All Wiring Diagrams for Cadillac STS V 2007

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2007

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2007:

(in dash harness, 35 cm from c214)
(in dash harness, 51 cm from left front dash speaker connector)
5 volt ref
A10
A11
A12
Air quality hc sens sig
Air quality nox sens sig
Amb air temp sens sig
Ambient light sens sig
Ambient light sensor sig
Aux inside air temp sens sig
B10
B11
B12
Battery
Blower fuse 40a
Blower mtr spd ctrl
Blower relay
Ccp fuse 10a
Cmp clu relay
Comp cltch fuse 10a
Drv air temp dr ctrl b
Drv air temp dr pos sig
Drv temp dr ctrl a
Evap low temp sens sig
Evaporator temperature sensor (inside hvac case, at evaporator core)
G201 (behind right kick panel)
Gnd
Hot at all times
Hot in run or start
Hot w/ run/ crank relay energized
Hvac control module (in center of dash, below radio)
Ign 1 volt
Ign 3 volt
Inside air temp sens ctrl
Inside air temp sens sig
Inside air temperature sensor (on dash, right of steering column)
Interior lights system
L sunload sens sig
Led backlight dimming cntrl
Left sunload sensor signal
Low ref
Low reference
Low spd gmlan serial data
Med blower motor ctrl
Mode dr ctrl a
Mode dr ctrl b
Mode dr pos sig
Nca
Pass air temp dr ctrl a
Pass air temp dr ctrl b
Pass air temp dr pos sig
Pnk
Power distribution system
R sunload sens sig
R51
R52
R53
R54
R55
R56
R57
R58
Rear mode dr ctrl a
Rear mode dr ctrl b
Rear mode dr pos sig
Rear mode sw sig
Rear temp sw sig
Recirc dr ctrl b
Recirc dr pos sig
Recirculation actuator (on hvac module, left of blower motor)
Right sunload sensor signal
S202
S210
S211 (in dash harness, 28 cm from c214)
S222 (in hvac motor assembly harness)
Seats system
Solid state
Sunload sensor (center of dash, in defroster grille)
Tan
Underhood fuse block (right front side of engine compt)
Wash noz/ aqs fuse 10a

Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2007

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2007:

(front center of right front cylinder head) (3.6l) g113
(in engine poa harness, 39 cm from g113) (3.6l) s148
(in hvac motor assembly harness)
(inside center console, on right rear side) auxiliary mode actuator
(left center of dash, on lower left side of hvac module) rear passenger air temperature actuator
A/c compressor clutch
Air qual hc sens
Air qual nox sens
Air quality sensor (if equipped) (under front facia, near front grille center)
Blower controller (in the passenger compt, under the dash, behind the glove box)
Blower motor (under dash, behind glove box)
Blower mtr fan ctrl
Blower mtr resistor
Blower mtr spd ctrl
Blower mtr sply volt
Cold
Def
Driver air temperature actuator (left center of dash, on left side of hvac module)
Dry air temp signal
Front passenger air temperature actuator (right center of dash, on right side of hvac module)
G100 (except 3.6l) (on rear side of right cylinder head)
G104 (on right front frame rail, near bumper bracket)
G201 (in passenger compt, behind right kick panel)
Gnd
Ground
Hot
Hot w/ ign 1 relay energized
Ign 1 voltage
Logic
Low ref
Mode actuator (on top left side of hvac module)
Mode valve signal
Pass air temp signal
Pnk
Right rear fuse block (under right side of rear seat)
Run/crank fuse 10a
S212 (in dash harness, 38 cm from ipm c3)
S223
Seats system
Splice pack
Tan
Tan/ red
Vent

Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2007

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2007:

(on left front frame rail, below left headlamp assembly) engine control module (ecm)
3.6l
5v ref
A/c clutch relay ctrl
A/c refrig press sens
A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
Ambient air temperature sensor (under front facia, near center of grille)
Computer data lines system
Connector)
Ect sens sig
Engine control module (ecm) (front of engine, on right valve cover)
Engine controls system
Engine coolant temperature (ect) sensor (3.6l: in center of left cylinder head) (4.6l: in rear side of right cylinder head)
Except 3.6l
Feed
G104 (on right front frame rail, near bumper bracket)
Hi spd fan relay ctrl
Hi speed fan relay
High fan fuse 30a
Hot at all times
Instrument panel cluster (ipc)
Left cooling fan (behind radiator)
Logic
Low fan fuse 30a
Low ref
Low spd fan relay ctrl
Low spd gmlan serial data
Low speed fan relay
Powertrain relay
Powertrain relay ctrl
R14
R15
R16
R17
R18
R19
R20
R21
R22
R39
R40
R41
R42
R47
R48
R49
R50
Radio
Right cooling fan (behind radiator)
Rtn
S/p fan relay
S108 (3.6l) (in engine harness, 28 cm from maf sensor connector)
S120 (3.6l) (in engine poa harness, 21 cm from throttle body assembly connector)
Serial data
Sig
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Tan
Underhood fuse block (right front side of engine compt)

Compressor Wiring Diagram for Cadillac STS V 2007

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List of elements for Compressor Wiring Diagram for Cadillac STS V 2007:

(front center of right front cylinder head) (3.6l) g113
(in engine poa harness, 39 cm from g113) (3.6l) s148
3.6l
5v reference
A/c clutch relay ctrl
A/c compressor clutch
A/c refrig press sensor
A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
Cmp clu relay
Comp cltch fuse 10a
Computer data lines system
Connector)
Engine control module (ecm) (front of engine, on right valve cover)
Engine control module (ecm) (on left front frame rail, below left headlight assembly)
Engine controls system
Except 3.6l
Feed
G100 (except 3.6l) (on rear side of right cylinder head)
Hot at all times
Hot w/ ign 1 relay energized
Low reference
Pnk
R55
R56
R57
R58
Right rear fuse block (under right side of rear seat)
Rtn
Run/crank fuse 10a
S108 (3.6l) (in engine harness, 28 cm from maf sensor connector)
Serial data
Sig
Splice pack
Tan
Underhood fuse block (right front side of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(on right front corner of engine compt, behind right front wheel) electronic brake control module (ebcm)
5-volt reference
A10
A11
A12
A13
A14
Abs fuse 15a
Abs fuse 50a
B10
B11
B12
B13
B14
Battery
Brake fluid pressure sensor sig
Brake pressure modulator valve (bpmv)
C10
Computer data lines system
G104 (on right front frame rail, near bumper bracket)
G110 (on right front frame rail, near right front strut tower)
Ground
Hi spd gmlan ser data +
Hi spd gmlan ser data -
Hi spd gmlan ser data w/u
High effort ctrl
Hot at all times
Hot in run or start
Ign 1
Lateral accelerometer signal
Left front inlet solenoid valve
Left front iso- lation solenoid valve
Left front outlet solenoid valve
Left front prime solenoid valve
Left rear inlet solenoid valve
Left rear outlet solenoid valve
Lf wheel speed sens low ref
Lf wheel speed sens sig
Long accelerometer signal
Low effort ctrl
Low reference
Lr wheel speed sens low ref
Lr wheel speed sens sig
Motor control
Pnk
R43
R44
R45
R46
Rf wheel speed sens low ref
Rf wheel speed sens sig
Right front inlet solenoid valve
Right front iso- lation solenoid valve
Right front outlet solenoid valve
Right front prime solenoid valve
Right rear inlet solenoid valve
Right rear outlet solenoid valve
Rr wheel speed sens low ref
Rr wheel speed sens sig
Run/ crank relay
S100
Sol vlv control
Steering wheel position sig a
Steering wheel position sig b
Tan
Underhood fuse block (right front side of engine compt)
Variable effort steering actuator (on left side of power steering gear)
Yaw rate sensor signal

Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(3.6l: in engine harness, 30 cm from ebcm connector) (4.6l: in engine harness, 25 cm from brake pressure sensor connector)
(in passenger compt, behind right kick panel)
5v ref
5v reference
Abs ind
Brake fluid pressure sensor (in right front corner of engine compt, on rear of ebcm)
Brake pedal position sensor (attached to top of brake pedal assembly)
Computer data lines system
Ebcm gmlan
G201
Hi spd gmlan ser data +
Hi spd gmlan ser data -
Hi spd gmlan ser data w/u
Hot in on or start
Ign
Ign 1 vol
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Lateral accelerometer sig
Left front wheel speed sensor (wss) (behind left front brake rotor)
Left rear wheel speed sensor (wss) (behind left rear brake rotor)
Lo spd gmlan ser data
Logic
Long accelerometer sig
Low ref
Low reference
Pnk
Right front wheel speed sensor (wss) (behind right front brake rotor)
Right rear wheel speed sensor (wss) (behind right rear brake rotor)
S117 (in engine harness, 36 cm from ebcm connector)
S118
S311
Steer wheel pos sig a
Steer wheel pos sig b
Steering angle sensor (on base of steering column)
Tan
Tcm/ipc fuse 15a
Traction control ind
Traction control switch
Traction off ind
Underhood fuse bock (right front side of engine compartment)
Yaw rate & lateral acceleration sensor (under the front passenger seat)
Yaw rate sens signal

ANTI-THEFT

Anti-theft Wiring Diagram for Cadillac STS V 2007

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List of elements for Anti-theft Wiring Diagram for Cadillac STS V 2007:

3.6l
A open sw sig
B closed sw sig
Battery positive volt
Computer data lines system
Door open sw sig
Door open switch
Driver door latch assembly (in middle rear of driver door)
Driver door module (ddm) (inside driver door)
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
Engine controls system
Except 3.6l
Exterior lights system
Fd1
Fd2
Front passenger door module (fpdm) (inside right front door)
Fuel pump ctrl
G104 (on right front frame rail, near bumper bracket)
G200 (in passenger compartment, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Gmlan (rim)
Gmlan serial data
Ground
High spd gmlan+
High spd gmlan-
Hood ajar switch (on right front strut tower)
Hood closed sw sig
Hood open sw sig
Horn ctrl
Horns system
Hot at all times
Hot w/ ign 1 relay energized
Ign
Ign 1 volt
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Left rear door latch assembly (in middle rear of passenger door)
Left rear door module (lrdm) (inside left rear door)
Logic
Low spd gmlan
Low spd gmlan data
Park lamp ctrl
Passenger door latch assembly (in middle rear of left rear door)
Pnk
Rear compartment lid release actuator (on center rear of rear compartment lid)
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Remote control door lock receiver (rcdlr) (under rear speaker shelf)
Right rear door latch assembly (in middle rear of right rear door)
Right rear door module (rrdm) (inside right rear door)
Right rear fuse block (under right side of rear seat)
Rim fuse 10a
S11
S500
S600
S700
S800
Security ind
Splice pack
Starter enable
Starting/ charging system
Tan
Trunk ajar sig
Trunk diode
Underhood fuse block (right front side of engine c1 compartment)

BODY CONTROL MODULES

Instrument Panel Module Wiring Diagram for Cadillac STS V 2007

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List of elements for Instrument Panel Module Wiring Diagram for Cadillac STS V 2007:

5v ref
Acc ind ctrl
Acc voltage
Anti-lock brakes system
Backlight lamps ctrl
Bat pos voltage
Computer data lines system
Courtesy lamp sw on sig
Cruise control system
Cruise ctrl set/coast/res/acc sw sig
Current sens low ref
Current sens sig
Current sens sply voltage
Ecm/tcm serial data wake up
Electronic power steering system
Exterior lights system
Flash to pass sw sig
Flash to pass sw sply voltage
Fog lamp rly ctrl
Frt fog lamp sw sig
G101 (near left front strut tower, at bottom of inside fender well)
G201 (in passenger compartment, behind right kick panel)
Gnd
Hazard sw sig
Hdlamp auto high beam dim status
Hdlmp auto high beam dim enable
Hdlmp rly ctrl/hdlmp hi beam rly ctrl
Headlamp sw headlamp on sw
Headlamp washer rly ctrl
Headlights system
Hi/low beam rly ctrl
High spd gmlan serial data (+)
High spd gmlan serial data (-)
High spd gmlan serial data wake up
Horn rly ctrl
Horns system
Hot at all times
Hot w/ park lamp relay energized
I/p lamps dimmer sw sig
Ign mode sw sply voltage
Instrument cluster system
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Ipm ign mode data sig
Ipm ign mode sw ref voltage
Ipm/ aldl fuse 10a
Led backlight dim ctrl
Lf turn sig sw sig
Lic dimming fuse 7.5a
Low spd gmlan serial data
Mirrors system
Navigation & sound systems
Off ind ctrl
Park brake sw sig
Park lamp rly ctrl
Park lamp sw on voltage
Pnk
Power distribution system
Rear fog lamp sw sig
Remote radio ctrl hd acc sply voltage
Rf turn sig sw sig
Run ign 3 voltage
Run/crank ign 1 voltage
S210
Shft sel sw prk sig
Shft sel sw prk sply voltage
Shift interlock system
Sig gnd
Starter ind ctrl
Starting/charging system
Stop lamp sw sig
Strg col radio ctl sig
Strg col tilt/tele dn sw sig
Strg col tilt/tele fwd sw sig
Strg col tilt/tele rwd sw sig
Strg col tilt/tele up sw sig
Tan
Tap up/dn enable sig
Traction ctrl sw sig
Transmissions system
Trunk rel rly ctrl
Trunk, tailgate, fuel doors system
Twilight sentinel dly sig
Underhood fuse block (right front side of engine compt)
Volt check fuse 10a
Windshield washer fluid lvl sig
Windshield wiper sw on sig
Windshield wiper sw sig
Wiper/washer system

Rear Integration Module Wiring Diagram for Cadillac STS V 2007

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List of elements for Rear Integration Module Wiring Diagram for Cadillac STS V 2007:

Anti-theft system
Bat pos voltage
Computer data lines system
Courtesy lamp sply voltage
Courtesy lmp rly coil ctrl
Defogger system
Exterior lights system
G402 (in rear compartment, to rear of left rear shock tower)
Gnd
Headlights system
Hood closed sw sig
Hot at all times
Hot w/ ign 1 relay energized
Interior lights system
Interior lmp ctrl
Lf turn sig lmp sply voltage
Low spd gmlan serial data
Lr stop/turn lmp sply voltage
Lr turn signal lmp sply voltage
Lt turn rim fuse 10a
Navigation system
Pnk
Power tops system
Rap rly coil ctrl
Rear defog rly ctrl
Rear fog lamp relay control
Rear integration module (rim) (in left side of rear compartment, under rear shelf)
Rear parking assist chime sig
Rev rly coil feed
Rf turn sig lmp sply voltage
Right rear fuse block (under right side of rear seat)
Rim fuse 10a
Rr stop/turn lmp sply voltage
Rr turn sig lmp sply voltage
Rt turn rim fuse 10a
Run/crank ign 1 voltage
S11
Sig gnd
Splice pack
Standing lmp rly feed
Tan
Trunk ajar sw sig
Trunk rel rly control
Trunk, tailgate, fuel doors system
Windshield wiper park mtr ctrl
Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(below right "c" pillar) electronic suspension (esc) control module
(in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113
(in forward lamp harness, 31 cm from right headlamp leveling actuator connector) s116
3.6l
4.4l & 4.6l
A11
B10
B11
B12
Data link connector (dlc) (under left side of dash, near steering column)
Data wake-up
Distance sensing cruise control module (behind front fascia, near hood latch)
Electronic brake control module (ebcm) (on right front corner of engine compt, behind right front wheel)
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (except 3.6l: on left front frame rail, below left headlamp assembly)
From sp303 (diagram 2 of 2)
G200 (in passenger compt, behind left kick panel)
Headlamp leveling module
High speed gmlan
High speed gmlan data wake-up
High speed gmlan data wakeup
High speed gmlan ecm/ tcm wakeup
High speed gmlan serial data bus +
High speed gmlan serial data bus -
Hot at all times
Instrument panel module (ipm) (right side of dash, behind glove box)
Ipm/ aldl fuse 10a
Low speed gm lan serial data
Low speed gmlan serial data
Splice pack sp100 (on forward lamp harness, left of center, behind front bumper)
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Tan
To sp201 (diagram 2 of 2)
Transmission control module (tcm) (right front corner of engine compt, on underhood fuse block)
Underhood fuse block (right front side of engine compt)
Vehicle communication interface module (vcim) (in rear compt, near right rear strut tower)
W/ auto adaptive cruise control
W/ auto headlamps leveling
W/ magnetic ride control
W/ onstar
W/o auto adaptive cruise control
W/o auto headlamps leveling
W/o magnetic ride control

Computer Data Lines Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Cadillac STS V 2007:

Audio amplifier (left side of luggage compt)
Digital radio receiver (on right side of package shelf)
Driver door module (ddm) (inside driver door)
Driver door switch assembly (ddsa)
From instrument panel module (ipm) (diagram 1 of 2)
Front passenger door module (fpdm) (inside right front door)
Head up display (hud)
Hvac control module (in center of dash, below radio)
If equipped
Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
Infotainment system
Instrument panel cluster (ipc)
Left rear door module (lrdm) (inside left rear door)
Low speed gm lan serial data
Memory seat module (msm) (under driver seat)
Radio
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Remote control door lock receiver (rcdlr) (under rear speaker shelf)
Right rear door module (rrdm) (inside right rear door)
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Splice pack sp300
Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat)
To vehicle communication interface module (vcim) (diagram 1 of 2)
Tv antenna module

COOLING FAN

Cooling Fan Wiring Diagram for Cadillac STS V 2007

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List of elements for Cooling Fan Wiring Diagram for Cadillac STS V 2007:

3.6l
Computer data lines system
Ect sens sig
Engine control module (ecm) (front of engine, on right valve cover)
Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
Engine coolant temperature (ect) sensor (3.6l: in center of left cylinder head) (4.4l: rear of right cylinder head) (4.6l: in rear side of right cylinder head)
Except 3.6l
G104 (on right front frame rail, near bumper bracket)
Hi spd fan rly ctrl
High fan fuse 30a
High speed fan relay
Hot at all times
Left cooling fan (behind radiator)
Low fan fuse 30a
Low ref
Low spd fan rly ctrl
Low speed fan relay
Powertrain relay
Powertrain rly ctrl
R14
R15
R16
R17
R18
R19
R20
R21
R22
R39
R40
R41
R42
R47
R48
R49
R50
Right cooling fan (behind radiator)
S/p fan relay
S120 (3.6l) (in engine poa harness, 21 cm from throttle body assembly connector)
Serial data
Tan
Underhood fuse block (right front side of engine compt)

