a
Ign 1 fuse 10a
Ign 1 relay
Ign 3 rr fuse 10a
Ign 3 rr relay
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside air temperature sensor
Inside rearview mirror
Instrument panel cluster (ipc)
Instrument panel integration module (ipm)
J/b (under left side of rear seat)
Left air temperature actuator
Left rear heated seat module
Mode actuator
Nca
Park relay
Pnk
Prk brk a relay
Prk brk b relay
Rear fuse block
Rear integration module (rim)
Rear object sensor control module
Recirculation actuator
Reverse lockout solenoid
Right air temperature actuator
Right rear heated seat module
Rr blo relay
Rr defog relay
S274 (hvac harn, right side of dash)
Sir fuse 15a
Steering wheel controls left
Switch fuse 2a
Tcc/cruise release switch
To ign 3 rr relay (diagram 5 of 6)
Turn signal switch
V11
Vent sol fuse 10a
W/chassis continuously variable real time damping magnetor- helogical or chassis continuous valve real time damping
W/o chassis continuously variable real time damping magnetor- helogical or chassis continuous valve real time damping

Power Distribution Wiring Diagram (6 of 6) for Cadillac Seville SLS 2003

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List of elements for Power Distribution Wiring Diagram (6 of 6) for Cadillac Seville SLS 2003:

(in onstar jumper harness, between c345 & breakout of vehicle interface unit connector) s361
(left seat harness, 42 cm from left lumbar switch conn) s312
(right seat harness, 57 cm from right front heated seat module conn) s314
Audio fuse 15a
Automatic transaxle
Cd changer- remote playback device
Cellular telephone module
Driver seat adjuster switch
Driver seat lumbar switch
E12
E16
F12
From fuse block- underhood (diagram 1 of 6)
From prk lp relay w (diagram 2 of 6)
From pwr seat circuit breaker (diagram 6 of 6)
Front passenger seat adjuster switch
Front passenger seat lumbar switch
If equipped
Memory seat module (msm)
Nca
Pcm (or pcm ign) fuse 10a
Pnk
Powertrain control module (pcm)
Pwr seat circuit breaker 30a
Radio
Rear fuse block
Start relay
To audio amp fuse (diagram 6 of 6)
Trans fuse 10a
Underhood fuse block
Vehicle communication interface module (vcim)
W/control seat, power lumbar
W/memory seat adjuster, mirror power driver personalization
W/o control seat, power lumbar
W/o memory seat adjuster, mirror power driver personalization

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Power Door Locks Wiring Diagram for Cadillac Seville SLS 2003:

(body harn, left side of passenger compt)
(lf door harn, in lf door)
(lr door harn, in lr door)
(rf door harn, in rf door)
(rr door harn, in rr door)
Actuator dr
Battery
Class 2 data
Computer data lines
Door ajar
Driver door lock actuator
Driver door lock switch
Driver power window switch
Drvmdl fuse 5 10a
E10
Front passenger door lock actuator
Front passenger door lock switch
Front passenger door module (front of right front door)
G200 (left kick panel)
G201 (right side of i/p)
G300 (under left front seat)
G301 (under left rear seat)
Grd
Ground
Hot at all times
Ign sw fuse 29 15a
Interior lights system
Key unlock
Left front door module (front of left front door)
Left rear door lock actuator
Left rear door lock switch
Left rear door module (in lr door)
Lock
Memory systems
Pass mdl fuse 25 10a
Power windows system
Pwr wdo circuit breaker 57 30a
Rear fuse block
Remote control door lock receiver (under rear package shelf)
Right rear door lock actuator
Right rear door module (in rr door)
Right rear power door lock switch
Rrdr mdl fuse 18 10a
S303
S500
S600
S800
Serial data
Splice pack sp200
Splice pack sp201
Splice pack sp300
Splice pack sp301
Tan
Tan a
Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Electrochromic Mirror Wiring Diagram for Cadillac Seville SLS 2003:

Automatic day-night mirror element
Automatic day/night mirror element
C/m
Compass display
Compass/ mirror input
Computer data lines system
Data
Direction input
Driver door module (ddm) (in front of left door, near radio speaker)
Driver outside rear view mirror
Exterior lights system
Fluxgate sensor
Forward light sensor
G402 (left side of rear compartment)
Ground
Hot at all times
Hot in run
Ign1 fuse 10a
Inside rear view mirror
Logic
Mirror input
Nsbu fuse 10a
Off
Pnk
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right side of rear seat back)
Rearward light sensor
Rev rly ctrl
Reverse input
Reverse relay
S309
Sensor input
Splice pack sp402
Switch backlight
Tint level output
W/compass
W/o compass

Power Mirror Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Power Mirror Wiring Diagram for Cadillac Seville SLS 2003:

(body harn, left passenger compt, 5.5 in from 18-pin connector under left front seat)
(left front door trim harn, 22.4 in from door lock switch connector) s500
(left kick panel)
(right kick panel)
A7 c3
Battery (b+)
Battery b+
Bus interface
Computer data lines system
Defogger system (heated mirror)
Down ctrl
Driver door module (ddm)
Driver outside rear view mirror
Driver window switch
Drv mdl fuse 10a
E2 c3
Electrochromic mirror circuit
F1 c3
F2 c3
Front passenger door module (fpdm)
G200
G201
Ground
Heating element
Horizontal motor
Hot at all times
Interior lights system
L mirror input
Left
Left ctrl
Left mirror
Left rear door module
Memory systems
Mirror dn input
Mirror l input
Mirror r input
Mirror up input
Pass/mdl fuse 10a
Passenger outside rear view mirror
Pnk
Pwr wdo circuit breaker 30a
R mirror input
Rear fuse block (under left rear seat)
Right
Right ctrl
Right mirror
Right rear door module
S303
Serial data
Splice pack sp200
Splice pack sp201
Up ctrl
Vertical motor

POWER SEATS

Front Seat Heater Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Front Seat Heater Wiring Diagram for Cadillac Seville SLS 2003:

(body harn, under right rear seat cushion)
(under left front seat) driver heated seat module
C2 c4
C3 f9
Driver heated seat back element
Driver heated seat cushion element
Driver heated seat switch
E11
Front heated status
Front passenger heated seat back element
Front passenger heated seat cushion element
Front passenger heated seat module (under right front seat)
Front passenger heated seat switch
G200 (left kick panel)
G201 (right kick panel)
Heated seat sw
Heating element
Hi heat
Hot at all times
Hot in on
Htdst lf fuse 10a
Htdst rf fuse 10a
Ign 3 rr fuse 10a
Inhibit ctrl
Interior lights system
Lo heat
Nca
Nca controlled gnd nca temp sens input nca gnd
Nca heater ctrl nca
Nca ign nca batt (+) nca heated seat sw input nca low heat led feed nca gnd nca high heat led feed nca status output nca inhibit in
Nca ign nca batt (+) nca htd seat sw input nca low heat led feed nca gnd nca hi heat led feed nca status output nca inhibit in
Pnk
Rear fuse block
Rear heated seat module
Rear integration module (behind right side of rear seat back)
S306
S307
S313
S315
S321
Splice pack sp200
Splice pack sp201
Tan
Thermistor

Headrest, Recliner & 6-Way Power Seat Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Headrest, Recliner & 6-Way Power Seat Wiring Diagram for Cadillac Seville SLS 2003:

Back
Driver seat adjuster switch
Driver seat front vertical motor
Driver seat headrest motor
Driver seat horizontal motor
Driver seat rear vertical motor
Driver seat recline motor
E12
Entire seat
F12
Front passenger seat adjuster switch
Front passenger seat front vertical motor
Front passenger seat headrest motor
Front passenger seat horizontal motor
Front passenger seat rear vertical motor
Front passenger seat recline motor
Front vertical
Fwd
G201 (right kick panel)
Headrest
Hot at all times
Nca
Pwr seat circuit breaker 30a
Rear fuse block
Rear vertical
Recline
S312 (w/ lumbar)
S313
S314 (w/ lumbar)
S315 (w/ lumbar)
Solid state
Splice pack sp201
Tan

