Diagram sections — 25 (56 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES CRUISE CONTROL ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Compressor Wiring Diagram for Chevrolet Colorado 2004 List of elements for Compressor Wiring Diagram for Chevrolet Colorado 2004: 28 5v ref A/c comp fuse 77 10a A/c comp relay A/c compressor clutch A/c refrigerant pressure sensor (right rear of engine compt) A/c req sig A42 A43 A47 Body control module (lower center of dash) C7 f5 Computer data lines system Evaporator temperature sensor (lower right side of dash) G101 (lower left side of engine) G106 Hot at all times Hot in run or start Hvac control module (under dash) Ign fuse 23 15a Logic Low ref Powertrain control module (pcm) (right rear corner of eng compt) Press sens sig Rly ctrl S200 (6 cm from instrument cluster breakout) Serial data Sp106 (right side of eng compt) Underhood fuse block (left front side of engine compt) Heater Wiring Diagram for Chevrolet Colorado 2004 List of elements for Heater Wiring Diagram for Chevrolet Colorado 2004: 28 (14 cm from recirc act breakout toward blower motor resistor assembly) s202 A/c fuse 5 10a A26 B c4 Blower fuse 41 30a Blower motor (below right side of dash) Blower motor resistor assembly (on rear of hvac case) Blower motor switch Body control module (lower center of dash) Dimmer sw sig F10 c7 G106 Grd High Hot at all times Hvac control module (under dash) Ign 3 hvac relay Ign 3 voltage Interior lights system Logic Low Off Off blr mtr ctrl Power distribution system S200 (6 cm from instrument cluster breakout) Sp106 (right side of eng compt) Tan Underhood fuse block (left front side of engine compt) Manual A/C Wiring Diagram for Chevrolet Colorado 2004 List of elements for Manual A/C Wiring Diagram for Chevrolet Colorado 2004: 52 (14 cm from recirc act breakout toward blower motor resistor assembly) s202 (6 cm from instrument cluster breakout) 5v ref A/c comp fuse 77 10a A/c comp relay A/c compressor clutch A/c fuse 5 10a A/c refrigerant pressure sensor (right rear of engine compt) A/c req sig A26 A42 A43 A47 B c4 Blower fuse 41 30a Blower motor (below right side of dash) Blower motor resistor assembly (on rear of hvac case) Blower motor switch Body control module (lower center of dash) C7 f5 Computer data lines system Dimmer sw sig Dr ctrl a Dr ctrl b Evaporator temperature sensor (lower right side of dash) F10 c7 G101 (lower left side of engine) G106 Grd High Hot at all times Hot in run or start Hvac control module (under dash) Ign 3 hvac relay Ign 3 voltage Ign fuse 23 15a Interior lights system Logic Low Low ref Off Off blr mtr ctrl Power distribution system Powertrain control module (pcm) (right rear corner of eng compt) Press sens sig Recirculation actuator (right side of dash) Rly ctrl S200 Serial data Sp106 (right side of eng compt) Tan Underhood fuse block (left front side of engine compt)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Chevrolet Colorado 2004 List of elements for Anti-lock Brakes Wiring Diagram for Chevrolet Colorado 2004: 65 2wd A17 A26 A31 A39 A45 Abs 1 fuse 45 30a Abs 2 fuse 44 40a Abs fuse 16 10a Abs ind Accessory switch B c5 Bat Body control module (bcm) (lower center of dash) Brake fluid level switch (brake fluid reservoir) Brake fluid lvl sens sig Brake ind C2 b C2 h Class 2 (ebcm) Class 2 serial data Computer data lines system Del torque sig (2wd) Delivered torque signal E11 c7 Electronic brake control module (ebcm) (on inner left frame rail, beside trans) G sensor (4wd) (below driver seat) G105 G106 Grd Hot at all times Hot in run or start Ign Ign 1 voltage Instrument panel cluster Interior lights system Left front wheel speed sensor Lf spd sens sply volt Lf whl spd sens sig Lng rate sig (4wd) Logic Low ref (4wd Nca Park brake switch (lower left end of dash) Park brk sw sig Pnk Powertrain control module (pcm) (left side of eng compt) Red Req torque sig (2wd) Requested torque signal Rf spd sens sply volt Rf whl spd sens sig Right front wheel speed sensor S100 (14.5 cm from accelerator pedal position sw breakout) Sp105 (left side of eng compt) Sp106 (right side of eng compt) Sp106 (right side of engine compt) Stop fuse 1 20a Stop lamp switch (above brake pedal assembly) Stop lmp sply voltage Tan Tcs req indicator ctrl Trac ctrl sw sig Underhood fuse block (left front side of eng compt) Vss
ANTI-THEFT Anti-theft Wiring Diagram for Chevrolet Colorado 2004 List of elements for Anti-theft Wiring Diagram for Chevrolet Colorado 2004: 69 (2.8l) (3.5l) 2.8l 3.5l A14 A19 A2 c6 A24 A32 A38 A39 A40 A42 A44 A47 Acc B3 c7 Battery + Body control module (bcm) (lower center of dash) C2 f4 Class 2 data Class 2 serial data Cluster fuse 38 10a Crew cab Data link connector (lower left side of dash) Driver door jamb switch Exterior lights system Front passenger door jamb switch Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel injector Fuel injector (3.5l) G300 (under driver seat) G301 (under front passenger seat) Ground Horn rly ctrl Horns system Hot at all times Hot in run & start Ign key resistor sig Ignition switch Injector fuse 22 15a Instrument panel cluster (ipc) Key-in switch Left rear door jamb switch Lf door ajar Lr door ajar Off Off/run/crnk volt Park lamp rly ctrl Pnk Powertrain control module (right rear of engine compt) Rf door ajar Right rear door jamb switch Rr door ajar Run S103 S303 Security ind Security/ c.t.d. ind Start Tbc fuse 34 10a Theft ohms Turn/ haz fr fuse 37 15a Turn/ haz rr fuse 28 15a Underhood fuse block (left front side of engine compt)
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for Chevrolet Colorado 2004 List of elements for Body Control Modules Wiring Diagram (1 of 2) for Chevrolet Colorado 2004: 96 (under front passenger seat) g301 (w/ crew cab) (w/ remote keyless entry) A/c req sig A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 Accessory voltage Air conditioning system Battery + Beam select rly ctrl Body control module (behind right kick panel) Brake fluid level sen sig Class 2 serial data Computer data lines system Courtesy lamp low ctrl Courtesy lamp pwr Courtesy lmp pwr Door locks system Door unlock ctrl Engine controls system Exterior lights system Fog lamp rly ctrl Ground Headlamp rly ctrl Headlights system Horn rly ctrl Horns system Hot at all times Ign 3 voltage Instrument cluster system Interior lights system Left seat belt sw Left trn sig lamp pwr Lf door ajar sw sig Lr door ajar sw sig Lr turn sig lamps pwr Mirrors system Park brake sw sig Park lamp power Park lamp rly ctrl Pass dr lock sw lock ctrl Pnk Power distribution Rap rly coil ctrl Red Right trn sig lamp pwr Rr door ajar sw sig Rr turn sig lamps pwr Run/crnk voltage S304 Starting/charging system Tbc fuse 34 10a Turn/haz fr fuse 37 15a