Diagram sections — 29 (58 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Compressor Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Compressor Wiring Diagram for Chevrolet Monte Carlo LS 2004: 26 (3.4l (vin e): left front of engine compt, 4 cm from c112 breakout) (3.8l (vin k): left rear of engine, 6.5 cm from egr valve breakout) (except 3.8l (vin 1)) s158 (on transaxle stud, near starter) +5v reference A/c cmpr relay A/c compressor clutch A/c compressor clutch diode (lower left side of engine, at a/c compressor) A/c press signal A/c refrigerant pressure sensor (on left side of engine compt, on liquid line) A/c rly (cmpr) fuse 10a A/c rly (coil) fuse 10a Comp control Computer data lines system E11 F11 G113 (3.8l (vin 1)) G117 (except 3.8l (vin 1)) Hot at all times Hot in run Low reference Nca Pnk Power distribution system Powertrain control module (pcm) (in air cleaner box) Serial data Underhood junction block (bottom) (on front of right strut tower) Underhood junction block (top) (on front of right strut tower) Manual A/C Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Manual A/C Wiring Diagram for Chevrolet Monte Carlo LS 2004: 104 & manifold absolute pressure sensor breakout) (behind right center of dash, 8.5 cm from ignition switch breakout) (except 3.4l (vin e)) s186 (forward lamp wiring harness, 31.5 cm from ambient air temperature sensor breakout) (forward lamp wiring harness, near left headlamp, 18.5 cm from g101 breakout) (in air cleaner box) powertrain control module (pcm) (lower left side of engine, at a/c compressor) a/c compressor clutch diode (on front of right strut tower) underhood junction block (bottom) (top left front of radiator support) g101 +5v reference A/c cmpr relay A/c compressor clutch A/c cruise fuse 10a A/c press signal A/c refrigerant pressure sensor (on left side of engine compt, on liquid line) A/c request ind A/c request sig A/c request switch A/c rly (cmpr) fuse 10a A/c rly (coil) fuse 10a A10 A11 A12 B blower motor speed ctrl B10 B11 B12 Battery Blower motor (on right bottom of heater-a/c assembly) Blower motor control processor (lower right side of dash) Body control module (behind left side of dash, above parking brake lever) C battery positive voltage C10 Class 2 serial Comp control Computer data lines system D temp control switch D4 c1 Defog switch Defogger system Dic/ rke fuse 10a Door ctrl Door ctrl a Door ctrl b Dr ctrl a Dr ctrl b E11 Ect ground Ect signal Engine controls system Engine coolant temperature (ect) sensor (3.8l (vin k): left rear of engine) (3.4l (vin e): near coolant outlet, on left rear of engine) (3.8l (vin 1): below coolant outlet, on left rear of engine) F11 Fan cont 1 fuse 25a Fan cont 1 relay Fan cont 2 & 3 fuse 25a Fan cont 2 relay Fan cont 3 relay G113 (3.8l (vin 1)) g117 (except 3.8l (vin 1)) (on transaxle stud, near starter) G201 (under dash to right side of steering column) G202 (under dash, in center) G203 (under dash, to right of steering column) Ground High High speed Hot at all times Hot in on Hvac blower fuse 30a Hvac class 2 serial data Hvac control module (middle center of dash) I/p junction block (left) (left side of dash, behind access panel) I/p junction block (right) (right side of dash, behind access panel) Ign 3 volt Illum Interior lights system Left air temperature actuator (on left side of heater- a/c assembly) Left cooling fan (front of engine compt) Logic Low Low reference Low speed Mode actuator (lower right side of dash) Mode switch Nca Off blower motor switch Out side air ind Out side air switch P temp control switch Pnk Position sig Power distribution system Rear defog rly ctrl Recirculation actuator Recirculation ind Recirculation switch Red Right air temperature actuator (on right side of heater- a/c assembly) Right cooling fan (front of engine compt) S148 S158 (except 3.8l (vin 1)) (3.4l (vin e): left front of engine compt, 4 cm from c112 breakout) (3.8l (vin k): left rear of engine, 6.5 cm from egr valve breakout) S175 S229 Speed ctrl Tan Underhood junction block (top) (on front of right strut tower)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Anti-lock Brakes Wiring Diagram for Chevrolet Monte Carlo LS 2004: 84 (active handling) (under left side of dash, right of steering column) (w/ active handling) 10 volt ref 3.8l 5 volt ref A11 A9 c1 Abs fuse 10a Abs ind Abs mtr fuse 40a Abs sol fuse 25a Abs/tcs Battery Bcm class 2 Body control module (behind left side of dash, left of steering column) Brake fluid pressure sensor Brake pedal position sensor (w/ active handling) (under left side of dash) Brake pressure modulator valve (mounted to left strut tower) Bus + Bus - C2 c4 Data link connector (dlc) Delivered torque Delivered torque requested torque c3 Driver information center (dic) Electronic brake control module (left side of eng compt, part of brake pressure modulator valve) Electronic power steering system Eng speed sig Engine speed sig G151 (on top of left frame rail, under air cleaner/ pcm housing) G200 (right side of dash cross beam, behind fuse block) Gnd Ground Hot at all times Hot in run or start Ign 1 volt Ign vol 1 Ignition Instrument panel cluster (ipc) Ipc Lateral Lateral acc sig Left front wheel speed sensor (vss) (on left front bearing & hub assembly) Left rear wheel speed sensor (vss) (on left rear bearing & hub assembly) Lf whl spd Logic Low ref Lr whl spd Message center Nca Pcm class 2 Pnk Powertrain control module (left front side of engine compt, in air cleaner assembly) Pump m motor Pump mtr ctrl Red Req torque Rf whl spd Right front wheel speed sensor (vss) (on right front bearing & hub assembly) Right rear wheel speed sensor (vss) (on right rear bearing & hub assembly) Rr whl spd S107 S216 S231 Sens sig Sp205 (right side of upper left footwell) Stability control active Stability off ind (w/ active handling) Steering angle sensor (w/ active handling) (in steering column) Stop lamp sw Stop lamp sw sig Tan Traction control active Traction control switch Traction ctrl sw sig Trip computer Underhood fuse block (mounted to right strut tower) Variable effort W/o active handling Yaw & lateral acceleration sensor (w/ active handling) (at left rear of passenger compt) Yaw rate sens Yaw rate sens sig Yaw rate sens test
ANTI-THEFT Anti-theft Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Anti-theft Wiring Diagram for Chevrolet Monte Carlo LS 2004: 81 A10 A11 A12 Accy sig in Ajar switch B11 B12 Backup lps rly ctrl Bcm b+ Bcm fuse 10a Body control module (behind left side of dash, above parking brake lever) Class 2 data line Class 2 serial data Clstr/bcm fuse 10a D12 Data Data link connector (dlc) (below left side of dash, right of steering column) Dk lk fuse 20a Door ajar in Door locks b+ Driver door ajar in E12 Exterior lights system Exterior lights, interior lights systems Front passenger door lock cylinder switch G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) G302 (below passenger front door opening, rear of right "a" pillar) Gnd Headlamps rly ctrl Headlights system Horn relay ctrl Horns system Hot at all times Hot in acc or on Hot in acc, on or start Hot in on or start Ign 0 sig in Ign 1 sig in Ignition lock cylinder Instrument panel cluster (ipc) Key switch signal Keyless entry data Keyless entry serial data Left front door lock Left front door lock cylinder switch Left front door lock switch Left i/p junction block (left side of dash, behind access panel) Left rear door lock (inside left rear door) Lh htd st/bcm fuse 15a Load b+ Lock Lock/unlock in Logic Message center Nca Passlock b+ Passlock data in Passlock gnd Passlock sensor Pcm/bcm clstr fuse 10a Pnk Power distribution system Powertrain control module (pcm) (in air cleaner box) Rear compartment lid ajar switch Remote control door lock receiver (rcdlr) (on upper center of dash) Right front door lock Right front door lock switch Right i/p junction block (right side of dash, behind access panel) Right rear door lock S236 S253 S322 S440 (main body wiring harness, right side of rear compt, 4 cm from breakout for rear junction block) S900 Security indicator Sp205 (left side of dash) Stop fuse 10a Trunk ajar sw Unlock W/ seo
