All Wiring Diagrams for Chevrolet Monte Carlo LS 2003 model

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Compressor Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• +5v reference
• A/c compressor clutch
• A/c compressor relay
• A/c press signal
• A/c refrigerent pressure sensor (left side of engine compt, on liquid line)
• A/c rly fuse 10a
• Comp control
• Computer data lines system
• E11
• F11
• G113 (3.8l) g117 (3.4l) (on transaxle stud, near starter)
• Hot at all times
• Hot in run
• Low reference
• Nca
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• S158
• Serial data
• Underhood junction block (bottom) (forward of right front strut tower)
• Underhood junction block (top) (forward of right front strut tower)

Manual A/C Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Manual A/C Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (forward lamp harn, near right headlamp)
• (fuel inj jumper harn, midway between fuel inj no 3 breakout and (map) sensor breakout)
• (fwd lamp harn, 18.5 cm from g101 breakout)
• (i/p harn, 8 cm from ignition sw breakout) s229
• (left side of heater-a/c assembly) air temperature actuator (left)
• (under center of dash)
• (under left side of dash) splice pack sp205
• +5v reference
• 3.4l
• 3.8l
• A/c blo fuse 20a
• A/c blo fuse 25a
• A/c compressor clutch
• A/c compressor clutch diode (in wiring harn, 10 cm from a/c compressor clutch)
• A/c compressor relay
• A/c cruise fuse 10a
• A/c press signal
• A/c refrigerent pressure sensor (left side of engine compt, on liquid line)
• A/c request
• A/c request sig
• A/c rly fuse 10a
• Air temperature actuator (right) (right side of heater-a/c assembly)
• B10
• Battery
• Blower motor
• Blower motor relay
• Blower motor resistor assembly (on hvac module, below blower motor)
• Body control module (behind left side of dash)
• C1 f6
• C10
• Comp control
• D4 c1
• Data link connector (under dash, right side of steering column)
• Defog rly ctrl
• Defogger system
• Dic/ rke fuse 10a
• E11
• Ect ground
• Ect signal
• Engine controls (map sensor)
• Engine coolant temperature (ect) sensor (left rear of engine)
• F11
• F5 c1
• Fan cont 1 fuse 25a
• Fan cont 2 & 3 fuse 25a
• Fan control 1 relay
• Fan control 2 relay
• Fan control 3 relay
• G101 (top left front of radiator support)
• G113 (3.8l) g117 (3.4l) (on transaxle stud, near starter)
• G201 (right side of steering column)
• G202
• G202 (under center of dash)
• Gnd
• High speed
• Hot at all times
• Hot in run
• Hvac control module
• I/p junction block (left) (behind left side of dash)
• I/p junction block (right) (behind right side of dash)
• I/p lamp sply volt
• Ign
• Ign 3 volt
• Interior lights system
• Left cooling fan
• Lft temp dr ctrl
• Low reference
• Low speed
• Nca
• Nca nca
• Off
• Off blwr mtr ctrl
• Pnk
• Pos
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Right cooling fan
• Rt temp dr ctrl
• S121
• S148
• S158
• S175
• S216
• Serial data
• Tan
• Underhood junction block (bottom) (right side of engine compt, forward of strut tower)
• Underhood junction block (top) (forward of right front strut tower)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Anti-lock Brakes Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (below driver door opening, rear of left "a" pillar)
• (under dash, to right of steering column)
• (under dash, to the right of steering column)
• A10
• A11
• A12
• Above parking brake lever)
• Abs ind
• Abs/pcm fuse 10a
• B10
• B11
• Battery
• Body control module (bcm) (behind left side of dash,
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Brake pressure modulator valve
• Brk sw fuse 15a
• C10
• C11
• Data link connector (dlc) (below left side of dash, right of steering column)
• Delivered torque
• Desired torque
• E12
• Electronic brake control module (ebcm) (in left rear of eng compt, on abs
• G151 (on top left frame rail)
• G201
• G201 (under dash, to right of steering column)
• G203
• G301
• Ground
• Hot at all times
• Hot in on or start
• Hydraulic modulator)
• Ignition
• Impala
• Instrument cluster
• Interior lights system
• Left front wheel spd (hi)
• Left front wheel spd (lo)
• Left front wheel speed sensor
• Left i/p junction block (left side of dash, behind access panel)
• Left rear wheel spd (hi)
• Left rear wheel spd (lo)
• Left rear wheel speed sensor
• Monte carlo
• Nca
• Pnk
• Powertrain control module (pcm) (in air cleaner box)
• Pump motor
• Red
• Right front wheel spd (hi)
• Right front wheel spd (lo)
• Right front wheel speed sensor
• Right i/p junction block (right side of dash, behind access panel)
• Right rear wheel spd (hi)
• Right rear wheel spd (lo)
• Right rear wheel speed sensor
• S169
• S190
• S236
• S253
• S320
• Serial data signal
• Splice pack sp205 (taped to harn, next to left i/p accessory wiring junction block)
• Stop lamp sw out
• Stoplamp switch (on brake pedal support)
• Tan
• Trac off ind
• Traction control switch
• Vent tube