Turn/haz rr fuse 28 15a Underhood fuse block (left front side of engine compt) Windshield washer pmp ctrl Wiper mtr prk sw sig Wiper sw sig 2 Wiper/washer system Body Control Modules Wiring Diagram (2 of 2) for Chevrolet Colorado 2004 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Chevrolet Colorado 2004: 92 (2wd w/ traction ctrl) A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 Acc Accessory voltage Ambient light sens low ref Ambient light sens sig Anti-lock brakes system Anti-theft system Body control module (behind right kick panel) Cargo lamp sw sig Class 2 serial data Computer data lines system Courtesy lamp low ctrl Courtesy lamp pwr Dome override sw sig Exterior lights system Flash to pass sw sig Fog lamps enable Front fog lamps ind ctrl Hazard sw sig Headlamps dim sw hi beam sig Headlamps sw hi on sig Headlamps sw off sig Headlights system Horn rly ctrl Horns system Hot at all times I/p lamp dimmer sw sig I/p lamps dim ctrl Ign key resistor sig Ignition switch Int lamp sw sig Interior lights system Key-in switch Low ref Lr turn sig lamps pwr Off Off/run/crnk voltage Park lamps rly ctrl Red Rr turn sig lamps pwr Run Run/crnk voltage Security ind lamp Shift interlock system Shift sol pwr Start Tcs req ind ctrl Theft ohms Traction ctrl sw sig Turn sig sw sig Windshield washer pmp ctrl Wiper sw sig 1 Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Chevrolet Colorado 2004 List of elements for Computer Data Lines Wiring Diagram for Chevrolet Colorado 2004: 29 (center of dash) digital radio receiver (right side 2wd 4wd A38 A39 A41 A42 A44 A47 Aux fuse 2 20a Body control module (bcm) (lower center of dash) Class 2 serial data Data link connector (lower left side of dash) Electronic brake control module (inner left frame rail, beside transmission) G106 G300 (under driver seat) Hot at all times Inflatable restraint sensing & diagnostic module (beneath center console) Instrument panel cluster Of engine compt) Powertrain control module (right rear of engine compt) Radio S200 S201 Splice pack sp106 Transfer case shift control module (part of transfer case) Underhood fuse block (left front side of engine compt) Vehicle communication interface module (right side of dash)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Colorado 2004 List of elements for Cruise Control Wiring Diagram for Chevrolet Colorado 2004: 46 5 volt reference C204 Class 2 serial data Cluster fuse 38 10a Clutch switch (on pedal assembly) (if equipped) Coast Computer data lines system Cpp switch signal Cruise control set/coast & resume/accelerate sw signal Cruise control switch Cruise fuse 19 10a Cruise indicator E11 Electronic brake control module (on inner left frame rail) G105 (left side of engine compart) Hot at all times Hot in run or start Ignition Instrument panel cluster (ipc) Logic Low reference Pnk Powertrain control module (pcm) (right rear corner of engine) Resume/ accel Run/crank relay S100 (body harn, 14.5 cm from accelerator pedal position switch breakout) Set/ Stop fuse 1 20a Stop lamp switch (top of brake pedal) Tac motor control-1 Tac motor control-2 Tan Tcc brake switch/cruise control release signal Tcc brake switch/cruise control release signal c1 Tcc brake/ cruise release switch (above brake pedal assembly) Throttle actuator control (tac) motor Throttle body assembly Throttle position (tp) sens 1 Throttle position (tp) sens 2 Tp sensor 1 signal Tp sensor 2 signal Turn signal/multifunction switch Underhood fuse block (left front of engine compt) Vehicle speed sensor (vss) (on left rear transfer case) Vss high signal Vss low signal
ENGINE PERFORMANCE
2.8L 2.8L, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2004 List of elements for 2.8L, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2004: 60 (chassis harn, near fuel pump & sender assembly) (part of transfer case) transfer case shift control module 4wd lo sw A/c comp rly A/c press A/c refrigerant pressure sensor (right rear of engine compt) A/c system Accelerator pedal position (app) sensor (on accelerator bracket) Accy voltage App 1 App 1 +5v ref App 1 low ref App 2 App 2 +5v ref App 2 low ref App sens 1 App sens 2 Arp +5v ref Arp low ref Battery b+ Can vent fuse 69 10a Class 2 data Cluster fuse 38 10a Computer data lines system Cpp sw sig Cruise control system Cruise ctrls Diag enable E11 Evap vent sol Evaporative emission canister vent solenoid (front of fuel tank) Exterior lights system Ftp +5v ref Fuel lvl sens Fuel pump rly Fuel tank press Fuel tank pressure sensor (top left rear of fuel tank) Hot at all times Hot in run & start Ignition 1 Instrument panel cluster Low ref Malfunction indicator lamp (mil) Mil ctrl Pcm 1 fuse 25 10a Pcm b fuse 30 10a Pnk Pnp/clutch sig Powertrain control module (right rear corner of engine compt) S100 (body harn, near breakout to app sensor) S310 Starter rly Starting system Stop fuse 1 20a Stop lamp Stoplamp switch (above brake pedal assembly) Tan Tcc brk sw Underhood fuse block (left front side of engine compartment) Vehicle spd sig 2.8L, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2004 List of elements for 2.8L, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2004: 25 (2wd) (inner left frame rail, next to transmission) electronic brake control module Acc Accy input Accy output Body control module (bcm) (lower center of dash) Etc fuse 20 15a Fuel pmp fuse 13 15a Fuel pump & sender assembly (in fuel tank) Fuel pump relay G105 Heated oxygen sensor (ho2s) 1 (right side of engine, on exhaust manifold) Heated oxygen sensor (ho2s) 2 (in exhaust pipe, next to trans) Hot at all times Ignition switch Nca O2 sensor fuse 79 10a Off Pnk Power- train relay Run S401 Splice pack sp105 (left side of engine compt) Start Underhood fuse block (left front side of engine compartment) 2.8L, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2004 List of elements for 2.8L, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2004: 38 (2wd) (left rear of transfer case) vehicle speed sensor (vss) (right front of engine) engine oil pressure sensor 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Del torque Evap purge Fluid temp sensor Ho2s 2 hi Ho2s 2 htr Ho2s 2 low Low oil sw Low ref Oil press Park/neutral position switch (lower left side of transmission) Pc sol Pnk Powertrain control module (right rear corner of engine compt) Pressure control solenoid Red Req torque Rev Tan Tcc pwm sol Tcc sol Tfp sw a Tfp sw b Tfp sw c Tft sens Tr sw a Tr sw b Tr sw p Tr sw sig Vss sig hi Vss sig low 2.8L, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2004 List of elements for 2.8L, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2004: 26 B11 C11 Control D11 E11 Erls fuse 27 15a Evaporative emission canister purge solenoid (top of engine) F11 