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Body Control Modules Wiring Diagram for Chevrolet Monte Carlo LS 2004: 82 A/c request sig A/t shift lock sol sup volt A10 A11 A12 Accessory voltage Air conditioning system Anti-lock brakes system Anti-theft system B10 B11 B12 Backup lamp rly ctrl Battery positive voltage Bcm fuse 10a Body control module (behind left side of dash, above parking brake lever) Class 2 serial data Clstr/ bcm fuse 10a Computer data lines system Courtesy lamp low ctrl Courtesy lamp rly ctrl Cruise control system Defogger system Door key sw sig Door lock actr lock ctrl Door lock actr unlock ctrl Door locks system Door open sw sig Dr lk fuse 20a Dr lock sw sig Driver dlk actr unlock ctrl Driver door open sw sig Drl ambient light sen lo ref Drl ambient light sen sig Drl rly ctrl Exterior lights system Fog lamp rly ctrl Front fog lamp sw sig G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) Ground Headlamp lamp high beam sig Headlamp rly ctrl Headlamp sw sig Headlights system Horn rly ctrl Horns system Hot at all times Hot in acc or on Hot in acc, on or start Hot in on or start Ignition 0 voltage Ignition 1 voltage Instrument cluster system Int lamp defeat sw sig Interior lamp ctrl Interior lights system Key-in ign sw sig Keyless entry serial data Left i/p junction block (left side of dash, behind access panel) Lh htd st/bcm fuse 15a Load management ctrl Park lamp rly ctrl Park lamp sw sig Pcm/bcm cluster fuse 10a Pnk Power distribution system S236 S253 Security syst sen sup volt Security system sen low ref Security system sen sig Shift interlock system Stop fuse 10a Tan Traction ctrl sw sig Trunk ajar sw sig Trunk rel rly ctrl Trunk release sw sig Trunk, tailgate, fuel doors system Vehicle speed sig Warning system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Computer Data Lines Wiring Diagram for Chevrolet Monte Carlo LS 2004: 25 Body control module (behind left side of dash, above parking brake lever) C2 d8 Clstr/bcm fuse 10a Data class 2 Data link connector (dlc) (below left side of dash, right of steering column) Digital radio receiver (if equipped) (right rear of wheelwell) Driver information center (dic) (if equipped) Electronic brake control module (ebcm) (w/ abs) (in left rear of engine compartment, on abs hydraulic modulator) Except police vehicle Except police vehicle & taxi G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) Hot at all times Hvac control module (middle center of dash) Inflatable restraint sensing & diagnostic module (sdm) (below passenger's seat) Instrument panel cluster (ipc) Left i/p junction block (left side of dash, behind access panel) Onstar module (w/ vehicle communication system) Power distribution system Powertrain control module (pcm) (in air cleaner box) Radio Right i/p junction block (right side of dash, behind access panel) S236 S253 Sp205 (left side of dash)
COOLING FAN Cooling Fan Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Cooling Fan Wiring Diagram for Chevrolet Monte Carlo LS 2004: 23 (forward lamp wiring harness, 31.5 cm from ambient air temperature sensor breakout) (forward lamp wiring harness, near left headlamp, 18.5 cm from g101 breakout) B10 C10 Ect gnd Ect sig Engine controls system Engine coolant temperature (ect) sensor (3.8l below coolant outlet, on left rear of engine) (3.4l near coolant outlet, on left rear of engine) Fan cont 1 fuse 25a Fan cont 1 relay Fan cont 2 & 3 fuse 25a Fan cont 2 relay Fan cont 3 relay G101 (top left front of radiator support) High spd Hot at all times Left cooling fan (front of engine compt) Low spd Powertrain control module (pcm) (in air cleaner box) c1 Right cooling fan (front of engine compt) S148 S175 Underhood junction block (bottom) (on front of right strut tower)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Cruise Control Wiring Diagram for Chevrolet Monte Carlo LS 2004: 48 A/c cruise fuse 10a All times Anti-lock brakes system B11 Body control module (bcm) (behind left side of dash, above parking brake lever) Brake sig input Brk sw fuse 15a C11 Cruise control module (ccm) (on left strut tower) Cruise control on/off switch Cruise control release switch (behind left side of dash, on brake pedal support) Cruise fuse 2a Cruise ind Cruise inhibit Cruise on/off Cruise release sig Cruise set/coast Disable output Engage ouput Engaged input G113 (on transaxle stud, near starter) Ground Hot at Hot in run Ignition Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left i/p junction block (left side of dash, behind access panel) Left steering wheel controls Logic Nca Power distribution system Powertrain control module (pcm) (in air cleaner box) Resume/ accel switch Resume/accel Right i/p junction block (right side of dash, behind access panel) Right steering wheel controls S106 S217 (i/p wiring harness, 7.5 cm from bcm breakout) Serial data Set/ coast switch Sp205 (left side of dash) Stoplamp switch (on brake pedal support) Vehicle speed input Vehicle speed out Vehicle speed sensor (vss) (on right rear of engine compt, end of transaxle) Vss high Vss low
DEFOGGERS Defoggers Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Defoggers Wiring Diagram for Chevrolet Monte Carlo LS 2004: 39 (below driver door opening, rear of left "a" pillar) g301 (below passenger front door opening, rear of right "a" pillar) g302 (on right "c" pillar) g309 (under dash, to right of steering column) g203 A/c cruise fuse 10a B10 Body control module (behind left side of dash above parking brake lever) D10 D11 Driver outside rearview mirror F nca F10 Gnd Hot at all times Hot in on Htd mir fuse 10a Hvac control module (middle center of dash) Ign Left i/p junction block (left side of dash, behind access panel) Load management control Logic Nca Passenger outside rearview mirror Pnk Radio antenna module (on upper portion of left "c" pillar) Rear defog circuit breaker 30a Rear defog ind Rear defog relay Rear defog rly ctrl Rear defogger momentary switch Rear window Rear window defogger grid Red Right i/p junction block (right side of dash, behind access panel) Rt ip 3 fuse 60a S253 S504 S604 Underhood junction block (bottom) (on front of right strut tower)
ENGINE PERFORMANCE
3.4L VIN E 3.4L VIN E, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2004: 79 (on brake pedal support) stoplamp switch (on transaxle stud, near starter) (pin 14-15 not used) (pin 2-3 not used) (pin 23-27 not used) (pin 34-37 not used) (pin 39-42 not used) (pin 49-52 not used) (pin 66-67 not used) (pin 74-75 not used) (pin 77-78 not used) 1-2 shift sol 2-3 shift sol A/c press sens A/t fluid temp Abs/ pcm fuse 10a Battery Ckp sens a Cmp signal Cooling fans system Crankshaft position sensor b (lower right side of engine) Cruise disable Dfi fuse 15a Ebcm feed Egr control Egr sens Eng spd sig Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 5 Fuel inj 6 Fuel inj fuse 15a Fuel injectors G113 G117 (on transaxle stud) High speed fan Ho2s 2 low Ho2s low Hot at all times Hot in on or start Iac b high Iat sens Ic control Ic sig Ignition Ignition control module (top center rear of engine) Iss sens high Iss sens low Knock sens Left i/p junction block (left end of dash) Low ref Low speed fan Maf sens Map 5v ref Map sens Pcm fuse 15a Pcm ground Pcm,bcm/ cluster fuse 10a Pnk Pnk b Powertrain control module (pcm) (in air cleaner box) Ref low S106 S109 S158 Serial data Spark plugs Tan Tcc brake sw Tp sens Tr switch b Trans sol fuse 10a Underhood junction block (bottom) (right side of engine compt) Underhood junction block (top) (right side of engine compt) Vss high Vss low Vss output 3.4L VIN E, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2004: 28 (below left side of dash, right of steering column) data link connector (engine harn, below intake plenum) 1-2 shift solenoid valve 2-3 shift solenoid valve A/c refrigerent pressure sensor (below accumulator) Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle temperature sensor Body control module (left side of dash) C113 Cruise control module (left strut tower) E pnk Electronic brake control module (left rear of engine compt) Engine coolant temperature (ect) sensor (near coolant outlet, left rear of eng) Knock sensor (bank 1) (lower left rear of engine, below exhaust manifold) Manifold absolute pressure sensor (on intake plenum) Pnk Pressure control solenoid valve Red S121 S217 (i/p harn, near bcm breakout) Splice pack sp205 (taped to harn, left end of dash) Tan Tcc Tcc pulse width modulation solenoid Throttle position (tp) sensor (on throttle assembly) Transaxle input shaft speed sensor Vehicle speed sensor (right rear of engine compt, end of transaxle) 3.4L VIN E, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2004: 39 (in exhaust manifold, rear of engine) heated oxygen sensor 1 (in exhaust, behind catalytic converter) heated oxygen sensor 2 (left side of brake pedal bracket) g203 (on transaxle stud) (right end of dash) A tan B12 C10 D pnk D11 Eng devices fuse 10a Engine oil level switch (on oil pan) Engine oil pressure indicator switch (above starter) Evap canister purge solenoid (top rear of engine) F/pmp rly fuse 15a Fuel pump and sender assembly Fuel pump relay Fuel pump/ level sensor Fuel tank pressure sensor G113 G117 G302 (base of Hot at all times Hot in on or start Mass airflow sensor (in air intake plenum) Nca Oxy sen fuse 15a Pnk Pnk a Pnk c Right "a" pillar) Right i/p junction block c1 S106 S157 S158 S174 Tan Underhood junction block (bottom) (right side of engine compt) Underhood junction block (top) (right side of engine compt) 3.4L VIN E, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2004: 82 (left rear wheelwell) (pin 12-15 not used) (pin 20-22 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 64-65 not used) (pins 36,38 not used) 5v ref a 5v ref b A/c clutch rly A/c refrig press A/c system Abs/ pcm fuse 10a Automatic transaxle C10 C113 Camshaft position sensor (left front of engine, below intake plenum) Ckp sens Cmp sens Crank rly Crankshaft position sensor a (at end of crankshaft) Cruise status D11 Ebcm feed Ect sens Egr pos signal Egr val cntrl Evap can vent Evap canister vent solenoid Exhaust gas recirculation (egr) valve (top rear rear of engine) Ftp sens Ftp sens Fuel inj 4 Fuel level sens Fuel pump relay G113 Generator Generator l term Ho2s 1 high Ho2s 2 high Ho2s htr low Hot in on or start Hot in start Iac a high Iac valve a low Iac valve b Iat sens Idle air control (iac) valve (on throttle body) Ignition Instrument panel cluster Intake air temperature (iat) sensor (in air intake duct) Left i/p junction block (left end of dash) Low ref Malfunction indicator lamp Map sens Mil control Oil level sw Oil press sw Pc sol high Pc sol low Pcm (crank) fuse 10a Pcm crank pwr Pcm,bcm/ cluster fuse 10a Pnk Powertrain control module (pcm) (in air cleaner box) Red Red b Red e S106 S169 (w/ abs) Starting system Tan Tan b Tcc pwm sol Tcc release sw Tft sens Tp sens Tr switch c Tr switch d Tr switch p Trans- mission internal mode switch