ANTI-THEFT

Anti-theft Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Anti-theft Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• 470 ohms
• 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)
• C420
• Class 2 data line
• Class 2 serial data
• Clstr/bcm fuse 10a
• D12
• Data
• Data link connector (below left side of dash, right of steering column)
• Dk lk fuse 20a
• Door ajar in
• Door locks b+
• Driver door ajar in
• Exterior lamp system
• 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)
• Gnd
• Headlamps rly ctrl
• Headlights system
• Horn relay ctrl
• Horns system
• Hot at all times
• Hot in accy or on
• Hot in accy, on or start
• Hot in on or start
• Ign 0 sig in
• Ign 1 sig in
• Ignition lock cylinder
• Instrument cluster
• Key switch signal
• Keyless entry data
• Keyless entry serial data
• Left door lock cylinder switch
• Left door lock switch
• Left front side door lock
• Left i/p junction block
• Left rear side door lock
• Lh htd st/bcm fuse 15a
• Load b+
• Lock
• Lock/unlock in
• Nca
• Passlock b+
• Passlock data in
• Passlock gnd
• Passlock sensor (part of ignition switch)
• Pcm/bcm clstr fuse 10a
• Pnk
• Power distribution system
• Powertrain control module (in air cleaner box)
• Rear compartment lid ajar switch
• Remote control door lock receiver (upper center of dash)
• Right door lock switch
• Right front side door lock
• Right i/p junction block
• Right rear side door lock
• S236
• S253
• S322
• S420
• S440
• S900
• Security indicator
• Splice pack sp205 (next to left accessory wiring junction block)
• Stop fuse 10a
• Trunk ajar sw
• Unlock
• W/ decklid release
• W/o entrapment protection

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Body Control Modules Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (i/p wiring harn, 7.5 cm from bcm breakout) s217
• 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 (bcm) (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 module (on left strut tower)
• Defogger system
• Door key sw sig
• Door lock actr lock ctrl
• Door lock actr unlock ctrl
• Door locks system
• Door opem sw sig
• Dr lk fuse 10a
• 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 the right of steering column)
• G203 (under dash, to the right of steering column)
• Ground
• Headlamp lamp high beam sig
• Headlamp sw sig
• Headlights system
• Hi beam headlamp rly ctrl
• 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
• Ignition key alarm switch
• Ignition switch
• 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 i/p junction block
• Lh htd st/bcm fuse 15a
• Load management ctrl
• Park brake switch (at base of parking brake assembly)
• Park lamp rly ctrl
• Park lamp sw sig
• Pcm/bcm cluster fuse 10a
• Pnk
• Power distribution system
• Power distribution system (rap)
• Powertrain control module (in air cleaner box)
• Remote keyless entry circuit
• S236
• S253
• Security syst sen sup volt
• Security system sen low ref
• Security system sen sig
• Shift interlock system
• Stop fuse 10a
• Surveillance mode switch (emergency vehicle only)
• 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
• Vss in
• Vss out

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Computer Data Lines Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• Auxiliary power drop connector (taped to harness, above right kick panel)
• Body control module (behind left side of dash, above parking brake lever)
• C1 e8
• C2 c8
• C3 d8
• Cd player- remote play- back device
• Clstr/bcm fuse 10a
• Data class 2
• Data link connector (dlc) (below left side of dash, right of steering column)
• Driver information center (dic) (in front center of roof)
• Electronic brake control module (in left rear of engine compt, on abs hydraulic modulator)
• Except police vehicle & taxi
• G201 (on left side of brake pedal bracket)
• G203 (on right side of brake pedal bracket)
• Hot at all times
• Inflatable restraint sensing & diagnostic module (below passenger's seat)
• Instrument panel cluster (ipc)
• Left i/p junction block (left side of dash, behind access panel)
• Onstar module (w/ vehicle commun- ication system)
• Powertrain control module (in air cleaner box)
• Radio
• Right i/p junction block (right side of dash, behind access panel)
• S236
• S253
• Splice pack sp205
• W/ remote cd wiring provisions

COOLING FAN

Cooling Fan Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Cooling Fan Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (fuel inj jumper harn, midway between fuel inj no 3 breakout and (map) sensor breakout)
• (fwd lamp harn, 18.5 cm from g101 breakout)
• (fwd lamp harn, 31.5 cm from ambient air temp sensor breakout)
• 3.4l
• 3.8l
• B10
• C10
• Ect sig
• Engine controls system (map sensor)
• Engine coolant temperature (ect) sensor (left rear of engine, near coolant outlet)
• Fan cont 1 fuse 25a
• Fan cont 2 & 3 fuse 25a
• Fan control 1 relay
• Fan control 2 relay
• Fan control 3 relay
• G101 (top left front of radiator support)
• High spd
• Hot at all times
• Left cooling fan
• Low spd
• Powertrain control module (in air cleaner assembly)
• Right cooling fan
• S121
• S148
• S175
• Underhood junction block (bottom) (right side of engine compt, forward of strut tower)

CRUISE CONTROL

Cruise Control Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Cruise Control Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• A/c cruise fuse 10a
• All times
• Anti-lock brakes system
• B11
• Body control module (behind left side of dash)
• Brake sig input
• Brk sw fuse 15a
• C11
• Cruise control module (on left strut tower)
• Cruise control on/off switch
• Cruise control release switch (on brake pedal support)
• Cruise fuse 2a
• Cruise inhibit
• Cruise on/off
• Cruise release sig
• Cruise set/coast
• Disable output
• Engage ouput
• Engaged input
• G113 (lower left of engine, on transaxle stud)
• Ground
• Hot at
• Hot in run
• Ignition
• Inflatable restraint steering wheels module coil
• Left i/p junction block
• Left steering wheel controls
• Nca
• Powertrain control module (pcm) (in air cleaner box)
• Resume/ accel
• Resume/accel
• Right i/p junction block
• Right steering wheel controls
• S106
• S217 (i/p harness, approx 7.5 cm from the breakout for the body control module)
• Set/ coast
• Stoplamp switch (on brake pedal support)
• Vehicle speed input
• Vehicle speed out
• Vehicle speed sensor (vss) (right rear of engine compt, end of transaxle)
• Vss high
• Vss low

