Diagram sections — 26 (55 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 TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Compressor Wiring Diagram for Chevrolet Colorado 2008 List of elements for Compressor Wiring Diagram for Chevrolet Colorado 2008: 38 4.3l 4.8l, 5.3l & 6.0l 5v ref 6.6l A/c cmprsr fuse 57 15a A/c compressor clutch (4.3l: at left front of engine) (4.8l, 5.3l & 6.0l: at lower right front of engine) (6.6l: top front of engine) A/c comprsr relay 74 A/c low pressure switch (on side of accumulator) A/c refrigerant pressure sensor A/c request sig Bi-lev Body control module (bcm) (behind lower right side of dash) Body fuse block (under left front seat) Clutch rly ctrl Computer data lines system Def Engine control module (ecm) (left side of engine compt) G102 (6.6l: left front lower side of the engine block) (except 6.6l: on left rear of engine) G304 (behind right kick panel) Gmlan (+) Gmlan (-) Heat Heat/def Hot at all times Hot in run Hvac 2 fuse 1 10a Hvac control assembly J102 J249 Logic Low ref Max norm Off Press sens Tan Underhood fuse block (on left side of engine compt) Vent W/ electric rear window defogger & power mirrors Manual A/C Wiring Diagram for Chevrolet Colorado 2008 List of elements for Manual A/C Wiring Diagram for Chevrolet Colorado 2008: 58 (hvac harness, 14 cm from recirculation actuator breakout toward blower motor resistor assembly) j202 (i/p harness, 6 cm from instrument cluster breakout) 5v ref A/c clutch 65 diode A/c cmprsr fuse 10a A/c compressor clutch (left front of engine) A/c fuse 10a A/c refrigerant pressure sensor (right rear of engine compt) A/c relay A/c req sig A26 A42 A43 A47 B x4 Blower motor (below right side of dash) Blower motor resistor assembly (lower right side of dash, near blower motor) Blower motor switch Blwr fuse 30a Body control module (bcm) (behind right kick panel) Computer data lines system Dimmer sw sig Dr ctrl a Dr ctrl b Engine control module (ecm) (right rear of engine compt) Engine coolant temperature (ect) sensor (on left rear of engine) Evaporator temperature sensor (lower right side of dash) F10 x7 G103 (lower left side of engine) G106 Gnd High Hot at all times Hot in run or start Hvac control module Ign 3 hvac relay Ign 3 voltage Ign fuse 15a Ign voltage Interior lights system J200 Jx106 (right side of engine compt) Logic Low Low ref Nca Off Off blwr mtr ctrl Power distribution system Press sens sig Recirculation actuator (right side of dash) Rly ctrl Sens sig Serial data Tan Underhood fuse block (left front side of engine compt) X2 f11 X7 f5
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Chevrolet Colorado 2008 List of elements for Anti-lock Brakes Wiring Diagram for Chevrolet Colorado 2008: 62 2wd A11 x7 A17 A26 A31 A39 A45 Abs 1 fuse 30a Abs 2 fuse 40a Abs fuse 10a Abs ind Accessory switch B x5 Body control module (bcm) (behind right kick panel) Brake fluid level switch (on brake fluid reservoir) Brake fluid lvl sens sig Brake ind Class 2 serial data Computer data lines system Del torque sig (nw7) Delivered torque signal Driver info center Electronic brake control module (ebcm) (on inner left frame rail, beside transmission) Engine control module (ecm) (right rear of engine compt) G105 G106 Gnd Hot at all times Hot in run or start Ign Ign voltage Instrument panel cluster (ipc) Interior lights system J100 (body harness, 14.5 cm from accelerator pedal position switch breakout) J200 Jx105 (left side of engine compt) Jx106 (right side of engine compt) Left front wheel speed sensor (wss) (on left front hub) Lf whl spd control Lf whl spd sens sig Lng rate sig (4wd) Logic Longitudinal accelerometer sensor (4wd) (under driver seat, below carpet) Low ref (4wd Park brake switch (lower left end of dash) Park brk sw sig Pnk Red Req torque sig (nw7) Requested torque signal Rf whl spd control Rf whl spd sens sig Right front wheel speed sensor (wss) (on right front hub) Stability caution ind Stop fuse 20a Stop lamp switch (above brake pedal assembly) Stop lmp control Tan Tcs req indicator ctrl Trac ctrl sw sig Underhood fuse block (left front side of engine compt) Vss
