POWER DISTRIBUTION – Chevrolet Impala LT 2008 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Chevrolet Impala LT 2008

List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Impala LT 2008:

• (coupe: in body wiring harness, 7 cm from second breakout to x302) (sedan: in body wiring harness, 10 cm from second breakout to x302) j311
• (in right front kick panel) i/p fuse block
• (mounted to right strut tower) underhood fuse block
• (not used)
• Abs mtr1 fuse 60a
• Abs mtr2 fuse 60a
• Air bag fuse 10a
• Amp fuse 25a
• Audio amplifier (w/ enhanced audio speaker system)
• Automatic transmission shift lock control solenoid
• Aux fuse 20a
• B3 x1
• Batt 1 fuse 60a
• Batt 2 fuse 60a
• Batt 4 fuse 30a
• Battery
• Blower motor control module
• Body control module (bcm)
• Cable pro fuse 200a
• Cnstr fuse 10a
• Digital radio receiver (w/ digital audio)
• Door lock pcb relay
• Door unlock pcb relay
• Dr/lck fuse 25a
• Driver door unlock pcb relay
• Driver seat adjuster switch
• Driver window switch
• Ecm/ tcm fuse 15a
• Electronic brake control module (ebcm) (w/ abs)
• Emergency vehicle headlamp flasher
• Emergency vehicle rear compartment lid lamp relay
• Engine control module (ecm)
• Evaporative emission (evap) canister vent solenoid valve
• From pwr/mir j fuse (diagram 1 of 4)
• G302 (below passenger front door opening, rear of right "a" pillar)
• Generator
• Hdlp mdl fuse 15a
• Heated seat control module
• Htd/ seat fuse 20a
• I/p fuse block (in right front kick panel)
• If equipped
• Inflatable restraint front passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Inside rearview mirror
• Int lts/ pnl dim fuse 15a
• J375
• Outside rearview mirror switch
• Passenger seat adjuster switch
• Passenger window switch
• Pwr/mir fuse 2a
• Pwr/seat circuit breaker 25a
• Pwr/wndw circuit breaker 25a
• Radio
• Radio fuse 20a
• Rap fuse 10a
• Rap relay
• Red
• S/roof fuse 20a
• Starter
• Sunroof motor
• Tan
• To center seat accessory power outlet (diagram 2 0f 4)
• To fusible link (diagram 2 of 4)
• To rt t/sig fuse (diagram 2 of 4)
• To s/roof fuse (diagram 1 of 4)
• Transmission control module (tcm)
• Trunk relay
• W/ 8 way driver seat adjuster
• W/ active brake control
• W/ dual reading lamps & power sliding roof
• W/ dual reading lamps & w/o power sliding roof
• W/ floor shifter
• W/ front heated seats
• W/ headlamp flasher
• W/ police
• W/ power sliding roof & w/o dual reading lamps
• W/o 8 way driver seat adjuster
• W/o active brake control
• W/o headlamp flasher
• X1 c2
• X122
• X3 b1
• X302
• X4 d2
• Xm fuse 10a

Power Distribution Wiring Diagram (2 of 4) for Chevrolet Impala LT 2008

List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Impala LT 2008:

• (in automatic transaxle wiring harness, 9.5 cm from connector x100) j115
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• 30a
• 50a
• Air bag/ display fuse 10a
• Automatic transaxle
• Aux pwr fuse 25a
• Body control module (bcm)
• Center console accessory power outlet 1
• Center console accessory power outlet 2
• Center console compartment accessory power outlet
• Center seat accessory power outlet
• Circuit breaker
• Ecm ign fuse 10a
• Engine control module (ecm)
• From aux fuse (diagram 1 of 4)
• From hdlp mdl a fuse (diagram 1 of 4)
• From underhood fuse block (diagram 1 of 4)
• G111 (except 5.3l on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter)
• G200 (front of dash, left of g204)
• G201 (front of dash, above g202)
• G302 (below passenger front door opening, rear of right "a" pillar)
• Hvac control module
• I/p accessory power outlet 1 (w/o floor console)
• I/p accessory power outlet 2 (w/o floor console)
• Ign main pcb relay
• Inflatable restraint passenger air bag on/off indicator
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel cluster (ipc)
• J101
• J231
• J375
• Lt t/sig fuse 15a
• Pnk
• Pwr drop/ crank fuse 10a
• Red
• Rt t/sig fuse 15a
• Seo 1 relay
• Seo 2 relay
• Splice pack sp206 (on i/p harness, near steering column)
• To chmsl/backup fuse (diagram 3 of 4)
• Torque converter clutch (tcc) solenoid valve
• Trans fuse 10a
• Transmission control module (tcm)
• Underhood fuse block (mounted to right strut tower)
• W/ floor console
• W/ police
• W/o floor console
• X1 j3
• X100
• X2 e2
• X4 k1