DEFOGGERS

Defoggers Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Defoggers Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (at base of left "b" pillar) g301
• (at base of right "b" pillar) g302
• (behind left side of dash, on left side of brake pedal bracket) g201
• (on right side of "b" pillar) g313
• A/c cruise fuse 10a
• B10
• Body control module (bcm) (behind left side of dash)
• D10
• D11
• Driver outside rearview mirror
• F10
• Hot at all times
• Hot in on
• Htd mir fuse 10a
• Hvac control module
• Left i/p junction block (end of dash, on left door opening)
• Load management control
• Nca
• Passenger outside rearview mirror
• Power distribution system
• Radio antenna module (left "c" pillar)
• Rear defog circuit breaker 30a
• Rear defog ind
• Rear defog momentary switch
• Rear defog relay
• Rear window
• Rear window defogger grid
• Red
• Right i/p junction block (end of dash, on right door opening)
• Rt ip 3 fuse 60a
• S229
• S504
• S604
• Solid state
• Underhood junction block (bottom) (right side of engine compartment, forward of strut tower)

ENGINE PERFORMANCE

3.4L VIN E

3.4L VIN E, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2003:

• (left rear of engine, below icm)
• (on brake pedal support) stoplamp switch
• (on transaxle stud)
• (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
• 24x ckp sens
• 3x ref high
• 3x ref low
• A/c press sens
• A/t fluid temp
• Abs/ pcm fuse 10a
• Battery
• Bypass
• Cmp signal
• Cooling fans system
• Crankshaft position sensor (7x) (lower right side of engine)
• Cruise disable
• Dfi fuse 15a
• Ebcm feed
• Egr control
• Egr sens
• 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
• High speed fan
• Ho2s 2 low
• Ho2s low
• Hot at all times
• Hot in on or start
• Iac b high
• Iat sens
• Ic control
• 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)
• 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 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2003:

• (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 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2003:

• (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 2003

List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2003:

• (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 (24x) (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 K

3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Monte Carlo LS 2003:

• (ign harn, top of eng, near icm)
• (left rear of engine, below icm)
• (on brake pedal support) stoplamp switch
• (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)
• 1-2 shift sol
• 18x ref
• 2-3 shift sol
• 3x ref
• A/c press sens
• A/t fluid temp
• Abs/ pcm fuse 10a
• Bank 1 ks sig
• Bank 2 ks sig
• Battery
• Bypass
• 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
• G113
• High speed fan
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in on or start
• Iac b high
• Iat sens
• Ign control
• Ignition
• Ignition control module (top left front of eng)
• Iss sens high
• Iss sens low
• Left i/p junction block (left end of dash)
• Low speed fan
• Maf sens
• Map 5v ref
• Map sens
• 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 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Monte Carlo LS 2003:

• (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 refrigerent 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 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Monte Carlo LS 2003:

• (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
• (left side of brake pedal bracket) g203
• (on transaxle stud)
• 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
• 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 2003

List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Monte Carlo LS 2003:

• (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)
• 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
• 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 2003

List of elements for Back-up Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (behind left side of dash) body control module
• (lower left rear of eng, on transaxle stud)
• Automatic transaxle
• Automatic transaxle internal mode switch
• B/u lamp fuse 10a
• Back-up lamps relay
• Back-up lp rly ctrl
• D10
• Dic/rke fuse 10a
• G113
• G302 (at base of right "b" 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 (in air cleaner box)
• Right back- up lamp
• Right i/p junction block
• S108
• S401
• Serial data
• Splice pack sp205 (next to left i/p accessory wiring junction block, tape to harness)

Exterior Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Exterior Lamps Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (forward lamp wiring harness, left of the right headlamp connector breakout)
• (rear body wiring harn, right rear side of rear compt) s400
• A10
• A11
• A4 tan
• A9 tan
• Anti-lock brakes system
• B11
• Body control module (bcm) (behind left side of dash)
• Brake sw fuse 15a
• C11
• Center high mounted stop lamp
• Cruise control system
• E10
• F12
• Front park lp fuse 15a
• G101 (left radiator support)
• G201 (behind left side of dash, on right side of brake pedal)
• G203 (behind left side of dash, on right side of brake pedal)
• G302 (at base of right "b" pillar)
• H11
• H12
• Haz sw fuse 15a
• Hazard
• Hazard switch
• Head
• Headlamp switch
• Hot at all times
• Hot in run or start
• Instrument panel cluster (ipc)
• Interior lights
• K11
• K12
• Led
• Left
• Left headlamp
• Left i/p junction block
• Left tail lamp
• Left turn indicator
• License plate lamp
• Normal
• Off
• Park
• Park lp relay
• Park park
• Pnk
• Rear park lp fuse 15a
• Red
• Right
• Right headlamp
• Right i/p junction block
• Right tail lamp
• Right turn indicator
• Rt i/p 1 fuse 60a
• S150
• S176
• S229
• S253
• S401
• S900
• Stop
• Stop light switch
• Tan
• Timer
• Turn
• Turn sig sw out
• Turn signal fuse 15a
• Turn signal multi- function switch
• Turn/ stop
• Underhood junction block

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Monte Carlo LS 2003

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Monte Carlo LS 2003:

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

Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Monte Carlo LS 2003

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Monte Carlo LS 2003:

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

Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Monte Carlo LS 2003

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Monte Carlo LS 2003:

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

HEADLIGHTS

Headlights Wiring Diagram, without Police Or Emergency Vehicle Option for Chevrolet Monte Carlo LS 2003

List of elements for Headlights Wiring Diagram, without Police Or Emergency Vehicle Option for Chevrolet Monte Carlo LS 2003:

• (foward lamp harn, 4 cm from outside air temp sensor breakout) s173
• (on front of right strut tower)
• Al sens ref
• Al sens sig
• Ambient light sensor (top right of dash)
• B10
• Body control module (behind left side of dash)
• Computer data lines system
• Drl relay
• Drl/ext lts fuse 15a
• E10 c1
• E11
• Ext lts fuse 10a
• F11
• F12
• Fog lamp switch
• Fog light relay
• Fog lp relay
• Fog lp sw
• Fog rly fuse 10a
• G pnk
• G101 (left radiator support)
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G203 (behind left side of dash)
• Head
• Headlamp dimmer switch
• Headlamp relay
• Headlamp rly
• Headlamp sw
• Headlamp switch
• High beam
• High beam in
• Hot at all times
• Interior lights system
• Left fog lamp
• Left headlamp assembly
• Left i/p junction block
• Left i/p junction block (left side of dash)
• Low beam
• Off
• On indicator
• Park
• Park brake in
• Park brake switch (base of parking brake assembly)
• Pnk
• Right fog lamp
• Right headlamp assembly
• S150
• S172
• S236
• S253
• Serial data
• Underhood junction block (top)

