GROUND DISTRIBUTION – Cadillac CTS 2003 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Cadillac CTS 2003

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Cadillac CTS 2003:

• (in engine compartment, on engine block, near generator) g102
• (in engine compartment, on engine near ignition coils) g107
• (in engine compartment, on right frame rail, near abs module) g110
• (in passenger compartment, on package shelf to left of subwoofer) g304
• (in passenger compartment, on right side rear pillar) g303
• (in passenger compartment, under center console) g306
• (in right side of engine compartment, on inner fender wall, near battery) g105
• (no connection)
• A/c compressor clutch switch
• A/t
• A32
• After boil coolant pump
• Automatic transmission
• B12
• Battery
• Brake fluid level switch
• Coolant by-pass solenoid
• Coolant level switch
• Dash integration module (dim)
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• G100 (in engine compartment, on engine block near starter motor)
• G101 (in engine compartment, near left front strut tower, at bottom of inside fender well)
• Headlamp washer fluid pump
• Ignition control module (icm) bank 1
• Ignition control module (icm) bank 2
• Inflatable restraint sensing & diagnostic module (sdm)
• M/t
• Rear window defogger
• Reverse switch
• Transmission control module (tcm)
• Vehicle speed sensor (vss)
• W/o high pressure headlamp washer
• Washer fluid level switch
• Windshield washer fluid pump
• Windshield wiper/ washer module
• With/ high pressure headlamp washer

Ground Distribution Wiring Diagram (2 of 4) for Cadillac CTS 2003

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Cadillac CTS 2003:

• (at left front of engine compartment) fuse block - underhood
• (w/hid) left headlamp
• (w/hid) right headlamp
• A/t
• Accessory relay
• Auxiliary cooling fan
• Auxiliary power outlet
• B12
• Blower motor control processor
• Cigar lighter
• Coil
• Cont- acts
• Electronic prndl
• Front passenger door module (fpdm)
• G104 (on right front corner of vehicle, on right body rail near right headlamp)
• G201 (in passenger compartment, behind right kick pad)
• Headlamp leveling sensor-front
• Horn assembly
• Hvac control module
• Ign 1 relay
• Left cooling fan
• Left fog lamp
• Left headlamp
• Left side marker lamp
• Left turn signal lamp
• M/t
• R16
• R35
• R46
• Right fog lamp
• Right headlamp
• Right rear door module (rrdm)
• Right side marker lamp
• Right turn signal lamp
• S/p fan relay
• S308
• Splice pack sp203 (in passenger compartment, under left side of dash trim pad)
• Traction control switch
• Trailer provisions
• W/automatic headlamps control leveling system
• W/o automatic headlamps control leveling system
• W/o hid

Ground Distribution Wiring Diagram (3 of 4) for Cadillac CTS 2003

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Cadillac CTS 2003:

• (in passenger compartment, to left to driver's seat, on left frame rail) g307
• B12
• Connector)
• Dash integration module (dim)
• Data link connector (dlc) (partial)
• Driver door module (ddm)
• Driver heated seat module
• Driver seat adjuster switch
• G200 (in passenger compartment, behind left kick pad)
• Hazard switch
• Headlamp switch
• Inflatable restraint steering wheel module coil
• Instrument panel cluster (ipc)
• Key-in ignition switch
• Left rear door module (lrdm)
• Memory seat module (msm)
• Nca
• Passenger heated seat module
• Passenger seat adjuster switch
• S119
• S120
• S121
• S305 (in body harness, approximately 180 cm (70.8 in) from left rear fuse block)
• S307 (in left seat harness, approximately 381 cm (150 in) from seat belt switch)
• S320 (in right seat harness, approximately 235 cm (92.5 in) from a 14 pin connector under front passenger's seat)
• Splice pack sp201 (in passenger compartment, behind ignition switch, near hvac module)
• Splice pack sp203 (in passenger compartment, under left side of i/p trim pad)
• Steering wheel controls- center
• Steering wheel controls- left
• Steering wheel controls- right
• Theft deterrent control module
• Turn/ hazard flasher module
• W/8-way adjuster power passenger seat, front heater seat)
• W/o 8-way adjuster power passenger seat, front heater seat)

Ground Distribution Wiring Diagram (4 of 4) for Cadillac CTS 2003

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Cadillac CTS 2003:

• (below left rear seat) left rear fuse block
• (below right rear seat) right rear fuse block
• Audio amplifier
• Avec system, am/fm radio, mcd, dvd, navigation & tv
• B11
• Center high mounted stop lamp (chmsl)
• Coil
• Fuel pump & sender assembly
• Fuel pump relay
• G401 (in rear compartment, to rear of right rear shock tower)
• G402 (in rear compartment, to rear of left rear shock tower)
• If equipped
• Ign 1 relay
• Ign 3 relay
• Inside rearview mirror (isrvm)
• Left backup lamp
• Left license lamp
• Left vanity lamp
• Left- tail lamp
• Nca
• Overhead console courtesy lamp
• R21
• R25
• R36
• Radio
• Rear compartment lid release actuator
• Rear integration module (rim)
• Right backup lamp
• Right license lamp
• Right vanity lamp
• Right- tail lamp
• S314 (in headliner harness, approximately 125 cm (49.8 in) from 2 pin connector, near radio antenna module)
• S401
• Splice pack sp300 (in passenger compartment, near left side of driver's seat)
• Sunroof control switch
• Sunroof module
• Traffic information receiver
• Tv antenna module
• Vehicle communication interface module (vcim)
• W/avec system, am/fm radio, icdx, cd rom, navigation, tv, mcd & dvd
• W/o avec system, am/fm radio, icdx, cd rom, navigation, tv, mcd & dvd
• W/vehicle communication system, gps1