3.8L VIN 1 3.8L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2004: 85 (ign harn, top of eng, near icm) (on brake pedal support) stoplamp switch (on trans- axle stud, near starter) (pin 14-15 not used) (pin 2-3 not used) (pin 23-27 not used) (pin 35-37 not used) (pin 39-42 not used) (pin 49-52 not used) (pin 66-67 not used) (pin 74-75 not used) (pin 77-78 not used) (top right of engine, below icm) 1-2 shift sol 2-3 shift sol A/c press sens A/t fluid temp Abs/ pcm fuse 10a Bank 1 ks sig Bank 2 ks sig Battery Camshaft position (cmp) sensor (right side of engine) Cmp signal Cooling fans system Crankshaft position (ckp) sensor (at end of crankshaft) Cruise disable Dfi mdl fuse 15a Ebcm feed Ect sens Egr control Egr sens Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj fuse 15a Fuel injectors G111 G113 High speed fan Ho2s 1 low Ho2s 2 low Hot at all times Hot in on or start Iac b high Iat sens Ic ctrl Ic sig Ignition Ignition control module (icm) (top left front of eng) Iss sens high Iss sens low Left i/p junction block (left end of dash) Lo eng spd sig Low speed fan Maf sens Map 5v ref Map sens Med eng spd sig Not used Pcm fuse 15a Pcm ground Pcm,bcm/ cluster fuse 10a Pnk Pnk p Powertrain control module (pcm) (in air cleaner box) Ref low S106 S109 S144 S145 Serial data Spark plugs Tan Tcc brake sw Tp sens Tr switch b Trans sol fuse 10a Underhood junction block (bottom) (right side of engine compt) Underhood junction block (top) (right side of engine compt) Vss high Vss low Vss output 3.8L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2004: 27 (below left side of dash, right of steering column) data link connector (i/p harn, near bcm breakout) s217 1-2 shift solenoid valve 2-3 shift solenoid valve A/c refrigerant pressure sensor (below accumulator) Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle input shaft speed sensor Automatic transaxle temperature sensor Body control module (left side of dash) C113 Cruise control module (left strut tower) E pnk Electronic brake control module (left rear of engine compt) Engine coolant temperature (ect) sensor (below coolant outlet, left rear of eng) Knock sensor bank 1 (lower left side of engine, near starter) Knock sensor bank 2 (lower right side of engine) Manifold absolute pressure sensor (on intake plenum) Pnk Pressure control solenoid valve Red Splice pack sp205 (taped to harn, left end of dash) Tan Tcc Tcc pulse width modulation solenoid Throttle position (tp) sensor (on throttle assembly) Vehicle speed sensor (right rear of engine compt, end of transaxle) 3.8L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2004: 39 (engine harn, right front of engine near c112) (in exhaust manifold, rear of engine) heated oxygen sensor 1 (in exhaust, post catalytic converter) heated oxygen sensor 2 (on transaxle stud) (under dash, right of steer column) g203 A tan B12 C10 D pnk D11 Eng devices fuse 10a Evap canister purge solenoid (top front of engine) F/pmp rly fuse 15a Fuel pump and sender assembly Fuel pump relay Fuel pump/ level sensor Fuel tank pressure sensor G113 G302 (base of Hot at all times Hot in on or start Mass airflow sensor (top of throttle body) Nca Of dash) Oxy sen fuse 15a Pnk Pnk a Pnk c Right "a" pillar) Right i/p junction block (right end c1 S106 S131 S157 S158 S174 Supercharger boost control solenoid (vin 1) (right side of engine) Tan Under- hood junction block (bottom) (right side of engine compt) Underhood junction block (top) (right side of engine compt) 3.8L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2004: 81 (on transaxle stud) (pin 12-15 not used) (pin 20-22 not used) (pin 36-38 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 64-65 not used) (pin 70-74 not used) (w/ super- charger) 5v ref a 5v ref b A/c clutch rly A/c refrig press A/c system Abs/ pcm fuse 10a Automatic transaxle Boost sol C10 C113 Crank rly Cruise status D11 Ebcm feed Ect sens Egr pos signal Egr val cntrl Engine oil level switch (on oil pan) Engine oil pressure indicator switch (above starter) Evap can vent Evap canister vent solenoid (left rear wheelwell) Exhaust gas recirculation (egr) valve (top right rear of engine) Ftp sens Ftp sens Fuel inj 3 Fuel level sens Fuel pump relay G113 Generator Generator l term Ho2s 1 high Ho2s 2 high Hot in on or start Hot in start Iac a high Iac valve a low Iac valve b Iat sens Idle air control (iac) valve (on throttle body assembly) Ignition Instrument cluster Intake air temperature (iat) sensor (in air intake duct) Left i/p junction block (left end of dash) Malfunction indicator lamp Map sens Mil control Oil level sw Oil press sw Pc sol high Pc sol low Pcm (crank) fuse 10a Pcm crank pwr Pcm,bcm/ cluster fuse 10a Pnk Powertrain control module (pcm) (in air cleaner box) Red Red b Red e S106 S169 (w/ abs) Starting system Tan Tan b Tcc pwm sol Tcc release sw Tft sens Tp sens Tr switch c Tr switch d Tr switch p Trans- mission internal mode switch
3.8L VIN K 3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2004: 85 (ign harn, top of eng, near icm) (on brake pedal support) stoplamp switch (on trans- axle stud, near starter) (pin 14-15 not used) (pin 2-3 not used) (pin 23-27 not used) (pin 35-37 not used) (pin 39-42 not used) (pin 49-52 not used) (pin 66-67 not used) (pin 74-75 not used) (pin 77-78 not used) (top right of engine, below icm) 1-2 shift sol 2-3 shift sol A/c press sens A/t fluid temp Abs/ pcm fuse 10a Bank 1 ks sig Bank 2 ks sig Battery Camshaft position (cmp) sensor (right side of engine) Cmp signal Cooling fans system Crankshaft position (ckp) sensor (at end of crankshaft) Cruise disable Dfi mdl fuse 15a Ebcm feed Ect sens Egr control Egr sens Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj fuse 15a Fuel injectors G111 G113 High speed fan Ho2s 1 low Ho2s 2 low Hot at all times Hot in on or start Iac b high Iat sens Ic ctrl Ic sig Ignition Ignition control module (icm) (top left front of eng) Iss sens high Iss sens low Left i/p junction block (left end of dash) Lo eng spd sig Low speed fan Maf sens Map 5v ref Map sens Med eng spd sig Not used Pcm fuse 15a Pcm ground Pcm,bcm/ cluster fuse 10a Pnk Pnk p Powertrain control module (pcm) (in air cleaner box) Ref low S106 S109 S144 S145 Serial data Spark plugs Tan Tcc brake sw Tp sens Tr switch b Trans sol fuse 10a Underhood junction block (bottom) (right side of engine compt) Underhood junction block (top) (right side of engine compt) Vss high Vss low Vss output 3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2004: 27 (below left side of dash, right of steering column) data link connector (i/p harn, near bcm breakout) s217 1-2 shift solenoid valve 2-3 shift solenoid valve A/c refrigerant pressure sensor (below accumulator) Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle input shaft speed sensor Automatic transaxle temperature sensor Body control module (left side of dash) C113 Cruise control module (left strut tower) E pnk Electronic brake control module (left rear of engine compt) Engine coolant temperature (ect) sensor (below coolant outlet, left rear of eng) Knock sensor bank 1 (lower left side of engine, near starter) Knock sensor bank 2 (lower right side of engine) Manifold absolute pressure sensor (on intake plenum) Pnk Pressure control solenoid valve Red Splice pack sp205 (taped to harn, left end of dash) Tan Tcc Tcc pulse width modulation solenoid Throttle position (tp) sensor (on throttle assembly) Vehicle speed sensor (right rear of engine compt, end of transaxle) 3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2004: 39 (engine harn, right front of engine near c112) (in exhaust manifold, rear of engine) heated oxygen sensor 1 (in exhaust, post catalytic converter) heated oxygen sensor 2 (on transaxle stud) (under dash, right of steer column) g203 A tan B12 C10 D pnk D11 Eng devices fuse 10a Evap canister purge solenoid (top front of engine) F/pmp rly fuse 15a Fuel pump and sender assembly Fuel pump relay Fuel pump/ level sensor Fuel tank pressure sensor G113 G302 (base of Hot at all times Hot in on or start Mass airflow sensor (top of throttle body) Nca Of dash) Oxy sen fuse 15a Pnk Pnk a Pnk c Right "a" pillar) Right i/p junction block (right end c1 S106 S131 S157 S158 S174 Supercharger boost control solenoid (vin 1) (right side of engine) Tan Under- hood junction block (bottom) (right side of engine compt) Underhood junction block (top) (right side of engine compt) 3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2004 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2004: 81 (on transaxle stud) (pin 12-15 not used) (pin 20-22 not used) (pin 36-38 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 64-65 not used) (pin 70-74 not used) (w/ super- charger) 5v ref a 5v ref b A/c clutch rly A/c refrig press A/c system Abs/ pcm fuse 10a Automatic transaxle Boost sol C10 C113 Crank rly Cruise status D11 Ebcm feed Ect sens Egr pos signal Egr val cntrl Engine oil level switch (on oil pan) Engine oil pressure indicator switch (above starter) Evap can vent Evap canister vent solenoid (left rear wheelwell) Exhaust gas recirculation (egr) valve (top right rear of engine) Ftp sens Ftp sens Fuel inj 3 Fuel level sens Fuel pump relay G113 Generator Generator l term Ho2s 1 high Ho2s 2 high Hot in on or start Hot in start Iac a high Iac valve a low Iac valve b Iat sens Idle air control (iac) valve (on throttle body assembly) Ignition Instrument cluster Intake air temperature (iat) sensor (in air intake duct) Left i/p junction block (left end of dash) Malfunction indicator lamp Map sens Mil control Oil level sw Oil press sw Pc sol high Pc sol low Pcm (crank) fuse 10a Pcm crank pwr Pcm,bcm/ cluster fuse 10a Pnk Powertrain control module (pcm) (in air cleaner box) Red Red b Red e S106 S169 (w/ abs) Starting system Tan Tan b Tcc pwm sol Tcc release sw Tft sens Tp sens Tr switch c Tr switch d Tr switch p Trans- mission internal mode switch
