POWER DISTRIBUTION – Cadillac STS V 2007 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

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

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

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

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

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

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

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

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