Lumbar Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Lumbar Wiring Diagram for Cadillac Seville SLS 2003:

Back
Down
Driver seat front vertical motor
Driver seat horizontal motor
Driver seat lumbar switch
E12
F12
Forward
Front passenger seat front vertical motor
Front passenger seat horizontal motor
Front passenger seat lumbar switch
G201 (right kick panel)
Hot at all times
Pnk
Pwr seat circuit breaker 30a
Rear fuse block
S312
S313
S314
S315
Solid state
Splice pack sp201
Tan

Rear Heated Seats Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Rear Heated Seats Wiring Diagram for Cadillac Seville SLS 2003:

(body harn, under right rear seat cushion)
(in center of left rear seat) left rear heated seat module
(rear heated seat back harn, under rear seat)
C1 f11
Computer data lines system
D12 c3
Driver heated seat module (under left front seat)
Front passenger heated seat module (under right front seat)
G301 (under left rear seat)
Gnd
Heated seat sw
Heated seat sw input
Heating element
Hi heat
High heat led feed
Hot at all times
Hot in on
Htdst lr fuse 10a
Htdst rr fuse 10a
Ign 3 rr fuse 10a
Inhibit ctrl
Interior lights system
Left rear door module (in front of left rear door, near radio speaker)
Left rear heated seat back element
Left rear heated seat cushion element
Left rear heated seat switch
Lo heat
Low heat led feed
Lr heated seat ctrl
Nca
Nca controlled gnd nca temp sens input nca gnd
Nca heater ctrl nca
Nca ign nca batt (+) nca heated seat sw input nca gnd nca inhibit in
Nca inhibit in
Pnk
Rear fuse block
Rear integration module (behind right side of rear seat back)
Right rear door module (in front of right rear door, near radio speaker)
Right rear heated seat back element
Right rear heated seat cushion element
Right rear heated seat module (in center of right rear seat)
Right rear heated seat switch
Rr heated seat ctrl
S307
S310
S311
S701 (left rear door trim harn, in left rear door)
S800 (right rear door trim harn, in right rear door)
Simple bus interface
Splice pack sp301
Thermistor

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Power Top/Sunroof Wiring Diagram for Cadillac Seville SLS 2003:

(seville) (deville)
Battery
C2 f6
Close
Closed
Deville
Express in
Express- open
G401
Ground
Hot at all times
Limit sw
Limit switch
Motor ctrl
Nca
Not used
Open
Overhead console
Pnk
Power sun roof slide switch
Power sun roof vent switch
Rap ctrl
Rap fuse 20a 30a
Rap relay
Rear fuse block (under left rear seat)
Rear integration module (behind right side of rear seat back)
Red
Seville
Slide close
Slide open
Sp401 (right rear corner of luggage compartment)
Sun roof module (above headliner, near rear of sun roof)
Sunroof motor (above headliner, near rear of sun roof)
Vent close
Vent open

POWER WINDOWS

Power Windows Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Power Windows Wiring Diagram for Cadillac Seville SLS 2003:

(body harness, left of passenger compartment approximately 14 cm (5.5 in) from 18 cavity black in-line connector under driver's seat)
(left front door trim harness, left front door approximately 57 cm (22.4 in) from power door lock switch connector)
Battery
C c c
Down
Down down
Driver door module (ddm)
Driver window motor
Driver window switch
Drv mdl fuse 10a
Express down
Express input
Front passenger door module (fpdm)
Front passenger window motor
Front passenger window switch
G200 (left kick panel)
G201 (right kick panel)
G3oo (under left front seat)
Ground
High data
Hot at all times
Left rear door module (lrdm)
Left rear window motor
Left rear window switch
Low ref
Motor control
Norm data
Normal data
Pass mdl fuse 10a
Pnk
Powertrain control module (pcm) (at left front corner of engine compartment, below air cleaner)
Pwr wdo circuit breaker 30a
Rear fuse block
Right rear door module (rrdm)
Right rear window motor
Right rear window switch
Rrdr mdl fuse 10a
S200 (body harness, left of dash, approximately 70 cm (27.6 in) from grommet lower left of engine compartment, near base of strut tower)
S303
S500
S601 (right front door trim harness, right front door approximately 25 cm (9.8 in) from power window switch connector)
S701 (left rear door trim harness, approximately 22 cm (8.7 in) from 18 cavity black in-line connector in left rear door)
S800 (right rear door trim harness, right rear door approximately 18 cm (7.1 in) from 18 cavity black in-line connector in right rear door)
Serial data
Splice pack sp200
Splice pack sp201
Splice pack sp300

RADIO

Radio Wiring Diagram, with Bose with Satellite (1 of 2) for Cadillac Seville SLS 2003

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List of elements for Radio Wiring Diagram, with Bose with Satellite (1 of 2) for Cadillac Seville SLS 2003:

A11
A12
Ant in
Ant power
Antenna
Aud common
Audio gnd
Bare
Cellular telephone system
Chime gnd
Chime out +
Chime out -
Coax
Computer data lines
Computer data lines system
Dash integration module (right side of dash)
Data line
Digital radio antenna
E10
E11
E12
E13
E14
E15
E16
F10
F11
F12
F13
F14
F15
F16
Fm compos
G200 (under left front seat)
G203 (right kick panel)
G300 (right kick panel)
G300 (under left front seat)
Ground
Hot at all times
Inflatable restraint steering wheel module coil
Int lps
Interior lights system
Left side steering wheel controls
Lf aud sig +
Lt audio +
Lt audio -
Nav fuse 10a
Nca
Radio
Red
Right side steering wheel controls
Rt aud sig
Rt audio +
Rt audio -
S210
S212
S227 (steering pad jumper harn left side of dash)
Steering column fuse holder
Sw1
Sw2
Sw3
Sw4
Sw5
Sw6
Sw7
Sw8
Switch fuse 2a
Tan
Wheel controls

Radio Wiring Diagram, with Bose with Satellite (2 of 2) for Cadillac Seville SLS 2003

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List of elements for Radio Wiring Diagram, with Bose with Satellite (2 of 2) for Cadillac Seville SLS 2003:

(in the body harness, approx. 6.5 cm from the audio amplifier break out)
(under left front seat)
A10
A11
A12
Audio amp fuse 30a
Audio amplifier (behind left side of rear seat)
Audio comm out
Audio fuse 15a
B10
B11
B12
Bare
Battery
Battery voltage
Cd changer-remote playback device
Cd com
Cel phone +
Cel phone -
Cellular telephone system
Chime in
Chime input +
Computer data lines
Computer data lines system
Ctr i/p spkr +
Ctr i/p spkr -
Data line
Enable
Fm select
Front center i/p speaker
Grd
Ground
Hot at all times
Hot at all times rear fuse block
L i/p spkr +
L i/p spkr -
Left audio out
Left front door speaker
Left front i/p speaker
Left rear door speaker
Lf spkr +
Lf spkr -
Lr spkr +
Lr spkr -
Lt aud in
Lt cd
Mic input
Noise cancellation microphone
Radio antenna module (above center rear of headliner)
Rear glass
Rear subwoofer
Red
Rf spkr +
Rf spkr -
Right audio out
Right front door speaker
Right front i/p speaker
Right rear door speaker
Rr dr spkr +
Rr dr spkr -
Rr sub
Rt aud in
Rt cd
Rt i/p spkr +
Rt i/p spkr -
S234
S235
S236
S316
Serial data e&c
Shield grd
Tan
Windshield antenna

Radio Wiring Diagram, with Bose without Satellite for Cadillac Seville SLS 2003

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List of elements for Radio Wiring Diagram, with Bose without Satellite for Cadillac Seville SLS 2003:

(under left front seat)
A nca
A10
A11
A12
Ant power
Antenna
Audio amp fuse 30a
Audio amplifier (behind left side of rear seat)
Audio comm out
Audio fuse 15a
Audio gnd
B10
B11
B12
Bare
Bare a a
Base
Battery
Battery voltage
Cd changer-remote playback device
Cd com
Cel phone +
Cel phone -
Cellular telephone system
Chime gnd
Chime in
Chime input +
Chime out +
Chime out -
Computer data lines system
Ctr i/p spkr +
Ctr i/p spkr -
Dash integration module (right side of dash)
Data line
E10
E11
E12
E13
E14
E15
E16
Enable
F10
F11
F12
F13
F14
F15
F16
Fm compos
Fm select
Front center i/p speaker
G200 (under left front seat)
G203 (right kick panel)
G300
G300 (under left front seat)
Grd
Ground
Hot at all times
Inflatable restraint steering wheel module coil
Int lps
Interior lights system
L i/p spkr +
L i/p spkr -
Left audio out
Left front door speaker
Left front i/p speaker
Left rear door speaker
Left side steering wheel controls
Lf spkr +
Lf spkr -
Lr spkr +
Lr spkr -
Lt aud in
Lt audio +
Lt audio -
Lt cd
Mic input
Nav fuse 10a
Nca
Noise cancellation microphone
Radio
Radio antenna module (above center rear of headliner)
Rear fuse block
Rear glass
Rear subwoofer
Red
Rf spkr +
Rf spkr -
Right audio out
Right front door speaker
Right front i/p speaker
Right rear door speaker
Right side steering wheel controls
Rr dr spkr +
Rr dr spkr -
Rr sub
Rt aud in
Rt audio +
Rt audio -
Rt cd
Rt i/p spkr +
Rt i/p spkr -
S210
S212
S215 (steering pad jumper harn left side of dash)
S316
Serial data e&c
Shield grd
Steering column fuse holder
Sw1
Sw2
Sw3
Sw4
Sw5
Sw6
Sw7
Sw8
Switch fuse 2a
Tan
Windshield antenna

Radio Wiring Diagram, without Bose System for Cadillac Seville SLS 2003

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List of elements for Radio Wiring Diagram, without Bose System for Cadillac Seville SLS 2003:

(under left front seat)
A10
A11
A12
Ant power
Antenna
Audio amp fuse 30a
Audio amplifier (behind left side of rear seat)
Audio comm out
Audio fuse 15a
Audio gnd
B10
B11
B12
Bare
Battery
Battery voltage
Cd changer-remote playback device
Cd com
Cel phn +
Cel phn -
Cellular phone system
Cellular telephone system
Chime gnd
Chime in
Chime out +
Chime out -
Chime rtn
Computer data lines system
Dash integration module (right side of dash)
Data line
Data link connector
E nca
E10
E11
E12
E13
E14
E15
E16
Enable
F10
F11
F12
F13
F14
F15
F16
Fm compos
Fm select
Front i/p speaker
G201 (right kick panel)
G300
Grd
Ground
Hot at all times
Inflatable restraint steering wheel module coil
Int lps
Interior lights system
Left audio out
Left front door speaker
Left rear door speaker
Left side steering wheel controls
Lf out +
Lf out -
Lf tweet +
Lf tweet -
Lr out +
Lr out -
Lt aud +
Lt aud -
Lt audio +
Lt audio -
Lt cd
Mid out +
Mid out -
Nca
Radio
Radio antenna module (above center rear of headliner)
Rear fuse block
Rear glass
Rear subwoofer
Red
Rf out +
Rf out -
Rf tweet +
Rf tweet -
Right audio out
Right front door speaker
Right rear door speaker
Right side steering wheel controls
Rr out +
Rr out -
Rt aud +
Rt aud -
Rt audio +
Rt audio -
Rt cd
S210
S227 (steering pad jumper harn left side of dash)
S316
Serial data e&c
Shield grd
Steering column fuse holder
Sub out +
Sub out -
Sw1
Sw2
Sw3
Sw4
Sw5
Sw6
Sw7
Sw8
Switch fuse 2a
Tan
Windshield antenna