HORN

Horn Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Horn Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• 1995 vftc c
• Body control module (behind left side of dash)
• C201
• G101 (left radiator support)
• G201 (below left side of dash)
• Horn (right side of engine compt, below right headlamp)
• Horn brush
• Horn relay
• Horn switch
• Horn/rly fuse 15a
• Hot at all times
• Nca
• S148
• S236
• Slip ring
• Spring
• Steering column
• Top underhood junction block
• Top underhood junction block (right side of engine compartment, forward of strut tower)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Instrument Cluster Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (cf5: roof, sun glass, sliding electric)
• (clear)
• (or 685)
• (or 686) (or 686)
• (or tan) (or tan)
• -charge indicator
• -trunk open -change engine oil -traction active -over speed -low oil pressure -hot coolant temp -service traction system -reduce engine power -low tire pressure -intrusion on -intrusion off -door ajar -high beam out -low engine oil level -service vehicle soon -low coolant level -security -low washer fluid -low fuel -low brake fluid
• A/c- cruise fuse 10a
• Abs ind
• Air bag ind
• Ambient air temperature gauge sensor
• Ambient temp
• Battery
• Brake fluid level switch (in master cylinder reservoir)
• Brake ind
• Brake lvl
• C12
• Check (malfunction indicator lamp-mil)
• Clstr/ bcm fuse 10a
• Computer data lines system
• Cool lvl
• Coolant level switch (right upper of radiator)
• Cruise ind
• Data line
• Dic/ rke fuse 10a
• Display
• Driver information center (dic) (in front center
• Engine coolant temper- ature gauge
• Engine oil pressure gauge
• Exterior lights system
• Fuel gauge
• G101 (left radiator support)
• G201 (behind left side of dash, on left side of brake pedal bracket)
• G203 (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)
• Gnd
• Ground
• High beam ind
• Hot at all times
• Hot in accy or run
• Hot in run
• Ignition
• Illumination (7 bulbs)
• Instrument cluster
• Interior lights system
• Internal compass sensor (w/o cf5)
• Left i/p junction block (end of dash in left door opening)
• Left turn ind
• Left turn input
• Logic
• Message center
• Mil cntl
• Nca
• Odometer/ prndl display
• Of roof)
• Pcm/bcm/ clstr fuse 10a
• Power tops system
• Powertrain control module (pcm) (in air cleaner box)
• Red
• Remote compass sensor (cf5) (integral to headline console)
• Reset switch
• Right i/p junction block
• Right i/p junction block (end of dash in right door opening)
• Right turn ind
• Right turn input
• S150
• S174
• S229
• S236
• S253
• S322
• Seat belt ind
• Serial data
• Service engine soon ind
• Speedo- meter
• Sunroof close
• Sunroof open
• Sunroof sw
• Tacho- meter
• Trac off ind
• Vf display driver
• Volt- meter
• W/ dic only
• Wash lvl
• Windshield washer fluid level switch

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 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 Monte Carlo LS 2003

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Monte Carlo LS 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 Monte Carlo LS 2003

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Monte Carlo LS 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 Monte Carlo LS 2003

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Monte Carlo LS 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

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Chevrolet Monte Carlo LS 2003

List of elements for Power Distribution Wiring Diagram (1 of 5) for Chevrolet Monte Carlo LS 2003:

• (dash harness, approximately 16 cm (6 in) from circuit breaker 3) s244
• Audio amplifier
• B10
• Battery
• Circuit breaker 1 30a
• Circuit breaker 2 30a
• Circuit breaker 3 50a
• Cooling fans fuse 60a
• Crank relay
• D11
• Digital radio receiver
• Driver outside rearview mirror
• Electronic brake control module (ebcm)
• F10
• F11
• From crank relay o (diagram 2 of 5)
• From right i/p 3 fuse (diagram 1 of 5)
• Fuse block- seo (w/9c1/9c3/9c6)
• Fusible link (10 ga-rust)
• Fusible link (14 ga-gray) (w/9c1,9c3, 9c6)
• Fusible link (16 ga-black) (w/anti-lock brakes system)
• G203 (under dash, to right of steering column, on dash support bracket)
• Generator
• Harness, approx 10.5 cm (4 in) from ambient air temperature sensor breakout, toward right headlamp) s174
• Htd mir fuse 10a
• Ign rly relay
• Ign sw fuse 60a
• Junction block- left i/p
• Junction block- rear compartment (seo)
• Junction block- right i/p
• Junction block- underhood (bottom)
• Junction block- underhood (top)
• Left i/p fuse 60a
• Passenger outside rearview mirror
• Pnk
• Radio
• Radio antenna module
• Radio fuse 15a
• Rear defog circuit breaker 30a
• Rear defog relay
• Red
• Right i/p 1 fuse 60a
• Right i/p 2 fuse 60a
• Right i/p 3 fuse 60a
• S370 (body wiring harness, right side of floor)
• Seo relay
• Starter motor
• To fan cont 1 fuse (diagram 3 of 5)
• To ignition switch (diagram 2 of 5)
• To junction block- left i/p (diagram 3 of 5)
• To junction block- right i/p (diagram 4 of 5)
• To junction block- right i/p (diagram 5 of 5)
• To junction block- underhood (top) (diagram 5 of 5)
• To rear defog relay (diagram 1 of 5)
• To splice s177 (diagram 3 of 5)
• U/hood fuse 60a

Power Distribution Wiring Diagram (2 of 5) for Chevrolet Monte Carlo LS 2003

List of elements for Power Distribution Wiring Diagram (2 of 5) for Chevrolet Monte Carlo LS 2003:

• (engine harness, lower left rear side of engine compartment) s169
• (not used)
• A/c cruise fuse 10a
• A/c fan fuse 20a
• A10
• A11
• A12
• Abs/pcm fuse 10a
• Acc
• Accy
• Air temperature actuator (manual a/c) left air temperature actuator (optional)
• Bcm fuse 10a
• Body control module (bcm)
• C201
• C373
• Cig/ aux fuse 10a
• Crank
• 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 canister vent solenoid
• F10
• From ign sw fuse (diagram 1 of 5)
• From ignition switch (diagram 2 of 5)
• Hvac control module
• Ign 0
• Ign 1
• Ign 3
• Ignition key alarm switch (closed with key in ignition switch)
• Ignition switch
• Ignition switch)
• Inflatable restraint sensing & diagnostic module (sdm)
• Inside rearview mirror
• Instrument panel cluster (ipc)
• Junction block- left i/p
• Junction block- underhood (top)
• Off
• Pcm (crank) fuse 10a
• Pcm/bcm clstr fuse 10a
• Pnk
• Powertrain control module (pcm)
• Red
• Right air temperature actuator (optional)
• S234 (dash harness, behind center of dash, approximately 32.5 cm (13 in) from red
• Srs fuse 10a
• Start
• Stop fuse 10a
• Stop lamp 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
• Turn signal/ hazard flasher module
• W/ gps
• W/display driver information center
• W/o gps
• Warning systems
• Windshield wiper system module
• Windshield wiper/ washer switch
• Wsw fuse 25a

Power Distribution Wiring Diagram (3 of 5) for Chevrolet Monte Carlo LS 2003

List of elements for Power Distribution Wiring Diagram (3 of 5) for Chevrolet Monte Carlo LS 2003:

• (3.8l-engine harness at egr valve breakout) (3.4l-engine harness, left front of engine compartment, approximately 10.5 cm (4 in) from 24 cavity black in-line connector) s157
• (dash harness, behind left side of dash, approx. 4 cm (2 in) from body computer module breakout) s236
• (diagram 1 of 5)
• (engine harn, right front of engine approx 4.7 cm (2 in) from c112) s131
• (under dash, to right of steering column, on i/p support bracket) 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
• A12
• Automatic transaxle
• Body control module (bcm)
• C1 b
• C1 e11
• C11
• C113
• C12 c1
• C2 b (3.4l)
• C311
• Clstr/ bcm fuse 10a
• Data link connector (dlc)
• Dfi mdl fuse 15a
• Dr lk fuse 20a
• Driver heated seat relay
• Driver seat
• Driver window switch
• E1 c2
• Eng devices fuse 10a
• Evaporative emission (evap) canister purge solenoid
• F11
• F12
• 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
• If equipped
• Ignition control module (icm)
• Impala
• Instrument panel cluster (ipc)
• Junction block (underhood (bottom)
• Junction block- left i/p
• Junction block- right i/p
• Junction block- underhood (bottom)
• Lh htd st/bcm fuse 15a
• Mass air flow (maf) sensor
• Monte carlo
• Nca
• Outside rearview mirror switch
• Oxy sen fuse 15a
• P (3.8l)
• Pnk
• Pnk (3.8l: engine harness, engine near iat sensor) s109 (3.4l: engine harn, on left side of engine compt. approx (2 in) from pcm breakout)
• Pwr mir fuse 2a
• Red
• Red s115
• Retained accsry power relay
• Retained accsry pwr brkr circuit breaker 30a
• S132 (inside underhood junction block (top))
• S179 (inside underhood junction block (top))
• Sunroof module (if equipped)
• Torque converter clutch (tcc) solenoid valve
• Trans sol fuse 10a

Power Distribution Wiring Diagram (4 of 5) for Chevrolet Monte Carlo LS 2003

List of elements for Power Distribution Wiring Diagram (4 of 5) for Chevrolet Monte Carlo LS 2003:

• (rear body harness, right side of rear compartment, approximately (19.5 cm) (7 in) from grommet right rear corner of rear compartment) s400
• (roof harness, right side of roof approximately 12.5 cm (5 in) from dome lamp breakout, toward rear of roof) s391
• A11
• A12 c2
• Auxiliary dome lamp
• B/u lp fuse 10a
• Backup lp relay
• Batt rundown protection relay
• Body control module (bcm)
• C1 d4
• C2 e8
• C2 f10
• C311
• C312
• C400
• Connector) s176
• D10
• D9 c2
• Dic/rke fuse 10a
• Dome lamp
• Driver information center (dic)
• Driver seat
• Driver seat adjuster switch
• E3 c1
• E5 c2
• Emergency vehicle rear compartment lid lamps relay
• F1 c1
• F12
• F4 c1
• From junction block- underhood (top) (diagram 1 of 5)
• Front park lp fuse 15a
• Front passenger heated seat relay
• Front passenger seat
• Front passenger seat adjuster switch
• H10
• H11
• H12
• Headlamp switch
• Hvac control module
• I/p brp fuse 10a
• I/p compart- ment lamp
• If equipped
• Impala
• Inside rearview mirror
• Inside rearview mirror (optional)
• Junction block- right i/p
• K10
• K11
• K12
• L10
• Left backup lamp
• Left headlamp assembly
• Left i/p courtesy lamp
• Left license lamp
• Left reading lamp assembly (impala)
• Left tail lamp assembly
• Left vanity mirror lamp (optional)
• 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) (if equipped)
• Rh htd st fuse 15a
• Right backup lamp
• Right headlamp assembly
• Right i/p courtesy lamp
• Right license lamp
• Right reading lamp assembly (impala)
• Right tail lamp assembly
• Right vanity mirror lamp (optional)
• To auxiliary power drop connector (diagram 5 of 5)
• Trk/ roof brp fuse 15a
• Vehicle communication interface module
• W/ gps
• W/o gps

