INTERIOR LIGHTS – Chevrolet Impala 2003 – SYSTEM WIRING DIAGRAMS

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Impala 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Impala 2003:

• (main body harn, right side of rear compt, near breakout to rear junction block) s440
• A10
• A11
• Batt rundown protection relay
• Body control module (behind left side of dash)
• Crtsy lmp v
• D400
• Dic/ rke fuse 10a
• Dome
• Dome lmp sw
• 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)
• G302 (at base of right "b" pillar)
• Ground
• H10
• Headlamp switch
• Hot at all times
• I/p brp fuse 10a
• I/p compartment lamp
• Inadvrt rly
• K10
• Left footwell courtesy lamp
• Left i/p junction block
• Off
• Police & taxi
• Rear compartment courtesy lamp
• Rear compartment lid ajar indicator switch
• Rear compartment occupant sensor
• Right footwell courtesy lamp
• Right i/p junction block
• S229
• S236
• S253
• S410
• S420
• S900
• Surveillance mode switch (w/ taxi & police packages)
• Theater dim
• To splice s391 (diagram 2 of 2)
• Trk/roof brp fuse 15a
• Trunk system
• W/ trap alert system
• W/o trap alert system

Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Impala 2003

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Impala 2003:

• (roof harn, right front side of roof) s390
• (w/ gps)
• (w/o gps)
• A1 door ajar
• A10
• A8 door open
• A8 lmp cntrl
• Auxiliary dome lamp (police)
• B11
• Body control module (behind left side of dash)
• C12
• Dome lamp (w/o reading lights)
• Driver door lock
• Driver door lock switch
• From right i/p junction block (diagram 1 of 2)
• Front passenger door lock
• Front passenger door lock switch
• G203 (behind left side of dash, on right side of brake pedal bracket)
• G302 (at base of right "b" pillar)
• Inside rear view mirror
• Left i/p junction block
• Left reading lamp assembly (if equipped)
• Left rear side door lock (impala)
• Left vanity mirror lamp (if equipped)
• Nca
• Right i/p junction block
• Right reading lamp assembly (if equipped)
• Right rear side door lock (impala)
• Right vanity mirror lamp (if equipped)
• S253
• S322 (body harn, approx 10 cm from inflatable restraint driver seat module breakout)
• S328
• S391
• S392
• W/o lighted vanity & police

Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Impala 2003

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Impala 2003:

• A2 park lamp switch input c3
• B11
• Body control module (behind left side of dash)
• Full bright
• 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)
• Ground
• H11
• H12
• Headlamp switch
• Hot at all times
• I/p dimming switch
• Inflatable restraint steering wheel module coil
• Int dim ctrl
• K11
• K12
• Left cruise control switch (set/ cancel)
• Left i/p junction block
• Left radio control (seek/ preset)
• Low dim off
• Nca
• Off
• Park
• Park lamp relay
• Rear park lmp fuse 15a
• Red
• Relay ctrl
• Right cruise control switch (resume/ accel)
• Right i/p 1 fuse 60a
• Right i/p junction block
• Right radio control (volume/ mode)
• S236
• S253
• Steering column fuse 2a
• Steering wheel
• To hvac control module (diagram 2 of 2)
• To left i/p junction block (diagram 2 of 2)
• Underhood junction block (top)

Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Impala 2003

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Impala 2003:

• (2 door)
• (4 door)
• (driver door harn, near outside rearview mirror connector breakout) s550
• (front passenger door harn) s650
• A10
• Ashtray lamp
• Ashtray lamp (w/o front console)
• B10
• C1 e d
• C10
• C11
• C2 c2
• Dim input
• Driver door lock switch
• Driver seat heater switch
• Driver window switch
• Fog lamp switch (if equipped)
• From left i/p junction block (diagram 1 of 2)
• From left i/p junction block a (diagram 1 of 2)
• From left i/p junction block c (diagram 2 of 2)
• Front passenger door lock switch
• Front passenger seat heater switch
• Front passenger window switch
• 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)
• G301 (at base of left "b" pillar)
• G302 (at base of right "b" pillar)
• Hazard & turn signal lamp flasher
• Hvac control module
• Impala
• Instrument cluster
• K c2
• Left i/p junction block
• Monte carlo
• Outside rear view mirror switch
• Prndl lamp
• Radio
• Right i/p junction block
• S229
• S229 (i/p harn, behind right center of instrument cluster)
• S236
• S253
• S320
• S338 (console harn, front area of console)
• S504
• S604
• Surveillance mode switch
• To left i/p junction block (diagram 2 of 2)
• Traction control switch
• W/ front console
• W/ police
• W/o police