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2004: 24 (behind left side of dash, above parking brake lever) body control module (on transaxle stud, near starter) g113 Automatic transaxle B/u lamp fuse 10a Back-up lamps relay Back-up lp rly ctrl D10 Dic/rke fuse 10a G302 (below passenger front door opening, rear of right ``a" pillar) Hot at all times Ims sig a Ims sig b L10 Left back- up lamp Mirrors system (automatic day/night mirror) N10 Powertrain control module (pcm) (in air cleaner box) Right back- up lamp Right i/p junction block (right side of dash, behind access panel) S106 S401 Serial data Sp205 (left side of dash) Transaxle internal mode switch Exterior Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Exterior Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2004: 74 (forward lamp wiring harness, 7 cm left of right headlamp connector breakout) (rear body wiring harness, right side of rear compt, 19.5 cm from p400) s400 A10 A11 A4 tan A9 tan Anti-lock brakes system B11 Body control module (behind left side of dash, above parking brake lever) Brake sw fuse 15a C11 Center high mounted stop lamp (chmsl) Cruise control system E10 F12 Front park lp fuse 15a G101 (top left front of radiator support) G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) G302 (below passenger front door opening, rear of right ``a" pillar) Gnd H11 H12 Haz sw fuse 15a Hazard Hazard switch Head Headlamp switch Hot at all times Hot in run or start Illum Instrument panel cluster (ipc) Interior lights K11 K12 Left Left headlamp Left i/p junction block (left side of dash, behind access panel) Left tail lamp Left turn indicator Left turn input License lamp Logic Normal Off Park Park lp relay Park park Pnk Power distribution system Rear park lp fuse 15a Red Right Right headlamp Right i/p junction block (right side of dash, behind access panel) Right tail lamp Right turn indicator Right turn input Rt i/p 1 fuse 60a S150 S176 S229 S253 S401 S900 Stop Stoplamp switch (on brake pedal support) Tan Turn Turn sig sw out Turn signal fuse 15a Turn signal/ multifunction switch (in steering column) Turn/ stop Underhood junction block (top) (on front of right strut tower)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Monte Carlo LS 2004 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Monte Carlo LS 2004: 51 (if equipped) digital radio receiver (if equipped) emergency vehicle headlamps flasher (not used) (on front of right strut tower) underhood junction block (bottom) (on front of right strut tower) underhood junction block (top) (w/ performance enhanced audio) audio amplifier 3.4l 3.8l 3.8l (vin 1) 3.8l (vin k), 3.4l A/c compressor clutch A/c compressor clutch diode A12 Automatic transaxle Battery Brake pressure modulator valve (bpmv) C122 Cruise control module (ccm) Drl relay Electronic brake control module (ebcm) Engine oil level switch Engine oil pressure (eop) switch Fan cont 2 relay G101 (top left front of radiator support) G111 (top right of engine, below ignition control module) G113 (on transaxle stud, near starter) G117 (on transaxle stud, above g113) G151 (on top of left frame rail, near g151) G171 (on top of left frame rail, forward of left front strut tower) G202 (under dash, in center) Heated oxygen sensor (ho2s) sensor 2 Horn assembly Ignition control module (icm) Left cooling fan Left front fog lamp Left headlamp Mass air- flow (maf) sensor Nca Powertrain control module (pcm) Radio Right front fog lamp Right headlamp Right i/p junction block (right side of dash, behind access panel) S106 (3.8l (vin k): near breakout to throttle position sensor) (3.4l (vin e): on left side of engine compt, 4 cm from powertrain control module connectors breakout) S360 (main body wiring harness, right side of floor, 25 cm from c356 breakout) Vehicle communication interface module (vcim) W/ seo W/o emergency vehicle handlamps flasher W/o seo Windshield washer fluid level switch Windshield washer fluid pump Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Monte Carlo LS 2004 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Monte Carlo LS 2004: 61 (if equipped) driver information center (dic) (impala) left rear door lock (impala) right rear door lock (impala) traction control switch (left side of dash, behind access panel) left i/p junction block (monte carlo) traction control switch (not used) (on front of right strut tower) underhood junction block (bottom) (on front of right strut tower) underhood junction block (top) (w/ anti- theft) driver door lock cylinder switch Ambient air temperature sensor Ashtray lamp Auxiliary power drop connector Auxiliary power outlet Body control module (bcm) Brake fluid level switch C12 Cigar lighter Data link connector (dlc) Driver door lock Driver door lock switch E11 Fog lamp switch Front passenger door lock Front passenger door lock switch Fuel pump relay G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) Hazard switch Headlamp dimmer switch Headlamp relay Headlamp switch Hvac control module Ignition relay Ignition switch Impala Impala ls/ monte carlo ss Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left steering wheel controls (cruise) Left steering wheel controls (radio) Nca Radio Rear compartment lid release switch Remote control door lock receiver (rcdlr) Retained accessory pwr relay Right i/p junction block (right side of dash, behind access panel) Right steering wheel controls (cruise) Right steering wheel controls (radio) S174 (forward lamp wiring harness, 10.5 cm from ambient air temperature sensor breakout) S229 (i/p wiring harness, behind right center of dash, 8.5 cm from ignition switch breakout) S236 (i/p wiring harness, behind left side of dash, 4 cm from bcm breakout) S322 (main body wiring harness, left side of passenger compt, 10 cm from c311 breakout) Seo fuse block Steering column Surveillance mode switch Traction control switch W/ seo W/o console W/o seo Windshield wiper system module Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Monte Carlo LS 2004 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Monte Carlo LS 2004: 76 (if equipped) sunroof module (impala) left backup lamp (impala) left courtesy/ reading lamp (impala) left license lamp (impala) right backup lamp (impala) right courtesy/ reading lamp (impala) right license lamp (main body wiring harness, 70 cm from c405 breakout) s328 (monte carlo w/ heated seats) driver heated seat switch (monte carlo w/ heated seats) front passenger heated seat switch (monte carlo) left backup lamp (monte carlo) license lamp (monte carlo) right backup lamp (monte carlo) traction control switch (w/ console) auxiliary power outlet (w/ console) cigar lighter (w/ gps) (w/ head- lamp flasher) auxiliary dome lamp (w/ heated seats) driver heated seat back element (w/ heated seats) driver heated seat relay (w/ heated seats) driver heated seat thermistor (w/o gps) A18 C (impala) (monte b Carlo) Center high mounted stoplamp (chmsl) Dk5 Driver door lock switch Driver outside rearview mirror Driver seat Driver seat adjuster switch Driver window switch Emergency vehicle rear lamps flasher From driver window switch breakout) (monte carlo: 6.5 cm forward of outside rearview mirror connector breakout) From p400) Front passenger door lock switch Front passenger heated seat back element Front passenger heated seat relay Front passenger heated seat thermistor Front passenger seat adjuster switch Front passenger window switch Fuel pump G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, rear of right "a" pillar) G309 (on right "c" pillar) Impala Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror Left seat belt switch Left tail lamp Left vanity mirror lamp Logic Monte carlo Nca Outside rearview mirror switch Passenger outside rearview mirror Passenger seat (w/ passenger power seat) Rear compartment lid ajar switch Rear compartment lid release actuator Rear window defogger grid Right tail lamp Right vanity mirror lamp S333 S392 (impala: right side of roof, 6 cm from dome lamp breakout) (monte carlo: right side of roof, 10 cm from dome lamp breakout) S604 (impala: 6.5 cm from door lock switch breakout) (monte carlo: 3.5cm rearward of outside rearview mirror connector breakout) S900 (rear compartment lid wiring harness, 20 cm from center high mounted stoplamp breakout) S902 (7 cm from p909) W/ driver power seats W/ headlamp flasher W/ heated seats W/ inside sunshade mirror W/ seo W/o driver power seats W/o headlamp flasher W/o heated seats W/o seo