G102 (lower left side of dash) G103 (lower left side of dash) Ground Hot in run & start Iat Ign fuse 23 15a Ignition Ignition coils Injector fuse 22 15a Intake air temperature/ mass air flow sensor (top right of engine, in air intake duct) Maf Nca Plug Pnk Spark plug Tan Trans fuse 24 10a Underhood fuse block (left front side of engine compartment) 2.8L, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2004 List of elements for 2.8L, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2004: 58 (left rear of engine block, below starter) crankshaft position sensor (lower left side of dash) g103 (top right front of engine) camshaft position sensor (top right side of engine, on intake manifold) manifold absolute pressure sensor A11 B11 Camshaft position actuator solenoid (top right front of engine) Ckp low ref Ckp sig Cmp +12v ref Cmp low ref Cmp sig Cpa +5v ref Cpa low ref Ect low ref Ect sens Engine coolant temperature sensor (left rear of engine) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel injectors G102 (lower left side of dash) Gen field Gen turn-on Generator Ground Ho2s 1 high Ho2s 1 htr Ho2s 1 low Iat low ref Iat sens Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Knock sens Knock sensor (top left rear of engine) Ks low ref Maf sens Map +5v ref Map low ref Map sens Pnk Powertrain control module (right rear corner of engine compt) Red S104 Tac mtr 1 Tac mtr 2 Tan Throttle body Tp 1 +5v ref Tp 1 low ref Tp 2 +5v ref Tp 2 low ref Tp sens 1 Tp sens 2 Under- hood fuse block c2
3.5L 3.5L, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2004 List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2004: 60 (chassis harn, near fuel pump & sender assembly) (part of transfer case) transfer case shift control module 4wd lo sw A/c comp rly A/c press A/c refrigerant pressure sensor (right rear of engine compt) A/c system Accelerator pedal position (app) sensor (on accelerator bracket) Accy voltage App 1 App 1 +5v ref App 1 low ref App 2 App 2 +5v ref App 2 low ref App sens 1 App sens 2 Arp +5v ref Arp low ref Battery b+ Can vent fuse 69 10a Class 2 data Cluster fuse 38 10a Computer data lines system Cpp sw sig Cruise control system Cruise ctrls Diag enable E11 Evap vent sol Evaporative emission canister vent solenoid (front of fuel tank) Exterior lights system Ftp +5v ref Fuel lvl sens Fuel pump rly Fuel tank press Fuel tank pressure sensor (top left rear of fuel tank) Hot at all times Hot in run & start Ignition 1 Instrument panel cluster Low ref Malfunction indicator lamp (mil) Mil ctrl Pcm 1 fuse 25 10a Pcm b fuse 30 10a Pnk Pnp/clutch sig Powertrain control module (right rear corner of engine compt) S100 (body harn, near breakout to app sensor) S310 Starter rly Starting system Stop fuse 1 20a Stop lamp Stoplamp switch (above brake pedal assembly) Tan Tcc brk sw Underhood fuse block (left front side of engine compartment) Vehicle spd sig 3.5L, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2004 List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2004: 25 (2wd) (inner left frame rail, next to transmission) electronic brake control module Acc Accy input Accy output Body control module (bcm) (lower center of dash) Etc fuse 20 15a Fuel pmp fuse 13 15a Fuel pump & sender assembly (in fuel tank) Fuel pump relay G105 Heated oxygen sensor (ho2s) 1 (right side of engine, on exhaust manifold) Heated oxygen sensor (ho2s) 2 (in exhaust pipe, next to trans) Hot at all times Ignition switch Nca O2 sensor fuse 79 10a Off Pnk Power- train relay Run S401 Splice pack sp105 (left side of engine compt) Start Underhood fuse block (left front side of engine compartment) 3.5L, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2004 List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2004: 38 (2wd) (left rear of transfer case) vehicle speed sensor (vss) (right front of engine) engine oil pressure sensor 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Del torque Evap purge Fluid temp sensor Ho2s 2 hi Ho2s 2 htr Ho2s 2 low Low oil sw Low ref Oil press Park/neutral position switch (lower left side of transmission) Pc sol Pnk Powertrain control module (right rear corner of engine compt) Pressure control solenoid Red Req torque Rev Tan Tcc pwm sol Tcc sol Tfp sw a Tfp sw b Tfp sw c Tft sens Tr sw a Tr sw b Tr sw p Tr sw sig Vss sig hi Vss sig low 3.5L, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2004 List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2004: 26 B11 C11 Control D11 E11 Erls fuse 27 15a Evaporative emission canister purge solenoid (top of engine) F11 G102 (lower left side of dash) G103 (lower left side of dash) Ground Hot in run & start Iat Ign fuse 23 15a Ignition Ignition coils Injector fuse 22 15a Intake air temperature/ mass air flow sensor (top right of engine, in air intake duct) Maf Nca Plug Pnk Spark plug Tan Trans fuse 24 10a Underhood fuse block (left front side of engine compartment) 3.5L, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2004 List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2004: 67 (left rear of engine block, below starter) crankshaft position sensor (lower left side of dash) g103 (top left front of engine) camshaft position sensor 2 (top right front of engine) camshaft position sensor 1 (top right side of engine, on intake manifold) manifold absolute pressure sensor A11 B11 Camshaft position actuator solenoid (top right front of engine) Ckp low ref Ckp sig Cmp 1 sig Cmp 2 sig Cmp1 +12v ref Cmp1 low ref Cmp2 +12v ref Cmp2 low ref Cpa +5v ref Cpa low ref Ect low ref Ect sens Engine coolant temperature sensor (left rear of engine) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel injectors G102 (lower left side of dash) Gen field Gen turn-on Generator Ground Ho2s 1 high Ho2s 1 htr Ho2s 1 low Iat low ref Iat sens Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Knock sens 1 Knock sens 2 Knock sensor 1 (front of engine) Knock sensor 2 (rear of engine) Ks 1 low ref Ks 2 low ref Maf sens Map +5v ref Map low ref Map sens Pnk Powertrain control module (right rear corner of engine compt) Red S103 Tac mtr 1 Tac mtr 2 Tan Throttle body Tp 1 +5v ref Tp 1 low ref Tp 2 +5v ref Tp 2 low ref Tp sens 1 Tp sens 2 Under- hood fuse block c2