CRUISE CONTROL

Adaptive Cruise Control Wiring Diagram for Cadillac STS V 2007

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List of elements for Adaptive Cruise Control Wiring Diagram for Cadillac STS V 2007:

(below right "c" pillar) electronic suspension control (esc) module
(in forward lamp harness, 31 cm from right headlamp leveling actuator connector) s116
(on dash harness, under dashboard, near firewall grommet) sp201
5v ref
A11
Alert distance cruise speed limited follow distance set speed set xx mph tight curve
Brake pedal position sensor (attached to top of brake pedal assembly)
C276
C277
Ccp fuse 10a
Clean radar cruise cruise disengage cruise not ready cruise set xx mph service radar cruise
Computer data lines system
Cruise control switch
Distance sensing cruise control module (behind front fascia, near hood latch)
Electronic brake control module (ebcm) (on right front corner of engine compt, behind right front wheel)
Fuse 2a
Fuse block steering column fuse box or holder
G104 (on right front frame rail, near bumper bracket)
Gmlan serial wake up
Gmlan serial data bus +
Gmlan serial data bus -
Gmlan serial wake up
Ground
Head up display (hud)
Headlights system
Hot at all times
Ignition 1 voltage
Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Left steering wheel controls
Logic
Low ref
Message center
Message request
Nca
Off
Pnk
Power distribution system
Resume/ accel +
Right steering wheel controls
S229 (in steering column harness)
Sens sig
Serial data
Serial data +
Serial data -
Set/ coast
Signal
Tan
Turn signal/ multifunction switch
Underhood fuse block (right front side of engine compt)
W/ hid lamps

Conventional Cruise Control Wiring Diagram for Cadillac STS V 2007

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List of elements for Conventional Cruise Control Wiring Diagram for Cadillac STS V 2007:

(near left front strut tower, at bottom of inside fender well) g101
3.6l
4.4l
4.6l
4.6l & 4.4l
5 volt reference
5 volt reference 1
5 volt reference 2
Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
Alert distance cruise speed limited follow distance set speed set xx mph tight curve
App sensor 1 signal
App sensor 2 signal
Brake pedal position sensor (attached to top of brake pedal assembly)
Clean radar cruise cruise disengage cruise not ready cruise set xx mph service radar cruise
Coast
Computer data lines system
Cruise control switch
Cruise ind
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l & 4.4l: on left front frame rail, below left headlamp assembly)
Exterior lights system
Fuse 2a
Fuse block steering column fuse box or holder
Gmlan (ecm)
Gmlan serial data
Gnd
Head up display (hud)
Hot w/ run/crank relay energized
Hud message center
Ignition
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Logic
Low reference
Message center
Message request
Off
Pnk
Resume/ accel+
S147 (3.6l: 387 cm from c102) (4.6l: 24 cm from c102)
S225 (in steering column harness)
Serial data bus +
Serial data bus -
Set/
Set/coast & resume/accelerate sw sig
Sound systems
Tac motor control-1
Tac motor control-2
Tan
Tcc/cruise control release sig
Tcm/ ipc fuse 15a
Throttle actuator control (tac) motor
Throttle body assembly
Throttle position (tp) sensor
Tp sensor 1 signal
Tp sensor 2 signal
Transmission control module (tcm)
Turn signal/ multifunction switch
Underhood fuse block (right front side of engine compt)

DEFOGGERS

Defoggers Wiring Diagram for Cadillac STS V 2007

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List of elements for Defoggers Wiring Diagram for Cadillac STS V 2007:

Computer data lines system
Driver door module (ddm) (inside driver door)
Driver outside rearview mirror
Feed
Front passenger door module (fpdm) (inside right front door)
Gmlan serial data
Heated mirror element
Hot at all times
Hot in run
Hvac control module (in center of dash, below radio)
Logic
Low reference
Nca
Passenger outside rearview mirror
R10
Rear defog fuse 40a
Rear defog relay
Rear defogger indicator
Rear defogger switch
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Rear window defogger
Relay control
Right rear fuse block (under right side of rear seat)
Rtn
Serial data

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Cadillac STS V 2007

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List of elements for Electronic Power Steering Wiring Diagram for Cadillac STS V 2007:

(3.6l: in engine harness, 30 cm from ebcm connector) (4.6l: in engine harness, 25 cm from brake pressure sensor connector)
(on left side of power steering gear) variable effort steering actuator
5 volt reference
5v ref
5v reference
Abs fuse 50a
B10
B11
B12
B13
B14
Battery
Brake fluid pressure sensor (in right front corner of engine compt, on rear of ebcm)
Brake fluid pressure sensor sig
C10
Computer data lines system
Electronic brake control module (ebcm) (on right front corner of engine compt, behind right front wheel)
G110 (on right front frame rail, near right front strut tower)
Ground
Hi spd gmlan ser data +
Hi spd gmlan ser data -
High effort ctrl
Hot at all times
Lateral accelerometer sig
Lateral accelerometer signal
Long accelerometer sig
Long accelerometer signal
Low effort ctrl
Low ref
Low reference
S100
S117 (in engine harness, 36 cm from ebcm connector)
S118
Steer wheel pos sig a
Steer wheel pos sig b
Steering angle sensor (on base of steering column)
Steering wheel position sig a
Steering wheel position sig b
Tan
Underhood fuse block (right front side of engine compt)
Yaw rate & lateral acceleration sensor (under the front passenger seat)
Yaw rate sens signal
Yaw rate sensor signal

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Cadillac STS V 2007

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List of elements for Electronic Suspension Wiring Diagram for Cadillac STS V 2007:

(in rear compt, to rear of right rear shock tower) g401
(under rear of vehicle, behind right rear tire) automatic level control (alc) compressor
Auto relay ctrl
Automatic level
Batt
Battery voltage
Computer data lines system
Data signal
Ecm/tcm fuse 10a
Elc relay
Elc relay fuse 30a
Elc sol fuse 10a
Electronic suspension control (esc) module (below right "c" pillar)
G401 (in rear compt, to rear of right rear shock tower)
Gmlan ser data +
Gmlan ser data -
Ground
Hot at all times
Hot w/ run relay energized
Instrument panel cluster (ipc)
Ipc class 2
Left front suspension damper
Left front suspension position sensor (near left front strut)
Left rear fuse block (under left side of rear seat)
Left rear suspension damper
Left rear suspension position sensor (near left rear strut)
Lf damper ctrl
Lf damper low ref
Lf position sens
Lf sens vol ref
Logic
Lr damper ctrl
Lr damper low ref
Lr position sens
Lr sens vol ref
Message center
Message request
Mr-rtd mod fuse 25a
Nca
R10
Rf damper ctrl
Rf damper low ref
Rf position sens
Rf sens vol ref
Right front suspension damper
Right front suspension position sensor (near right front strut)
Right rear suspension damper
Right rear suspension position sensor (near right rear strut)
Rr damper ctrl
Rr damper low ref
Rr position sens
Rr sens vol ref
Sensor low ref
Service ride control
Tan
Underhood fuse block (right front side of engine compt)

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS V 2007:

(1,3,5: top right side of engine) fuel injectors
(2,4,6: top left side of engine) fuel injectors
(in engine poa harness, 1 cm from ckp sensor connector)
(in engine poa harness, 17 cm from ecm c1)
(on left side of engine, attached to oil filter adapter housing) engine oil pressure (eop) sensor
(on rear of intake manifold) intake manifold runner control (imrc) solenoid
5 volt ref 1
5 volt ref 2
Bare
Ckp sens sig
Cmp exhaust 1
Cmp exhaust 2
Cmp intake 1
Cmp intake 2
Crankshaft position (ckp) sensor (on left side of engine)
Ect sig
Engine control module (ecm) (front of engine, on right valve cover)
Evap purge
G103 (top right side of engine, fastened to ecm case)
G113 (front center of right front cylinder head)
Gen fdc sig
Gen turn on sig
Ground
Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust pipe)
Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (on left exhaust pipe)
Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe)
Ho2s heat ctrl
Ho2s input pump
Ho2s low ref
Ho2s pump cur
Ho2s ref volt
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Inj 5 ctrl
Inj 6 ctrl
Intake man ctrl
Knock sensor (ks) 1 (on right side of engine)
Knock sensor (ks) 2 (on left side of engine)
Ks 1 sig
Ks 2 sig
Low ref
Manifold pos sig
Nca
Oil pres sig
Pres sens sig
S104
S121
S137
S148
S150
Starting/ charging system
Tac mtr ctrl 1
Tac mtr ctrl 2
Tan
Tan a
Tps 2 sig
Tps sig 1

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS V 2007:

(right rear side of engine block, near starter)
Canister vent fuse 10a
Ecm/tcm fuse 10a
Even coils fuse 15a
Fuel pump fuse 15a
Fuel pump relay
G104 (near bumper bracket)
G109 (near right front of engine block)
G112
G401 (in rear compt, to rear of right rear shock tower)
Hfv6 ecm fuse 15a
Hot at all times
Hot in run or start
Ignition coil 1 (on top front of left valve cover)
Ignition coil 2 (on top front of right valve cover)
Ignition coil 3 (on top center of left valve cover)
Ignition coil 4 (on top center of right valve cover)
Ignition coil 5 (on top rear of left valve cover)
Ignition coil 6 (on top rear of right valve cover)
Maf fuse 10a
Nca
Odd coils fuse 15a
Pnk
Post o2 fuse 10a
Power distribution system
Powertrain relay
Pre o2/ cam fuse 15a
R11
R12
R13
R15
R43
R44
R45
R46
R47
R48
R49
R50
Right rear fuse block (under right side of rear seat)
Run/crank relay
S101
S119
S125
S126
S127
S128
S129
Spark plug
Splice pack
Tan
Tcm/ ipc fuse 15a
Underhood fuse block (right front side of engine compt)

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS V 2007:

(32 cm from throttle body assembly connector) s124
(in engine poa harness, 21 cm from throttle body assembly connector) s120
(on front of left cylinder head, lower center position) camshaft position (cmp) actuator solenoid (exhaust bank 2)
(on front of left cylinder head, on left side) camshaft position sensor (cmp) (exhaust bank 2)
(on front of left cylinder head, on right side) camshaft position sensor (cmp) (intake bank 2)
(on front of left cylinder head, upper center position) camshaft position (cmp) actuator solenoid (intake bank 2)
(on front of right cylinder head, lower center position) camshaft position (cmp) actuator solenoid (exhaust bank 1)
(on front of right cylinder head, on left side) camshaft position sensor (cmp) (intake bank 1)
(on front of right cylinder head, on right side) camshaft position sensor (cmp) (exhaust bank 1)
(on front of right cylinder head, upper center position) camshaft position (cmp) actuator solenoid (intake bank 1)
+5v
A/c refrigerant pressure sensor
Barometric pressure (baro) sensor (in left rear side of upper intake manifold)
Engine coolant temperature (ect) sensor (in center of left cylinder head)
Evaporative emissions (evap) canister purge solenoid valve (on right side of engine, near valve cover)
Logic
Low ref
Mass air flow (maf) & intake air temperature (iat) sensor (in air intake duct, near throttle body)
Pnk
Signal
Tan
Throttle actuator control (tac) motor
Throttle body assembly
Throttle position (tp) sensor

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS V 2007:

(attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
(front center of right front cylinder head)
(in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
(in engine harness, 36 cm from brake pressure sensor connector)
(in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
(in fuel tank) fuel pump & sender assembly
(in left side of rear compt, under rear shelf) rear object sensor control module
(in top left side of fuel tank) secondary fuel sender assembly
5 volt ref 1
5v ref 1
5v ref 3
A/c ref pres
Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
Air conditioning system
App sens 2 sig
App sens sig 1
Automatic transmission
Battery +
Clutch rly ctrl
Cooling fans system
Data wake-up
Engine control module (ecm) (front of engine, on right valve cover)
Evap vent sol
Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle, above rear differential)
Exterior lights system
Fan rly ctrl
Fuel lev sens
Fuel lev sig
Fuel level sensor
G113
G401 (in rear compt, to rear of right rear shock tower)
Gmlan bus
Ho2s heat ctrl
Ho2s low ref
Ho2s sig
Iat sig
Ign
Ign 1 volt
Inside rearview mirror
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Lan bus +
Lan bus -
Logic
Low ref
Maf sig
Main rly ctrl
Malfunction indicator lamp
Mil ctrl
P/n sig
Pnk
Radio
Rly ctrl
S106
S107
S108
S109
S113
S406
Ser data bus
Start rly ctrl
Starting/ charging system
Stop lp sw sig
Tan
Tank pres sig
Transmission control module
Transmission manual shift shaft switch assembly
Vss sig
W/infotainment system 012, 014 & 015
W/intelligent high beam control
Wake-up

4.4L VIN D

4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2007:

(in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) s406
(in fuel tank) fuel pump & sender assembly
(in top left side of fuel tank) secondary fuel sender assembly
(rear of right cylinder head)
5 volt ref
5 volt ref 1
5 volt ref 2
A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
A/c refrigerant sig
Baro sens low ref
Baro sensor sig
Barometric pressure (baro) sensor (top right side engine)
Canister vent fuse 10a
Coolant pump rly ctrl
Cooling fans system
D tan
Ect sensor sig
Eng oil level sw sig
Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
Engine coolant temperature (ect) sensor
Evap canister ctrl
Fuel level sensor
Fuel pump
Fuel pump fuse 15a
Fuel pump relay
G100 (on rear side of right cylinder head)
G401 (in rear compt, to rear of right rear shock tower)
Gen field duty cycle
Generator turn on sig
Ground
Hi spd gmlan bus +
Hi spd gmlan bus -
Ho2s high sig
Ho2s htr low ctrl
Ho2s low sig
Hot at all times
Iat 2 low ref
Iat 2 sig
Intake air temperature (iat) sensor 2 (top right front of engine, under intake air tube)
Low ref
Low spd cooling fan
Manifold absolute pressure (map) sensor (top right side of engine, near baro sensor)
Map sensor sig
Park/neutral sig
Pnk
R11
R12
R13
R15
Right rear fuse block (under right side of rear seat)
Splice pack
Starting/ charging system
Starting/charging system
Super charger ctrl
Tan
Transmissions system

4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2007:

(at bottom of radiator, between fans) charge air cooler (cac) coolant pump
(in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113
(on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
(right front corner of engine compt, on underhood fuse block)
Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
Cac coolant pump fuse 10a
Cac coolant pump relay
Evaporative emissions (evap) canister purge solenoid valve (on rear of engine, near throttle body)
Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential)
From b underhood fuse block (diagram 4 of 5)
G100 (on rear side of right cylinder head)
Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe, after catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe, after catalytic converter)
Hot at all times
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
Nca
Pnk
Post o2 fuse 15a
Pre o2/ cam fuse 15a
S101
S104
Tan
Transmission control module (tcm)
Underhood fuse block (right front side of engine compt)

4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2007:

(attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
(in left side of rear compt, under rear shelf) rear object sensor control module
(left front of engine, at injector no 2) vacuum bypass valve
(on left front frame rail, below left headlamp assembly)
5 volt ref 1
5 volt ref 2
A/c compress rly ctrl
Air conditioning system
App sensor 1 sig
App sensor 2 sig
Battery positive volt
Computer data lines system
Cooling fans system
Data
Ecm/ tcm fuse 10a
Engine control module (ecm)
Evap canister vent ctrl
Exterior lights system
Fuel pump relay ctrl
Fuel tank press sig
G104 (on right front frame rail, near bumper bracket)
Hi spd cooling fan
Hot at all times
Hot in run or start
Ign
Ign 1 volt
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
Logic
Low ref
Malfunction indicator lamp
Mil ctrl
Pnk
Powertrain relay
Powertrain rly ctrl
Pressure sensor sig
Primary fuel level sig
R43
R44
R45
R46
R47
R48
R49
R50
Radio
Run/ crank relay
Second fuel level sig
Starter rly coil ctrl
Starting/ charging system
Stop lamp sw sig
Tan
Tcm/ipc/ ecm fuse 15a
To even coils fuse (diagram 4 of 5)
Transmissions system
Underhood fuse block (right front side of engine compt)
V8 ecm fuse 10a
Vehicle speed sig
W/ infotainment system 012, 014 & 015
W/ intelligent high beam control

4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2007:

(30 cm from ignition coil module 7 connector) s146
(center of engine block, under intake manifold)
(in ignition coil harness, 31 cm from ignition coil module 8 connector)
(on rear side of right cylinder head) g107
(on right side of engine, under intake manifold) knock sensor (ks) bank 1
(on top right side of engine) super charger inlet air pressure (sciap) sensor
(top right side of engine)
5v ref
B tan
Camshaft position actuator solenoid intake bank 1 (on front of right cylinder head, upper center position)
Ckp sig
Crankshaft position (ckp) sensor
D d
Even coils fuse 15a
From a powertrain relay (diagram 3 of 5)
Fuel injectors (1,3,5,7: top right side of engine)
Fuel injectors (2,4,6,8: top left side of engine)
Hfv6 ecm fuse 15a
Ignition coil/ coil/ module 3 (top left of engine)
Ignition coil/ module 1 (top left of engine)
Ignition coil/ module 5 (top left of engine)
Ignition coil/ module 6 (top right side of eng)
Ignition coil/ module 7 (top left of engine)
Ignition coil/ module 8 (top right side of engine)
Low ref
Nca
Odd coils fuse 15a
Pnk
Pnk a
Pnk b
S102
S103
S131
S133
S135
S142
S144
Side of engine)
Spark plug
Tan
Tan c
Tan c c
To post o2 fuse (diagram 2 of 5)
Underhood fuse block (right front side of engine compt)

4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2007:

(on front of left cylinder head, on left side)
(on front of left cylinder head, on right side)
(on front of right cylinder head, on left side)
(on front of right cylinder head, on right side)
(on left front frame rail, below left headlamp assembly)
5 volt a
5 volt ref
5 volt ref 1
5 volt ref 2
Camshaft position actuator solenoid exhaust bank 1 (on front of right cylinder head, lower center position)
Camshaft position actuator solenoid exhaust bank 2 (on front of left cylinder head, lower center position)
Camshaft position actuator solenoid intake bank 2 (on front of left cylinder head, upper center position)
Camshaft position sensor exhaust bank 1 low ref b
Camshaft position sensor exhaust bank 2 low ref b
Camshaft position sensor intake bank 1 low ref b
Camshaft position sensor intake bank 2 low ref b
Ckp sensor sig
Cmp act sol b1 exhst
Cmp act sol b1 intk
Cmp act sol b2 exhst
Cmp act sol b2 intk
Cmp exh c
Cmp sen sig
Cmp sig c
Eng oil temp sens sig
Engine control module (ecm)
Engine oil level & temperature sensor (bottom center of engine oil pan)
Engine oil pressure (eop) sensor (on left side of engine)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Fuel inj 7 ctrl
Fuel inj 8 ctrl
G100 (on rear side of right cylinder head)
Gnd
Ground
Ho2s high sig
Ho2s high sig bank 1
Ho2s htr low ctrl
Ho2s low sig
Ho2s low sig bank 1
Iat sensor sig
Iat sig
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ic 7 ctrl
Ic 8 ctrl
Ign 1 volt
Ign volt
Knock sensor (ks) bank 2 (on left side of engine, under intake manifold)
Ks 1 sig
Ks 2 sig
Low ref
Maf sensor sig
Maf sig
Mass air flow (maf)/ intake air temperature (iat) sensor (left side of engine compt, in air intake tube)
Oil press sens sig
Oil temp sens low ref
Pnk
S151
Sensor return
Tac mtr ctrl 1
Tac mtr ctrl 2
Tan
Tan d
Tan e
Throttle body assembly
Tp sensor 1 sig
Tp sensor 2 sig

4.6L VIN A

4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2007:

(in left side of rear compt, under rear shelf) rear object sensor control module
(on left front frame rail, below left headlamp assembly) engine control module (ecm)
5 volt ref 1
5 volt ref 2
A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
A/c refrigerant sig
Canister vent fuse 10a
Computer data lines system
Cooling fans system
Data bus +
Data bus -
Ect sensor sig
Engine coolant temperature (ect) sensor (in rear side of right cylinder head)
Evap canister sol ctrl
Evaporative emissions (evap) canister purge solenoid valve (on rear of engine, near throttle body)
Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential)
Fuel pump fuse 15a
Fuel pump relay
G100 (on rear side of right cylinder head)
G401 (in rear compt, to rear of right rear shock tower)
Gen field duty sig
Gen turn on sig
Ground
Ho2s heater low
Ho2s heater low ctrl
Ho2s high sig
Ho2s low sig
Hot at all times
Inside rearview mirror
Low ref
Low speed relay ctrl
Manifold absolute pressure (map) sensor (front center of engine, in back of throttle body)
Map sensor sig
Park/neutral sig
R11
R12
R13
R15
Radio
Right rear fuse block (under right side of rear seat)
S152
Splice pack
Starting/ charging system
Starting/charging system
Tan
Transmissions system
W/ infotainment system 012, 014 & 015
W/ intelligent high beam control

4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2007:

(on left exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2
(on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
(on right exhaust pipe, after catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2
(on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
Camshaft position (cmp) actuator solenoid exhaust bank 1 (on front of right cylinder head, lower center position)
Camshaft position (cmp) actuator solenoid exhaust bank 2 (on front of left cylinder head, lower center position)
Camshaft position (cmp) actuator solenoid intake bank 1 (on front of right cylinder head, upper center position)
Camshaft position (cmp) actuator solenoid intake bank 2 (on front of left cylinder head, upper center position)
From b underhood fuse block (diagram 4 of 5)
Knock sensor (ks) bank 2 (on left side of engine, under intake manifold)
Nca
Post o2 fuse 15a
Pre o2/ cam fuse 15a
S101
S104
Tan
Underhood fuse block (right front side of engine compt)

4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2007:

(39 cm from brake pressure sensor connector) s105
(attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
(in fuel tank) fuel pump & sender assembly
(in rear compt, to rear of right rear shock tower)
(in top left side of fuel tank) secondary fuel sender assembly
5 volt ref 1
5 volt ref 2
A/c compressor ctrl
Air conditioning system
App sensor 1 sig
App sensor 2 sig
Battery positive volt
C1 starter relay ctrl
Cooling fans system
Ecm/ tcm fuse 10a
Ecm/tcm serial data
Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
Evap canister ctrl
Exterior lights system
Fuel level sensor
Fuel level sensor sig
Fuel pump
Fuel pump relay ctrl
Fuel tank sensor sig
G104 (on right front frame rail, near bumper bracket)
G401
High speed relay ctrl
Hot at all times
Hot in run or start
Ign
Instrument panel cluster (ipc)
Logic
Low ref
Malfunction indicator lamp
Mil ctrl
Pnk
Powertrain relay
Powertrain relay ctrl
R43
R44
R45
R46
R47
R48
R49
R50
Run/ crank relay
Run/crank ign 1 volt
S406 (28 cm from fuel tank pressure sensor connector)
Secondary sensor sig
Shift interlock system
Starting/charging system
Stop lamp switch sig
Tan
Tcm/ ipc fuse 15a
To even coils fuse (diagram 4 of 5)
Transmissions system
Underhood fuse block (right front side of engine compt)
V8 ecm fuse 10a
Vehicle speed sig

4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2007:

(in ignition coil harness, 31 cm tan
(on rear side of right cylinder head) g107
B tan
D d
Even coils fuse 15a
From ignition coil module 8 connector) s135
From powertrain a relay (diagram 3 of 5)
Fuel injectors (1,3,5,7: top right side of engine)
Fuel injectors (2,4,6,8: top left side of engine)
Ignition coil/ module (1,3,5,7: top left side of engine)
Ignition coil/ module (2,4,6,8: top right side of engine)
Knock sensor (ks) bank 1 (on right side of engine, under intake manifold)
Nca
Odd coils fuse 15a
Pnk
Pnk a
Pnk b
S102
S103
S131
S133
S142
S144
S146 (in ignition coil harness, 30 cm from ignition coil module 7 connector)
Spark plug
Tan
Tan c
Tan c c
To post o2 fuse (diagram 2 of 5)
Underhood fuse block (right front side of engine compt)

4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2007:

5 volt
5 volt ref 1
5 volt ref 2
A pnk
B tan
Camshaft position sensor exhaust bank 1 (on front of right cylinder head, on right side)
Camshaft position sensor exhaust bank 2 (on front of left cylinder head, on left side)
Camshaft position sensor intake bank 1 (on front of right cyl head, on left side)
Camshaft position sensor intake bank 2 (on front of left cylinder head, on right side)
Ckp sen sig
Ckp sensor sig
Cmp actuator bank 1
Cmp actuator bank 2
Cmp exhaust 1 ctrl
Cmp exhaust 1 sig
Cmp exhaust 2 ctrl
Cmp exhaust 2 sig
Cmp intake 1 sig
Cmp intake 2 sig
Cmp sig
Crankshaft position (ckp) sensor (center of engine block, under intake manifold)
Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
Engine oil pressure (eop) sensor (on left side of engine)
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Fuel inj 7 ctrl
Fuel inj 8 ctrl
G100 (on rear side of right cylinder head)
Gnd
Ground
Ho2s heater low ctrl
Ho2s high sig
Ho2s low sig
Iat sensor sig
Iat sig
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Ic 7 ctrl
Ic 8 ctrl
Ign 1 volt
Knock sensor 1 sig
Knock sensor 2 sig
Low ref
Maf sensor sig
Maf sig
Mass air flow (maf)/intake air temperature (iat) sensor (in air intake duct, near throttle body)
Oil pressure sig
Pnk
S152
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Tan d
Tan e
Throttle body assembly
Tp sensor 1 sig
Tp sensor 2 sig
Volt ref

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Cadillac STS V 2007

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List of elements for Backup Lamps Wiring Diagram for Cadillac STS V 2007:

3.6l
4.6l
Automatic transmission
Computer data lines system
G100 (on rear side of right cylinder head)
G113 (front center of right front cylinder head)
G402 (in rear compt, to rear of left rear shock tower)
Hi spd ser data +
Hi spd ser data -
Hot at all times
Left back-up lamp
Left rear fuse block (under left side of rear seat)
Lo spd gmlan ser data
N d
R36
R37
R38
R40
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Red d
Reverse lamp fuse 10a
Reverse lamp relay
Reverse rly ctrl
Right back-up lamp
S106
S24
S25
S28
S401
Splice pack
Tan
Transmission control module (tcm) (right front corner of engine compt, on underhood fuse block)
Transmission manual shift shaft switch assembly
Trs a
Trs b

Exterior Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(in rear compartment, to rear of left rear shock tower) g402
(near left front strut tower, at bottom of inside fender well) g101
(not used)
Back light lamp
Batt positive voltage
Brake pedal position sensor (attached to top of brake pedal assembly)
Brake sensor sig
Computer data lines system
Data
Ext lights fuse 10a
G104 (on right front frame rail, near bumper bracket)
G200 (in passenger compartment, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
Gmlan serial data
Ground
Hazard sw sign
Hazard switch
Head
Head- lights system
Headlamps on sig
Hot at all times
Ign
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Ipm/ aldl fuse 10a
Lamp outage ind
Left front turn signal lamp
Left front turn signal/ fog lamp assembly (4.4l)
Left front turn signal/ fog lamp assembly (4.6l & 3.6l)
Left license lamp
Left repeater lamp
Left turn rim fuse 10a
Left turn signal ind
Left turn signal voltage
Left turn sw sig
Lic/ dimming fuse 7.5a
Lo speed gmlan serial data
Logic
Low reference
Low speed gmlan
Off
Park
Park lamp relay
Park lamp rly ctrl
Park lamp sw on sig
R31
R32
R33
R34
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Right front turn signal lamp
Right front turn signal/ fog lamp assembly (4.4l)
Right front turn signal/ fog lamp assembly (4.6l & 3.6l)
Right license lamp
Right rear fuse block (under right side of rear seat)
Right repeater lamp
Right turn signal ind
Right turn signal voltage
Right turn sw sig
Rim fuse 10a
S226
S311
S401
Serial
Serial data
Signal
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Sply volt
Stop lamp sw sign
To underhood fuse block lt park fuse, 10a (diagram 2 of 2)
Turn signal/ multifunction switch
Underhood fuse block (right front side of engine compt)
Volt check fuse 10a
W/ gps 1 & hid
W/ hid

Exterior Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(in body harness, 58 cm from
(in body harness, 72 cm from right rear fuse block c1) (w/ gps 1) s317
(right front side of engine compt) underhood fuse block
(under right side of rear seat) right rear fuse block
(w/ hid)
(w/o hid)
Center high mounted stop lamp (chmsl)
Engine controls & transmissions systems
From underhood fuse block lic/dimming fuse, 7.5a (diagram 1 of 2)
G104 (on right front frame rail, near bumper bracket)
G401 (in rear compt, to rear of right rear shock tower)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Hot at all times
Left front park lamp
Left front side marker lamp
Left headlamp assembly
Left rear side marker lamp
Left tail lamp assembly
Left tail lamp outage detection signal
Logic
Lt park fuse 10a
Nca
R36
R37
R38
R40
Right front park lamp
Right front side marker lamp
Right headlamp assembly
Right rear fuse block c1) (w/ gps 1) s306
Right rear side marker lamp
Right tail lamp assembly
Right tail lamp outage detection signal
Rt park fuse 10a
S12
S13
S14
S400
S401
Side marker
Splice pack
Stop lamp relay
Stop lamps fuse 10a
Stop/ turn
Tail
W/ gps 1 & hid

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS V 2007

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List of elements for Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS V 2007:

(4.4l) charge air cooler (cac) coolant pump
(4.4l) left heated washer nozzle
(4.4l) right heated washer nozzle
(4.6l & 4.4l) a/c compressor clutch
(4.6l) after boil heater pump
(4.6l) automatic transmission
(4.6l) engine oil level switch
4.6l
Automatic headlamp dimming relay
Battery
Brake fluid level switch
C110
C117
Camshaft position (cmp) actuator solenoid exhaust bank 1
Camshaft position (cmp) actuator solenoid exhaust bank 2
Camshaft position (cmp) actuator solenoid intake bank 1
Camshaft position (cmp) actuator solenoid intake bank 2
Electronic brake control module (ebcm)
Engine control module (ecm)
G100 (on rear side of right cylinder head)
G101 (near left front strut tower, at bottom of inside fender well)
G105 (at back of underhood fuse block)
G106 (on rear side of right cylinder head)
G110 (on right front frame rail, near right front strut tower)
G306 (under center console)
G403 (on right side "c" pillar, near rear window)
G404 (on left side "c" pillar, near rear window)
If equipped
Inflatable restraint passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Instrument panel module (ipm)
Mass air flow (maf)/ intake air temperature (iat) sensor
Rear window defogger
Rear window keyless entry antenna
S112 (under intake manifold, in valley jumper harness, near cmp actuator solenoids)
S152
Transmission control module (tcm)
W/ hid head- lamps
Windshield wiper/ washer module
Windshield/ headlamp washer motor assembly

Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS V 2007

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List of elements for Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS V 2007:

(if equipped)
(right front side of engine compartment) underhood fuse block
(w/ auto recirculating) air quality sensor
4.4l
4.6l & 3.6l
A/c compressor clutch
Accessory relay
Automatic transmission
C c124
C c125
C122
C123
Distance sensing cruise control module
Engine control module (ecm)
G103 (3.6l) (top right side of engine, fastened to ecm case)
G104 (on right front frame rail, near bumper bracket)
G107 (4.6l & 4.4l) (on rear side of right cylinder head)
G113 (3.6l) (front center of right front cylinder head)
Headlamp leveling module
Hood ajar switch
Horn assembly
Ignition coil/ module 1
Ignition coil/ module 2
Ignition coil/ module 3
Ignition coil/ module 4
Ignition coil/ module 5
Ignition coil/ module 6
Ignition coil/ module 7
Ignition coil/ module 8
Intake manifold runner control (imrc) valve
Left front side marker lamp
Left front turn signal/ fog lamp assembly
Left headlamp assembly
Left repeater lamp
R16
R35
R46
Right cooling fan
Right front side marker lamp
Right front turn signal/ fog lamp assembly
Right headlamp assembly
Right repeater lamp
Run/ crank relay
S/p fan relay
S133 (4.6l) s134 (4.4l) (4.6l: in ignition coil harness, 30 cm from ignition coil module 2 connector)
S144 (4.6l) s145 (4.4l)
S148 (in engine poa harness, 39 cm from g113)
Transmission control module (tcm)
W/ automatic adaptive cruise control
W/ hid head- lamps
W/o hid head- lamps

Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS V 2007

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List of elements for Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS V 2007:

(if equipped) heated steering wheel
(if equipped) heated steering wheel control module
(w/ hud)
(w/o hud) i/p dimmer switch
C276
C277
Data link connector (dlc)
Driver door latch assembly
Driver door lock switch
Driver door module (ddm)
Driver door switch assembly (ddsa)
Driver window motor
G109 (3.6l) (near right front of engine block)
G112 (3.6l) (right rear side of engine block, near starter)
G200 (in passenger compartment, behind left kick panel)
Head up display (hud)
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Interior rear compartment lid release switch
Left front door handle switch assembly
Left rear door latch assembly
Left rear door module (lrdm)
Left rear window motor
Left rear window switch
Left steering wheel controls
Nca
Right steering wheel controls
S125 (in engine poa harness, 12 cm from g109)
S126 (in engine poa harness, 18 cm from g109)
S129 (in engine poa harness, 17 cm from g112)
S224 (in steering column harness)
S226 (in steering column harness)
S228 (in steering column harness)
S500 (in driver door harness, 32 cm from driver window motor connector)
S501 (in driver door trim harness, 47 cm from driver door lock switch connector)
S700 (in left rear door harness, 32 cm from c701)
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Steering wheel control switch assembly
Turn signal/ multifunction switch

Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS V 2007

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List of elements for Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS V 2007:

(rear heated seat) rear auxiliary hvac control module
Automatic transmission shift lever assembly
B11
Blower controller
Console auxiliary power outlet
Driver back cooled seat blower motor
Driver back heated seat element
Driver cushion cooled seat blower motor
Driver cushion heated seat element
Driver seat adjuster switch
Front auxiliary power outlet
Front passenger door module (fpdm)
Front passenger window motor
Front passenger window switch
G201 (in passenger compartment, behind right kick panel)
G307 (in passenger compt, to left of driver seat, on left frame rail)
Hazard switch
Hvac control module
I/p compartment lamp switch
Ignition mode switch
Instrument panel module (ipm)
Left front seat belt switch
Memory seat module (msm)
Passenger back cooled seat blower motor
Passenger back heated seat element
Passenger climate control seat module
Passenger cushion cooled seat blower motor
Passenger cushion heated seat element
Passenger door latch assembly
Passenger door lock switch
Passenger lumbar adjuster switch
Passenger seat adjuster switch
Rear auxiliary power outlet
Right front door handle switch assembly
Right front seat belt switch
Right rear door latch assembly
Right rear door module (rrdm)
Right rear window motor
Right rear window switch
S210 (in dash harness, 35 cm from c214)
S600 (in passenger door harness, 32 cm from front passenger window motor connector)
S601 (in passenger door trim harness, 42 cm from passenger door lock switch connector)
Traction control switch
W/ front heated seats
W/ power lumbar seats
W/o front heated seats
W/o power lumbar seats

Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS V 2007

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List of elements for Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS V 2007:

(if equipped)
(if equipped) garage door opener
(if equipped) left front door subwoofer speaker
(if equipped) outside moisture sensor
(if equipped) right front door subwoofer speaker
(if equipped) sunroof switch
(if equipped) tire pressure monitor module
(under left side of rear seat) left rear fuse block
(under right side of rear seat) right rear fuse block
(w/ digital radio) digital radio receiver
(w/ hid headlamps) inside rearview mirror (isrvm)
(w/ info- tainment system 014 & 015) tv antenna module
(w/ info- tainment system 015) traffic information receiver (vics)
(w/ magnetic ride control) electronic suspension control (esc) module
(w/ onstar)
(w/ onstar) vehicle communication interface module (vcim)
(w/o hid headlamps) inside rearview mirror (isrvm)
(wcv) wiper inhibit relay
4.4l
Audio amplifier
Automatic level control (alc) compressor
Center high mounted stop lamp (chmsl)
Electronic sunroof control module
Exterior rear compartment lid release switch
Front overhead courtesy/ reading lamps
G401 (in rear compt, to rear of right rear shock tower)
G402 (in rear compt, to rear of left rear shock tower)
Ign 1 relay
Ign 3 relay
Inflatable restraint i/p module indicator
Left back-up lamp
Left license lamp
Left rear side marker lamp
Left tail lamp assembly
Left vanity mirror lamp
Nca
R21
R25
Radio
Rear compartment lid release actuator
Rear differential cooler pump
Rear heated seat module
Rear integration module (rim)
Rear object sensor control module
Rear overhead courtesy/ reading lamps
Rear subwoofer speaker
Remote control door lock receiver (rcdlr)
Right back-up lamp
Right license lamp
Right rear side marker lamp
Right tail lamp assembly
Right vanity mirror lamp
S401 (in body harness, 15 cm from exterior rear compt release switch connector)
W/ soft ride, sport suspension system & magnetic ride control

HEADLIGHTS

Headlamps Wiring Diagram, with High Intensity Discharge for Cadillac STS V 2007

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List of elements for Headlamps Wiring Diagram, with High Intensity Discharge for Cadillac STS V 2007:

(in dash harness, 51 cm from left front dash speaker connector) s202
(on right front frame rail, near bumper bracket) g104
4.4l
4.6l & 3.6l
A11 sensor sig
Air conditioning system
Auto
Automatic headlamp dimming relay (w/ intelligent high beam) (in underhood fuse block)
B12 low ref
C (not used)
Computer data lines system
Ext lights fuse 10a
Exterior lights system
Flash to pass sw sig
Fog lamp
Fog lamp fuse 15a
Fog lamp relay
Fog lamp rly ctrl
Fog lamps ind
Front fog lamp sw sig
Front fog lamp switch
Ftp
G101 (near left front strut tower, at bottom of inside fender well)
G104 (on right front frame rail, near bumper bracket)
G200 (in passenger compt, behind left kick panel)
Gmlan (ipm)
Gmlan (rim)
Gmlan b5
Gnd
Head
Headlamp on sig
Hi beam sw sig
High
High beam
High beam ind
Hot at all times
Hot in run or crank
Hvac control module (in center of dash, below radio)
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Left front turn signal/ fog lamp assembly
Left head- lamp ballast
Left headlamp assembly
Lights on ind
Logic
Low
Low beam
Low beam relay
Low beam rly ctrl
Low speed gmlan ser data
Lt low beam fuse 20a
Mirrors system
Off
Park
R23
R24
R25
R26
R9 (info not available)
Right front turn signal/ fog lamp assembly
Right headlamp assembly
Right headlamp ballast
Rt low beam fuse 20a
S226
Ser data
Serial data c1
Smt bm fuse (optional) 10a
Spare relay
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Sply volt
Sply voltage
Sunload sensor assembly (center of dash, in defroster grille)
Turn signal/ multifunction switch
Twilight sentinal display
Underhood fuse block (right front side of engine compt)

Headlamps Wiring Diagram, without High Intensity Discharge for Cadillac STS V 2007

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List of elements for Headlamps Wiring Diagram, without High Intensity Discharge for Cadillac STS V 2007:

(in dash harness, 51 cm from left front dash speaker connector) s202
(info not available)
(on right front frame rail, near bumper bracket) g104
4.4l
4.6l & 3.6l
A11 sensor sig
Air conditioning system
Auto
B12 low ref
C (not used)
Computer data lines system
Ext lights fuse 10a
Flash to pass sw sig
Fog lamp
Fog lamp fuse 15a
Fog lamp relay
Fog lamp rly ctrl
Fog lamps ind
Front fog lamp sw sig
Front fog lamp switch
Ftp
G104 (on right front frame rail, near bumper bracket)
G200 (in passenger compt, behind left kick panel)
Gmlan (ipm)
Gmlan (rim)
Gmlan b5
Head
Headlamp on sig
Hi beam sw sig
High
High beam
High beam ind
High beam relay
High beam rly ctrl
Hot at all times
Hot in run or crank
Hvac control module (in center of dash, below radio)
Inside rearview mirror (isrvm)
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Left front turn signal/ fog lamp assembly
Left headlamp assembly
Lights on ind
Logic
Low
Low beam
Low beam relay
Low beam rly ctrl
Low speed gmlan ser data
Lt hi beam fuse 10a c1
Lt low beam fuse 20a
Off
Park
R23
R24
R25
R26
R27
R28
R29
R30
Right front turn signal/ fog lamp assembly
Right headlamp assembly
Rly ctrl
Rt hi beam fuse 10a
Rt low beam fuse 20a
S226
Ser data
Serial data c1
Spare relay
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Sply voltage
Sunload sensor assembly (center of dash, in defroster grille)
Turn signal/ multifunction switch
Twilight sentinal display
Underhood fuse block (right front side of engine compt)
W/ intelligent high beam

Headlamps Leveling Wiring Diagram for Cadillac STS V 2007

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List of elements for Headlamps Leveling Wiring Diagram for Cadillac STS V 2007:

Ccp fuse 10a
Common return
Common rtn
Computer data lines system
Drive 1 motor
Drive 2 motor
Drive 3 motor
Drive 4 motor
G104 (on right front frame rail, near bumper bracket)
Gmlan serial data
Gmlan serial data wake up
Ground
Headlamp leveling module
Hot at all times
Left front suspension position sensor (w/o magnetic ride control) (near left front strut)
Left head leveling motor 1
Left head leveling motor 2
Left head leveling motor 3
Left head leveling motor 4
Left headlamp leveling actuator
Left rear suspension position sensor (w/o magnetic ride control) (near left rear strut)
Low ref
Low reference
Power distribution system
Right head leveling motor 1
Right head leveling motor 2
Right head leveling motor 3
Right head leveling motor 4
Right headlamp leveling actuator
Sensor sig
Sensor signal
Tan
Underhood fuse block (right front side of engine compt)
Voltage ref
Voltage reference

HORN

Horn Wiring Diagram for Cadillac STS V 2007

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List of elements for Horn Wiring Diagram for Cadillac STS V 2007:

C276
C277
Fuse 2a
G104 (on right front frame rail, near bumper bracket)
High note horn
Horn assembly
Horn fuse 15a
Horn relay
Horn relay control
Horn switch
Hot at all times
Inflatable restraint steering wheel module coil
Inline steering column usage fuse block
Instrument panel module (ipm) (right side of dash, behind glove box)
Low note horn
Nca
R10
R11
R12
R13
Steering wheel control pad
Tan
Underhood fuse block (right front side of engine compartment)

INSTRUMENT CLUSTER

3.6L VIN 7

3.6L VIN 7, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(not used)
Abs ind
Air bag fuse 10a
Air bag ind
Audible alarm
Backlighting ctrl
Backlighting ind
Batt pos volt
Brake fluid level switch (in master cylinder reservoir)
Brake ind
Charge ind
Class 2 (ecm)
Clock
Clock ctrl
Cruise ind
Dic sw low ref
Dic sw sig
Dic toggle sw
Ecm/tcm fuse 10a
Engine controls system
Engine coolant temperature ind
Front fog lamps ind
Fuel level gauge
G101 (near left front strut tower, at bottom of inside fender well)
Gmlan
Gmlan (ebcm)
Gmlan (ecm)
Gmlan (ipm)
Gmlan (rim)
Gmlan (sdm)
Gmlan (tcm)
Gmlan serial
Ground
High beam ind
Hot at all times
Hot w/ ign 1 relay energized
Hot w/ run/crank relay energized
Hud fuse 10a
Ign 1 volt
Inflatable restraint i/p module indicator
Instrument panel cluster (ipc)
Ipc
Left turn ind
Lights on ind
Logic
Low tire pressure ind
Malfunction ind
Mil lmp ind ctrl
Oil level ind
Pass seat belt ind
Pass seat belt ind ctrl
Pnk
Power distribution system
Right rear fuse block (under right side of rear seat)
Right turn ind
S18
S20
Seat belt ind
Security ind
Sensor signal
Speedometer gauge
Splice pack
Sport mode ind
Tachometer gauge
Tap up/ down enable ind
Tcm/ipc fuse 15a
Temperature gauge
Traction off ind
Trip reset sw sig
Trip reset switch
Trip/ odometer
Trip/odometer ctrl
Underhood fuse block (right front side of engine compt)
Wait to start ind (not used)
Winter mode ind

3.6L VIN 7, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(in engine poa harness, 17 cm from ecm c1) s121
(in fuel tank jumper tan
(in fuel tank) fuel pump & sender assembly
(in top left side of fuel tank) secondary fuel sender assembly
5v ref
Auto
Battery positive volt
Computer data lines system
Courtesy lmp sw on sig
Eng/ met
Engine controls system
Engine oil pressure (eop) sensor (on left side of engine, attached to oil filter adapter housing)
G200 (in passenger compartment, behind left kick panel)
Gmlan serial data
Ground
Harness, 28 cm from fuel tank pressure sensor connector) s406
Head-up display (hud)
Hud image dimming sig
Hud image down sig
Hud image up sig
Hud message center
Hud switch low ref
I/p dimmer sw sig
I/p dimmer switch
Ign
Image dn
Image up
Info dn
Info reset
Info up
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Lo spd gmlan serial data
Logic
Low ref
Message request
Oil sw sig
Park brake switch (at base of brake pedal)
Pk brk sw sig
Pnk
S120 (in engine poa harness, 21 cm from throttle body assembly connector)
Sensor sig
Serial data +
Serial data -
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Tan
Trip a/b
Trip reset
W/ head-up display
W/o head-up display
Xxx mph/kpm check gages

4.4L VIN D

4.4L VIN D, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(not used)
Abs ind
Air bag fuse 10a
Air bag ind
Audible alarm
Backlighting ctrl
Backlighting ind
Batt pos volt
Brake fluid level switch (in master cylinder reservoir)
Brake ind
Charge ind
Class 2 (ecm)
Clock
Clock ctrl
Cruise ind
Dic sw low ref
Dic sw sig
Dic toggle sw pass seat beat ind ctrl
Ecm/tcm fuse 10a
Engine controls system
Engine coolant temperature ind
Front fog lamps ind
Fuel level gauge
G101 (near left front strut tower, at bottom of inside fender well)
Gmlan
Gmlan (ebcm)
Gmlan (ecm)
Gmlan (ipm)
Gmlan (rim)
Gmlan (sdm)
Gmlan (tcm)
Gmlan serial
Ground
High beam ind
Hot at all times
Hot w/ ign 1 relay energized
Hot w/ run/crank relay energized
Hud fuse 10a
Ign 1 volt
Inflatable restraint i/p module indicator
Instrument panel cluster (ipc)
Ipc
Left turn ind
Lights on ind
Logic
Low tire pressure ind
Malfunction ind
Mil lmp ind ctrl
Oil level ind
Pass seat belt ind
Pnk
Power distribution system
Right rear fuse block (under right side of rear seat)
Right turn ind
S18
S20
Seat belt ind
Security ind
Sensor signal
Speedometer gauge
Splice pack
Sport mode ind
Tachometer gauge
Tap up/ down enable ind
Tcm/ipc fuse 15a
Temperature gauge
Traction off ind
Trip reset sw sig
Trip reset switch
Trip/ odometer
Trip/odometer ctrl
Underhood fuse block (right front side of engine compt)
Wait to start ind (not used)
Winter mode ind

4.4L VIN D, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for 4.4L VIN D, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(bottom center of engine oil pan) (4.4l) engine oil level & temperature sensor
(in bottom of oil pan) engine oil level switch
(in fuel tank) fuel pump & sender assembly
(in top left side of fuel tank) secondary fuel sender assembly
(on rear side of right cylinder head) g100
4.4l
4.4l & 4.6l
4.6l
5v ref
Auto
Battery positive volt
Computer data lines system
Courtesy lmp sw on sig
Eng/ met
Engine controls system
Engine oil pressure (eop) sensor (on left side of engine)
G200 (in passenger compartment, behind left kick panel)
Gmlan serial data
Ground
Head-up display (hud)
Hud image dimming sig
Hud image down sig
Hud image up sig
Hud message center
Hud switch low ref
I/p dimmer sw sig
I/p dimmer switch
Ign
Image dn
Image up
Info dn
Info reset
Info up
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Lo spd gmlan serial data
Logic
Low ref
Message request
Oil sw sig
Park brake switch (at base of brake pedal)
Pk brk sw sig
Pnk
Sensor sig
Serial data +
Serial data -
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Tan
Tan (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) s406
Temp sensor
Trip a/b
Trip reset
W/ head-up display
W/o head-up display
Xxx mph/kpm check gages

4.6L VIN A

4.6L VIN A, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(not used)
Abs ind
Air bag fuse 10a
Air bag ind
Audible alarm
Backlighting ctrl
Backlighting ind
Batt pos volt
Brake fluid level switch (in master cylinder reservoir)
Brake ind
Charge ind
Class 2 (ecm)
Clock
Clock ctrl
Cruise ind
Dic sw low ref
Dic sw sig
Dic toggle sw pass seat beat ind ctrl
Ecm/tcm fuse 10a
Engine controls system
Engine coolant temperature ind
Front fog lamps ind
Fuel level gauge
G101 (near left front strut tower, at bottom of inside fender well)
Gmlan
Gmlan (ebcm)
Gmlan (ecm)
Gmlan (ipm)
Gmlan (rim)
Gmlan (sdm)
Gmlan (tcm)
Gmlan serial
Ground
High beam ind
Hot at all times
Hot w/ ign 1 relay energized
Hot w/ run/crank relay energized
Hud fuse 10a
Ign 1 volt
Inflatable restraint i/p module indicator
Instrument panel cluster (ipc)
Ipc
Left turn ind
Lights on ind
Logic
Low tire pressure ind
Malfunction ind
Mil lmp ind ctrl
Oil level ind
Pass seat belt ind
Pnk
Power distribution system
Right rear fuse block (under right side of rear seat)
Right turn ind
S18
S20
Seat belt ind
Security ind
Sensor signal
Speedometer gauge
Splice pack
Sport mode ind
Tachometer gauge
Tap up/ down enable ind
Tcm/ipc fuse 15a
Temperature gauge
Traction off ind
Trip reset sw sig
Trip reset switch
Trip/ odometer
Trip/odometer ctrl
Underhood fuse block (right front side of engine compt)
Wait to start ind (not used)
Winter mode ind

4.6L VIN A, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(bottom center of engine oil pan) (4.4l) engine oil level & temperature sensor
(in bottom of oil pan) engine oil level switch
(in fuel tank) fuel pump & sender assembly
(in top left side of fuel tank) secondary fuel sender assembly
(on rear side of right cylinder head) g100
4.4l
4.4l & 4.6l
4.6l
5v ref
Auto
Battery positive volt
Computer data lines system
Courtesy lmp sw on sig
Eng/ met
Engine controls system
Engine oil pressure (eop) sensor (on left side of engine)
G200 (in passenger compartment, behind left kick panel)
Gmlan serial data
Ground
Head-up display (hud)
Hud image dimming sig
Hud image down sig
Hud image up sig
Hud message center
Hud switch low ref
I/p dimmer sw sig
I/p dimmer switch
Ign
Image dn
Image up
Info dn
Info reset
Info up
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Lo spd gmlan serial data
Logic
Low ref
Message request
Oil sw sig
Park brake switch (at base of brake pedal)
Pk brk sw sig
Pnk
Sensor sig
Serial data +
Serial data -
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Tan
Tan (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) s406
Temp sensor
Trip a/b
Trip reset
W/ head-up display
W/o head-up display
Xxx mph/kpm check gages

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2007:

Computer data lines system
Courtesy lamp ctrl
Courtesy rly ctrl
Courtesy sply ctrl
Front overhead courtesy/ reading lamps
G201 (in passenger compt, behind right kick panel)
G402 (in rear compartment, to rear of left rear shock tower)
G402 (in rear compt, to rear of left rear shock tower)
Gmlan serial data
Hot at all times
I/p compart- ment lamp
I/p compartment lamp switch
Interior lamp fuse 10a
Interior lamp relay
Left footwell courtesy lamp
Left rear door courtesy lamp
Left vanity mirror lamp
Nca
R17
R18
R19
R20
Rear compart- ment courtesy lamp
Rear compartment lid release actuator (on center rear of rear compt lid)
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Rear overhead courtesy/ reading lamps
Right footwell courtesy lamp
Right rear door courtesy lamp
Right rear fuse block (under right side of rear seat)
Right vanity mirror lamp
S210
S215 (in dash harness, 65 cm from c200)
S308 (in headliner harness, 82 cm from c308)
S309 (in headliner harness, 92 cm from c308)
S310
Splice pack sp300
Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat)
Trunk diode

Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2007:

Ajar
Computer data lines system
Courtesy lamp ctrl high
Courtesy lamp ctrl low
Courtesy lamp sw on
Driver door latch assembly (in middle rear of driver door)
Driver door module (ddm) (inside driver door)
Front passenger door latch assembly (in middle rear of left rear door)
Front passenger door module (fpdm) (inside right front door)
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
Gmlan serial data
I/p dimmer switch
Instrument panel module (ipm) (right side of dash, behind glove box)
Left front door courtesy lamp
Left rear door latch assembly (in middle rear of passenger door)
Left rear door module (lrdm) (inside left rear door)
Lf door ajar
Low reference
Lr door ajar sw sig
Rf door ajar sw sig
Right front door courtesy lamp
Right rear door latch assembly (in middle rear of right rear door)
Right rear door module (rrdm) (inside right rear door)
Rr door ajar sw sig
S500
S600
S700
S800