HEADLIGHTS Headlights Wiring Diagram, without Police Or Emergency Vehicle Option for Chevrolet Monte Carlo LS 2004 List of elements for Headlights Wiring Diagram, without Police Or Emergency Vehicle Option for Chevrolet Monte Carlo LS 2004: 60 (forward lamp wiring harn, 4 cm from ambient air temp sensor breakout) s173 (on front of right strut tower) Al sens ref Al sens sig Ambient light sensor (top right of dash, near defogger outlet) B10 Body control module (bcm) (behind left side of dash, above parking brake lever) Computer data lines system Drl relay Drl/ext lts fuse 15a E10 c1 E11 Ext lts fuse 10a F12 Fog lamp indicator Fog lamp switch Fog light relay Fog lp relay Fog lp sw Fog rly fuse 10a G pnk G101 (top left front of radiator support) G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) Ground distribution system Head Headlamp dimmer switch Headlamp relay Headlamp rly Headlamp sw Headlamp switch High beam High beam in High beam ind High beam out Hot at all times Instrument panel cluster (ipc) Interior lights system Ipc class 2 serial data Left front fog lamp Left headlamp Left i/p junction block (left side of dash, behind access panel) Logic Low beam Message center Off Park Park brake in Park brake switch (at base of parking brake assembly) Pnk Right front fog lamp Right headlamp S150 S172 (forward lamp wiring harn, 2.5 cm from ambient air temp sensor breakout) S236 S253 Serial data Turn signal/ multifunction switch (in steering column) Underhood junction block (top) Underhood junction block (top) (on front of right strut tower)
HORN Horn Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Horn Wiring Diagram for Chevrolet Monte Carlo LS 2004: 17 Body control module (behind left side of dash, above parking brake lever) G101 (top left front of radiator support) G201 (under dash, to right of steering column) Horn assembly (lower right front of vehicle) Horn brush Horn relay Horn relay ctrl Horn relay fuse 15a Horn switch Hot at all times Nca S148 S236 Slip ring Spring Steering column Underhood junction block (top) (on front of right strut tower)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Monte Carlo LS 2004: 98 (clear) (if equipped) (in master (or 685) (or 686) (or tan) (passenger compt, 10 cm from c311 breakout) s322 -charge indicator -trunk open -change engine oil -traction active -over speed -low oil pressure -hot coolant temp -service traction system -reduced engine power -low tire pressure -intrusion on -intrusion off -door ajar -high beam out -low engine oil level -service vehicle soon -low brake fluid -security -low washer fluid -low fuel 3.4l 3.8l A/c- cruise fuse 10a Abs ind Air bag ind Ambient air temperature sensor (front of radiator support) Ambient temp Battery Boost gauge Brake fluid level Brake ind Brake lvl C10 C12 Check (malfunction indicator lamp-mil) Clstr/ bcm fuse 10a Computer data lines system Cruise ind Cylinder Data line Dic/ rke fuse 10a Display Driver information center (dic) Engine coolant temper- ature gauge Engine oil level switch (open w/ low oil level) (3.8l) (left center of oil pan) Engine oil pressure (eop) switch (on left side of engine, above starter) Engine oil pressure (eop) switch (right front of engine, below power steering pump) Engine oil pressure gauge Exterior lights system Fuel gauge Fuel level sensor Fuel level sensor signal Fuel pump & sender assembly (in fuel tank) G113 (on transaxle stud, near starter) G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) Gnd Ground High beam ind Hot at all times Hot in run Hot in run or start Ignition Illumination (7 bulbs) Instrument panel cluster Interior lights system Internal compass sensor (w/o sunroof) Left i/p junction block (left side of dash, behind access panel) Left turn ind Left turn input Logic Low ref Message center Mil ctrl Nca Odometer/ prndl display Oil level switch signal Oil pressure switch signal Pcm/bcm/ clstr fuse 10a Power distribution system Power tops system Powertrain control module (pcm) (in air cleaner box) Red Remote compass sensor (w/ sunroof) (integral to headliner console, left front of driver information center) Reservoir) Reset switch Right i/p junction block (right side of dash, behind access panel) Right turn ind Right turn input S106 S174 S229 S236 S253 Seat belt ind Serial data Service engine soon ind Speedo- meter Sunroof close Sunroof open Sunroof sw Switch Tacho- meter Trac off ind Vf display driver Volt- meter W/o police Wash lvl Wiper/ washer system
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 2004 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 2004: 39 (main body wiring harness, right side of rear compt, 4 cm from breakout for rear junction block) s440 A10 A11 Batt rundown protection relay Body control module (behind left side of dash, above parking brake lever) Courtesy lmp a1 Crtsy lmp v D400 Dic/ rke fuse 10a Dome Dome lmp sw Exterior lights system G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) G302 (below passenger front door opening, rear of right "a" pillar) Ground H10 Headlamp switch Hot at all times I/p brp fuse 10a K10 Left i/p courtesy lamp Left i/p junction block (left side of dash, behind access panel) Low ctrl Mode sw sig Nca Off Rear compartment courtesy lamp Rear compartment lid ajar switch Red Right i/p courtesy lamp Right i/p junction block (right side of dash, behind access panel) Rly ctrl S236 S253 S900 Surveillance mode switch (w/ police package & limited content) To splice s391 (diagram 2 of 2) Trk/roof brp fuse 15a Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Monte Carlo LS 2004 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Monte Carlo LS 2004: 41 (impala: roof wiring harness, 6.5 cm from breakout for right courtesy/reading lamp) (monte carlo: roof wiring harness, right side of roof, 30 cm from dome lamp breakout) (w/ onstar) (w/o onstar) (w/o onstar) (w/ onstar) A1 door ajar A10 A8 door open A8 lmp cntrl Ajar Auxiliary dome lamp (police) B11 Body control module (behind left side of dash, above parking brake lever) C12 Closed 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 (under dash, to right of steering column) G302 (below passenger front door opening, rear of right "a" pillar) Inside rear view mirror Left courtesy/ reading lamp (if equipped) Left i/p junction block (left side of dash, behind access panel) Left rear door lock (impala) Left vanity mirror lamp (if equipped) Nca Open Right courtesy/ reading lamp (if equipped) Right i/p junction block (right side of dash, behind access panel) Right rear door lock (impala) Right vanity mirror lamp (if equipped) S253 S322 (main body wiring harness, left side of passenger compt, 10 cm from c311 breakout) S328 S390 S391 S392 W/ lighted vanity & police W/o lighted vanity & police Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 2004 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 2004: 40 A2 park lamp switch input c3 B11 Body control module (behind left side of dash, above parking brake lever) Full bright G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) Ground H11 H12 Head Headlamp switch Hot at all times I/p dimming switch Inflatable restraint steering wheel module coil (in steering column, behind steering wheel) Int dim ctrl K11 K12 Left cruise control (set/ coast) Left i/p junction block (left side of dash, behind access panel) Left radio control (seek/ preset) Low dim Nca Off Park Park lamp relay Park lamp switch Rear park lmp fuse 15a Red Relay ctrl Right cruise control (resume/ accel) Right i/p 1 fuse 60a Right i/p junction block (right side of dash, behind access panel) 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) (on front of right strut tower) Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Monte Carlo LS 2004 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Monte Carlo LS 2004: 45 (impala) (impala: 4 cm from door lock switch breakout) (monte carlo: 3.5 cm forward of outside rearview mirror connector breakout) s650 (impala: driver door wiring harness, 4 cm forward of outside rearview mirror connector breakout) (monte carlo: driver door wiring harness, 3.5 cm forward of outside rearview mirror connector breakout) s550 (monte carlo) A10 Ashtray lamp (w/o front console) B10 C1 e d C10 C11 C2 c2 Dim input Driver door lock switch Driver heated seat switch (monte carlo) 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 heated seat switch (monte carlo) Front passenger window switch G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, rear of right "a" pillar) Hazard switch Hvac control module (middle center of dash) Instrument panel cluster (ipc) (9 bulbs) Left i/p junction block (left side of dash, behind access panel) Outside rearview mirror switch Radio Right i/p junction block (right side of dash, behind access panel) S229 S236 S253 S320 S504 S604 Surveillance mode switch To left i/p junction block (diagram 2 of 2) Traction control switch (impala) Traction control switch (monte carlo) W/ police & limited content W/o police & limited content