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Colorado 2004 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Colorado 2004: 23 (chassis harn, 75.5 cm before c402) s404 A/t Backup fuse 26 15a Backup lamp switch (on top of transmission) Exterior lamps circuit G105 (left side of engine compt) Hot at all times Hot in run and start Inside rearview mirror Left backup lamp Left tail lamp assembly M/t Nca Park/ neutral position switch (on lower left side of transmission) Pnk Right backup lamp Right tail lamp assembly Run/ crank relay 61 S401 Sp105 Under- hood fuse block Under- hood fuse block (on left front side of engine compt) W/ light sensitive rearview mirror Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Colorado 2004 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Colorado 2004: 43 A10 A19 A24 A45 A48 Auto Body control module (lower center of dash) Bulb out E11 Fr pk lp fuse 40 10a G105 (left side of engine compt) G106 (right side of engine compt) Haz sw sig Hazard switch Headlamp & panel dimmer switch Hot at all times Left Left cargo lamp Left center high mounted stop lamp Left front marker lamp Left front park/ turn signal lamp Low ref Off Park Park lamp relay 53 Prk lmp rly Prk lmp sw Right Right cargo lamp Right center high mounted stop lamp Right front marker lamp Right front park/ turn signal lamp S200 Sp105 Stop fuse 1 20a Stoplamp switch To rr pk lp 2 fuse 29 (diagram 2 0f 2) Trn sig sw Turn signal/ multi-function switch Turn/ haz fr fuse 37 15a Turn/ haz rr fuse 28 15a Under- hood fuse block Under- hood fuse block (on left front side of engine compt) Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Colorado 2004 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Colorado 2004: 31 (chassis harn, 13 cm from c401 & c402 breakout) s402 (license lamp harn, 44.5 cm before right license lamp) s900 A (not used) c401 Electronic brake control module (on inner left frame rail, beside transmission) From a fr pk lp fuse 40 (diagram 1 0f 2) G105 (left side of engine compt) Instrument panel cluster Left backup lamp Left license lamp Left rear stop lamp Left rear turn signal lamp Left tail lamp assembly Left turn ind Logic Nca Powertrain control module (right rear corner of engine compt) Right backup lamp Right license lamp Right rear stop lamp Right rear turn signal lamp Right tail lamp assembly Right turn ind Rr pk lp 2 fuse 29 10a Rr pk lp fuse 39 15a S400 S401 S403 (chassis harn, 14 cm from c401 & c402 breakout) S901 (license lamp harn, 24 cm from c400 breakout) Sp105 Stp lmp vlt Under- hood fuse block (on left front side of engine compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Colorado 2004 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Colorado 2004: 50 4wd A/c clutch diode A/c compressor clutch A/t A11 B11 Battery Beam sel relay 47 Brake fluid level switch C11 Crew cab w/ power window D11 Driver door lock & window switch E11 Electronic brake control module (ebcm) F11 Front axle actuator Fuel pump relay 51 G100 (next to rear side of battery) G101 (lower left side of eng) G102 (lower left side of eng) G103 (lower left side of eng) G104 (left side of engine) G105 (left side of eng compt) Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 (3.5l) Inside rearview mirror Intake air temperature (iat)/mass air flow (mas) sensor Left rear window switch Manual a/c Outside rearview mirror switch Park/ neutral position (pnp) switch Powertrain control module (pcm) Run/ crank relay 61 S500 (driver door harn, 5cm from left front door tweeter speaker breakout) Splice pack sp 105 To splice pack sp 105 (diagram 2 of 3) To splice pack sp 106 (diagram 2 of 3) Transfer case encoder motor Transfer case 2/4 wheel indicator switch Transfer case neutral switch Underhood fuse block W/ gps1 Wind- shield wiper motor Windshield washer fluid pump Wiper 2 relay 63 Wiper relay 57 Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Colorado 2004 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Colorado 2004: 57 C1 h Crew cab w/ power window Driver heated seat module Driver heater element seat cushion Driver heater seat module Driver lumbar adjuster/heater switch driver Driver seat adjuster switch Electronic brake control module (ebcm) Fog lamp relay From splice pack b sp 105 (diagram 1 of x) From splice pack sp 105 (diagram 1 of 3) From splice pack sp 106 (diagram 3 of 3) Front passenger door lock & window switch Fuel pump & secondary assembly G106 (right side of eng compt) Horn assembly Hvac control module Left backup lamp Left cargo lamp Left center high mounted stop lamp (chmsl) Left front fog lamp Left front marker lamp Left front park/turn signal lamp Left license lamp Left rear stop- lamp Left rear turn signal lamp Left tail lamp assembly Nca Passenger heater element seat back Passenger heater element seat cushion Passenger heater seat module Passenger lumbar adjuster/heater switch driver Passenger seat adjuster switch Right backup lamp Right center high mounted stop lamp (chmsl) Right front fog lamp Right front marker lamp Right front park/turn signal lamp Right license lamp Right rear stop- lamp Right rear turn signal lamp Right rear window w switch Right stop lamp (chmsl) Right tail lamp assembly S306 (driver seat harn, 5cm from c319 breakout) S314 (passenger seat harn, 5cm from c319 breakout) S317 (passenger heater element harn) S318 (passenger heater element harn) S321 (driver heater element harn) S322 (driver heater element harn) S901 (license lamp harn, 24cm from c400 breakout) Splice pack sp 105 Splice pack sp 106 Transfer case shift control module (4wd) Underhood fuse block W/ driver power seat W/ passenger power seat Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Colorado 2004 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Colorado 2004: 40 A/t shift lock control solenoid Accessory switch Auxiliary power outlet 1 Auxiliary power outlet 2 B10 Body control module (bcm) C1 a12 C1 b3 C204 Crew cab Data link connector (dlc) Digital radio receiver Driver door jamb switch Driver seat belt switch Evaporative temperature sensor From splice pack c sp 105 (diagram 3 of 3) Front passenger door jamb switch G300 (under driver seat) G301 (under front passenger seat) G302 (between front seat) Hazard switch Headlamp dimmer switch Hvac control module Inflatable restraint sensing & diagnostic module (sdm) Inside rear view mirror Instrument panel cluster (ipc) Left rear door jamb switch Manual a/c Nca Passenger seat belt switch Pnk Radio Right rear door jamb switch S200 (i/p harn, 6cm from instrument cluster breakout) S201 (i/p harn, 7cm from c204 breakout) Splice pack sp 106 Transfer case shift control switch Turn signal/ multifunction switch Vehicle communication interface module (vcim) W/ 4wd