ANTI-THEFT Anti-theft Wiring Diagram for Chevrolet Colorado 2008 List of elements for Anti-theft Wiring Diagram for Chevrolet Colorado 2008: 67 (top of engine, attached to fuel rail) 2.9l 3.7l A14 A19 A2 x6 A24 A32 A38 A39 A40 A42 A44 A47 Acc B3 x7 Battery + Body control module (bcm) (behind right kick panel) Class 2 data Class 2 serial data Cluster fuse 10a Crew cab Data link connector (dlc) (lower left side of dash) Driver door jamb switch (in left "b" pillar) Engine control module (ecm) (right rear of engine compt) Exterior lights system Front passenger door jamb switch (in right "b" pillar) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel injector Fuel injector (3.7l) G300 (under driver seat carpet) G301 (under front passenger seat carpet) Ground Horn rly ctrl Horns system Hot at all times Hot in run & start Ign key resistor sig Ign volt Ignition switch Inj fuse 15a Instrument panel cluster (ipc) J104 J303 Key-in switch Left rear door jamb switch (in left "c" pillar) Lf door ajar Lr door ajar Off Park lamp rly ctrl Pnk Rf door ajar Right rear door jamb switch (in right "c" pillar) Rr door ajar Run Security ind Start Tbc fuse 10a Theft resistor Trn/hazrd rear fuse 15a Turn/ hazrd frt fuse 15a Underhood fuse block (left front side of engine compt) X2 f4
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for Chevrolet Colorado 2008 List of elements for Body Control Modules Wiring Diagram (1 of 2) for Chevrolet Colorado 2008: 93 (under front passenger seat carpet) g301 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 lamps 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 J304 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 system Rap rly coil ctrl Red Right trn sig lamp pwr Rr door ajar sw sig Rr turn sig lamps pwr Run/crnk voltage Starting/charging system Tbc fuse 10a Trn/hazrd frt fuse 15a Trn/hazrd rear fuse 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 2008 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Chevrolet Colorado 2008: 90 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 lamps 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/crank voltage Security ind lamp Shift interlock system Shift sol pwr Start Tcs req ind ctrl 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 2008 List of elements for Computer Data Lines Wiring Diagram for Chevrolet Colorado 2008: 42 (right side of engine compt) jx106 (under driver seat carpet) g300 2wd 4wd A/t A38 A39 A41 A42 A44 A47 Aux pwr 1 fuse 20a Body control module (bcm) (behind right kick panel) Class 2 serial data Class 2 serial data x1 Data bus + Data bus - Data link connector (dlc) (lower left side of dash) Data link resistor Digital radio receiver (center of dash) Electronic brake control module (ebcm) (on inner left frame rail, beside transmission) Engine control module (ecm) (right rear of engine compt) G106 Generator battery control module (left front of engine compt, near battery) Hot at all times If equipped Inflatable restraint sensing & diagnostic module (beneath center console) Instrument panel cluster (ipc) J200 J201 M/t Power distribution system Radio Serial data + Serial data - Tan Transfer case shift control module (under driver seat carpet) Transmission control module (tcm) Underhood fuse block (left front side of engine compt) Vehicle communication interface module (vcim) (right side of dash) W/ onstar W/o onstar
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Colorado 2008 List of elements for Cruise Control Wiring Diagram for Chevrolet Colorado 2008: 55 (above brake pedal assembly) stop lamp switch (body harness, 14.5 cm from accelerator pedal position switch breakout) j100 5-volt reference A/t A11 Accelerator pedal position (app) sensor (on accelerator bracket) App sensor 1 signal App sensor 2 signal Class 2 serial data Cluster fuse 10a Clutch pedal position (cpp) sensor (m/t) Coast Computer data lines system Cruise Cruise control release signal Cruise control release switch (above brake pedal assembly) Cruise control switch Cruise control switch signal Cruise fuse 10a Cruise indicator Engine control module (ecm) (right rear of engine compartment) G105 Hot at all times Hot in run or start Ignition Instrument panel cluster (ipc) Jx105 (left side of engine compt) Logic Low reference M/t Pnk Power distribution system Resume/ accel Run/crank relay Sens sig Serial data + Serial data - Set/ Stop fuse 20a Stop lamp control Switch Tac motor control-1 Tac motor control-2 Tan Throttle body (on intake, near map sensor) Tp sensor 1 signal Tp sensor 2 signal Transmission control module Turn signal/multi-function switch Underhood fuse block (left front side of engine compartment) Vehicle speed sensor (vss) (2wd: left rear of transmission) (4wd: on left rear of transfer case) Vss high sig Vss high signal Vss low sig Vss low signal
ENGINE PERFORMANCE