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Chevrolet Monte Carlo LS 2004 List of elements for Power Distribution Wiring Diagram (1 of 5) for Chevrolet Monte Carlo LS 2004: 58 (on front of right strut tower) underhood junction block (bottom) (on front of right strut tower) underhood junction block (top) (right side of of dash, behind access panel) right i/p junction block Audio amplifier (w/ performance enhanced speaker) B10 Battery Blower motor control processor Circuit breaker 1 30a Circuit breaker 2 30a Circuit breaker 3 50a Cooling fans fuse 60a Crank rly relay D11 Digital radio receiver (w/ digital radio) Driver outside rearview mirror (dk5) Electronic brake control module (ebcm) F nca F10 F11 From crank relay o (diagram 2 of 5) From right i/p 3 fuse (diagram 1 of 5) Fuse block (seo) (behind dash, right of steering column) Fusible link (10 ga-rust) G203 (under dash, to right of steering column) Generator Htd mir fuse 10a Hvac blower fuse 30a Ign rly relay Ign sw fuse 60a Left i/p fuse 60a Left i/p junction block (left side of dash, behind access panel) Passenger outside rearview mirror (dk5) Pnk Radio Radio antenna module Radio fuse 15a Rear brkr defog circuit breaker 30a Rear defog relay Rear junction block (behind right rear wheelwell) Red Red (i/p wiring harness, 16 cm from circuit breaker 3) s244 Right i/p 1 fuse 60a Right i/p 2 fuse 60a Right i/p 3 fuse 60a S174 S370 (main body wiring harness, right of floor, 31 cm from c356 breakout) Seo relay Starter To fan cont 1 fuse (diagram 3 of 5) To ignition switch (diagram 2 of 5) To left i/p junction block (diagram 3 of 5) To rear defog relay (diagram 1 of 5) To right i/p junction block (diagram 4 of 5) To right i/p junction block (diagram 5 of 5) To underhood junction block (bottom) (diagram 3 of 5) To underhood junction block (top) (diagram 5 of 5) U/hood fuse 60a Underhood junction block (top) (on front of right strut tower) Power Distribution Wiring Diagram (2 of 5) for Chevrolet Monte Carlo LS 2004 List of elements for Power Distribution Wiring Diagram (2 of 5) for Chevrolet Monte Carlo LS 2004: 62 (3.4l (vin e): engine wiring harness, lower left rear of engine compartment, 4 cm from c113 breakout) (3.8l (vin k): engine wiring harness, lower left rear of engine compartment, 6.5 cm from c113 breakout) s169 (left side of dash, behind access panel) left i/p junction block (not used) A/c cruise fuse 10a A10 A11 A12 Abs/pcm fuse 10a Acc Bcm fuse 10a Body control module (bcm) Cig/ aux fuse 10a Crank relay Cruise control module (ccm) Cruise control on/off switch Cruise control release switch Cruise fuse 2a D11 D12 Driver information center (dic) Electronic brake control module (ebcm) Evaporative emissions (evap) canister vent solenoid F10 From ign sw fuse (diagram 1 of 5) From ignition switch (diagram 2 of 5) Hazard Hvac control module Ignition key alarm switch (closed with key in ignition switch) Ignition switch Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror Instrument panel cluster (ipc) Left i/p junction block (left side of dash, behind access panel) Lock Nca Off Pcm (crank) fuse 10a Pcm/bcm clstr fuse 10a Pnk Powertrain control module (pcm) Red S234 (i/p wiring harness, behind center of dash, 32.5 cm from ignition switch) red Srs fuse 10a Start Stop fuse 10a Stop lamp switch Switch To auxiliary power drop connector (diagram 5 of 5) To cruise fuse (diagram 2 of 5) To ignition relay (diagram 1 of 5) To pcm (crank) fuse (diagram 2 of 5) To pcm/bcm/ clstr fuse (diagram 2 of 5) Turn signal fuse 15a Underhood junction block (top) (on front of right strut tower) W/ abs W/ display driver information center W/ gps W/o gps Warning system Windshield wiper system module Windshield wiper/ washer switch Wsw fuse 25a Power Distribution Wiring Diagram (3 of 5) for Chevrolet Monte Carlo LS 2004 List of elements for Power Distribution Wiring Diagram (3 of 5) for Chevrolet Monte Carlo LS 2004: 67 (3.8l (vin k): at pnk intake air temperature sensor breakout) s109 (3.4l (vin e): between fuel injector 1 breakout & fuel injector 2 breakout) (3.8l (vin k): engine wiring harness, at egr valve breakout) (3.4l (vin e): engine wiring harness, left front of engine compt, 10.5 cm from c112 breakout) s157 (diagram 1 of 5) (engine wiring harness, right front of engine 4.7 cm from c112) s131 (inside transaxle, 19 cm from red c113) s115 (on front of right strut tower) underhood junction block (bottom) (under dash, to right of steering column) g201 1-2 shift solenoid (1-2 ss) valve 2-3 shift solenoid (2-3 ss) valve 3.4l 3.8l A/c cmpr relay A/c rly (coil) fuse 10a Automatic transaxle Body control module (bcm) C1 b C1 e11 C113 C12 c1 C2 b Clstr/ bcm fuse 10a Data link connector (dlc) Dfi mdl fuse 15a Dr lk fuse 20a Driver heated seat relay (w/ heated seat) Driver seat Driver window switch E1 c2 Eng devices fuse 10a Evaporative emission (evap) canister purge solenoid F11 Fan cont 1 fuse 25a Fan cont 1 relay Fan cont 2 & 3 fuse 25a Fan cont 2 relay Fan cont 3 relay From cooling fans fuse (diagram 1 of 5) From ign rly relay c From left i/p fuse (diagram 1 of 5) Front passenger window switch Fuel inj fuse 15a Fuel injector Head- lamp relay Heated oxygen sensor (ho2s) sensor 1 Heated oxygen sensor (ho2s) sensor 2 Ignition control module (icm) Impala Instrument panel cluster (ipc) Left i/p junction block (left side of dash, behind access panel) Lh htd st/bcm fuse 15a Mass air flow (maf) sensor Monte carlo Nca Outside rearview mirror switch Oxy sen fuse 15a Pnk Pwr mir fuse 2a Red Retained accsry power relay Retained accsry pwr brkr circuit breaker 30a Right i/p junction block (right side of dash, behind access panel) S236 Sunroof module Torque converter clutch (tcc) solenoid valve Trans sol fuse 10a Underhood junction block (bottom) (on front of right strut tower) W/o seo Power Distribution Wiring Diagram (4 of 5) for Chevrolet Monte Carlo LS 2004 List of elements for Power Distribution Wiring Diagram (4 of 5) for Chevrolet Monte Carlo LS 2004: 80 (impala: roof wiring harness, right side of roof, 12.5 cm from dome lamp breakout) (monte carlo: roof wiring harness, right side of roof, 20 cm from dome lamp breakout) s391 (rear body wiring harness, right side of rear compartment, 19.5 cm from p400) s400 (right side of dash, behind access panel) right i/p junction block (w/ gps) (w/ trap alert) (w/o trap alert) A11 A12 c2 Auxiliary dome lamp B/u lp fuse 10a Back-up lp relay Batt rundown protection relay Body control module (bcm) C1 d4 C2 e8 C2 f10 Connector breakout) s176 D10 D9 c2 Dic/rke fuse 10a Dome lamp (w/o reading lamp) Driver information center (dic) Driver seat adjuster switch E3 c1 E5 c2 Emergency vehicle rear compartment lid lamps relay F1 c1 F12 F4 c1 From underhood junction block (top) (diagram 1 of 5) Front park lp fuse 15a Front passenger heated seat relay (w/ heated seats) Front passenger seat adjuster switch H10 H11 H12 Headlamp switch Hvac control module I/p brp fuse 10a If equipped Impala Inside rearview mirror Inside rearview mirror (w/ reading lamps) K10 K11 K12 L10 Left backup lamp Left courtesy/ reading lamp Left headlamp Left i/p courtesy lamp Left license lamp Left tail lamp Left vanity mirror lamp License lamp Monte carlo N10 Nca Park lp relay Pwr drop fuse 15a Pwr seats circuit breaker 30a Rear compart- ment courtesy lamp Rear compartment occupant sensor Rear prk lp fuse 15a Red Remote control door lock receiver (rcdlr) (w/o seo) Rh htd st fuse 15a Right backup lamp Right courtesy/ reading lamp Right headlamp Right i/p courtesy lamp Right license lamp Right tail lamp Right vanity mirror lamp To auxiliary power drop connector (diagram 5 of 5) Trk/ roof brp fuse 15a Vehicle communication interface module W/ gps W/ seo W/o gps Power Distribution Wiring Diagram (5 of 5) for Chevrolet Monte Carlo LS 2004 List of elements for Power Distribution Wiring Diagram (5 of 5) for Chevrolet Monte Carlo LS 2004: 55 (diagram 1 of 5) (not used) (on front of right strut tower) underhood junction block (top) A/c cmpr relay A/c rly (cmpr) fuse 10a Aux pwr fuse 20a Auxiliary power drop connector (w/ seo) Auxiliary power outlet (w/o console) Auxiliary power output (w/ console) Brk sw fuse 15a C/ltr fuse 15a Cigar lighter (w/ console) Cigar lighter (w/o console) Drl rly relay Drl/ext lts fuse 15a E10 Emergency vehicle headlamps flasher Emergency vehicle rear lamps flasher Ext lts fuse 10a F/pmp rly fuse 15a Fog lts relay Fog rly fuse 10a (w/ front fog lamps) From cig/aux fuse (diagram 2 of 5) From pwr drop fuse (diagram 4 of 5) From right i/p 2 fuse h From u/hood 1 fuse (diagram 1 of 5) Fuel pump relay G201 (under dash, to right of steering column) G301 (below driver door opening, rear of left "a" pillar) Generator Haz sw fuse 15a Hazard switch Horn rly fuse 15a Horns relay Left headlamp Left spot lamp (w/ seo) Nca Pcm fuse 15a Powertrain control module (pcm) Red Right headlamp Right i/p junction block (right side of dash, behind access panel) Right spot lamp (w/ seo) S229 S320 S320 (w/o seo) Spot lamp-l fuse 15a Spot lamp-r fuse 15a Stop lamp switch Underhood junction block (bottom) (on front of right strut tower) Underhood junction block (top) (on front of right strut tower) W/ headlamp flashers W/ seo W/o headlamp flashers W/o seo