Instrument Illumination Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(in driver door trim harness, 71 cm from driver door lock switch connector) s504
(on dash harness, under dashboard, near firewall grommet) splice pack sp201
Auto
Backlight lamp ctrl
Backlighting control
Backlighting ind (8 bulbs)
Batt pos volt
Computer data lines system
Courtesy lamp on sig
Dimmer sw sig
Driver door lock switch
Driver door module (ddm) (inside driver door)
Driver door switch assembly
Ecm/ tcm fuse 10a
Ext lights fuse 10a
Front passenger door module (fpdm) (inside right front door)
Front passenger window switch
G101 (near left front strut tower, at bottom of inside fender well)
G200 (in passenger compartment, behind left kick panel)
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
Gmlan serial data
Ground
Head
Hot at all times
I/p dimmer switch
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior rear compartment lid release switch
Ipm/aldl fuse 10a
Lamp ctrl sply vol
Lic/ dimming fuse 7.5a
Logic
Low reference
Off
Park
Park lamp relay
Park lamp rly ctrl
Passenger door lock switch
R31
R32
R33
R34
S210
S501
S601
Turn signal/ multi-function switch
Underhood fuse block (right front side of engine compt)

Instrument Illumination Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Cadillac STS V 2007:

Automatic transmission shift lever assembly
Backlight lamp ctrl
Computer data lines system
F c276
F c277
From c212)
Front auxiliary power outlet ashtray
Fuse 2a
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Gmlan serial data
Hazard switch
Hvac control module (in center of dash, below radio)
I/p dimmer switch
Ignition mode switch
Inflatable restraint steering wheel module coil
Left rear door module (lrdm) (inside left rear door)
Left rear window switch
Left steering wheel controls
Nca
Rear auxiliary hvac control module (w/ heated seat)
Right rear door module (rrdm) (inside right rear door)
Right rear window switch
Right steering wheel controls
S210
S224
S227
S228
S310
S311
S700
S800
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Splice pack sp300
Steering column fuse block
Steering wheel control switch assembly
Sunroof switch (if equipped)
Traction control switch

MEMORY SYSTEMS

Driver"s Mirror Wiring Diagram for Cadillac STS V 2007

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List of elements for Driver"s Mirror Wiring Diagram for Cadillac STS V 2007:

5v feed
5v ref
5v rtn
Bat pos voltage
Computer data lines system
Driver door module (ddm) (inside driver door)
Driver door switch assembly (ddsa)
Driver dr mod fuse 15a
Driver outside rearview mirror
Drvr horiz pos sens sig
Drvr vert pos sens sig
G200 (in passenger compt, behind left kick panel)
Gnd
Ground
Horiz motor
Horiz pos sens
Horiz pos sensor
Hot at all times
Infotainment system 010
Left
Left horiz
Left rear fuse block (under left side of rear seat)
Lft mir mtr dn ctrl
Lft mir mtr lft ctrl
Lft mir mtr up/rt ctrl
Logic
Low ref
Low spd gmlan serial data
Mirror switches
Right
Right horiz
S500
S501
Sel left
Sel right
Vert down
Vert motor
Vert pos sens
Vert pos sensor
Vert up

Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac STS V 2007

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List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac STS V 2007:

(in driver seat harness, 21 cm from driver seat adjuster motor assembly c2)
(in driver seat harness, 25 cm from c300)
(in steering column harness)
Bat pos voltage
Computer data lines system
Driver lumbar motor assembly (in driver seat back)
Driver seat adjuster motor assembly (under driver seat cushion)
Driver seat recline motor assembly (under driver seat)
G307 (in passenger compt, to left of driver seat, on left frame rail)
Gnd
Hot at all times
Hud fuse 10a
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
Low spd gmlan serial data
Mem mirror pos sens 5v ref
Mem seat/mirror sens low ref
Memory seat module (msm) (under driver seat)
Nca
Out
Pnk
Power distribution system
Red
Rev steering column tele mtr ctrl
S302
S352 (in driver seat harness, 20 cm from driver seat adjuster motor assembly connector)
S356
S362 (in driver seat harness, 16 cm from c300)
S363
S369 (in steering column harness)
S370
Seats circuit breaker 30a
Steering column tele mtr sig
Steering column tilt motor
Steering column tilt motor ctrl
Steering column tilt mtr sig
Steering column tilt mtr up ctrl
Strg col tilt/tele dn sw sig
Strg col tilt/tele fwd sw sig
Strg col tilt/tele rwd sw sig
Strg col tilt/tele up sw sig
Tan
Telescope in
Telescope out
Telescoping actuator
Tilt actuator (in steering column)
Tilt down
Tilt up
Tilt/ telescope switch
Underhood fuse block (right front side of engine compt)

Memory Seat Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Memory Seat Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(if equipped) driver lumbar adjuster switch
Bat pos voltage
Battery positive voltage
Computer data lines system
Down
Dpm fuse 10a
Driver seat adjuster switch (if equipped)
Drv mem st recline mtr pos sens sig
Drv pwr seat frt vert mtr dn ctrl
Drv pwr seat frt vert mtr up ctrl
Drv pwr seat horiz mtr fwd ctrl
Drv pwr seat horiz mtr rwd ctrl
Drv pwr seat lumbar mtr fwd ctrl
Drv pwr seat lumbar mtr rwd ctrl
Drv pwr seat lumbar mtr up ctrl
Drv pwr seat rear vert mtr dn ctrl
Drv pwr seat rear vert mtr up ctrl
Drv pwr seat recline mtr fwd ctrl
Drv pwr seat recline mtr rwd ctrl
Drv seat lumbar dn sw sig
Drv seat lumbar fwd sw sig
Drv seat lumbar rwd sw sig
Drv st lumbar up sw sig
For- ward
Front vertical down
Front vertical up
Frt vert dn sw sig
Frt vert up sw sig
G307 (in passenger compt, to left of driver seat, on left frame rail)
Gnd
Horiz fwd sw sig
Horiz rwd sw sig
Horizontal forward
Horizontal rearward
Hot at all times
Left rear fuse block (under left side of rear seat)
Low spd gmlan serial data
Mem mirror pos sens 5v ref
Mem seat/mirror sens low ref
Mem st frt vert mtr pos sens sig
Mem st horiz mtr pos sens sig
Mem st lumbar horiz pos sens sig
Mem st lumbar vert pos sens sig
Mem st rr vert mtr pos sens sig
Memory power tilt & power telescopic circuit
Memory seat module (under driver seat)
Pnk
Pwm serial data
Rear vert dn sw sig
Rear vert up sw sig
Rear vertical down
Rear vertical up
Rear- ward
Recline forward
Recline rearward
S302
S349 (w/ front heater seat)
S354
Seat recline mtr fwd ctrl
Seat recline mtr rwd ctrl
Seats circuit breaker 30a
Steering column tele mtr fwd
Steering column tele mtr sig
Steering column tilt mtr sig
Steering column tilt mtr up ctrl
Tan

Memory Seat Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Memory Seat Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(in driver seat harness, 16 cm from c300) s362
(in driver seat harness, 20 cm from driver seat adjuster motor assembly connector) s352
(in driver seat harness, 25 cm from c300) s356
(in driver seat harness, 39 cm from driver seat recline motor connector)
(under driver seat cushion) (if equipped) driver seat adjuster motor assembly
Driver lumbar motor assembly (if equipped) (in driver seat back)
Driver lumbar position sensors
Driver seat front vertical motor
Driver seat front vertical position sensor
Driver seat horizontal motor
Driver seat horizontal position sensor
Driver seat rear vertical motor
Driver seat rear vertical position sensor
Driver seat recline motor assembly (under driver seat)
Driver seat recline position sensor
Horizontal
Memory power tilt & power telescopic circuit
Passenger climate control seat module (under right front seat)
Pnk
Pwm serial data
Red
S351 (w/ power lumber seat)
S363 (in driver seat harness, 21 cm from driver seat adjuster motor assembly c2)
Tan
Vertical

Passenger"s Mirror Wiring Diagram for Cadillac STS V 2007

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List of elements for Passenger"s Mirror Wiring Diagram for Cadillac STS V 2007:

5v feed
5v ref
5v rtn
Bat pos voltage
Computer data lines system
Driver door module (ddm) (inside driver door)
Driver door switch assembly (ddsa)
Driver dr mod fuse 15a
Front passenger door module (fpdm) (inside right front door)
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
Gnd
Ground
Horiz motor
Horiz pos sens
Horiz pos sensor
Hot at all times
Infotainment system 010
Left
Left horiz
Left rear fuse block (under left side of rear seat)
Logic
Low ref
Low spd gmlan serial data
Mirror switches
Pass horiz pos sens sig
Pass mir mtr lft ctrl
Pass vert pos sens sig
Passenger outside rearview mirror
Power distribution system
Psgr dr mod fuse 15a
Right
Right horiz
Right rear fuse block (under right side of rear seat)
Rt mir mtr dn ctrl
Rt mir mtr up/rt ctrl
S500
S501
S600
Sel left
Sel right
Vert down
Vert motor
Vert pos sens
Vert pos sensor
Vert up

NAVIGATION

Navigation Wiring Diagram for Cadillac STS V 2007

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List of elements for Navigation Wiring Diagram for Cadillac STS V 2007:

(coax)
(inside dash, to right rear of radio) global positioning system (gps) antenna
(w/ 15 speaker) auxiliary audio/ video control
3.6l
4.4l & 4.6l
Am/fm1
Am/fm1 antenna signal
Antenna
Antenna coax c5
Aux aud lt sig
Aux aud rt sig
Aux audio left signal
Aux audio right signal
Aux det sig
Aux detect sig
Aux vid hi sig
Aux video hi signal c1
Bare
Battery
Case ground
Cellular microphone signal
Coaxial cable
Computer data lines system
Drain wire
Drn wire
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.4l & 4.6l: on left front frame rail, below left headlamp assembly)
Fm1 antenna
Fm1 antenna signal
Fm2
Fm2 antenna signal
G402 (in rear compt, to rear of left rear shock tower)
Gps antenna
Ground
Hot at all times
Inside rearview mirror (isrvm)
Lo speed gmlan ser data
Nca
Pnk
Radio
Radio antenna coax
Radio antenna module (above center rear of headliner)
Radio rear window antenna
Radio/ onstar fuse 10a
Rear object sensor control module (in left side of rear compt, under rear shelf)
Right rear fuse block (under right side of rear seat)
S15
S17
Splice pack
Vehicle communication interface module (vcim) (in rear compt, near right rear strut tower)
Vehicle speed sig
Vics-fm3 antenna
Vics-fm3 antenna signal
Voice recog aud low ref
Voice recog aud signal
Voice recog low
Voice recog sig
W/ hid headlamps
W/ infotainment system 012, 014 & 015
W/ intelligent high beam control
W/ vehicle communication system

Parking Assistant Wiring Diagram for Cadillac STS V 2007

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List of elements for Parking Assistant Wiring Diagram for Cadillac STS V 2007:

(in rear compartment, to rear of left rear shock tower) g402
Backup lamp sply voltage
Center amber ind
Center amber ind ctrl
Ground
Hot at all times
Hot in run or start
Ign 1 voltage
Left amber ind
Left amber ind ctrl
Left rear corner object sensor (on left rear corner of rear fascia)
Left rear fuse block (under left side of rear seat)
Left rear middle object sensor (on left rear middle of rear fascia)
Low reference
Lr corner object sens sig
Lr middle object sens sig
Navigation circuit
Object sens low ref
Object sens sply voltage
Pnk
R36
R37
R38
R40
Rear integration module (rim) (in left side of rear compartment, under rear shelf)
Rear object sensor control module (in left side of rear compartment, under rear shelf)
Rear parking assist (rpa) diagnostic connector
Rear parking assist (rpa) display
Rear parking assist chime sig
Rear parking audio chime
Rear parking diagnostic input
Red ind
Red ind ctrl
Rev lamp relay
Reverse lamp fuse 10a
Reverse relay control
Right rear corner object sensor (on right rear corner of rear fascia)
Right rear fuse block (under right side of rear seat)
Right rear middle object sensor (on right rear middle of rear fascia)
Rim fuse 10a
Rr corner object sens sig
Rr middle object sens sig
S24
S27
S403
S414
Sensor signal
Splice pack
Telltale assembly sply voltage
Vehicle speed sig

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Cadillac STS V 2007

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List of elements for Passive Restraints Wiring Diagram for Cadillac STS V 2007:

(under center console)
Air bag fuse 10a
Air bag fuse 10a pnk
Battery b+
Case ground
Class 2 (sdm)
Drvr seat belt sw sig
G306
G307 (in passenger compt, to left of driver seat, on left frame rail)
Gmlan serial data
Hot at all times
Hot w/ ign 1 relay energized
Hot w/ run relay energized
Ign
Ign 1 vol
Ign 3 fuse 10a
Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
Instrument panel cluster (ipc)
Left front seat belt retractor (left "b" pillar)
Left front seat belt switch (in left front seat belt buckle)
Left rear fuse block (under left side of rear seat)
Logic
Pass seat belt sw sig
Pnk
Right front seat belt retractor (right "b" pillar)
Right front seat belt switch (in right front seat belt buckle)
Right rear fuse block (under right side of rear seat)
S18
S19
Seat belt ind
Seat belt sw low ref
Signal ground
Splice pack
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Splice pack sp300
Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (1 of 7) for Cadillac STS V 2007:

(3.6l & 4.6l)
(3.6l)
(3.6l: in engine harness, 27 cm from evap canister purge solenoid valve connector) (4.6l: in engine harness, 15 cm from fuel injector 5 connector) s101
(4.4l)
(4.6l)
(engine harness, 36 cm from tcm connector)
(in engine poa harness, 18 cm from ignition coil 1 connector) s127
(in ignition coil harness, 30 cm from ignition coil module 1 connector) s142
(not used)
(right front side of engine compt) underhood fuse block
3.6l
4.4l
4.6l
4.6l/ 4.4l
Automatic headlamp dimming relay
Battery
Blower fuse 40a
Blower relay
C1 h
Camshaft position (cmp) actuator solenoid exhaust bank 1
Camshaft position (cmp) actuator solenoid exhaust bank 2
Camshaft position (cmp) actuator solenoid intake bank 1
Camshaft position (cmp) actuator solenoid intake bank 2
Data link connector (dlc)
Ecm/tcm fuse 10a
Engine control
Engine control module (ecm)
Evaporative emissions (evap) canister purge solenoid valve
Fuel injector
Fusible link
Generator
Heated oxygen sensor (ho2s) bank 1 sensor 1
Heated oxygen sensor (ho2s) bank 2 sensor 1
Hfv6 ecm fuse 15a
Hi fan fuse 30a
High speed fan relay
Ignition coil 1
Ignition coil 3
Ignition coil 5
Ignition coil/ module
Instrument panel cluster (ipc)
Instrument panel module (ipm)
Intake manifold runner control (imrc) solenoid
Ipm/ aldl fuse 10a
Low fan fuse 30a
Low speed fan relay
Module (ecm)
Odd coils fuse 15a
Pnk/ (in engine harness, 14 cm from fuel injector 7 connector) s102
Powertrain relay
Pre o2/ cam fuse 15a
R14
R19
R20
R39
R40
R47
R48
R49
R50
R51
R52
Red
Remote control door lock receiver (rcdlr)
S/p fan relay
S109
S136
Smt-bm fuse (optional) 10a
Starter
To underhood fuse block (horn fuse) (diagram 2 of 7)
To underhood fuse block (post o2 fuse) (diagram 3 of 7)
Transmission control module (tcm)
V8 ecm fuse 10a
Vacuum bypass
Valve
Volt check fuse 10a

Power Distribution Wiring Diagram (2 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (2 of 7) for Cadillac STS V 2007:

(3.6l: 30 cm from ebcm connector) (4.6l: 25 cm from brake pressure sensor connector) s118
(right front side of engine compt) underhood fuse block
(w/ auto headlamps leveling)
Abs fuse 50a
Accessory relay
Ccp fuse 10a
Cmp clu relay
Comp clutch fuse 10a
Distance sensing cruise control module (w/ auto adaptive cruise control)
Electronic brake control module (ebcm)
Ext lights fuse 10a
Fog lamp fuse 15a
Fog lamp relay
From instrument panel module (ipm) (diagram 4 of 7)
From underhood fuse block a (blower fuse) (diagram 1 of 7)
G104 (on right front frame rail, near bumper bracket)
Hdlp washer circuit breaker (optional) 30a
Head up display (hud)
Headlamp leveling module
Headlamp washer fluid pump fluid
Headlamp washer fluid pump relay (w/ high intensity discharge)
High beam relay
Horn fuse 15a
Horn relay
Hud fuse 10a
Hvac control module
Jumper
L rear fuse 60a
Low beam relay/hid mini (optional)
Outside moisture sensor (if equipped)
Park lamp relay
R rear fuse 60a
R10
R11
R23
R24
R27
R28
R31
R32
R35
R36
R37
R38
R56
Rain ssr fuse 7.5a
S411
Spare fuse
Spare relay
Tilt/ telescope switch
Tire pressure monitor module (w/ low tire pressure indicator)
To left rear fuse block (driver door module fuse) (diagram 5 of 7)
To left rear fuse block (elc relay fuse) (diagram 5 of 7)
To right rear fuse block (ign 1 relay) (diagram 7 of 7)
To right rear fuse block (power windows motor circuit breaker) (diagram 6 of 7)
To underhood fuse block (outlet fuse) (diagram 3 of 7)
W/ head up display
W/ low tire pressure indicator
W/o low tire pressure indicator
Windshield wiper/ washer module
Windshield wiper/ washer switch assembly
Wpr mod fuse 30a
Wpr sw fuse 7.5a

Power Distribution Wiring Diagram (3 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (3 of 7) for Cadillac STS V 2007:

(3.6l: in engine harness, 52 cm from ho2s bank 1 sensor 2 connector) (4.6l: in engine harness, 34 cm from c102) s104
(in console harness, 31 cm from hazard switch connector) s312
(in engine harness, 16 cm from fuel injector 8 connector) s103
(in engine harness, 39 cm from brake pressure sensor connector) s105
(in engine poa harness, 25 cm from ignition coil 2 connector) s119
(in ignition coil harness, 36 cm from ignition coil module 2 connector) s131
(in passenger compt, behind right kick panel)
(not used)
(right front side of engine compt) underhood fuse block
3.6l
4.6l
Cmp clu relay
Console auxiliary power outlet
Engine control module (ecm)
Even coils fuse 15a
Fog lamp relay
From right rear fuse block (run/crank fuse, 10a) (diagram 7 of 7)
From underhood fuse block (hud fuse) (diagram 2 of 7)
From underhood fuse block c (pre o2/cam fuse) (diagram 1 of 7)
Front ashtray auxiliary power outlet
Fuel injector
Fuel injector 2
Fuel injector 4
Fuel injector 6
G104 (on right front frame rail, near bumper bracket)
G201
Heated oxygen sensor (ho2s) bank 1 sensor 2
Heated oxygen sensor (ho2s) bank 2 sensor 2
I/p outlet fuse 15a
Ignition coil 2
Ignition coil 4
Ignition coil 6
Ignition coil/ module 2
Ignition coil/ module 4
Ignition coil/ module 6
Ignition coil/ module 8
Instrument panel cluster (ipc)
Nca
Outlet fuse 20a
Pnk
Post fuse 10a
R43
R44
R45
R46
R55
R64
Rear ashtray auxiliary power outlet
Red
Run/crank relay
S137
S212
S311
Spare fuse
Starter fuse 30a
Starter relay
Tcm/ipc fuse 15a
To underhood fuse block (wash noz/aqs fuse) (diagram 4 of 7)
Transmission control module (tcm)
Underhood fuse block (right front side of engine compt)

Power Distribution Wiring Diagram (4 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (4 of 7) for Cadillac STS V 2007:

(not used)
3.6l
4.4l
Abs fuse 15a
Acc ind
Accessory voltage
Accy ind cntrl
Air quality sensor
Ccp fuse 10a
Electronic brake control module (ebcm)
From underhood fuse block (run/crank relay) (diagram 3 of 7)
Hvac control module
Ign 1 voltage
Ign mode sw sply volt
Ignition mode switch
Illum
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Ipm ign mode data sig
Ipm ign mode sw ref volt
Left heated washer nozzle
Maf fuse 10a
Mass air flow (maf)/ intake air temperature (iat) sensor
Mode control b/u
Off
Off in cntrl
Off ind
Pnk
R63
Rear defog relay
Remote control door lock receiver (rcdlr) (under rear speaker shelf)
Right heated washer nozzle
Right rear fuse block (under right side of rear seat)
Run ign 3 voltage
Spare fuse
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Splice pack sp300
Start
Start ind
Start ind cntrl
Starter relay
Starter relay fuse 10a
To accessory relay (diagram 2 of 7)
To ign 1 relay (diagram 7 of 7)
To run relay (diagram 6 of 7)
Underhood fuse block (right front side of engine compt)
Voltage b/u
W/ auto recircualting filter air
W/ heated washer nozzle
Wash noz/ aqs fuse 10a

Power Distribution Wiring Diagram (5 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (5 of 7) for Cadillac STS V 2007:

(in driver door harness, 54 cm from c500) s502
(in passenger seat harness, 17 cm from passenger seat adjuster switch connector) s354
(under left side of rear seat) left rear fuse block
Air bag fuse 10a
Amp fuse 30a
Audio amplifier (w/ infotainment system 010, 012, 014 & 015)
Automatic level control (alc) compressor
Automatic transmission shift lever assembly
Dpm fuse 10a
Driver back cooled seat blower motor
Driver cushion cooled seat blower motor
Driver door module (ddm)
Driver door module fuse 15a
Driver lumbar adjuster switch
Driver seat adjuster switch
Elc relay
Elc relay fuse 30a
Elc sol fuse 10a
Electronic suspension control (esc) module
From underhood fuse block (l rear fuse) (connector c2, pin 1) (diagram 2 of 7)
From underhood fuse block (l rear fuse) (connector c2, pin 2) (diagram 2 of 7)
Inflatable restraint sensing & diagnostic module (sdm)
Joint connector
Left front door subwoofer speaker
Left position lamp relay
Left rear door module (lrdm)
Memory seat module (msm)
Mr-rtd mod fuse 25a
Nca
Position lamp fuse 10a
R13
R18
R28
R29
R31
R32
R36
R37
Rear dr mod fuse 15a
Rear subwoofer speaker
Rev lamp relay
Reverse lamp fuse 10a
Right position lamp relay
Right rear door module (rrdm)
Rr shlf speaker fuse (sub woofer) 15a
S12
S13
S14
S20
S21
S22 (not used)
S23
Spare fuse
Splice pack
Stndby lamp relay
Theft/ shifter fuse 10a
To left rear fuse block (run relay) (diagram 6 of 7)
Trk dr rel relay
Trunk dr/ valet fuse 10a
Tv antenna module
Tv/vics fuse 10a
W/ front climate control seat
W/ infotainment system 010
W/ infotainment system 011,012, 014 & 015
W/ infotainment system 012, 014 & 015
W/ infotainment system 014 & 015
W/ magnetic ride control
W/ memory
W/ power lumbar control seat

Power Distribution Wiring Diagram (6 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (6 of 7) for Cadillac STS V 2007:

(in body harness, 58 cm from right rear fuse block c1) s302
(in body harness, 86 cm from g306) s303
(in passenger seat harness, 24 cm from passenger seat adjuster switch connector)
(in passenger seat harness, 32 cm from c307) s355
(not used)
(under right side of rear seat) right rear fuse block
A/t shift shift lever assembly
Cac coolant pump fuse (4.4l) 10a
Cac coolant pump relay
Canister vent fuse 10a
Climate control seat module
Digital radio receiver
Driver window motor
Elc relay
Evaporative emissions (evap) canister vent solenoid
From instrument panel module (via splice pack sp300, pin 31) (diagram 4 of 7)
From left rear fuse block (trunk dr/ valet fuse) (diagram 5 of 7)
From underhood fuse block (r rear fuse) (connector c3, pin 2) (diagram 2 of 7)
Front passenger window motor
Fuel pump (fp) relay
Fuel pump fuse 15a
G402 (in rear compt, to rear of left rear shock tower)
Ign 3 fuse 10a
Left front seat belt retractor
Left rear fuse block (under left side of rear seat)
Left rear window motor
Memory seat module (msm)
Passenger back cooled seat blower motor
Passenger climate control seat module
Passenger cushion cooled seat blower motor
Passenger lumbar adjuster switch
Passenger seat adjuster switch
R12
R21
R22
R23
R25
R37
Radio
Radio/ onstar fuse 10a
Rear heated seat fuse 20a
Rear heated seat module
Rear integration module (rim)
Rf htd st/ s-band fuse 20a
Right front seat belt retractor
Right rear window motor
Right turn-rim fuse 10a
Run relay
S15
S16
S17
S353
Seats circuit breaker 30a
Spare fuse
Splice pack
Stop lamp relay
Stop lamps fuse 10a
Sunroof control module
Sunroof fuse 20a
Vehicle communication interface module (vcim)
W/ digital radio
W/ front heated & cooling seats
W/ front heated seat
W/ power lumbar control seats
W/ rear heated seat
W/o power lumbar control seats
Window mtrs circuit breaker 30a

Power Distribution Wiring Diagram (7 of 7) for Cadillac STS V 2007

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List of elements for Power Distribution Wiring Diagram (7 of 7) for Cadillac STS V 2007:

(in passenger door harness, 34 cm from front passenger window motor connector)
Air bag fuse 10a
D pnk
From instrument panel module (via splice pack sp201, pin 10) (diagram 4 of 7)
From underhood fuse block (r rear fuse) (diagram 2 of 7)
Front passenger door module (fpdm)
Fuse 7.5a
G401 (in rear compt, to rear of right rear shock tower)
Heated steering wheel control module
Htd stg/ clm fuse 15a
Ign 1 relay
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Inside rearview mirror (isrvm)
Int lamp relay
Interior lamp fuse 10a
Left turn rim fuse 10a
Nca
Pnk
Psgr dr mod fuse 15a
R16
R17
R21
R22
R23
R25
Rear defog fuse 40a
Rear defog relay
Rear integration module (rim)
Rear object sensor control module
Right front door subwoofer speaker
Right rear fuse block (under right side of rear seat)
Rim fuse 10a
Run/crank fuse 10a
S10 (not used)
S11
S22
S23 (not used)
S25
Splice pack
To underhood fuse block (cmp clu relay) (diagram 3 of 7)
W/ infotainment system 010
W/ infotainment system 012, 011, 014 & 015
W/ rear parking assist
W/ steering wheel heater

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 3) for Cadillac STS V 2007

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List of elements for Power Door Locks Wiring Diagram (1 of 3) for Cadillac STS V 2007:

(under right side of rear seat) right rear fuse block
Active ant clock sig
Active ant data sig
Active ant low ref
Ant low ref 1
Ant low ref 2
Ant low ref 3
Ant low ref 4
Ant low ref 5
Automatic transmission shift lever assembly
Back-up keyless entry antenna (inside center console compartment)
Battery positive volt
Computer data lines system
Ecm/tcm fuse 10a
Exterior rear compartment lid release switch
G402 (in rear compt, to rear of left rear shock tower)
G404 (on left side "c" pillar, near rear window)
Ground
Headliner keyless entry antenna (under headliner trim panel)
Hot at all times
Ign 1 relay
Ignition 1 voltage
Ignition mode switch
Keyless entry antenna
Keyless entry sig 1
Keyless entry sig 2
Keyless entry sig 3
Keyless entry sig 4
Keyless entry sig 5
Left front door handle antenna (inside left front door)
Lf door handle sw sig
Low speed gmlan data
Pnk
R21
Rear compartment keyless entry antenna (in back of rear bumper fascia on body (center))
Rear window keyless entry antenna
Remote control door lock receiver (rcdlr) (under rear speaker shelf)
Rf door handle sw sig
Right front door handle antenna (inside right front door)
Sol sply volt
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Tan
Tire pressure ant sig
Trunk release ctrl sig
Underhood fuse block (right front side of engine compartment)

Power Door Locks Wiring Diagram (2 of 3) for Cadillac STS V 2007

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List of elements for Power Door Locks Wiring Diagram (2 of 3) for Cadillac STS V 2007:

(behind right kick panel) g201
(in driver door harness, 52 cm from driver window motor connector) s503
(inside left rear door) left rear door module (lrdm)
(inside right rear door) right rear door module (rrdm)
Actuator lock ctrl
Actuator unlock ctrl
Battery b+
Battery pos voltage
Computer data lines system
Door ajar sw sig
Door ajar switch
Door ajar switch signal
Door handle sw sig
Door key sw sig
Door key switch signal
Door latch ctrl
Door lock ctrl
Door lock motor
Door lock sig
Door open sw sig
Door open switch
Door open switch signal
Door unlatch ctrl
Door unlock ctrl
Door unlock sig
Driver door latch assembly (in middle rear of driver door)
Driver door lock switch
Driver door module (ddm) (inside driver door)
Driver door status indicator (on top rear of driver door trim panel)
Driver door switch assembly (ddsa)
Driver dr mod fuse 15a
G200 (in passenger compartment, behind left kick panel)
G200 (in passenger compt, behind left kick panel)
Gmlan serial data
Ground
Hot at all times
Illuminating lamp
Infotainment system 010
Interior lights system
Latch
Left front door handle switch assembly (on upper right corner of outside door panel)
Left rear door latch assembly (in middle rear of passenger door)
Left rear fuse block (under left side of rear seat)
Lift switch
Lock
Logic
Pnk
Rear dr mod fuse 10a
Rear lid release
Right rear door latch assembly (in middle rear of right rear door)
S500
S501
S700
S800
Status ind sig gnd
Status ind sply volt
Tan
Unlatch
Unlatch enable switch
Unlock

Power Door Locks Wiring Diagram (3 of 3) for Cadillac STS V 2007

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List of elements for Power Door Locks Wiring Diagram (3 of 3) for Cadillac STS V 2007:

(in passenger compartment, behind left kick panel) g200
(right side of dash, behind glove box) instrument panel module (ipm)
Battery pos voltage
Computer data lines system
Door ajar sw sig
Door ajar switch
Door handle sw sig
Door latch ctrl
Door latch motor
Door lock sw sig
Door open sw sig
Door open switch
Door unlatch ctrl
Door unlock sw sig
Fd1
Fd2
Front passenger door module (fpdm) (inside right front door)
G201 (in passenger compartment, behind right kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Garage door opener (w/ universal)
Gmlan serial data
Ground
Hot at all times
Ign 1 volt
Illu lamp
Infotainment system 010
Interior lights system
Interior rear compartment lid release switch
Left rear fuse block (under left side of rear seat)
Lift switch
Lock
Mode data sig
Passenger door latch assembly (in middle rear of left rear door)
Passenger door lock switch
Passenger door status indicator (on top rear of passenger door trim panel)
Pnk
Psgr dr mod fuse 15a
R31
R32
R33
R35
Rear compartment lid release actuator (on center rear of rear compt lid)
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Ref volt
Right front door handle switch assembly
Right rear fuse block (under right side of rear seat)
S20
S21
S214 (in dash harness, 32 cm from ipm c3)
S22
S23
S501
S600
S601
S603 (in passenger door harness, 39 cm from front passenger window motor connector)
Splice pack
Status ind sig gnd
Status ind sply volt
Trk dr rel relay
Trunk ajar sig
Trunk diode
Trunk dr/ valet fuse 7.5a
Trunk release ctrl
Unlatch enable switch
Unlock
Valet lockout sw
Valet switch

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Cadillac STS V 2007

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List of elements for Automatic Day/Night Mirror Wiring Diagram for Cadillac STS V 2007:

(or 850)
Back-up lamp voltage
Bare
Cellular signal
Computer data lines system
Cruise control system
Drain wire
Driver door module (ddm) (inside driver door)
G402 (in rear compt, to rear of left rear shock tower)
Gmlan serial data
Ground
Headlights system
High beam dim enable
High beam dim status
High beam rly ctrl
Hot at all times
Hot w/ ign 1 relay energized
Ignition voltage
Inside rearview mirror (isrvm)
Instrument panel module (ipm) (right side of dash, behind glove box)
Keypad signal
Keypad supp volt
Led sig
Left rear fuse block (under left side of rear seat)
Low reference
Microphone
Mirror signal
Pnk
Pwm sig
R36
R37
R38
R40
Rear integration module (rim) (in left side of rear compt, under rear shelf)
Rev lamp relay
Reverse lamp ctrl
Reverse lamp fuse 10a
Right rear fuse block (under right side of rear seat)
Rim fuse 10a
S310
Vehicle communication interface module (vcim) (if equipped) (in rear compt, near right rear strut tower)
Vehicle speed sig
W/ hid headlamps
W/o hid headlamps

Power Mirrors Wiring Diagram for Cadillac STS V 2007

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List of elements for Power Mirrors Wiring Diagram for Cadillac STS V 2007:

Automatic day/ night mirror low ref
Automatic day/ night mirror sig
Batt positive voltage
Batt volt
Battery
Computer data lines system
Defogger system
Down mirror switch sig
Driver door module (ddm) (inside driver door)
Driver door switch assembly (ddsa)
Driver dr mod fuse 15a
Driver mirror motor horizontal ctrl
Driver mirror motor horizontal/ver ctrl
Driver mirror motor vertical ctrl
Driver outside rearview mirror
E c motor element
Front passenger door module (fpdm) (inside right front door)
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
Gmlan serial data
Gnd
Ground
Heated motor element
Horiz motor
Hot at all times
Left
Left mirror select switch sig
Left mirror switch sig
Left rear fuse block (under left side of rear seat)
Left sel
Logic
Passenger mirror motor horiz/ver ctrl
Passenger mirror motor horizontal ctrl
Passenger mirror motor vertical ctrl
Passenger outside rearview mirror
Power distribution system
Psgr dr mod fuse 15a
Right
Right mirror select switch sig
Right mirror switch sig
Right rear fuse block (under right side of rear seat)
Right sel
S500
S600
Serial data gmlan
Up mirror switch sig
Vert motor

POWER SEATS

Climate Control Seats Wiring Diagram for Cadillac STS V 2007

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List of elements for Climate Control Seats Wiring Diagram for Cadillac STS V 2007:

(in driver seat harness, 15 cm from msm c1) s358
(in driver seat harness, 21 cm from msm c2)
(in passenger compt, to left of driver seat, on left frame rail) g307
(in passenger seat harness, 10 cm from passenger climate control seat module c2) s361
(in passenger seat harness, 27 cm from passenger cushion cooled seat blower motor connector)
(or pnk)
Batt pos volt
Climate control seat module (under right front seat)
Dpm fuse 10a
Driver back cooled seat blower motor (in driver seat back)
Driver back heated seat element (in driver seat back)
Driver cushion cooled seat blower motor (in driver seat cushion)
Driver cushion heated seat element (in driver seat cushion)
Fan spd cntrl
Fan spd ctrl
G307 (in passenger compt, to left of driver seat, on left frame rail)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Harness, 24 cm from passenger climate control seat module c1) s357
Hot at all times
Ign 3 fuse 10a
Ign 3 volt
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
Low ref
Memory seat module (msm) (under driver seat)
Ntc sig
Passenger back cooled seat blower motor (in passenger seat back)
Passenger back heated seat element (in passenger seat back)
Passenger cushion cooled seat blower motor (in passenger seat cushion)
Passenger cushion heated seat element (in passenger seat cushion)
Pnk
Pwm data
R21
R22
R23
R25
Rf htd st/ s-band fuse 20a
Right rear fuse block (under right side of rear seat)
Run relay
S349
S350
S354
S355
S359
S360
Splice pack
Splice pack sp300
Sply vltg
Sply volt