Power Distribution Wiring Diagram (5 of 5) for Chevrolet Monte Carlo LS 2003

List of elements for Power Distribution Wiring Diagram (5 of 5) for Chevrolet Monte Carlo LS 2003:

• (diagram 1 of 5)
• (not used)
• (optional) fog lts relay
• A/c cmpr relay
• A/c rly (cmpr) fuse 10a
• Approximately 6.5 cm (2 in) from 8 cavity black connector below driver's seat) s320
• Aux pwr fuse 20a
• Auxiliary power drop connector
• Auxiliary power outlet (w/o console)
• Auxiliary power output (w/ console)
• Blower motor resistor assembly
• Brk sw fuse 15a
• C/ltr fuse 15a
• C122
• Cigar lighter (w/ console)
• Cigar lighter (w/o console)
• Data link connector (dlc)
• Drl rly relay
• Drl/ext lts fuse 15a
• E10
• E11
• Emergency vehicle headlights flasher
• Emergency vehicle rear lamps flasher
• Ext lts fuse 10a
• F/pmp rly fuse 15a
• F11
• Fog rly fuse 10a (optional)
• From cig/aux fuse (diagram 2 of 5)
• From ignition switch breakout) s229
• From pwr drop fuse (diagram 4 of 5)
• From right i/p 2 fuse h
• From s178 (diagram 5 of 5)
• From u/hood 1 fuse (diagram 1 of 5)
• Fuel pump relay
• G201 (under dash, to right of steering column, on i/p support bracket)
• G301 (below driver door opening, rear of left "a" pillar)
• Generator
• Haz sw fuse 15a
• Horn rly fuse 15a
• Horns relay
• Hvac blo fuse 25a
• Junction block- right i/p
• Junction block- underhood (bottom)
• Junction block- underhood (top)
• Left headlamp assembly
• Left- spot lamp (optional)
• Nca
• Pcm fuse 15a
• Powertrain control module (pcm)
• Red
• Right headlamp assembly
• Right i/p junction block
• Right- spot lamp (optional)
• S178 (inside underhood junction block (top)) red
• Splice pack- sp205
• Spot lamp-l fuse 15a
• Spot lamp-r fuse 15a
• Stop lamp switch
• To horn relay fuse (diagram 5 of 5)
• Turn signal/ hazard flasher module
• Vehicle interface unit (viu) (in rear compartment, mounted to rear of left rear wheel wheelhouse)
• W/ headlamp flashers
• W/ 9c1/9c3/ 9c8
• W/9c1/9c3
• W/o 9c1/9c3/ 9c8
• W/o headlamp flashers

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Power Door Locks Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (impala)
• (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)
• Closed
• Clstr/bcm fuse 10a
• Ctsy
• D12
• Dic/rke fuse 10a
• Door ajar in
• Door lock
• Down
• Dr lk fuse 20a
• Dr lk/unlk
• Driver door lock cylinder switch
• Driver door lock switch
• Front passenger door lock switch
• G203 (under dash, to right of steering column)
• Ground
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ignition 0
• Ignition 1
• Illum entry
• Interior lights system
• Left i/p junction block
• Lf dr lk/unlk
• Lf dr open in
• Lh htd seat/bcm fuse 15a
• Lk/unlk in
• Lock
• Ohms
• Open
• Pcm/bcm/ clstr fuse 10a
• Pnk
• Power distrib- ution system
• Power distribution system
• Remote control door lock receiver (upper center of dash)
• Right i/p junction block
• S236
• S253
• S322
• Serial data sig
• Stop fuse 10a
• Tan
• Trunk rel ctrl
• Trunk/tailgate/ fuel doors system
• Un- lock
• Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (at base of right "b" pillar) g302
• A/c cruise fuse 10a
• B/u lamp fuse 10a
• B6 c1
• Back-up lamps relay
• Body control module (bcm) (behind left side of dash)
• C9 c2
• D10
• Dic/rke fuse 10a
• E3 c1
• Electrochromatic
• Exterior lights system
• Hot at all times
• Hot in run
• Ign
• Inside rearview mirror
• Interior lights system
• L10
• Left i/p junction block (left side of dash, behind access panel)
• Left mirror switch
• N10
• Rev
• Right i/p junction block (right side of dash behind access panel)
• Right mirror switch
• S392
• W/ gps
• W/o gps

Power Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Power Mirror Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• Defogger system (heated mirror)
• Driver outside rearview mirror
• G301 (left "b" 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
• Right/ left select switch
• S504
• Vert

POWER SEATS

6-Way Power Seat Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• Back
• C2 f8
• Driver seat adjuster motor assembly
• Driver seat adjuster switch
• Driver seat front vertical motor
• Driver seat horizontal 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 (rear of left "a" pillar)
• G302 (rear of right "a" pillar)
• Hot at all times
• Nca
• Power seats circuit breaker 30a
• Rear down
• Rear up
• Right i/p junction block
• S320
• S328
• Tan

Heated Seats Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Heated Seats Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• A12
• Body control module (behind left side of dash)
• 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 dushion 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 (rear of left "a" pillar)
• G302 (rear of right "a" pillar)
• Ground
• Hot at all times
• Interior lights system
• Left i/p junction block
• Lh htd st/ bcm fuse 15a
• Lo/hi input
• Nca
• On input
• Pnk
• Rh htd seat fuse 15a
• Right i/p junction block
• S320
• S330
• S333
• Sensor input

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram, with DIC for Chevrolet Monte Carlo LS 2003

List of elements for Power Top/Sunroof Wiring Diagram, with DIC for Chevrolet Monte Carlo LS 2003:

• Close
• Close sig
• Driver information center (dic) (front center of roof)
• G302 (base of right "b" pillar)
• Ground
• Hot in accy, on & rap
• Left i/p junction block (left side of dash behind access panel)
• Nca
• Open
• Open sig
• Red
• Retained accessory power circuit breaker 30a
• S328
• Soft stop
• Stop input
• Sun roof control module (in roof)
• Sunroof motor (center left of windshield)
• Sunroof opening postion switch (above sunroof motor)
• Vent
• Vent input