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Power Door Locks Wiring Diagram for Chevrolet Monte Carlo LS 2004: 65 (impala) (left side of dash, behind access panel) left i/p junction block (under dash, to right of steering column) g201 A10 A11 A12 Acc sig in Ajar B11 B12 Battery Bcm fuse 10a Body control module (behind left side of dash, above parking brake lever) C2 d12 Closed Clstr/bcm fuse 10a Computer data lines system Ctsy Dic/rke fuse 10a Door ajar in Door lock Down Dr lk fuse 20a Dr lk/unlk Driver door lock Driver door lock cylinder switch Driver door lock switch E12 Front passenger door lock cylinder switch (if equipped) Front passenger door lock switch G203 (under dash, to right of steering column) Ground Hot at all times Hot in acc, on or start Hot in on or acc Hot in on or start Ignition 0 Ignition 1 Illum entry Interior lights system Left i/p junction block (left side of dash, behind access panel) Left rear door lock (impala) Lf dr lk/unlk Lf dr open in Lh htd st/bcm fuse 15a Lk/unlk in Lock Open Pcm/bcm/ clstr fuse 10a Pnk Power distribution system Remote control door lock receiver (rcdlr) (on upper center of dash) Right i/p junction block (right side of dash, behind access panel) S236 S253 S322 Serial data Serial data sig Stop fuse 10a Tan Trunk rel ctrl Trunk, tailgate, fuel doors system Unlock W/ anti-theft W/ seo
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2004: 38 (behind left side of dash, above parking brake lever) body control module A/c/ cruise fuse 10a Ambient light sensor Automatic day/night mirror element B/u lamp fuse 10a Back-up lamp relay Bare C9 c2 Cellular D10 Dic/rke fuse 10a Drain wire E3 c1 Exterior lights system G302 (below passenger front door opening, rear of right "a" pillar) Gnd Green led sig Headlight sensor Hot at all times Hot in run Ign Inside rearview mirror Interior lights system Keypad sig L10 Left i/p junction block (left side of dash, behind access panel) Left mirror switch Logic Microphone N10 Onstar button assembly Red led sig Right i/p junction block (right side of dash behind access panel) Right mirror switch S392 Vehicle communication interface module (vcim) (in rear compt, mounted to rear of left rear wheelwell) W/ gps W/o gps Power Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Power Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2004: 16 Defogger system Driver outside rearview mirror G301 (below driver door opening, rear of left "a" pillar) Horz Hot at all times Interior lights system Left Left i/p junction block (left side of dash, behind access panel) Nca Off Outside rearview mirror switch Passenger outside rearview mirror Pwr mir fuse 2a Right S504 Vert
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Monte Carlo LS 2004: 26 Back Driver seat adjuster motor assembly Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor Forward Front down Front passenger seat adjuster motor assembly Front passenger seat adjuster switch Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Front up G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, Hot at all times Nca Power seats circuit breaker 30a Rear down Rear of right "a" pillar) Rear up Right i/p junction block (right side of dash, behind access panel) S328 S330 Tan Heated Seats Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Heated Seats Wiring Diagram for Chevrolet Monte Carlo LS 2004: 34 A12 Body control module (behind left side of dash, above parking brake lever) D11 Driver heated seat back element Driver heated seat cushion element Driver heated seat relay Driver heated seat switch Driver heated seat thermistor Driver seat back Driver seat cushion Front passenger heated seat back element Front passenger heated seat cushion element Front passenger heated seat relay Front passenger heated seat switch Front passenger heated seat thermistor Front passenger seat back Front passenger seat cushion G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, rear of right "a" pillar) Ground Hot at all times Interior lights system Left i/p junction block (left side of dash, behind access panel) Lh htd st/ bcm fuse 15a Lo/hi input Nca On input Pnk Rh htd seat fuse 15a Right i/p junction block (right side of dash, behind access panel) S320 S330 S333 Sensor input
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram, with DIC for Chevrolet Monte Carlo LS 2004 List of elements for Power Top/Sunroof Wiring Diagram, with DIC for Chevrolet Monte Carlo LS 2004: 21 Close Close sig Driver information center (dic) G302 (below passenger front door opening, rear of right "a" pillar) Ground Hot in acc, on & rap Left i/p junction block (left side of dash, behind access panel) Low ref Nca Open Open sig Red Retained accessory power circuit breaker 30a S328 Soft stop Stop input Sun roof module (in roof, near windshield) Sun roof motor (at center left of windshield header) Sun roof opening position switch (above sun roof motor) Vent Vent input Power Top/Sunroof Wiring Diagram, without DIC for Chevrolet Monte Carlo LS 2004 List of elements for Power Top/Sunroof Wiring Diagram, without DIC for Chevrolet Monte Carlo LS 2004: 21 Close Close sig G302 (below passenger front door opening, rear of right "a" pillar) Ground Hot in acc, on & rap Left i/p junction block (left side of dash, behind access panel) Low ref Nca Open Open sig Red Retained accessory power circuit breaker 30a S328 Soft stop Stop input Sun roof module (in roof, near windshield) Sun roof motor (at center left of windshield header) Sun roof opening position switch (above sun roof motor) Sunroof switch Vent Vent input
POWER WINDOWS Power Windows Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Power Windows Wiring Diagram for Chevrolet Monte Carlo LS 2004: 24 (below driver door opening, rear of left "a" pillar) g301 A4 c1 A9 c2 B tan C12 Down Driver Driver window motor Driver window switch Express down Express down module Front passenger Front passenger window motor (inside of front passenger's door) Front passenger window switch G302 (below passenger front door opening, rear of right "a" pillar) Hot w/retained accsry pwr relay energized Illum Interior lights system Left i/p junction block (left side of dash, behind access panel) Retained accsry pwr brkr circuit breaker 30a Right i/p junction block (right side of dash, behind access panel) S504 S604 Tan
RADIO Radio Wiring Diagram, with Amplifier (1 of 2) for Chevrolet Monte Carlo LS 2004 List of elements for Radio Wiring Diagram, with Amplifier (1 of 2) for Chevrolet Monte Carlo LS 2004: 79 (not used) (on right "c" pillar) g309 (right side of floor, 25 cm from c356 breakout) s360 A10 A11 A12 Amp sig Ant Ant enable Antenna enable sig Aud out- Aud signal Audio amplifier (in luggage compt, beneath center of rear package shelf) Audio out- Audio signal B10 B11 B12 Bare Bare d8 Batt C11 C12 C2 e2 Common Computer data lines system D5 bare Data Defog grid Drain wire F10 F11 c1 F2 c2 G201 (under dash, to right of steering column) G202 (under dash, in center) Ground Hot at all times Hot w/ rear defog on Illum Interior lights system Left aux Left i/p junction block (left side of dash, behind access panel) Lf spkr Lf spkr out+ Lf spkr out- Lf twet spkr out+ Lf twet spkr out- Lr spkr Lr spkr out+ Lr spkr out- Monte carlo Nca Pnk Radio Radio antenna module (on upper portion of left "c" pillar) Radio fuse 15a Rear defog circuit breaker 30a Rear window Red Remote Remote out Rf spkr Rf spkr out+ Rf spkr out- Rf twet spkr out+ Rf twet spkr out- Right aux Right i/p junction block (right b8 Right i/p junction block (right side c2 of dash, behind access panel) Right i/p junction block (right side of dash, behind access panel) Rr spkr Rr spkr out+ Rr spkr out- S229 S370 Satellite radio circuit Side of dash, behind access panel) Tan Vehicle communication interface module (vcim) (in rear compt, mounted to rear of left rear wheelwell) Radio Wiring Diagram, with Amplifier (2 of 2) for Chevrolet Monte Carlo LS 2004 List of elements for Radio Wiring Diagram, with Amplifier (2 of 2) for Chevrolet Monte Carlo LS 2004: 20 Inflatable restraint steering wheel module coil (in steering column, behind steering wheel) Left front door speaker Left radio steering wheel controls Left rear speaker Mode Mute Nca Pnk Preset Red Right front door speaker Right radio steering wheel controls Right rear speaker Seek dn Seek type Seek up Steering wheel controls Tan Vol dn Vol up Radio Wiring Diagram, without Amplifier for Chevrolet Monte Carlo LS 2004 List of elements for Radio Wiring Diagram, without Amplifier for Chevrolet Monte Carlo LS 2004: 72 (left side of dash, behind access panel) left i/p junction block (not used) (on right "c" pillar) g309 A10 A11 A12 A5 c1 Ant Ant enable Aud out- Aud signal B10 B11 B12 Bare Batt C11 C12 C2 a8 C2 d5 C2 e2 C5 e Common Computer data lines system Data Defog grid Drain wire F10 F11 c1 G201 (under dash, to right of steering column) G202 (under dash, in center) Ground Hot at all times Hot w/ rear defog on Illum Inflatable restraint steering wheel module coil (in steering column, behind steering wheel) Interior lights system Left aux Left front door speaker Left radio steering wheel controls Left rear speaker Lf spkr Lr spkr Mode Mute Nca Pnk Preset Radio Radio antenna module (on upper portion of left "c" pillar) Radio fuse 15a Rear defog circuit breaker 30a Rear window Remote Remote out Rf spkr Right aux Right front door speaker Right i/p junction block (right side of dash, behind access panel) Right radio steering wheel controls Right rear speaker Rr spkr S229 Satellite radio circuit Seek dn Seek type Seek up Steering wheel controls Tan Vehicle communication interface module (vcim) (in rear compt, mounted to rear of left rear wheelwell) Vol dn Vol up Satellite Radio Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Satellite Radio Wiring Diagram for Chevrolet Monte Carlo LS 2004: 26 (rear center of roof) digital radio antenna (right rear of wheelwell) digital radio receiver A12 Aud common Bare C1 a7 C2 a6 Coax ant in (sat) Coax ant in (terr) Computer data lines system Drain wire F11 c1 F2 c2 G202 (under dash, in center) Ground Hot at all times Lf aud + Lt sig Radio Radio fuse 15a Right i/p junction block (right side of dash, behind access panel) Rt aud + Rt sig S360 S370 Serial data