Front Seat Heater Wiring Diagram for Cadillac STS V 2007

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List of elements for Front Seat Heater Wiring Diagram for Cadillac STS V 2007:

(in driver seat harness, 15 cm from msm c1) s358
(in passenger compartment, to left of driver seat, on left frame rail) g307
(in passenger seat harness, 10 cm from passenger climate control seat module c2) s361
(or pnk)
(right side of dash, behind glove box) instrument panel module (ipm)
Batt pos volt
Climate control seat module (under right front seat)
Driver back heated seat element (in driver seat back)
Driver cushion heated seat element (in driver seat cushion)
G307 (in passenger compt, to left of driver seat, on left frame rail)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Harness, 24 cm from passenger climate control seat module c1) s357
Hot at all times
Ign 3 fuse 10a
Ign 3 volt
Left rear fuse block (under left side of rear seat)
Low ref
Memory seat module (msm) (under driver seat)
Ntc sig
Passenger back heated seat element (in passenger seat back)
Passenger cushion heated seat element (in passenger seat cushion)
Pnk
Pwm data
R21
R22
R23
R25
Rf htd st/ s-band fuse 20a
Right rear fuse block (under right side of rear seat)
Run relay
S349
S350
S355
Sp300
Splice pack
Sply volt

Heated Steering Wheel Wiring Diagram for Cadillac STS V 2007

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List of elements for Heated Steering Wheel Wiring Diagram for Cadillac STS V 2007:

(not used)
C277
Fuse 7.5a
G200 (in passenger compt, behind left kick panel)
G401 (in rear compt, to rear of right rear shock tower)
Ground
Heated steering wheel
Heated steering wheel control module (in steering column, under steering wheel)
Heated steering wheel on ind
Hot at all times
Htd stg/ clm fuse 15a
Ign 1 relay
Ign 1 volt
Ind ctrl
Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Left steering wheel controls
Nca
Pnk
R21
R22
R23
R25
Right rear fuse block (under right side of rear seat)
S221
Sensor sig
Splice pack
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Sply volt
Steering wheel control switch assembly

Passenger"s Lumbar Wiring Diagram for Cadillac STS V 2007

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List of elements for Passenger"s Lumbar Wiring Diagram for Cadillac STS V 2007:

A c2
B c1
Battery positive voltage
Down
Fwd
G307 (in passenger compt, to left of driver seat, on left frame rail)
Gnd
Horizontal
Hot at all times
Left rear fuse block (under left side of rear seat)
Lumbar motor down control
Lumbar motor forward control
Lumbar motor rearward control
Lumbar motor up control
Passenger lumbar adjuster switch
Passenger lumbar motor assembly
Pnk
Red
Rwd
S350
S353
Seats circuit breaker 30a
Vertical

Passenger"s Power Seat Wiring Diagram for Cadillac STS V 2007

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List of elements for Passenger"s Power Seat Wiring Diagram for Cadillac STS V 2007:

Down
Front vertical down
Front vertical up
Fwd
G307 (in passenger compt, to left of driver seat, on left frame rail)
Gnd
Horizontal forward
Horizontal rearward
Hot at all times
Left rear fuse block (under left side of rear seat)
Nca
Passenger seat adjuster motor assembly (under passenger seat cushion)
Passenger seat adjuster switch
Passenger seat front vertical motor
Passenger seat horizontal motor
Passenger seat rear vertical motor
Passenger seat recline motor (under front passenger seat, part of seat adjuster motor assembly)
Rear
Rear vertical down
Rear vertical up
Recline forward
Recline rearward
S350 (w/ power lumbar seats)
S353 (w/ power lumbar)
Seats circuit breaker 30a
Tan

Rear Heated Seats Wiring Diagram for Cadillac STS V 2007

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List of elements for Rear Heated Seats Wiring Diagram for Cadillac STS V 2007:

(in rear seat back harness, 10 cm from c315)
(in rear seat back harness, 15 cm from heated rear seat module c1) s365
(in rear seat back harness, 32 cm from right rear heated seat back element connector)
(in rear seat back harness, 39 cm from right rear heated seat back element connector) s367
(not used)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Hot in run
Ignition 3
Left rear back heated seat element (in left rear seat back)
Left rear cushion heated seat element (in left rear seat cushion)
Left rear fuse block (under left side of rear seat)
Left rear heated seat switch
Left rear high temperature indicator
Left rear low temperature indicator
Left rear medium temperature indicator
Lr element ctrl
Lr element sply
Lr high ind
Lr htd sw sig
Lr low ind
Lr med ind
Lr temp sns
Lr temp sns low
Not used
Pnk
Rear auxiliary hvac control module
Rear heated seat module (in center of rear seat back)
Rear htd seats fuse 20a
Right rear back heated seat element (in right rear seat back)
Right rear cushion heated seat element (in right rear seat cushion)
Right rear heated seat switch
Right rear high temperature indicator
Right rear low temperature indicator
Right rear medium temperature indicator
Rr element ctrl
Rr element sply
Rr high ind
Rr htd sw sig
Rr low ind
Rr med ind
Rr temp sns
Rr temp sns low
S366
S368
Sw suply volt

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Cadillac STS V 2007

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List of elements for Power Top/Sunroof Wiring Diagram for Cadillac STS V 2007:

(above headliner, near rear of sunroof) sunroof control module
(in rear compt, to rear of right rear shock tower) g401
Battery
Close ctrl
Close sig
Close vent sig
Dimming
Enable sig
Enable sig c1
Express sig
G402 (in rear compt, to rear of left rear shock tower)
Ground
Hot at all times
Interior lights system
Limit switch
Low ref
Open ctrl
Open sig
Open vent sig
Pnk
Rear integration module (rim) (in left side of rear compartment, under rear shelf)
Right rear fuse block (under right side of rear seat)
Roof close
Roof express
Roof open
S310
Soft stop sig
Sunroof fuse 20a
Sunroof motor
Sunroof motor assembly
Sunroof switches
Tan
Vent close
Vent express
Vent express sig
Vent open

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Power Windows Wiring Diagram (1 of 2) for Cadillac STS V 2007:

Battery
Computer data lines system
Down
Driver door module (ddm) (inside driver door)
Driver dr module fuse 15a
Driver window motor (inside left front door)
Front passenger door module (fpdm) (inside right front door)
Front passenger window motor (inside right front door)
Front passenger window switch
G200 (in passenger compartment, behind left kick panel)
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compartment, behind right kick panel)
G201 (in passenger compt, behind right kick panel)
Ground
Hot at all times
Illum
Interior lights system
Left rear fuse block (under left side of rear seat)
Lf pwd mtr down sig
Lf pwd mtr up sig
Lo spd gmlan
Logic
Power window motor circuit breaker 30a
Psgr dr mod fuse 15a
Pwd status
Rear dr module fuse 15a
Rf express signal
Rf pwd down sig
Rf pwd mtr down sig
Rf pwd mtr up sig
Rf pwd up sig
Right rear fuse block (under right side of rear seat)
S12
S13
S14
S303
S500
S502 (w/ infotaiment system 012, 014 & 015)
S600
S601
S602 (w/ infotaiment system 011, 012, 014 & 015)
Splice pack

Power Windows Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Power Windows Wiring Diagram (2 of 2) for Cadillac STS V 2007:

Battery
Computer data lines system
Down
Driver door switch assembly (ddsa)
Drv window down sig
Drv window express sig
Drv window up sig
Front passenger down sig
Front passenger express sig
Front passenger up sig
G200 (in passenger compartment, behind left kick panel)
G201 (in passenger compartment, behind right kick panel)
Ground
Illum
Interior lights system
Left rear door module (lrdm) (inside left rear door)
Left rear window motor (inside left rear door)
Left rear window switch
Lo spd gmlan
Logic
Lr express sig
Lr pwd down sig
Lr pwd mtr down sig
Lr pwd mtr up sig
Lr pwd up sig
Lr window down sig
Lr window express sig
Lr window up sig
Pwd status
Right rear door module (rrdm) (inside right rear door)
Right rear window motor (inside right rear door)
Right rear window switch
Rr express signal
Rr pwd down sig
Rr pwd mtr down sig
Rr pwd mtr up sig
Rr pwd up signal
Rr window down sig
Rr window express sig
Rr window up sig
S501
S700
S800
Window lock out

RADIO

15-Speaker System Wiring Diagram (1 of 3) for Cadillac STS V 2007

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List of elements for 15-Speaker System Wiring Diagram (1 of 3) for Cadillac STS V 2007:

(coax)
(in rear compartment, near right rear strut tower) vehicle communication interface module (vcim)
3.6l
4.6l & 4.4l
Am/fm1 antenna
Am/fm1 antenna sig
Amp aud prompt sig (+)
Amp audio prompt sig (-)
Antenna 14v sw pwr
Antenna 14v switched pwr
Audio common
Aux aud lh sig
Aux aud rh sig
Aux det sig
Aux detect sig
Aux lh audio signal (1)
Aux rh audio sig
Aux vid hi sig
Aux video hi sig
Auxiliary audio/video control
Bare
Bare bare
Battery
Case ground
Cell tele voice low ref
Cell tele voice sig
Cellular microphone signal
Cntr chnl lo lev aud sig
Cntr chnl lo lev aud sig (-)
Coaxial cable
Computer data lines system
Drain wire
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.4l & 4.6l: on left front frame rail, below left headlamp assembly)
Fm1 antenna
Fm1 antenna sig
Fm2 antenna
Fm2 antenna sig
G402 (in rear compt, to rear of left rear shock tower)
Global positioning system (gps) antenna (inside dash, to right rear of radio)
Gps antenna
Ground
Hot at all times
Inside rearview mirror (isrvm)
Interior lights system
Led backlight dim ctrl
Left audio signal
Left front lo lev aud (-)
Left lo lev aud sig
Left rear lo lev aud (-)
Left rear lo lev aud sig
Lo speed gmlan ser data
Nca
Pnk
Radio
Radio antenna coax
Radio antenna coax c5
Radio antenna module (above center rear of headliner)
Radio rear window antenna
Radio/ onstar fuse 10a
Rear object sensor control module (in left side of rear compt, under rear shelf)
Right audio signal
Right front lo lev aud (-)
Right lo lev aud sig
Right rear fuse block (under right side of rear seat)
Right rear lo lev aud (-)
Right rear lo lev aud sig
S15
S17
Satellite radio circuit
Splice pack
Subwoofer lo lev aud sig
Tan
Vics-fm3 antenna
Vics-fm3 antenna sig
Voice recog aud low ref
Voice recog aud sig
Voice recognition audio sig
Vss
W/ hid headlamps
W/ infotinment system 012, 014 & 015
W/ intelligent high beam control
W/ vehicle communication system

15-Speaker System Wiring Diagram (2 of 3) for Cadillac STS V 2007

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List of elements for 15-Speaker System Wiring Diagram (2 of 3) for Cadillac STS V 2007:

(in steering column harness) s229
1-6
Amp fuse 30a
Amp pwrd wfr cntrl
Bare
C276
C277
Column harness)
Computer data lines system
Cruise control system
Driver door module fuse 15a
Fuse 2a
G401 (in rear compt, to rear of right rear shock tower)
G402 (in rear compt, to rear of left rear shock tower)
Gnd
Hot at all times
Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
Inflatable restraint steering wheel module coil fuse holder (near base of steering column)
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear door speaker
Left rear fuse block (under left side of rear seat)
Left rear speaker
Left steering wheel controls
Low spd gmlan ser data
Mute gap +
Nca
Psgr dr mod fuse 15a
Rear console speaker (w/ ifotainment system 012, 014 & 015)
Rear speaker (subwoofer) fuse 15a
Rear subwoofer speaker
Red
Rem radio cntrl head accy pwr
Right front door subwoofer speaker
Right rear door speaker
Right rear fuse block (under right side of rear seat)
Right rear speaker
Right steering wheel controls
S225
S502
S602
Seek dn
Seek up
Srce gap -
Steering column radio cntrl sig
Steering wheel control switch assembly
Tan
Voice req
Vol down
Vol up
W/ adaptive automatic cruise control
W/o adaptive automatic cruise control

15-Speaker System Wiring Diagram (3 of 3) for Cadillac STS V 2007

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List of elements for 15-Speaker System Wiring Diagram (3 of 3) for Cadillac STS V 2007:

(in rear compt, to rear of left rear shock tower)
(pins 26-32 not used)
(w/ infotainment system 012, 014 & 015) noise compensation microphone
Amp aud prompt sig (+)
Amp audio prompt sig (-)
Amp powered woofer cntrl 2
Amp powered woofer ctrl 1
Amp pwrd wfr cntrl
Audio amplifier (left side of luggage compt)
Bare
Battery
Cell tele voice low ref
Cell tele voice sig
Center console speaker (+)
Center i/p speaker
Cntr chnl lo lev aud sig
Cntr chnl lo lev aud sig (-)
Computer data lines system
Console center speaker (-)
Driver seat left speaker
Driver seat right speaker
Front center speaker (+)
Front center speaker (-)
G402
Gnd
Ground
Left front door subwoofer speaker
Left front i/p speaker
Left front low level audio (-)
Left front low level audio sig
Left front seat left speaker (+)
Left front seat left speaker (-)
Left front seat right speaker (+)
Left front seat right speaker (-)
Left front speaker (+)
Left front speaker (-)
Left front woofer speaker (+)
Left front woofer speaker (-)
Left rear lo lev aud sig
Left rear lo lev audio (-)
Left rear midrange speaker (+)
Left rear midrange speaker (-)
Left rear shelf speaker (+)
Left rear shelf speaker (-)
Low speed gmlan serial data
Noise reduc mic drain wire
Noise reduction mic
Passenger seat left speaker
Passenger seat right speaker
Rear subwoofer speaker (+)
Rear subwoofer speaker (-)
Red
Right front i/p speaker
Right front low level audio (-)
Right front low level audio sig
Right front seat left speaker (+)
Right front seat left speaker (-)
Right front seat right speaker (+)
Right front seat right speaker (-)
Right front speaker (+)
Right front speaker (-)
Right front woofer speaker (+)
Right front woofer speaker (-)
Right rear lo lev aud sig
Right rear lo lev audio (-)
Right rear midrange speaker (+)
Right rear midrange speaker (-)
Right rear shelf speaker (+)
Right rear shelf speaker (-)
Subwoofer lo lev aud sig
Tan
W/ infotainment system 012, 014 & 015

8-Speaker System Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for 8-Speaker System Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(coax)
(in rear compartment, near right rear strut tower) vehicle communication interface module (vcim)
(inside dash, to right rear of radio) global positioning system (gps) antenna
Am/fm1
Am/fm1 antenna signal
Antenna
Antenna 14v sw pwr
Antenna 14v switched pwr
Audio common
Bare
Battery
Case ground
Cell tele voice low sig
Cell tele voice sig
Cell telephone voice signal
Cellular microphone signal
Coaxial cable
Computer data lines system
Drain wire
Fm1
Fm1 antenna sig
Fm2
Fm2 antenna sig
G402 (in rear compt, to rear of left rear shock tower)
Gps antenna
Ground
Hot at all times
Inside rearview mirror (isrvm)
Interior lights system
Led backlight dim cntrl
Left audio signal
Left front lo lev aud (-)
Left front lo lev aud sig
Lo speed gmlan ser data
Nca
Pnk
Radio
Radio antenna coax
Radio antenna coax c5
Radio antenna module (above center rear of headliner)
Radio rear window antenna
Radio/ onstar fuse 10a
Right audio signal
Right front lo lev aud (-)
Right front lo lev aud sig
Right rear fuse block (under right side of rear seat)
S15
S17
Satellite radio circuit
Splice pack
Tan
Vics-fm3 antenna
Vics-fm3 antenna sig
Voice recog aud low ref
Voice recog aud sig
W/ hid headlamps
W/ infotainment system 012, 014 & 015
W/ vehicle communication system

8-Speaker System Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for 8-Speaker System Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(in body harn, 40 cm from g200)
(in steering column harness) s229
(pins 20-32 not used)
(pins 22-38 not used)
1-6
Amp fuse 30a
Audio amplifier (left side of luggage compartment)
Battery
C276
C277
Cellular telephone voice low ref
Cellular telephone voice signal
Center i/p speaker
Computer data lines system
Cruise control
Cruise control system
Front center spkr (+)
Front center spkr (-)
Fuse 2a
G402 (in rear compt, to rear of left rear shock tower)
Gap +
Gap -
Ground
Harness)
Hot at all times
Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
Inflatable restraint steering wheel module coil fuse holder (near base of steering column)
Instrument panel module (ipm) (right side of dash, behind glove box)
Left front door speaker
Left front i/p speaker
Left front spkr out (+)
Left front spkr out (-)
Left frt low level audio sig (-)
Left low level audio sig (+)
Left rear door speaker
Left rear fuse block (under left side of rear seat)
Left rear midrange spkr out (+)
Left rear midrange spkr out (-)
Left steering wheel controls
Low spd gmlan ser data
Low speed gmlan serial data
Mute
Nca
Rear subwoofer speaker
Rear subwoofer spkr out (+)
Rear subwoofer spkr out (-)
Red
Rem radio cntrl head accy pwr
Right front door speaker
Right front i/p speaker
Right front spkr out (+)
Right front spkr out (-)
Right frt low level audio sig (-)
Right low level audio sig (-)
Right rear door speaker
Right rear midrange spkr out (+)
Right rear midrange spkr out (-)
Right steering wheel controls
S205
S207 (in body harn, 58 cm from g200)
S208 (in body harn, 36 cm from g201)
S209 (in body harn, 41 cm from g201)
S225
Seek dn
Seek up
Srce
Steering wheel cntrl sig
Steering wheel control switch assembly
Tan
Voice req
Vol down
Vol up
W/ adaptive automatic cruise control
W/o adaptive automatic

Satellite Radio Wiring Diagram for Cadillac STS V 2007

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List of elements for Satellite Radio Wiring Diagram for Cadillac STS V 2007:

(coax)
(in rear compt, to rear of right rear shock tower) g401
Antenna sig
Audio common
Bare
Battery
Cellular navigation & digital radio antenna
Computer data lines system
Digital radio receiver (on right side of package shelf)
Drain wire
Ground
Hot at all times
Lh audio sig
Radio
Rf htd st/ s-band fuse 20a
Rh audio sig
Right rear fuse block (under right side of rear seat)
Serial data

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Cadillac STS V 2007

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List of elements for Shift Interlock Wiring Diagram for Cadillac STS V 2007:

3.6l
3.6l & 4.6l
4.4l
4.4l & 4.6l
5v ref
A/t shift lock ctrl solenoid
Automatic transmission shift lever assembly
Brake pedal position sensor (attached to top of brake pedal assembly)
C117
Computer data lines system
Hot at all times
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
Logic
Low ref
Remote control door lock receiver (rcdlr) (under rear speaker shelf)
S113 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
Sens sig
Serial data
Serial data wake up
Serial data wake up engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.4l & 4.6l: on left front frame rail, below left headlamp assembly)
Shift lock control
Shift park signal
Theft/ shifter fuse 10a
Transmission control module (tcm) (right front corner of engine compt, on underhood fuse block)

STARTING/CHARGING

Charging Wiring Diagram for Cadillac STS V 2007

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List of elements for Charging Wiring Diagram for Cadillac STS V 2007:

3.6l
4.4l/4.6l
Battery
Battery indicator
Computer data lines system
Current sensor low ref
Current sensor sig
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.4l/4.6l: on left front frame rail, below left headlamp assembly)
Fusible link
G105 (at back of underhood fuse block)
G106 (on rear side of right cylinder head)
G200 (in passenger compt, behind left kick panel)
Gen f-term
Gen l-term
Generator
Gnd
Hi speed gmlan serial data +
Hi speed gmlan serial data -
Hot w/ run/crank relay energized
Ign
Ign 1 voltage
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Lo spd gmlan serial data
Logic
Pnk
Power distribution system
Red
Serial data
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Starter
Tan
Tcm/ipc fuse 15a
Underhood fuse block (right front side of engine compt)

Starting Wiring Diagram for Cadillac STS V 2007

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List of elements for Starting Wiring Diagram for Cadillac STS V 2007:

3.6l
4.4l\4.6l
Battery
Charging circuit
Computer data lines system
Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.4l/4.6l: on left front frame rail, below left headlamp assembly)
G104 (on right front frame rail, near bumper bracket)
G105 (at back of underhood fuse block)
G106 (on rear side of right cylinder head)
Hi speed gmlan serial data +
Hi speed gmlan serial data -
Hot in run or start
Ignition mode data signal
Ignition mode switch
Instrument panel module (ipm) (right side of dash, behind glove box)
Ipm high speed gmlan serial data +
Ipm high speed gmlan serial data -
Off
Pnk
R43
R44
R45
R46
R63
R64
R65
R66
Red
Run/ crank relay
Start
Starter
Starter fuse 30a
Starter relay
Starter relay coil control
Str rly fuse 10a
Tan
Underhood fuse block (right front side of engine compt)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(in rear compartment, to rear of left rear shock tower) g402
(under center console) g306
Air bag fuse 10a
Battery b+
Case ground
Drvr pretensioner high
Drvr pretensioner low
Drvr seat belt sw low
Drvr seat belt sw sig
Forward sensor sig
Gmlan serial data
Gnd
Hot at all times
Hot w/ ign 1 relay energized
Ignition 1
Inflatable restraint i/p module indicator
Inflatable restraint passenger presence system (pps) module (under passenger's seat)
Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
L side impact mod high
L side impact mod low
Left front seat
Left inflatable restraint front end sensor (left side of upper radiator support)
Left inflatable restraint side impact module (left side of left front seat back)
Left inflatable restraint side impact sensor (on base of left "b" pillar, behind trim panel)
Left rear fuse block (under left side of rear seat)
Left seat belt pretensioner (left side of left front seat back)
Lf discriminating low
Lf head curtain high
Lf head curtain low
Lf side impact sig
Lf side impact voltage
Nca
Occ sensor serial data
Off ind
On ind
On ind ctrl
Pass i/p stage 1 high
Pass i/p stage 1 low
Pass i/p stage 2 high
Pass i/p stage 2 low
Pass pretensioner high
Pass pretensioner low
Passenger air bag ind
Pnk
R side impact mod high
R side impact mod low
Rf discriminating low
Rf discriminating sig
Rf head curtain high
Rf head curtain low
Rf side impact sig
Rf side impact voltage
Right front seat
Right inflatable restraint side impact module (right side of right front seat back)
Right inflatable restraint side impact sensor (on base of right "b" pillar, behind trim panel)
Right rear fuse block (under right side of rear seat)
Right seat belt pretensioner (right side of right front seat back)
S18
S19
S20
S21
Seat belt ind
Serial data
Shorting bar
Signal ground
Splice pack
Steer whl stage 1 high
Steer whl stage 1 low
Steer whl stage 2 high
Steer whl stage 2 low
Tan

Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac STS V 2007:

(in left front seat belt buckle) left front seat belt switch
(left "b" pillar) left front seat belt retractor
(right "b" pillar) right front seat belt retractor
(to left of driver's seat, on left frame rail)
Air bag ind
Front passenger door module (fpdm) (inside right front door)
G307
Gmlan (sdm)
Gmlan serial data
Hot w/ run relay energized
Ign
Ign 3 fuse 10a
Inflatable restraint i/p module (right side of dash)
Inflatable restraint steering wheel module (on steering wheel)
Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel)
Instrument panel cluster (ipc)
Left inflatable restraint roof rail module (in passenger compartment roof rail, on left side, above "b" pillar)
Left rear fuse block (under left side of rear seat)
Logic
Nca
Pass seat belt ind
Pnk
Right front seat belt switch (in right front seat belt buckle)
Right inflatable restraint front end sensor (right side of upper radiator support)
Right inflatable restraint roof rail module (in passenger compartment roof rail, on right side, above "b" pillar)
Right rear door module (rrdm) (inside right rear door)
Seat belt ind
Shorting bar
Splice pack
Splice pack sp201 (under dashboard, near firewall grommet)
Splice pack sp300
Splice pack sp303 (in passenger compartment, on right frame rail, near right side of passenger seat)
Stage 1
Stage 2
Tan
Vehicle communication interface module (vcim) (in rear compartment, near right rear strut tower)

TRANSMISSION

3.6L VIN 7

3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(3.6l: in engine harness, 387 cm from c102) (4.6l: in engine harness, 24 cm from c102)
(4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover) engine control module (ecm)
(in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
1-2 shift sol valve
1-2 shift solenoid valve
2-3 shift sol valve
2-3 shift solenoid valve
3.6l
4-5 shift sol valve
4-5 shift solenoid valve
4.6l
751 (or 1551)
A/t iss hi sig
A/t iss low sig
Automatic transmission
Batt positive volt
Brake switch sig
Computer data lines system
Data wake up
Ecm/ tcm fuse 10a
Exterior lights system
G100 (on rear side of right cylinder head)
G104 (on right front frame rail, near bumper bracket)
G113 (front center of right front cylinder head)
Ground
Hi spd gmlan bus +
Hi spd gmlan bus -
Hi spd ser data +
Hi spd ser data -
Hot at all times
Hot in run or start
Ign 1 volt
Low ref
Oss hi sig
Oss low sig
Park/neutral sig
Pc sol valve hi ctrl
Pc sol valve low ctrl
Pnk
Power distribution system
Pressure control (pc) solenoid valve
R43
R44
R45
R46
Run/ crank relay
S106 (in engine harness, 20 cm from tcm connector)
S113
S147
Tan
Tap up/dwn sw sig
Tcc brk sw sig
Tcc/pwm sol ctrl
Tcm/ ipc fuse 15a
Tft sens sig
Torque converter clutch (tcc) pwm solenoid valve
Transmission control module (tcm) (connector: right front corner of engine compartment, on underhood fuse block)
Transmission fluid temperature (tft) sensor
Trs a
Trs b
Trs c
Trs p
Underhood fuse block (right front side of engine compt)

3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for 3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2007:

3.6l
4.6l
Automatic transmission
Automatic transmission input shaft speed sensor
Automatic transmission output shaft speed sensor
Automatic transmission shift lever assembly
D red
Data wake up
Enable switch
G100 (on rear side of right cylinder head)
G113 (front center of right front cylinder head)
G201 (in passenger compt, behind right kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Hot at all times
Hot in run or start
Ign 3 fuse 10a
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
R21
R22
R23
R25
Run relay
S106 (in engine harness, 20 cm from tcm connector)
Tap down -
Tap up +
Tap up/ tap down trans enable switch
Tap up/tap down switch
Transmission manual shift shaft switch assembly

4.4L VIN D

4.4L VIN D, A/T Wiring Diagram for Cadillac STS V 2007

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List of elements for 4.4L VIN D, A/T Wiring Diagram for Cadillac STS V 2007:

(on rear side of right cylinder head) g100
Automatic transmission
Automatic transmission shift lever assembly
B12
Battery positive volt
Center high mounted stop lamp (chmsl)
Control module (ebcm) (on right front corner of engine compt, behind right front wheel)
Ecm/ tcm fuse 10a
Ecm/tcm serial data
Electronic brake
Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
G104 (on right front frame rail, near bumper bracket)
G201 (in passenger compt, behind right kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Hi speed gmlan +
Hi speed gmlan -
Hot at all times
Hot in run or start
Ign 1 volt
Ign 3 fuse 10a
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
Park/neutral sig
Pnk
R21
R22
R23
R25
R40
R43
R44
R45
R46
Right rear fuse block (under right side of rear seat)
Run relay
Run/ crank relay
S113 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
S147
Stop lamp relay
Stop lamp sw sig
Tan
Tap down -
Tap up +
Tap up/ tap down trans enable switch
Tap up/tap down sig
Tap up/tap down sw
Tap up/tap down switch
Tcm/ ipc fuse 15a
Transmission control module (tcm)
Underhood fuse block (right front side of engine compt)

4.6L VIN A

4.6L VIN A, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(3.6l: in engine harness, 387 cm from c102) (4.6l: in engine harness, 24 cm from c102)
(4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover) engine control module (ecm)
(in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
1-2 shift sol valve
1-2 shift solenoid valve
2-3 shift sol valve
2-3 shift solenoid valve
3.6l
4-5 shift sol valve
4-5 shift solenoid valve
4.6l
751 (or 1551)
A/t iss hi sig
A/t iss low sig
Automatic transmission
Batt positive volt
Brake switch sig
Computer data lines system
Data wake up
Ecm/ tcm fuse 10a
Exterior lights system
G100 (on rear side of right cylinder head)
G104 (on right front frame rail, near bumper bracket)
G113 (front center of right front cylinder head)
Ground
Hi spd gmlan bus +
Hi spd gmlan bus -
Hi spd ser data +
Hi spd ser data -
Hot at all times
Hot in run or start
Ign 1 volt
Low ref
Oss hi sig
Oss low sig
Park/neutral sig
Pc sol valve hi ctrl
Pc sol valve low ctrl
Pnk
Power distribution system
Pressure control (pc) solenoid valve
R43
R44
R45
R46
Run/ crank relay
S106 (in engine harness, 20 cm from tcm connector)
S113
S147
Tan
Tap up/dwn sw sig
Tcc brk sw sig
Tcc/pwm sol ctrl
Tcm/ ipc fuse 15a
Tft sens sig
Torque converter clutch (tcc) pwm solenoid valve
Transmission control module (tcm) (connector: right front corner of engine compartment, on underhood fuse block)
Transmission fluid temperature (tft) sensor
Trs a
Trs b
Trs c
Trs p
Underhood fuse block (right front side of engine compt)

4.6L VIN A, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for 4.6L VIN A, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2007:

3.6l
4.6l
Automatic transmission
Automatic transmission input shaft speed sensor
Automatic transmission output shaft speed sensor
Automatic transmission shift lever assembly
D red
Data wake up
Enable switch
G100 (on rear side of right cylinder head)
G113 (front center of right front cylinder head)
G201 (in passenger compt, behind right kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Hot at all times
Hot in run or start
Ign 3 fuse 10a
Instrument panel module (ipm) (right side of dash, behind glove box)
Left rear fuse block (under left side of rear seat)
R21
R22
R23
R25
Run relay
S106 (in engine harness, 20 cm from tcm connector)
Tap down -
Tap up +
Tap up/ tap down trans enable switch
Tap up/tap down switch
Transmission manual shift shaft switch assembly

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Cadillac STS V 2007

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List of elements for Trunk Release Wiring Diagram for Cadillac STS V 2007:

7.5a
Computer data lines system
Driver door module (ddm) (inside driver door)
Driver door switch assembly (ddsa)
Fd1
Fd2
G200 (in passenger compt, behind left kick panel)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Hot at all times
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Interior lights system
Interior rear compartment lid release switch
Left rear fuse block (under left side of rear seat)
Logic
Mess req
Message center
R31
R32
R33
R35
Rear compart lid ajar switch signal
Rear compartment lid release actuator (on center rear of rear compartment lid)
Rear integration module (rim) (in left side of rear compartment, under rear shelf)
Relay ctrl
Right rear fuse block (under right side of rear seat)
S20
S21
S22
S23
S500
S501
Serial data
Serial data c1
Signal ground
Splice pack
Splice pack sp201 (on dash harness, under dashboard, near firewall grommet)
Switch signal
Trk dr rel relay
Trunk diode
Trunk dr/ valet fuse
Trunk open
Valet switch

WARNING SYSTEMS

Warning Systems Wiring Diagram for Cadillac STS V 2007

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List of elements for Warning Systems Wiring Diagram for Cadillac STS V 2007:

(in passenger compt, to left of driver seat, on left frame rail) g307
Air bag fuse 10a pnk s18
Audible alarm
Auto
Battery positive volt
Class 2 serial data
Computer data lines system
Door ajar signal
Door open signal
Driver door key sw sig
Driver door key sw signal
Driver door latch assembly (in middle rear of driver door)
Driver door module (ddm) (inside driver door)
Driver seat belt sw
G101 (near left front strut tower, at bottom of inside fender well)
G200 (in passenger compt, behind left kick panel)
G201 (in passenger compt, behind right kick panel)
G307 (in passenger compt, to left of driver seat, on left frame rail)
Gmlan
Gmlan serial data
Gnd
Ground
Hdlp
Headlamps on sig
Hot at all times
Hot w/ ign 1 relay energized
Hot w/ park lamp relay energized
Hot w/ run relay energized
Ign 3 fuse 10a
Inflatable restraint i/p module indicator
Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console)
Instrument panel cluster (ipc)
Instrument panel module (ipm) (right side of dash, behind glove box)
Ipc
Ipm/aldl fuse 10a
Keyless entry/ tire pressure antenna signal
Left front seat belt retractor (left "b" pillar)
Left front seat belt switch (in left front seat belt buckle)
Left front tire pressure monitor sensor (inside left front wheel, part of valve stem)
Left rear fuse block (under left side of rear seat)
Left rear tire pressure monitor sensor (inside left rear wheel, part of valve stem)
Lf door ajar sw signal
Lf door sw sig
Lic/dimming fuse 7.5a
Logic
Low ref
Low spd serial data
Low speed gmlan serial data
Low tire pressure indicator
Off
Park lamp on sw sig
Pass seat belt sw
Passenger seat belt ind ctrl
Pnk
Rear window keyless entry antenna
Remote control door lock receiver (rcdlr) (under rear speaker shelf)
Right front seat belt retractor (right "b" pillar)
Right front seat belt switch (in right front seat belt buckle)
Right front tire pressure monitor sensor (inside right front wheel, part of valve stem)
Right rear fuse block (under right side of rear seat)
Right rear tire pressure monitor sensor (inside right rear wheel, part of valve stem)
S20
S210
S226
S500
Seat belt indicator
Serial data
Signal ground
Solid state
Splice pack
Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat)
Tan
Turn signal/ multifunction switch
Underhood fuse block (right front side of engine compt)
Volt check fuse 10a

WIPER/WASHER

Wiper/Washer Wiring Diagram (1 of 2) for Cadillac STS V 2007

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List of elements for Wiper/Washer Wiring Diagram (1 of 2) for Cadillac STS V 2007:

(not used)
Acc volt
Accessory relay
G101 (near left front strut tower, at bottom of inside fender well)
G104 (on right front frame rail, near bumper bracket)
Ground
Hdlp relay control
High
Hot at all times
Hot in acc or run
Hot in run or start
Instrument panel module (ipm) (right side of dash, behind glove box)
Int
Left heated washer nozzle
Low
Mist
Off
Pnk
Power distribution system
R35
R36
R37
R38
R43
R44
R45
R46
Right heated washer nozzle
Run/ crank relay
Sns sig 1
Sns sig 2
Tan
Underhood fuse block (right front side of engine compt)
Wash
Wash noz/aqs fuse 10a
Washer fluid level sig
Washer pump ctrl
Wcr/wce
Windshield wiper/ washer module (left rear of engine compt, near windshield)
Windshield wiper/washer switch assembly
Wiper mtr high speed
Wiper sw on signal
Wiper sw signal 1
Wiper sw signal 2
Wiper switch
Wpr mod fuse 30a
Wpr sw fuse 7.5a

Wiper/Washer Wiring Diagram (2 of 2) for Cadillac STS V 2007

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List of elements for Wiper/Washer Wiring Diagram (2 of 2) for Cadillac STS V 2007:

A c1
A c2
A c3
Acc volt
B c1
B c2
B c3
G101 (near left front strut tower, at bottom of inside fender well)
G402 (in rear compt, to rear of left rear shock tower)
Ground
Hdlp wash circuit breaker opt 30a
Hdlp wash relay jumper
Headlamp washer fluid pump
Headlamp washer fluid pump relay (w/ high pressure headlamp washer) (mounted to core support, in front of underhood fuse block)
Hot at all times
Outside moisture sensor (if equipped) (behind inside rearview mirror)
Rain ssr fuse 7.5a
S310
Sns sig 1
Sns sig 2
Tan
Underhood fuse block (right front side of engine compt)
Windshield washer fluid level switch
Windshield washer fluid pump
Windshield/ headlamp washer motor assembly