HEADLIGHTS Headlights Wiring Diagram, with Quad Halogen Headlamps for Chevrolet Colorado 2004 List of elements for Headlights Wiring Diagram, with Quad Halogen Headlamps for Chevrolet Colorado 2004: 59 (left side of engine compt) A10 A18 A31 A37 A39 Ambient light sensor Ambient lt sens Auto Beam sel relay 47 Bm sel rly ctrl Body control module (lower center of dash) C10 C2 c1 Class 2 data Class 2 ser data Class 2 serial data Drl ind Flash to pass Fog lmp ind Fog lp fuse 15a Fog lp relay Fog lp rly ctrl Fog lp sw sig Front fog lamp ind Front fog lamp switch G105 G106 (right side of engine compt) Hdlp dim sw sig Hdlp off sig Hdlp on sig Hdlp relay Hdlp rly ctrl Headlamp & panel dimmer switch Headlamp dimmer switch High beam High beam ind Hot at all times Ign Instrument panel cluster Left front fog lamp Left high beam head- lamp Left low beam head- lamp Lh hdlp fuse 11 10a Low ref Off Park Park brake switch (above brake pedal assembly) Pk brake sig Pnk Red Rh hdlp fuse 12 10a Right front fog lamp Right high beam head- lamp Right low beam head- lamp S200 Sp105 Turn signal multifunction switch Underhood fuse block (left side of engine compt) Headlights Wiring Diagram, without Quad Halogen Headlamps for Chevrolet Colorado 2004 List of elements for Headlights Wiring Diagram, without Quad Halogen Headlamps for Chevrolet Colorado 2004: 57 (left side of engine compt) A10 A18 A31 A37 A39 Ambient light sensor Ambient lt sens Auto Beam sel relay 47 Bm sel rly ctrl Body control module (lower center of dash) C10 C2 c1 Class 2 data Class 2 ser data Class 2 serial data Drl ind Flash to pass Fog lmp ind Fog lp fuse 15a Fog lp relay Fog lp rly ctrl Fog lp sw sig Front fog lamp ind Front fog lamp switch G105 G106 (right side of engine compt) Hdlp dim sw sig Hdlp off sig Hdlp on sig Hdlp relay Hdlp rly ctrl Headlamp & panel dimmer switch Headlamp dimmer switch High beam High beam ind Hot at all times Ign Instrument panel cluster Left front fog lamp Left head- lamp Lh hdlp fuse 11 10a Low ref Off Park Park brake switch (above brake pedal assembly) Pk brake sig Pnk Red Rh hdlp fuse 12 10a Right front fog lamp Right head- lamp S200 Sp105 Turn signal multifunction switch Underhood fuse block (left side of engine compt)
HORN Horn Wiring Diagram for Chevrolet Colorado 2004 List of elements for Horn Wiring Diagram for Chevrolet Colorado 2004: 18 A25 A40 A5 c7 Body control module (bcm) (lower center of dash) F1 c1 G105 (left side of engine compt) Ground distribution system Horn assembly Horn fuse 35 10a Horn relay Horn rly ctrl Horn switch Hot at all times Inflatable restraint steering wheel module coil Logic Nca Sp105 Underhood fuse block (left front side of eng compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Colorado 2004 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Colorado 2004: 74 (chassis harness, 39 cm before fuel pump & sender assembly) (right rear corner of engine compt) powertrain control module (under driver's seat) g300 A19 A25 A31 A38 A39 A41 A42 A44 A45 A47 Abs Air bag Battery Belt sw Body control module (lower center of dash) Brake Brake fluid level switch (on brake fluid reservoir) Brk fluid lvl Chime Cluster fuse 38 10a Computer data lines system Coolant temperature Cruise Driver seat belt switch (at driver's seat belt latch) Driver's seat) Drl Ect sense Engine controls system Engine coolant temperature sensor (left rear of engine) Engine oil pressure sensor (right front of engine) Fuel Fuel level Fuel pump & sender assembly (top of fuel tank) G105 (left side G300 (under Ground High beam Hot at all times Illumination (8 bulbs) Instrument panel cluster L turn ind Left turn Low ref Mil Odometer Of engine compt) Oil Oil press Oil pressure Park brake switch (lower left end of dash) Pnk Prk brk sw Prnd321 R turn ind Right turn S201 S303 S310 Seat belt Security ind Security/c.t.d. Serial data Service engine soon Sp105 (left side of engine compt) Speedometer Tachometer Trip Trip reset Underhood fuse block (left front side of engine compt) Up shift (m/t) Volts
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Chevrolet Colorado 2004 List of elements for Courtesy Lamps Wiring Diagram for Chevrolet Colorado 2004: 64 A10 A11 A12 A13 A24 A30 A32 A38 A39 A40 A41 A44 A46 A47 Battery Body control module (bcm) (lower center of dash) C11 Cargo lamp switch Cargo lp sw Crew cab Dome lamp Dome lp sw Dome on switch Dome override switch Driver door jamb switch Driver door lock & window switch F11 Fr pk lp fuse 40 10a Front passenger door jamb switch Front passenger door lock & window switch G105 (left side of engine compt) G106 (right side of engine compt) G300 (under driver seat) G301 (under front passenger seat) Headlamp & panel dimmer switch Hot at all times Inside rearview mirror Left cargo lamp Left center high mounted stop lamp Left courtesy footwell lamp Left rear door jamb switch Left rear window switch Lf door ajar Low ref Lr door ajar Outside rearview mirror switch Override sw Pk lp ctrl Pk lp relay Rf door ajar Right cargo lamp Right center high mounted stop lamp Right courtesy footwell lamp Right rear door jamb switch Right rear window switch Rr door ajar S304 S500 Splice pack sp105 Splice pack sp106 Tbc fuse 34 10a Underhood fuse block (left front side of engine compt) W/ onstar W/o onstar Instrument Illumination Wiring Diagram for Chevrolet Colorado 2004 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Colorado 2004: 49 (4 bulbs) (5 bulbs) A10 A24 A28 A29 A35 A36 A39 A48 Accessory switch Auto Battery Body control module (bcm) (lower center of dash) C11 Computer data lines system Crew cab Dim control Driver door lock & window switch F11 Fr pk lp fuse 40 10a Front passenger door lock & window switch G105 (left side of engine compt) G106 (right side of engine compt) Hazard switch Headlamp & panel dimmer switch Hot at all times Hvac control module Illum Instrument panel cluster Instrument panel lamps dimming control Left rear window switch Logic Low ref Off Outside rearview mirror switch Park Parklamp sig Pk lp ctrl Pk lp relay Right rear window switch Rr pk lp 2 fuse 29 10a S200 S500 Serial data Splice pack sp105 Splice pack sp106 Tbc fuse 34 10a Underhood fuse block (left front side of engine compt)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Chevrolet Colorado 2004 List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Colorado 2004: 79 (body harn, 6cm from accelerator pedal position sensor breakout) A/c fuse 5 10a Abs 1 fuse 45 30a Abs 2 fuse 44 40a Aux fuse 2 20a Auxiliary power outlet B10 B11 Battery Blower fuse 41 30a Blower motor switch Body control module C204 C318 C319 Can vent fuse 69 10a Cigar fuse 33 20a Cluster fuse 38 10a Crew cab w/ power window Data link connector (dlc) Digital radio receiver (if equipped) Diode Door lock fuse 21 20a Driver door lock & window switch Driver door lock & window switch driver Driver heated seat module Driver lumbar adjuster/ heater switch E11 Electronic brake control module Evaporative emission (evap) canister vent solenoid F12 From a aux fuse 2 (diagram 1 of 4) From turn/ b haz rr fuse 28 (diagram 1 of 4) Front passenger door lock & window switch driver G106 (right side of eng compt) Generator Htd seat fuse 18 20a Hvac control module Ign 3 hvac relay Instrument panel cluster (ipc) Left rear door lock & window switch driver Maxi fuse 66 100a Nca Onstar fuse 31 10a Passenger heated seat module Passenger lumbar adjuster/ heater switch Pcm b fuse 30 10a Powertrain control module (pcm) Pwr/window fuse 42 30a Radio Radio fuse 32 15a Rap relay Red Regular extended cab w/ power window Right rear door lock & window switch driver S300 S301 S302 S313 (pass seat harn, 12.5cm from c318 breakout) S315 S319 Starter Stop fuse 1 20a Stop lamp switch Tbc fuse 10a Tccm fuse 36 10a To door lock fuse 21 (diagram 1 of 4) To powertrain relay 56 (diagram 2 of 4) To rap relay 58 (diagram 1 of 4) Transfer case shift control module (4wd) Turn signal/ multi- function switch Turn/ haz fr fuse 37 15a Turn/ haz rr fuse 28 15a Underhood fuse block Vehicle communication interface module (vcim) W/ 6-way power seat W/ gps 1 Windshield wiper/washer switch Wip/wash fuse 8 10a Power Distribution Wiring Diagram (2 of 4) for Chevrolet Colorado 2004 List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Colorado 2004: 58 (automatic transmission harn) s133 (not used) (w/ gps) (w/ outside display) 1-2 shift solenoid (1-2 ss valve) 2-3 shift solenoid (2-3 ss valve) 3-2 shift solenoid (3-2 ss valve) A/t Accessory switch Clutch switch (m/t) Cruise fuse 19 10a Driver lumbar adjuster/ heater switch Driver seat adjuster switch Etc fuse 20 15a From fuel d pump relay 51 (diagram 2 of 4) From rap c relay 58 (diagram 1 of 4) Fuel pump & sender assembly Fuel pump fuse 13 15a Fuel pump relay G105 (left side of engine compt) Hdlp relay Heated oxygen sensor (ho2s) Hologen headlamps Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror Left headlamp Left high beam headlamp Left low beam headlamp Lh hdlp fuse 11 10a Nca O2 sensor fuse 79 10a Passenger seat adjuster switch Pnk Powertrain control module Powertrain control module (pcm) Powertrain relay Pwr/seat fuse 46 40a Red Rh hdlp fuse 12 10a Right headlamp Right high beam headlamp Right low beam headlamp Run/ crank relay S312 Seat fuse holder 20a Sir fuse 17 10a Sp105 Tcc brake/ cruise release switch To backup fuse 26 (diagram 3 of 4) To park lp relay 53 (diagram 4 of 4) To run/ crank relay 61 (diagram 2 of 4) Torque converter clutch (tcc) solenoid valve Torque converter clutch pulse width module (tcc pwm) solenoid valve Trans fuse 24 10a Transfer case shift control module Turn signal/ multifuction switch Underhood fuse block Without hologen headlamps Power Distribution Wiring Diagram (3 of 4) for Chevrolet Colorado 2004 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Colorado 2004: 42 (fuel injector harn, 4cm from fuel injector 4) s104 (fuel injector harn, 5cm from fuel injector 4) s103 2.8l 3.5l 4wd A/c comp relay A/t Abs fuse 16 10a Backup lamp switch Bakup fuse 26 15a C2 b2 C2 c3 C2 d5 C2 e5 C2 f4 C7 f3 Clutch start switch Electronic brake control module (ebcm) Erls fuse 27 15a Evaporative emission (evap) canister purge solenoid From ign g fuse 23 (diagram 2 of 4) From tran e fuse 24 (diagram 2 of 4) Front axle actuator Frt ax fuse 15 15a Fuel injector G sensor Ign fuse 23 15a Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Injector fuse 22 15a Intake air temperature (iat)/mass air flow (maf) sensor M/t Park/ neutral position (pnp) switch Pcm i fuse 25 10a Pnk Powertrain control module (pcm) To erls fuse 27 (diagram 1 of 4) Under- hood fuse block Underhood fuse block Power Distribution Wiring Diagram (4 of 4) for Chevrolet Colorado 2004 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Colorado 2004: 55 A/c comp fuse 77 10a A/c comp relay Acc Accessory switch Accessory voltage Body control module (bcm) C1 a48 C1 b6 C1 b7 C11 C2 a14 C2 a42 C2 b7 C2 b8 C2 c C6 e3 Crew cap w/ power window Driver door lock & window switch F11 Fr pk lp fuse 40 10a From f run/ crank relay 61 (diagram 2 of 4) Front passenger door lock & window switch Ign trans d fuse 10 10a Ignition key resistor signal Ignition switch Key-in switch Left front marker lamp Left front park/turn signal lamp Left license lamp Left rear door lock & window switch Left rear stop lamp Left rear turn signal lamp Left tail lamp assembly Off Off/run/ crank voltage Outside rearview mirror switch Park lp relay Powertrain control module (pcm) Right front marker lamp Right front park/turn signal lamp Right license lamp Right rear door lock & window switch Right rear stop lamp Right rear turn signal lamp Right tail lamp assembly Rr pk lp fuse 39 15a Rr pk lp2 fuse 29 10a Run Run/ crank relay Run/ crank voltage S400 S900 Start Under- hood fuse block Underhood fuse block
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Chevrolet Colorado 2004 List of elements for Power Door Locks Wiring Diagram for Chevrolet Colorado 2004: 53 (body harn, 17 cm from breakout to accelerator pedal position switch) (not used) A11 A12 A38 A39 A41 A42 A44 A47 All doors lock ctrl All doors unlock ctrl Battery + Body control module (bcm) (lower center of dash) C7 b3 Class 2 serial data Computer data lines system Door lock fuse 21 20a Door unlock Door unlock ctrl Driver door lock & window switch Driver door lock actuator Driver door unlock ctrl Driver unlock relay F5 c6 Front passenger door lock & window switch Front passenger door lock actuator G106 G301 (under front passenger seat) Ground Hot at all times Left rear door lock actuator (crew cab) Lock relay Lock sw Lock switch Pass door lock ctrl Right rear door lock actuator (crew cab) S304 S308 S309 S500 Splice pack sp105 (left side of engine compt) Splice pack sp106 (right side of engine compt) Tan Tbc fuse 34 10a Turn/ haz fr fuse 37 15a Turn/ haz rr fuse 28 15a Underhood fuse block (left front side of engine compt) Unlock relay Unlock sw Unlock switch W/ crew cab W/o crew cab
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Chevrolet Colorado 2004 List of elements for Automatic Day/Night Mirror Wiring Diagram for Chevrolet Colorado 2004: 18 (not used) Ambient air temperature sensor B5 c6 Back up lamp voltage Courtesy lamps voltage Cruise fuse 19 10a Exterior lights system G300 (under driver seat) Ground Hot in run and start Ign 1 Inside rearview mirror Interior lights system Low ref Pnk S303 Sens sig Underhood fuse block (left front side of engine compt) Power Mirrors Wiring Diagram for Chevrolet Colorado 2004 List of elements for Power Mirrors Wiring Diagram for Chevrolet Colorado 2004: 16 A29 Body control module (lower center of dash) Crtsy lmps pwr Driver outside rearview mirror Front passenger outside rearview mirror G105 (left side of engine compt) Horiz Hot at all times Left Nca Outside rearview mirror switch Right S500 Tbc fuse 34 10a Underhood fuse block (left front side of engine compt) Vert