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Shift Interlock Wiring Diagram for Chevrolet Monte Carlo LS 2004: 24 A/t shift lock control solenoid (in center console) A/t shift lock control solenoid (in steering column) Automatic transaxle Bcm class 2 serial data Body control module (behind left side of dash, above parking brake lever) D10 G113 (on transaxle stud, near starter) Hot in on or start Left i/p junction block (left side of dash, behind access panel) Pcm class 2 serial data Pnk Powertrain control module (pcm) (in air cleaner box) S106 Sp205 (left side of dash) Stop fuse 10a Stoplamp switch (on brake pedal support) Sw sig a Sw sig b Sw sig c Sw sig p Tan/ Transmission internal mode switch W/ center console W/o center console
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Charging Wiring Diagram for Chevrolet Monte Carlo LS 2004: 26 (not used) A/c rly (cmpr) fuse 10a Battery Charge ind Class 2 serial data c1 Connector (below left side of dash, right of steering column) Data link Fusible link (10 ga- rust) (front of engine, on starter solenoid) red G113 (on transaxle stud, near starter) Generator Generator turn on signal c2 Hot at all times Hot in on or start Ign volt Instrument panel cluster (ipc) Ipc class 2 serial data Left i/p junction block (left side of dash, behind access panel) Logic Message center Pcm/bcm/clstr fuse 10a Power distribution system Powertrain control module (pcm) (in air cleaner box) Red Sp205 (left side of dash) Starter solenoid Underhood junction block (top) (on front of right strut tower) Starting Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Starting Wiring Diagram for Chevrolet Monte Carlo LS 2004: 32 Abs/pcm fuse 10a Acc B10 Batt Battery C10 Class 2 serial data Crank relay Crank relay ctrl Crank request Data link connector (dlc) (partial) (below left side of dash, right of steering column) Fusible link (10 ga- rust) (front of engine, on starter solenoid) G113 (on transaxle stud, near starter) Generator Hold- in coil Hot at all times Hot in on or start Ignition switch Left i/p junction block (left side of dash, behind access panel) Lock Off Pcm (crank) fuse 10a Pnk Power distribution system Powertrain control module (pcm) (in air cleaner box) Pull- in coil Red Sp205 (left side of dash) Start Starter motor Starter solenoid Underhood junction block (top) (on front of right strut tower)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Supplemental Restraints Wiring Diagram for Chevrolet Monte Carlo LS 2004: 48 (below driver door opening, rear of left "a" pillar) g301 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag indicator C1 a1 C217 a1 Class 2 serial data Data link connector (dlc) (partial) (below left side of dash, right of steering column) F10 G301 (below driver door opening, rear of left "a" pillar) Ground High control Hot in on & start If equipped Ignition Inflatable restraint front end discriminating sensor Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (below passenger's seat) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster Left front inflatable restraint side impact module Left i/p junction block (left side of dash, behind access panel) Left inflatable restraint side impact sensor (impala: on left "b" pillar) (monte carlo: in driver's door) Left seat belt switch Left signal Logic Low control Nca Pnk Right i/p junction block (right side of dash, behind access panel) Sensor signal Shorting bar Signal Solid state Splice pack sp205 (in i/p harness, to right of park brake lever, taped over completely, between two strips of white tape) Srs fuse 10a Stage 1 Stage 2 Tan Voltage
TRANSMISSION A/T Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for A/T Wiring Diagram for Chevrolet Monte Carlo LS 2004: 61 (3.4l) (3.8l) (engine harn, below intake plenum) s121 1-2 shift sol 2-3 shift sol 3.8l 3.4l 5v reference a A/t iss sensor hi A/t iss sensor lo Abs/ pcm fuse 10a Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Battery in Brake switch in Ect sensor in Engine coolant temperature sensor (below coolant outlet, left rear of eng) G113 (lower left of engine, on transaxle stud) Hot at all times Hot in on or start Ignition in Instrument panel cluster Left i/p junction block (left) (left end of dash) Malfunction indicator lamp Map sensor Mil ctrl Of dash, right of steering column) data link connector Park/neutral position (pnp) switch Pc sol hi Pc sol lo Pcm fuse 15a Pcm ground Pcm/bcm/ cluster fuse 10a Pnk Powertrain control module (in air cleaner box) Pressure control sol Red S106 Sensor ground Sensor return Serial data Splice pack sp205 (taped to harness, left end of dash) Stop lamp switch Tan Tcc pwm sol Tcc release Tcc release in Tcc/ brake switch Tft sensor in Throttle position sensor (on throttle body assembly) Tps in Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans sol fuse 10a Underhood junction block (right side of eng compt) Vehicle speed sensor (lower right rear of engine compt, end of transaxle) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Trunk Release Wiring Diagram for Chevrolet Monte Carlo LS 2004: 31 A11 Batt Body control module (bcm) (behind left side of dash, above parking brake lever) Class 2 ser data Computer data lines system D12 Dic/rke fuse 10a G203 (under dash, to right of steering column) G302 (below passenger front door opening, rear of right "a" pillar) Gnd Hot at all times Input Instrument panel cluster (ipc) Interior & exterior lights systems Ipc class 2 serial data Logic Message center Nca Rear compartment lid ajar switch Rear compartment lid release actuator Rear compartment lid release switch Release ctrl Remote control door lock receiver (rcdlr) (on upper center of dash) Right i/p junction block (right side of dash, behind access panel) Right i/p junction block (right side of dash, behind access panel) S253 S440 (main body wiring harness, right side of rear compartment, 4 cm from breakout for rear junction block) S900 Serial data Trunk ajar sw Trunk open
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Warning Systems Wiring Diagram for Chevrolet Monte Carlo LS 2004: 61 A10 A12 A15 Accessory voltage Ajar Battery Bcm fuse 10a Body control module (behind left side of dash, above parking brake lever) Class 2 serial data Closed Clstr/ bcm fuse 10a Data link connector (dlc) (below left side of dash, right of steering column) Door open switch- driver Dr lk fuse 20a Driver door lock Driver door lock switch Driver door open sw sig G201 (under dash, to right of steering column) G203 (under dash, to right of steering column) G301 (below driver door opening, rear of left "a" pillar) Ground Head Headlamp switch Headlamp switch signal Hot at all times Hot in acc or on Hot in acc, on or start Hot in on or start Ignition 0 voltage Ignition 1 voltage Ignition key alarm switch (closed w/key in ignition switch) Ignition switch (left side of dash) Inflatable restraint sensing & diagnostic module (sdm) (below passenger's seat) Instrument panel cluster (ipc) Key in ignition switch sig Left i/p junction block (left side of dash, behind access panel) Left seat belt switch Left seat belt switch (right side of driver's seat) Lh htd st/bcm fuse 15a Logic Low tire pressure door ajar Message center Nca Off Open Park Park brake switch (at base of parking brake assembly) Park lamp switch Park lamp switch signal Pcm/bcm clstr fuse 10a Pnk Power distribution system Radio S236 S253 S322 S330 (w/ 6 way driver seat) Seat belt ind Serial data Sp205 (left side of dash) Stop fuse 10a
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Monte Carlo LS 2004 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Monte Carlo LS 2004: 23 (top left front of radiator support) g101 G201 (under dash, to right of steering column) Hot in acc or on Instrument panel cluster (ipc) Left i/p junction block (left side of dash, behind access panel) Logic Low washer fluid Message center Mist Nca Off Park switch Pulse timer circuitry Red S150 Washer switch Windshield washer fluid level signal Windshield washer fluid level switch (in washer fluid reservoir) Windshield washer fluid pump (in windshield washer fluid reservoir) Windshield wiper system module (on left side of firewall, in engine compt) Windshield wiper/washer switch Wiper switch Wsw fuse 25a
