GROUND DISTRIBUTION – Cadillac STS 2005 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS 2005

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS 2005:

• (at back of underhood fuse block) g105
• (on left side "c" pillar, near rear window) g404
• (on rear side of right cylinder head) g106
• (on right front frame rail, near right front strut tower) g110
• (on right side "c" pillar, near rear window) g403
• (under center console) g306
• A/c compressor clutch
• A/t
• After boil heater pump
• Automatic headlamp dimming relay
• Automatic transmission
• Battery
• Brake fluid level switch
• C110
• 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
• Coolant level switch
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• Engine oil level switch
• G100 (on rear side of right cylinder head)
• G101 (near left front strut tower, at bottom of inside fender well)
• If equipped
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel module (ipm)
• Left heated washer nozzle
• Rear window defogger
• Rear window keyless entry antenna
• Right heated washer nozzle
• S112 (under intake manifold, in valley jumper harness, near cmp actuator solenoids)
• Transmission control module (tcm)
• W/ hid head- lamps
• Windshield headlamp washer motor assembly
• Windshield wiper/ washer module

Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS 2005

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS 2005:

• (right front side of engine compartment) underhood fuse block
• (w/ hid)
• (w/ hid) left headlamp
• (w/ hid) right headlamp
• A/t shift lever assembly
• Accessory relay
• Air quality sensor
• B11
• Blower controller
• C122
• C123
• C311
• Console auxiliary power outlet
• Distance sensing cruise control module
• Front auxiliary power outlet
• Front passenger door module
• Front passenger window motor
• Front passenger window switch
• G104 (on right front frame rail, near bumper bracket)
• G201 (behind right kick panel)
• Hazard switch
• Headlamp leveling module
• Hood ajar switch
• Horn assembly
• Hvac control module
• I/p compartment lamp switch
• Ign 1 relay
• Ignition mode switch
• Instrument panel module (ipm)
• Left front cornering/ side marker lamp
• Left front turn signal/ fog lamp assembly
• Left headlamp
• Left repeater lamp
• Nca
• Passenger door latch assembly
• Passenger door lock switch
• Rear auxiliary hvac control module
• Rear auxiliary power outlet
• Right cooling fan
• Right front cornering/ side marker lamp
• Right front door handle switch
• Right front turn signal/ fog lamp assembly
• Right headlamp
• Right rear door latch assembly
• Right rear door module (rrdm)
• Right rear window motor
• Right rear window switch
• Right repeater lamp
• S/p fan relay
• S210 (in dash harn, 35 cm from c214)
• S600 (in passenger door harn, 32 cm from front passenger window motor connector
• S601 (in passenger door trim harn, 42 cm from passenger door lock switch connector)
• S800 (in right rear door harn, 32 cm from c801)
• Traction control switch
• W/ automatic adaptive cruise control
• W/o hid

Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS 2005

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS 2005:

• (w/ hud)
• (w/o hud) i/p dimmer switch
• C276
• C277
• Data link connector (dlc)
• Driver back heated seat element
• Driver cushion cooled seat blower motor
• Driver cushion heated seat element
• Driver door latch assembly
• Driver door lock switch
• Driver door module (ddm)
• Driver door switch assembly (ddsa)
• Driver seat adjuster switch
• Driver window motor
• G200 (behind left kick panel)
• G307 (to left of driver seat, on left frame rail)
• Head up display (hud)
• Heated steering wheel
• Heated steering wheel control module
• Inflatable restraint steering wheel module coil
• Instrument panel cluster (ipc)
• Interior rear compartment lid release switch
• Left front door handle switch assembly
• Left front seat belt switch
• Left rear door latch assembly
• Left rear door module (lrdm)
• Left rear window motor
• Left rear window switch
• Left steering wheel controls
• Memory seat module (msm)
• Nca
• 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 lumbar adjuster switch
• Passenger seat adjuster switch
• Right front seat belt switch
• Right steering wheel controls
• S224 (in steering column harn)
• S226 (in steering column harn)
• S228 (in steering column harn)
• S500 (in driver door harn, 32 cm from driver window motor conn)
• S501 (in driver door trim harn, 47 cm from driver door lock switch conn)
• S700 (in left rear door harn, 32 cm from c701)
• Splice pack sp201 (on dash harn, under dashboard, near firewall grommet)
• Turn signal/ multifunction switch
• W/ front heater seat
• W/ power lumbar seat
• W/o front heater seat
• W/o power lumbar seat

Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS 2005

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS 2005:

• (exterior) rear compartment lid release switch
• (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/ hid headlamps) inside rearview mirror (isrvm)
• (w/ info- tainment system 014 & 015) tv antenna module
• (w/ info- tainment system 015)
• (w/o hid headlamps) inside rearview mirror (isrvm)
• Audio amplifier
• Automatic level control (alc) compressor
• Center high mounted stop lamp (chmsl)
• Coil
• Digital radio receiver
• Electronic suspension control module
• Fuel pump & sender assembly
• Fuel pump relay
• G401 (rear of right rear shock tower)
• G402 (rear of left rear shock tower)
• Ign 1 relay
• Ign 3 relay
• Left backup lamp
• Left license lamp
• Left rear cornering/ side marker lamp
• Left tail lamp assembly
• Left vanity mirror lamp
• Overhead courtesy/ front reading lamps
• Overhead courtesy/ rear reading lamps
• R11
• R21
• R25
• R36
• Radio
• Rear compartment lid release actuator
• Rear heated seat module
• Rear integration module (rim)
• Rear object sensor control module
• Rear subwoofer speaker
• Remote control door lock receiver (rcdlr)
• Right backup lamp
• Right license lamp
• Right rear cornering/ side marker lamp
• Right tail lamp assembly
• Right vanity mirror lamp
• S400 (in rear fascia harn, 37 cm from left rear corner object sensor conn)
• S401 (in body harn, 15 cm from exterior rear compartment release switch conn)
• Splice pack
• Stop lamp relay
• Sunroof control module
• Theft deterrent alarm siren
• Traffic information receiver (vics)
• Vehicle communication interface module (vcim)

Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS 2005

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS 2005:

• 4 conn)
• A/c compressor clutch
• Automatic transmission
• C110
• Engine control module (ecm)
• G103 (3.6l) (top right side of engine, fastened to ecm case)
• G107 (4.6l) (on rear side of right cylinder head)
• G109 (3.6l) (near right front of engine block)
• G112 (3.6l) (right rear side of engine block, near starter)
• G113 (3.6l) (front center of right front cylinder head)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• 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
• S106 (in engine harn, 20 cm from tcm connector)
• S125 (in engine poa harn, 12 cm from g109)
• S126 (in engine poa harn, 18 cm from g109)
• S128
• S129 (in engine poa harn, 17 cm from g112)
• S133 (in ignition coil harn, 30 cm from ignition coil module 2 connector)
• S144 (in ignition coil harn, approximately 39 cm from ignition coil module 1 connector)
• S148 (in engine poa harn, 39 cm from g113)
• Transmission control module (tcm)