POWER SEATS Driver Heated Seat Wiring Diagram for Chevrolet Colorado 2004 List of elements for Driver Heated Seat Wiring Diagram for Chevrolet Colorado 2004: 36 (driver heater element harn) 2.5k ohms 4.9k ohms A/c fuse 5 10a A26 A5 c6 B nca Body control module (lower center of dash) C nca Driver heated seat module Driver lumbar adjuster/ heater switch Driver seat back heater element Driver seat cushion heater element E nca E9 c7 F10 c7 G106 (right side of engine compt) Gnd High High/low status ind bulb Hot at all times Htd/seat fuse 18 20a Ign 3 hvac relay Ign 3 voltage Low Nca Pnk Red S300 S301 S306 S315 S320 S321 (driver heater element harn) S322 Underhood fuse block (left front side of engine compt) Driver Power Seat Wiring Diagram for Chevrolet Colorado 2004 List of elements for Driver Power Seat Wiring Diagram for Chevrolet Colorado 2004: 17 20a Driver seat adjuster switch Driver seat motors Front vertical Fwd G106 (right side of engine compt) Hot at all times M horiz- ontal Pwr/seat fuse 46 40a Rear vertical Recliner motor Rwd S306 S312 Seat fuse holder Tan Underhood fuse block Lumbar Wiring Diagram for Chevrolet Colorado 2004 List of elements for Lumbar Wiring Diagram for Chevrolet Colorado 2004: 18 20a Driver lumbar adjuster/ heater switch Driver lumbar pump motor G106 (right side of engine compt) Hot at all times Htd seat fuse 18 20a Nca Out Passenger lumbar adjuster/ heater switch Passenger lumbar pump motor Pnk Pwr/seat fuse 46 40a S306 S312 S313 S314 Seat fuse holder Underhood fuse block Passenger Power Seat Wiring Diagram for Chevrolet Colorado 2004 List of elements for Passenger Power Seat Wiring Diagram for Chevrolet Colorado 2004: 16 20a Driver seat motors Front vertical Fwd G106 (right side of engine compt) Horiz- ontal Hot at all times Passenger seat adjuster switch Pwr/seat fuse 46 40a Rear vertical Rwd S312 S314 Seat fuse holder Tan Underhood fuse block Passenger"s Heated Seat Wiring Diagram for Chevrolet Colorado 2004 List of elements for Passenger"s Heated Seat Wiring Diagram for Chevrolet Colorado 2004: 36 (passenger heater element harn) (passenger heater element harn) s319 2.5k ohms 4.9k ohms A/c fuse 5 10a A26 A5 c6 B nca Body control module (lower center of dash) C nca E nca E9 c7 F10 c7 G106 (right side of engine compt) Gnd High High/low status ind bulb Hot at all times Htd/seat fuse 18 20a Ign 3 hvac relay Ign 3 voltage Low Nca Passenger heated seat module Passenger lumbar adjuster/ heater switch Passenger seat back heater element Passenger seat cushion heater element Pnk Red S300 S301 S314 S316 S317 (passenger heater element harn) S318 Underhood fuse block (left front side of engine compt)
POWER WINDOWS Power Windows Wiring Diagram, 2 Door for Chevrolet Colorado 2004 List of elements for Power Windows Wiring Diagram, 2 Door for Chevrolet Colorado 2004: 24 (in body harness, 4 cm from accel- erator pedal position switch breakout) (near accel pedal) s307 C4 a C6 f5 Door lock fuse 21 20a Driver door lock & window switch Driver window motor (in driver's door) Dwn Dwn relay Front passenger door & window switch Front passenger window motor (in driver's door) G105 (left side of engine compart) G106 (right of engine compart) Hot at all times Hot w/ rap relay energized Logic Pwr/ window fuse 42 30a Rf down Rf up S302 Tan Underhood fuse block (on left front side of engine compartment) Up relay W/l Power Windows Wiring Diagram, 4 Door for Chevrolet Colorado 2004 List of elements for Power Windows Wiring Diagram, 4 Door for Chevrolet Colorado 2004: 32 (body harn, 4 cm from accelerator pedal position switch breakout) s307 (in body harness, 4 cm from accel- erator pedal position switch breakout) s302 C4 a C6 f5 Door lock fuse 21 20a Driver door lock & window switch Driver window motor (in driver's door) Dwn Dwn relay Front passenger door Front passenger window motor (in driver's door) G105 (left side of engine compartment) G106 (right side of engine compartment) Hot at all times Hot w/ rap relay energized Left rear window motor (in left rear door) Lock & window switch Logic Lr down Lr up Lr window switch Pwr/ window fuse 42 30a Rf down Rf up Right rear window motor (in right rear door) Rr down Rr up Rr window switch Tan Underhood fuse block (on left front side of engine compartment) Up relay W/l
RADIO Radio Wiring Diagram for Chevrolet Colorado 2004 List of elements for Radio Wiring Diagram for Chevrolet Colorado 2004: 42 A10 A11 A12 Antenna B10 B11 B12 Bare Coax Common sig Computer data lines system Digital radio antenna Digital radio receiver (center of dash) Drain wire G300 (under driver seat) Ground Hot at all times Left aud sig Lf door speaker Lf door tweeter speaker Lf out + Lf out - Lr door speaker Lr out + Lr out - Navigation system Nca Radio Radio fuse 32 15a Rf door speaker Rf door tweeter speaker Rf out + Rf out - Right aud sig Rr door speaker Rr out + Rr out - S303 Satellite in Serial data Tan Underhood fuse block (left front side of engine compartment)
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Chevrolet Colorado 2004 List of elements for Shift Interlock Wiring Diagram for Chevrolet Colorado 2004: 13 A/t shift lock control solenoid (under center console, left of shifter) A31 c2 B2 c7 Body control module (lower center of dash) Btsi C1 a7 G106 (right side of engine compt) Hot at all times Logic S200 Splice pack sp106 Tbc fuse 34 10a Underhood fuse block (left front side of engine compt)
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Colorado 2004 List of elements for Charging Wiring Diagram for Chevrolet Colorado 2004: 20 (right rear corner of engine compt) powertrain control module (pcm) B+ s Battery Class 2 data Class 2 serial data Computer data lines system Field duty cycle sig G100 (next to G104 (left side of engine) Generator Generator on signal Instrument panel cluster (ipc) Logic Maxi fuse fuse 66 100a Not used Rear side of battery) Red Starter solenoid Underhood fuse block (on left front side of engine compt) Volts Starting Wiring Diagram, A/T for Chevrolet Colorado 2004 List of elements for Starting Wiring Diagram, A/T for Chevrolet Colorado 2004: 32 Acc Battery Body control module (bcm) (behind right kick panel) C1 b6 C2 b8 C2 d2 C2 e2 C6 f3 C7 c3 C7 d1 G100 (next to rear side of battery) G104 (left side of engine) G105 Ign fuse 23 15a Ign trans d fuse 10 10a Ignition switch Lock Park/neutral position (pnp) switch (lower left side of transmission) Pnk Pnp start switch sig Power distribution system Powertrain control module (pcm) (right rear corner of engine compartment) Red Run Run/crank relay 61 Sp105 (left side of engine compt) Start Start fuse 43 30a Start relay 62 Starter enable relay ctrl Starter solenoid Underhood fuse block (at left side of eng compt) Starting Wiring Diagram, M/T for Chevrolet Colorado 2004 List of elements for Starting Wiring Diagram, M/T for Chevrolet Colorado 2004: 33 (not used) Acc