Power Distribution Wiring Diagram (3 of 4) for Chevrolet Impala LT 2008

List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Impala LT 2008:

• (mounted to right strut tower) underhood fuse block
• 5 volt reference
• A/c cmprsr relay
• Acc
• Acc volt
• Air pump fuse 60a
• Air sol fuse 15a
• Battery positive volt
• Bcm fuse 10a
• Body control module (bcm)
• Chmsl/ backup fuse 10a
• Data link connector (dlc)
• Display fuse 10a
• Drl pcb relay
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 3 relay
• Fog lp pcb relay
• From ign main c pcb relay (diagram 2 of 4)
• From rt spot d fuse (diagram 3 of 4)
• Garage door opener
• High beam pcb relay
• Hvac control module
• Ign 1 volt
• Ignition switch
• Instrument panel cluster (ipc)
• Int lights fuse 10a
• J204 (on steering column harness, between bcm connector c1 & ignition switch)
• Key in ignition switch
• Left spot lamp
• Low beam pcb relay
• Lt spot fuse 15a
• Nca
• Off
• On/off/ crank volt
• Onstar fuse 10a
• Pnk
• Rear defog relay
• Remote control door lock receiver (rcdlr)
• Right spot lamp
• Rt spot fuse 15a
• Run
• Rvc sen fuse 10a
• Secondary air injection (air) pump relay (sulev)
• Secondary air injection (air) pump solenoid relay (sulev)
• Splice pack jx206 (on i/p harness, near steering column)
• Start
• Theft deterrent module
• To drl pcb relay (diagram 3 of 4)
• To pwr/trn relay (diagram 4 of 4)
• Vehicle communication interface module (vcim)
• W/ garage door opener w/o onstar
• W/ onstar & garage door opener
• W/ onstar w/o garage door opener
• W/ police
• Wiper high pcb relay
• Wiper pcb relay
• Wpr fuse 25a
• X4 f3

Power Distribution Wiring Diagram (4 of 4) for Chevrolet Impala LT 2008

List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Impala LT 2008:

• (5.3l)
• (except 5.3l)
• (in engine wiring harness, 5 cm from breakout to fuel injector 3) j108
• (in engine wiring harness, 5 cm from breakout to fuel injector 4) j109
• (on fuel injector wiring harness) j109
• (on ignition control module wiring harness) j106
• (on ignition control module wiring harness) j107
• 5.3l
• A/c cmprsr relay
• Cylinder shutoff solenoid 1
• Cylinder shutoff solenoid 2
• Cylinder shutoff solenoid 3
• Cylinder shutoff solenoid 4
• Emissions 1 fuse 15a
• Emissions 2 fuse 15a
• Engine control module (ecm)
• Etc/ecm fuse 15a
• Evaporative emission (evap) canister purge solenoid valve
• Except 5.3l
• Fan 1 relay
• Fan 2 relay
• Fan 3 relay
• From a/c cmprsr relay (diagram 3 of 4)
• From inj 2 fuse g (diagram 4 of 4)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• Fuel/ pump relay
• Heated oxygen sensor (ho2s)
• Horn pcb relay
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Ignition control module (icm)
• Inj 1 fuse 20a
• Inj 2 fuse 20a
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Nca
• Park lp pcb relay
• Pnk
• Pwr/trn relay
• Secondary air injection (air) pump relay (sulev)
• Secondary air injection (air) pump solenoid relay (sulev)
• Strtr relay
• To emissions 1 fuse (diagram 4 of 4)
• Underhood fuse block (mounted to right strut tower)
• Valve lifter oil manifold (vlom) assembly (5.3l)
• Ws wash pcb relay