GROUND DISTRIBUTION – Chevrolet Impala 2003 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Impala 2003

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Impala 2003:

• 3.4 l
• 3.4l
• 3.8 l
• 3.8l
• A/c compressor
• A12
• Audio amplifier
• Automatic transaxle
• Battery
• Blower motor resistor assembly
• Brake pressure modulator valve
• C113
• C122
• Cruise control module (ccm)
• Digital radio receiver
• Drl relay
• Electronic brake control module (ebcm)
• Emergency vehicle headlamps flasher
• Engine oil indicator switch
• Engine oil level switch
• Fan cont 2 relay
• G100 (right side of engine compartment, on frame rail)
• G101 (left radiator support)
• G111 (lower left rear of engine, below ignition control module)
• G113 (lower left of engine, on transaxle stud)
• G117 (lower left of engine, on transaxle stud)
• G151 (lower left rear of engine, on transaxle stud)
• G171 (top of left frame rail, forward of left front strut tower)
• G202 (behind center of dash)
• Heated oxygen sensor (ho2s) 1
• Heated oxygen sensor (ho2s) 2
• Horn assembly
• Ignition control module (icm)
• Left air temperature actuator
• Left cooling fan
• Left front fog lamp
• Left headlamp
• Mass air- flow (maf) sensor
• Nca
• Powertrain control module (pcm)
• Radio
• Right air temperature actuator
• Right front fog lamp
• Right headlamp
• Right i/p junction block
• S106 (3.8l: engine harn, below left side of radiator) (3.4l: engine harn, on left side of engine compt, above transaxle)
• S216 (i/p harn, behind center of instrument cluster)
• S360 (main body harn, near right "b" pillar)
• Underhood junction block (bottom)
• Underhood junction block (top)
• Vehicle communication interface module
• W/o emergency vehicle handlamps flasher
• Windshield washer solvent container
• Windshield washer solvent level switch
• Windshield washer solvent pump

Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Impala 2003

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Impala 2003:

• (not used)
• Ambient air temperature sensor
• Ashtray lamp
• Auxiliary power drop connector
• Auxiliary power outlet
• Body control module (bcm)
• Brake fluid level indicator switch
• C12
• C201
• C420
• Cigar lighter
• Data link connector (dlc)
• Driver door lock
• Driver door lock cylinder switch
• Driver door lock switch
• Driver information center (dic)
• E11
• Fog lamp switch
• Front passenger door lock
• Front passenger door lock switch
• Fuel pump relay
• G201 (behind left side of dash, on left side of brake pedal bracket)
• G203 (behind left side of dash, on right side of brake pedal bracket)
• Hazard switch
• Headlamp dimmer switch
• Headlamp relay
• Headlamp switch
• Hvac control module
• I/p compartment lamp
• Ignition relay
• Ignition switch
• Impala w/trac- tion control
• Inflatable restraint steering wheel module coil
• Instrument panel cluster (ipc)
• Left i/p junction block
• Left rear door lock (impala)
• Left steering wheel controls (cruise)
• Left steering wheel controls (radio)
• N/a seo
• Nca
• Radio
• Rear compartment lid release switch
• Remote control door lock receiver (rcdlr)
• Retained accessory pwr relay
• Right i/p junction block
• Right rear door lock (impala)
• Right steering wheel controls (cruise)
• Right steering wheel controls (radio)
• S174 (forward lamp harn, near left headlamp)
• S229 (i/p harn, behind right center of instrument cluster)
• S236 (i/p harn, behind right side of instrument cluster)
• S253 (i/p harn, behind lower right side of instrument cluster)
• S322 (impala: main harn, behind left side of passenger compt) (monte carlo: main harn, below driver seat)
• Seo
• Seo fuse block
• Steering column
• Surveillance mode switch
• Traction control switch
• Traction control switch (impala)
• Underhood junction block (bottom)
• Underhood junction block (top)
• W/o console
• Windshield wiper system module

Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Impala 2003

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Impala 2003:

• (impala w/ console) ashtray lamp
• (impala) left courtesy reading lamp
• (impala) right courtesy reading lamp
• (monte carlo) traction control switch
• (w/ console) cigar lighter
• (w/ head- lamp flasher) auxiliary dome lamp
• A18
• Auxiliary power outlet
• C (impala) (monte b
• C311
• Carlo)
• Center high mounted stoplamp
• Driver door lock switch
• Driver heated seat back element
• Driver heated seat relay
• Driver heated seat switch (monte carlo)
• Driver heated seat thermistor
• Driver outside rearview mirror
• Driver seat
• Driver seat adjuster switch
• Driver window switch
• Emergency vehicle rear lamps flasher
• Front passenger door lock switch
• Front passenger heated seat back element
• Front passenger heated seat relay
• Front passenger heated seat switch (monte carlo)
• Front passenger heated seat thermistor
• Front passenger seat adjuster switch
• Front passenger window switch
• Fuel pump
• G301 (at base of left "b" pillar)
• G302 (at base of right "b" pillar)
• G309 (on right side of "b" pillar)
• Harn, right front side of roof)
• Impala
• Inflatable restraint sensing & diagnostic module (sdm)
• Inside rearview mirror
• Left backup lamp (impala)
• Left backup lamp (monte carlo)
• Left license lamp (impala)
• Left seat belt switch
• Left tail lamp assembly
• Left vanity mirror lamp
• License lamp (monte carlo)
• Logic
• Monte carlo
• Nca
• Of rear compt)
• Outside rearview mirror switch
• Passenger outside rearview mirror
• Passenger seat
• Rear compartment lid ajar switch
• Rear compartment lid release actuator
• Rear window defogger grid
• Right backup lamp (impala)
• Right backup lamp (monte carlo)
• Right license lamp (impala)
• Right tail lamp assembly
• Right vanity mirror lamp
• S330
• S333
• S504 (left front door harn, in door)
• S604 (right front door harn, in door)
• S900 (impala: rear deck lid harn, left side of lid) (monte carlo: rear compt lid harn, near center high mounted stoplamp connector breakout)
• S902
• Seat belt switch
• Seo
• Sunroof module
• W/ gps w/o gps
• W/ headlamp flasher
• W/ heated seat
• W/o headlamp flasher
• W/o heated seat
• W/o seo