Battery Body control module (bcm) (behind right kick panel) C1 b6 C2 b8 C2 d2 C2 e2 C6 f3 C7 c3 C7 d1 C7 e6 Clutch start switch (top of clutch pedal assembly) G100 (next to rear side of battery) G104 (left side of engine) G105 Ign fuse 23 15a Ign trans d fuse 10 10a Ignition switch Lock Pnk Pnp start switch sig Powertrain control module (pcm) (right rear corner of engine compartment) Red Run Run/crank relay 61 Sp105 (left side of engine compt) Start Start fuse 43 30a Start relay 62 Starter enable relay ctrl Starter solenoid Underhood fuse block (at left side of eng compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Colorado 2004 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Colorado 2004: 34 Accessory switch Computer data lines system Control Cruise fuse 19 10a Disbl sw signal G302 (under center console) Ground High control Hot in run or start Hot with park lamp relay energized Ignition 1 Inflatable restraint i/p module Inflatable restraint sensing/diagnostic module (beneath lower console) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Left front seat belt pretensioner Low control Low reference Nca Off Pnk Red Right front seat belt pretensioner Rr pk lp2 fuse 29 10a Serial data Shorting bar Signal Sir fuse 17 10a Stage 1 Stage 2 Tan Twisted wires Underhood fuse block Voltage Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Colorado 2004 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Colorado 2004: 22 A32 A39 A42 Air bag Body control module (right front kick panel) Data link connector (lower left side of dash) Instrument panel cluster Ipc class 2 serial data Left inflatable restraint front end sensor (on left underside of front frame crossmember) Left inflatable restraint roof rail module (in roof above front driver door) Left inflatable restraint side impact sensor (inside driver door) Left seat position switch (in driver seat track) Nca Right inflatable restraint front end sensor (on right underside of front frame crossmember) Right inflatable restraint roof rail module (in roof above front passenger door) Right inflatable restraint side impact sensor (inside passenger door) Right seat position switch (in passenger seat track) S311 (body harn, approximately 24.5 cm (9.8 in) from breakout to g302 away from c313) Shorting bar Shorting clip Tan Twisted wires
TRANSMISSION A/T Wiring Diagram for Chevrolet Colorado 2004 List of elements for A/T Wiring Diagram for Chevrolet Colorado 2004: 53 (above brake pedal assembly) tcc brake cruise release switch 1-2 shift solenoid valve 2-3 shift solenoid valve 3-2 shift solenoid valve assembly 5v ref Accelerator pedal position (app) sensor (on accelerator bracket) App sens 1 sig App sens 2 sig Automatic transmission Automatic transmission fluid pressure manual valve position switch Automatic transmission fluid temperature sensor B3 c6 C11 C2 b11 C2 c2 Cruise fuse 19 10a Ect sens sig Engine coolant temperature sensor (on left rear of engine) F3 c6 G102 (lower left side of eng) G105 Hot at all times Hot in run or start Low ref Park/neutral position (pnp) switch (on lower left side of trans) Pc vlv hi ctrl Pnk Powertrain control module (behind right front fender) Pressure control solenoid valve Prndl a Prndl b Prndl c Prndl p Red Release sig Rev Run/crank relay 61 S133 Sol vlv ctrl Sp105 (left side of eng compt) Sw sig a Sw sig b Sw sig c Tan Tft sens sig Torque converter clutch pulse width modulation solenoid valve Torque converter clutch solenoid valve Trans fuse 24 10a Underhood fuse block (left front side of eng compt) Vehicle speed sensor (left rear of transfer case) Vlv low ctrl Vss hi Vss lo Transfer Case Wiring Diagram for Chevrolet Colorado 2004 List of elements for Transfer Case Wiring Diagram for Chevrolet Colorado 2004: 70 2-hi ind 2wd 2wd ind 2wd/4wd sig 4-hi ind 4-lo ind 4-lo sw sig 4hi 4hi ind 4lo 4lo ind 5v ref A encoder sig Accessory switch Axle act ctrl Axle sw sig B encoder sig B2 c2 Bat Body control module Body control module bcm) (lower center of dash) C encoder sig C1 a24 C2 f11 C6 f1 Computer data lines system Cruise fuse 19 10a Front axle actuator (right center of front axle housing) Frt ax fuse 19 10a G103 (lower left side of engine) G105 G106 Grd Hot at all times Hot in run or start Ign 1 voltage Inside rear- view mirror Interior lights system Logic Mtr ctrl a Mtr ctrl b Nca Neu ind ctrl Neu sw sig Neutral Neutral ind P encoder sig Park lp relay 53 Pnk Powertrain control module (pcm) (right rear corner of engine compt) Red Rr pk lp2 fuse 29 10a Run/crank relay 61 S200 Serial data Sig hi Sig lo Sp105 (left side of engine compt) Sp106 (right side of eng compt) Sw sig Sw sig-low Tan Tccm fuse 36 10a Transfer case 2/4 wheel indicator switch Transfer case encoder motor Transfer case neutral switch Transfer case shift control module (part of transfer case) Turn signal/ multifunction switch Underhood fuse block (left front side of eng compt) Vehicle speed sensor (left rear of transfer case)
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Colorado 2004 List of elements for Warning Systems Wiring Diagram for Chevrolet Colorado 2004: 46 A10 A14 A25 A32 A38 A39 A44 Auto Body control module (bcm) (lower center of dash) C3 c7 Chime Class 2 serial data Computer data lines system Driver door jamb switch Driver seat belt switch G300 (under driver seat) G301 (under front pass seat) Headlamp & panel dimmer switch Hot at all times Ign trans d fuse 10 10a Ignition switch Instrument panel cluster (ipc) Key-in switch Left rear door jamb switch (crew cab) Left seat belt switch Left turn ind Lf dr ajar sw sig Logic Low ref Lr dr ajar sw sig Lr turn sig lmps pwr Nca Off Off/run/crank voltage Park Passenger door jamb switch Pk lmp sw sig Rf dr ajar sw sig Right rear door jamb switch (crew cab) Right turn ind Rr dr ajar sw sig Rr turn sig lmps pwr S303 S304 Seat belt ind Underhood fuse block (left front side of engine compt)
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Colorado 2004 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Colorado 2004: 36 0.75k 1.02k 1.4k 1.78k 1.87k 2.61k A20 B10 Body control module (lower center of dash) C204 F12 G105 (left side of eng compt) Hi in Hot at all times Lo in Mist Nca Off Park out Pulse Rap relay 58 Rap relay coil control Red Splice pack sp105 Turn signal multifunction switch Underhood fuse block (on left front side of eng compt) Underhood fuse block (on left side of engine compt) Windshield washer fluid pump Windshield wiper/ washer switch Windshield/ washer pump control windshield/ washer pump control Windshield/ wiper motor (left rear of eng compt) Windshield/ wiper motor park switch signal Windshield/ wiper switch signal 1 windshield/ wiper switch signal 2 Wip/ washer fuse 8 10a Wiper 2 relay Wiper relay