SHIFT INTERLOCK

Park Brake Release Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Park Brake Release Wiring Diagram for Cadillac Seville SLS 2003:

A1 c2
A10
A11
Braided
Class 2 serial data
Computer data lines system
G106 (lower left front corner of engine)
G202
Hot at all times
Hot in run
Instrument panel cluster
Nca
Park brake release solenoid (on park brake pedal)
Park brake release switch (near top of park brake pedal)
Pnk
Powertrain control module (below air cleaner)
Prk brk a relay
Prk brk b relay
Prk brk fuse 20a
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right of rear seat)
Relay cntl
S130
Solenoid a
Solenoid b
Sw sig a
Sw sig b
Sw sig c
Sw sig p
Switch inp
Transmission internal mode switch

Reverse Lockout Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Reverse Lockout Wiring Diagram for Cadillac Seville SLS 2003:

A11
A12
Actuator cntl
B10
Class 2 serial data
Computer data lines system
Dash integration module (dim) (on right side of dash, near blower motor)
G106 (lower left front corner of engine)
Hot in run
Hvac fuse 10a
Powertrain control module (below air cleaner)
Rear fuse block (under left rear seat)
Reverse lockout solenoid (on shifter)
S130
S317
Sw sig a
Sw sig b
Sw sig c
Sw sig p
Transmission internal mode switch

Shift Interlock Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Shift Interlock Wiring Diagram for Cadillac Seville SLS 2003:

A/t shift lock control solenoid (on shifter)
A11
Acc
Class 2 serial data
Computer data lines system
Dash integration module (right side of dash)
G106 (lower left front corner of engine)
G200
Hot at all times
Ignition switch
Lock
Nsbu fuse 10a
Park relay
Powertrain control module (below air cleaner)
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right of rear seat)
Relay cntl
Run
S130
S318
Splice pack sp200 (under left front door sill trim plate)
Start
Stoplamp/ a/t shift lock control switch (near top of brake pedal)
Sw sig a
Sw sig b
Sw sig c
Sw sig p
Transmission internal mode switch

STARTING/CHARGING

Charging Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Charging Wiring Diagram for Cadillac Seville SLS 2003:

(not used) a
(under right side of rear seat, near battery) g307
A11
A12
B12
Battery
Battery charge indicator
Computer data lines system
Dash integration module (dim) (on right side of dash, near blower motor)
Dim fuse 10a
Gen term f input
Gen term l output
Generator
Ground sense
Hot at all times
Instrument cluster
Logig
Power distribution system (rear fuse block)
Powertrain control module (pcm) (at left front corner of engine compartment, below air cleaner)
Rear fuse block (under left rear seat)
Red
Serial data class 2
Solid state
Starter solenoid
Underhood fuse block (right side of engine compartment, near power steering pump)
Voltage sense

Starting Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Starting Wiring Diagram for Cadillac Seville SLS 2003:

Acc
Battery
Crank request input
Dash integration module (dim) (on right side of dash, near blower motor)
G307 (under right side of rear seat, near battery)
Ground distribution system (dash integration module (dim))
Hold in coil
Hot in run & start
Ign positive voltage
Ign sw fuse 15a
Ignition switch
Off
Pcm ign fuse 10a
Powertrain control module (pcm) (at left front corner of engine compartment, below air cleaner)
Pull in coil
Rear fuse block (under left rear seat)
Red
Start
Start 1 relay
Start 1 relay ctrl
Start circuit breaker 30a
Starter motor
Starter solenoid
Starting/charging system (charging circuit)
Underhood fuse block (right side of engine compartment, near power steering pump)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Supplemental Restraints Wiring Diagram for Cadillac Seville SLS 2003:

(left seat harness, 52.5 cm from forward/back position sensor) s313
(on right side of dash, near blower motor) dash integration module (dim)
A10
A11
A12
A13
A14
A15
A16
A17
A18
Air bag indicator
Case ground
Computer data lines system
Data link connector (dlc) (partial) (under left side of dash, near steering column)
G201
G306 (under right front seat, near inflatable restraint sensing & diagnostic module (sdm) connector)
Ground
High control
Hot in run & start
Ignition
Inflatable restraint i/p module
Inflatable restraint sensing & diagnostic module (sdm) (under right front seat)
Inflatable restraint steering wheel module
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Instrument panel integration module (ipm) (behind center of dash above radio)
Left front inflatable restraint side impact module
Left front seat belt pretensioner
Left front seat belt switch (in driver seat belt buckle)
Left inflatable restraint side impact sensor (sis) (on base of left "b" pillar, behind trim panel)
Low control
Nca
Rear fuse block (under left rear seat)
Remote player cd changer
Right front inflatable restraint side impact module
Right front seat belt pretensioner
Right inflatable restraint side impact sensor (sis) (on base of right "b" pillar, behind trim panel)
Seat belt switch
Serial data class 2
Shorting bar
Signal
Sir fuse 15a
Solid state
Sp201 (right front corner of the passenger compartment, under front of sill trim plate)
Tan
Voltage

TRANSMISSION

4.6L VIN 9

4.6L VIN 9, A/T Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN 9, A/T Wiring Diagram for Cadillac Seville SLS 2003:

(lower left front corner of engine) g106
(right rear of engine, below egr valve) engine coolant temperature (ect) sensor
1-2 shift sol
2-3 shift sol
5v ref a
A/t speed sens
Acc on
Automatic transaxle
Automatic transaxle fluid temperature sensor
Automatic transaxle input shaft speed sensor
Battery
C2 a3
C2 a8
C2 e
C3 e7
Class 2 data
Computer data lines system
Cruise control system
D4,d3
Ect sens sig
Extend trvl sw
Extended travel brake switch
G106 (lower left front corner of engine)
Hot at all times
Hot in run or start
Ign 1 fuse 12 10a
Ignition
Ignition switch
Ims a input
Ims b input
Ims c input
Ims p input
Instrument cluster
Malfunction indicator lamp
Mil cntrl
Off
P,r,n,d4
P,r,n,d4,d3
Pcm batt fuse 10a
Pcm ground
Pcm ign fuse 10a
Pnk
Powertrain control module (left front corner of engine compt, inside air cleaner)
Press ctrl sol
Pressure control sol
Rear fuse block (under left rear seat)
Red
Rev
S130
S131
S205
Start
Tan
Tcc brake sw
Tcc pwm sol
Tcc/ cruise switch
Tcc/cruise release switch (near top of brake pedal)
Tfp sw sig a
Tfp sw sig c
Tft sensor high
Tft sensor low
Throttle position sensor (on throttle body)
Tp sens grd
Tp sens sig
Trans fuse 13 10a
Trans- mission fluid pressure (tfp) manual valve position switch
Transmission internal mode switch (ims)
Underhood fuse block (right side of engine compt)
Vehicle speed sensor (on transaxle case extension)
Vss hi (signal)
Vss lo (ground)

4.6L VIN Y

4.6L VIN Y, A/T Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for 4.6L VIN Y, A/T Wiring Diagram for Cadillac Seville SLS 2003:

(lower left front corner of engine) g106
(right rear of engine, below egr valve) engine coolant temperature (ect) sensor
1-2 shift sol
2-3 shift sol
5v ref a
A/t speed sens
Acc on
Automatic transaxle
Automatic transaxle fluid temperature sensor
Automatic transaxle input shaft speed sensor
Battery
C2 a3
C2 a8
C2 e
C3 e7
Class 2 data
Computer data lines system
Cruise control system
D4,d3
Ect sens sig
Extend trvl sw
Extended travel brake switch
G106 (lower left front corner of engine)
Hot at all times
Hot in run or start
Ign 1 fuse 12 10a
Ignition
Ignition switch
Ims a input
Ims b input
Ims c input
Ims p input
Instrument cluster
Malfunction indicator lamp
Mil cntrl
Off
P,r,n,d4
P,r,n,d4,d3
Pcm batt fuse 10a
Pcm ground
Pcm ign fuse 10a
Pnk
Powertrain control module (left front corner of engine compt, inside air cleaner)
Press ctrl sol
Pressure control sol
Rear fuse block (under left rear seat)
Red
Rev
S130
S131
S205
Start
Tan
Tcc brake sw
Tcc pwm sol
Tcc/ cruise switch
Tcc/cruise release switch (near top of brake pedal)
Tfp sw sig a
Tfp sw sig c
Tft sensor high
Tft sensor low
Throttle position sensor (on throttle body)
Tp sens grd
Tp sens sig
Trans fuse 13 10a
Trans- mission fluid pressure (tfp) manual valve position switch
Transmission internal mode switch (ims)
Underhood fuse block (right side of engine compt)
Vehicle speed sensor (on transaxle case extension)
Vss hi (signal)
Vss lo (ground)

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Trunk & Fuel Door Release Wiring Diagram for Cadillac Seville SLS 2003:

A10
A9 c2
Aldl fuse 10a
Body fuse 10a
Clss 2 serial data
Computer data lines system
E1 c2
F/tnkdr rel relay
Fuel door lock release
Fuel door release switch
Fuel door release switch sig
Fuel dr rly ctrl
G200
G402
H10
Hot at all times
Instrument panel integration module (ipm) (behind center of dash, above radio)
K10
L10
N10
Nca
Overhead console
Pnk
Rear compartment lid pulldown motor
Rear compartment lid release switch
Rear compt lock actuator unlock
Rear fuse block (under left rear seat)
Rear integration module (rim) (behind right side of rear seat back)
S212
Sp200 (left kick panel)
Sp400 (left side of rear compt)
Trk relay
Trunk rel rlt ctrl
Trunk release motor
Trunk release switch
Underhood fuse block (right side of engine compartment)
Valet switch

WARNING SYSTEMS

Warning Systems Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Warning Systems Wiring Diagram for Cadillac Seville SLS 2003:

A11
A12
A15
Audio amplifier
B12
Base
Belt sw input
Bose
Chime signal
Class 2 data
Computer data lines system
Dash integration module (dim) (right side of dash, near blower motor)
Drain wire
Driver door lock actuator
Driver door module (ddm) (in front of left front door, near radio speaker)
F11
F12
F13
G200 (left kick panel)
G201 (right kick panel)
Ground
Headlamp switch
Ign
Inflatable restraint sensing & diagnostic module (sdm) (under right front seat)
Instrument panel integration module (ipm) (behind center of dash, above radio)
Key in input
Key-in-ignition switch (part of ignition switch)
Left front seat belt switch (in seat belt buckle)
Nca
Park
Park lp input
Radio
S203
S212
S313
Splice pack sp200
Splice pack sp201

WIPER/WASHER

Wiper/Washer Wiring Diagram for Cadillac Seville SLS 2003

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List of elements for Wiper/Washer Wiring Diagram for Cadillac Seville SLS 2003:

(not used)
(right side of engine compt) g105
150k
24,000 ohms
270k
39k
680k
82k
Accy fuse 15a
Dash integration module (dim) (on right side of dash, near blower motor)
From overhead console harness breakout) s309
G101
G402
High
Hot in accy & run
Low
Max
Min
Mist
Nca
Off
Outside moisture sensor (near rearview mirror)
Red
Splice pack sp101 (left side of engine compt)
Splice pack sp402 (left side of rear compartment)
Underhood fuse block (on right side of engine compartment, near power steering pump)
Wash
Washer switch
Windshield washer pump (on side of windshield washer reservoir)
Windshield wiper motor (at right rear of engine compartment, near strut tower)
Windshield wiper/ washer switch
Wiper switch
Wipers on input
Wsw fuse 30a