Power Top/Sunroof Wiring Diagram, without DIC for Chevrolet Monte Carlo LS 2003

List of elements for Power Top/Sunroof Wiring Diagram, without DIC for Chevrolet Monte Carlo LS 2003:

• Close
• Close sig
• G302 (base of right "b" pillar)
• Ground
• Hot in accy, on & rap
• Left i/p junction block (left side of dash behind access panel)
• Nca
• Open
• Open sig
• Red
• Retained accessory power circuit breaker 30a
• S328
• Soft stop
• Stop input
• Sun roof switch (front center of roof)
• Sunroof module (in roof near windshield)
• Sunroof motor (center left of windshield)
• Sunroof opening position switch (above sunroof motor)
• Vent
• Vent input

POWER WINDOWS

Power Windows Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Power Windows Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (at base of left "b" 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
• Front passenger window switch
• G302 (at base of right "b" pillar)
• Hot w/retained accsry pwr relay energized
• Illumination lamps
• Interior lights system
• Left i/p junction block (left side of dash, behind access panel)
• Retained accsry pwr 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 2003

List of elements for Radio Wiring Diagram, with Amplifier (1 of 2) for Chevrolet Monte Carlo LS 2003:

• (on right side of "b" pillar) g309
• A10
• A11
• A12
• A5 c1
• A8 c2
• Ant
• Ant enable
• Antenna enable sig
• Aud out-
• Aud signal
• Audio amplifier (in luggage compt, beneath center of rear package shelf)
• B10
• B11
• B12
• Batt
• C11
• C12
• C2 e2
• Common
• Computer data lines system
• Data
• Defog grid/ am ant
• F10
• F11 c1
• G202 (behind left side of dash, left side of brake pedal bracket)
• G206 (behind center of dash)
• Ground
• Hot at all times
• Illum
• Interior lights system
• Left aux
• Left i/p junct block
• Left i/p junction block (left side of dash)
• Lf spkr
• Lf spkr out+
• Lf spkr out-
• Lf twet spkr out+
• Lf twet spkr out-
• Lr spkr
• Lr spkr out+
• Lr spkr out-
• Nca
• Pnk
• Radio
• Radio antenna module
• 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 accessory wiring junction block
• Right i/p junct block c2
• Right i/p junction block
• Right i/p junction block (end of dash, in right door opening)
• Rr spkr
• Rr spkr out+
• Rr spkr out-
• S229
• S360
• S370
• Satelite radio circuit
• Tan
• Vehicle communication interface module (in rear compartment)

Radio Wiring Diagram, with Amplifier (2 of 2) for Chevrolet Monte Carlo LS 2003

List of elements for Radio Wiring Diagram, with Amplifier (2 of 2) for Chevrolet Monte Carlo LS 2003:

• 1.18k
• 2.37k
• 6.96k
• Inflatable restraint steering wheel module coil
• Left front door speaker
• Left radio control switches
• Left rear speaker
• Nca
• Pnk
• Red
• Right front door speaker
• Right radio control switches
• Right rear speaker
• Steering wheel controls
• Tan

Radio Wiring Diagram, without Amplifier for Chevrolet Monte Carlo LS 2003

List of elements for Radio Wiring Diagram, without Amplifier for Chevrolet Monte Carlo LS 2003:

• (end of dash, in left door opening) left i/p junction block
• (on right side of "b" pillar) g313
• A10
• A11
• A12
• A5 c1
• A8 c3
• Ant enable
• B10
• B11
• B12
• Batt
• C11
• C12
• Common
• Computer data lines system
• Data
• Defog grid/ am ant
• Defogger system
• F10
• F11 c1
• Fm ant
• G202 (behind left side of dash, left side of brake pedal bracket)
• G206 (behind center of dash)
• Ground
• Hot at all times
• Illum
• Inflatable restraint steering wheel module coil
• Interior lights system
• Left aux
• Left front door speaker
• Left front tweeter (uplevel)
• Left radio control switches
• Left rear speaker
• Lf spkr
• Lr spkr
• Mode
• Mute
• Nca
• Pnk
• Preset
• Radio
• Radio antenna module
• Radio fuse 15a
• Rear window
• Remote
• Remote out
• Rf spkr
• Right aux
• Right front door speaker
• Right front tweeter (uplevel)
• Right i/p accessory wiring junction block
• Right i/p junction block (end of dash, in right door opening)
• Right radio control switches
• Right rear speaker
• Rr spkr
• S229
• Satelite radio circuit
• Seek dn
• Seek type
• Seek up
• Tan
• Vol dn
• Vol up

Satellite Radio Wiring Diagram, Early Production for Chevrolet Monte Carlo LS 2003

List of elements for Satellite Radio Wiring Diagram, Early Production for Chevrolet Monte Carlo LS 2003:

• A12
• Antenna
• Aud out -
• Aud-
• Bare
• C1 a7
• C2 a6
• Coax ant in (sat)
• Coax ant in (terr)
• Computer data lines system
• Digital radio
• Digital radio receiver
• Drain wire
• F11 c1
• F2 c3
• G202 (under dash, in center)
• Ground
• Hot at all times
• Lf aud +
• Lt sig
• Radio
• Radio fuse 15a
• Right i/p junction block (behind right side of dash)
• Rt aud +
• Rt sig
• S360
• S370
• Serial data

Satellite Radio Wiring Diagram, Late Production for Chevrolet Monte Carlo LS 2003

List of elements for Satellite Radio Wiring Diagram, Late Production for Chevrolet Monte Carlo LS 2003:

• A12
• Antenna
• Aud out -
• Aud sig-
• Bare
• C1 a7
• C2 a6
• Coax ant in (sat)
• Coax ant in (terr)
• Computer data lines system
• Digital radio
• Digital radio receiver
• Drain wire
• F11 c1
• F2 c3
• G202 (under dash, in center)
• Ground
• Hot at all times
• Lf aud +
• Lt sig
• Radio
• Radio fuse 15a
• Right i/p junction block (behind right side of dash)
• Rt aud +
• Rt sig
• S360
• S370
• Serial data

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Shift Interlock Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• 1995 vftc c
• 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)
• C113
• D10
• G113 (on transaxle stud)
• Hot in on and start
• Left i/p junction block (left side of dash)
• Pnk
• Powertrain control module (in air cleaner box)
• S106
• Splice pack sp205 (left side of dash)
• Stop fuse 10a
• Stoplamp switch (on brake pedal bracket)
• Tan/
• Transmission internal mode switch
• W/center console
• W/o center console

STARTING/CHARGING

Charging Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Charging Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (not used)
• A/c rly (cmpr) fuse 10a
• Battery
• Charge warning indicator (red)
• Class 2 serial data
• Class 2 serial data c1
• Computer data lines
• Fusible link (10 ga- rust)
• G113 (on transaxle stud, near starter)
• Generator
• Generator turn on signal c2
• Hot at all times
• Hot in acc, on or start
• Instrument panel cluster
• Left i/p junction block (left side of dash, behind access panel)
• Pcm/bcm/clstr fuse 10a
• Power distribution system
• Powertrain control module (pcm) (in air cleaner box)
• Red
• Splice pack sp205 (next to left i/p accessory wiring junction block wiring harness, taped on harness)
• Starter solenoid
• Underhood junction block (top) (on front of right strut tower)

Starting Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Starting Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• 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)
• 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)
• Off
• Pcm (crank) fuse 10a
• Pnk
• Power distribution system
• Powertrain control module (in air cleaner box)
• Pull- in coil
• Red
• Splice pack sp205 (next to left i/p accessory wiring junction block, taped on harness)
• 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 2003

List of elements for Supplemental Restraints Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (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
• I/p panel fuse block (left side of dash, behind access panel)
• 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 (ipc)
• 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 2003

List of elements for A/T Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (3.4l)
• (3.8l)
• (below dash, right side of steering column) data link connector
• (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 (left rear of engine, near coolant outlet)
• G113 (lower left of engine, on transaxle stud)
• Hot at all times
• Hot in on or start
• Ignition in
• Instrument panel cluter
• Left i/p junction block (left) (left side of dash)
• Malfunction indicator lamp
• Map sensor
• Mil ctrl
• 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 (front of right strut tower)
• Vehicle speed sensor (lower right rear of engine compt, end of transaxle)
• Vss hi (signal)
• Vss lo (ground)

TRUNK, TAILGATE, FUEL DOOR

Trunk, Tailgate, Fuel Door Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• A11
• Batt
• Body control module (behind left side of dash)
• Class 2 ser data
• Computer data lines system
• D12
• Dic/rke fuse 10a
• G203 (behind left side of dash, on right side of brake pedal bracket)
• G302 (at base of right "b" pillar)
• Gnd
• Hot at all times
• Input
• Instrument panel cluster
• Output
• Rear compartment lid ajar switch
• Rear compartment lid release actuator (on center of luggage compartment lid)
• Rear compartment lid release switch
• Remote control door lock receiver (on upper center of dash)
• Rfa link
• Right i/p junction block
• Right i/p junction block (end of dash, in right door opening)
• S253
• S440 (in main body wiring harness)
• S900
• Trunk ajar sw
• Trunk open ind

WARNING SYSTEMS

Warning Systems Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Warning Systems Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (under dash to right of steering column) g203
• (under dash, to right of steering column) g201
• A10
• A12
• A15
• Accessory voltage
• Ajar
• Battery
• Bcm fuse 10a
• Body control module (bcm) (behind left side of dash, above parking brake lever)
• Class 2 serial data
• Closed
• Clstr/ bcm fuse 10a
• Data link connector (dlc) (partial) (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
• Exterior lights system
• G203 (under dash, to right of steering column)
• G301 (below driver door opening, rear of left "a" pillar)
• Gnd
• Ground
• Head
• Headlamp switch
• Headlamp switch signal
• Hot at all times
• Hot in accy & on
• Hot in accy, on & start
• Hot in on & start
• Ignition 0 voltage
• Ignition 1 voltage
• Ignition key alarm switch (closed w/key in ignition switch)
• Ignition switch
• 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 turn signal indicator
• Left turn signal lamps voltage
• Lh htd st/bcm fuse 15a
• Logic
• 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
• Right turn signal indicator
• Right turn signal lamps voltage
• S236 (i/p wiring harness, behind left side of dash, 4 cm from bcm breakout)
• S253 (i/p wiring harness, behind lower left side of dash, 24 cm from sp205 breakout)
• S322 (main body wiring harness, left side of passenger compartment, 10 cm from c311 breakout)
• Splice pack sp205 (in i/p harness, to right of park brake lever)
• Stop fuse 10a
• Tan

WIPER/WASHER

Wiper/Washer Wiring Diagram for Chevrolet Monte Carlo LS 2003

List of elements for Wiper/Washer Wiring Diagram for Chevrolet Monte Carlo LS 2003:

• (behind left side of dash, on left side of brake pedal bracket) g201
• (left radiator support) g101
• 1,000 ohms
• 10,000 ohms
• 2,000 ohms
• 24,000 ohms
• Hot in accy & on
• Ign
• Instrument panel cluster
• Left i/p junction block (end of dash in left door opening)
• Message center
• Mist
• Nca
• Off
• Ohms
• Park switch
• Pulse timer circuitry
• Red
• S150
• Washer switch
• Windshield washer fluid level switch
• Windshield washer fluid pump
• Windshield wiper motor (on left side of firewall, in engine compartment)
• Windshield wiper/washer switch
• Wiper switch
• Wsw fuse 25a