2.9L VIN 9 2.9L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2008 List of elements for 2.9L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2008: 46 (chassis harness, 39 cm before fuel pump & sender assembly) j310 4wd low signal 5v reference A/c compressor clutch rly ctrl A11 Acc Accelerator pedal position (app) sensor (on accelerator bracket) Accy volt Air conditioning system Air solenoid relay ctrl Anti-lock brakes system App sensor 1 signal App sensor 2 signal Battery positive voltage Body control module (bcm) (behind right kick panel) Class 2 serial data Cnstr vent fuse 10a Computer data lines system Cruise control release signal Cruise control switch signal Cruise control system Engine control module (ecm) (right rear of engine compt) Evap canister vent sol ctrl Fuel level sensor signal Fuel pump relay control Fuel tank pressure (ftp) sensor (at top left rear of fuel tank) Fuel tank pressure sensor signal Hot at all times Ignition switch Ignition voltage Low reference Mil control Off Pnk Powertrain relay control Run Start Starter enable relay control Starting/charging system Stop fuse 20a Stop lamp control Stop lamp switch (above brake pedal assembly) Tan Transmissions system Underhood fuse block (left front side of engine compt) Vehicle speed signal 2.9L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2008 List of elements for 2.9L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2008: 38 (in engine harness, 24 cm before generator battery control module breakout) j105 A red Air pump fuse 50a Air pump relay Clstr fuse 10a Computer Data lines Ecm-b fuse 10a Etc fuse 15a Evaporative emission (evap) canister vent solenoid valve (on side of evap canister, above spare tire) F11 Fuel pump & sender assembly (top of fuel tank) Fuel pump relay Fuel/pump fuse 15a G101 (lower left side of engine) G103 (lower left side of engine) G105 Hot at all times Ign Ind up shift Instrument panel cluster (ipc) J401 Jx105 (left side of engine compt) Logic Mil ind Nca O2 snsr fuse 15a Pnk Pnk pnk Pwr/trn relay Red Secondary air injection (air) pump Secondary air injection (air) pump fuse block (if equipped) Secondary air injection (air) pump relay Secondary air injection (air) pump solenoid (if equipped) (upper right side of engine) Serial data System Underhood fuse block (left front side of engine compt) 2.9L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2008 List of elements for 2.9L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2008: 32 (on top left of valve cover) ignition coil 1 (on top left of valve cover) ignition coil 3 (on top right of valve cover) ignition coil 2 (on top right of valve cover) ignition coil 4 (top of engine, attached to fuel rail) fuel injectors 5v reference A pnk Air conditioning system Air relay control Anti-lock brakes system Computer data lines system Delivered torque Duty cycle signal Engine control module (ecm) (right rear of engine compt) Evap canister purge solenoid control Generator Generator field High speed gmlan J104 Low reference Nca Pnk Pnp/clutch Regulator ctrl Requested torque Serial data bus + Serial data bus - Signal Spark plug Start sw sig Starting/charging system Tan 2.9L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2008 List of elements for 2.9L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2008: 31 (lower left side of engine) g103 (on intake, near map sensor) throttle body A/c refrigerant Air conditioning system Air inj reaction Clutch pedal pos sig Clutch pedal position (cpp) sensor D11 E11 Ect sensor signal Engine control module (ecm) (right rear of engine compt) Engine coolant temperature (ect) sensor (on left rear of engine) Erls fuse 15a Evaporative emission (evap) canister purge solenoid valve (left side of engine, below intake) F11 Hot w/ run/crnk relay energized Ign fuse 15a Inj fuse 15a Instrument cluster system Manifold absolute pressure (map) sensor (top left side of engine, on intake manifold) Map sensor signal Nca Oil press sw sig Pcm-i fuse 10a Pnk Press sens sig Tan Underhood fuse block (left front side of engine compt) Vehicle speed sensor (vss) (2wd: left rear of transmission) (4wd: on left rear of transfer case) Vss high signal Vss low signal 2.9L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2008 List of elements for 2.9L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2008: 47 (in engine harness, 24 cm before generator battery control module breakout) j105 (lower left side of engine) g102 5v reference A11 B11 C11 Camshaft position (cmp) actuator solenoid bank 1 exhaust (on top right b Camshaft position (cmp) sensor (top right front of engine) Ckp sensor signal Cmp actuator solenoid control Cmp sensor signal Crankshaft position (ckp) sensor (left rear of engine block, below starter) Engine control module (ecm) (right rear of engine compt) Front of engine) Fuel injector 1 control Fuel injector 2 control Fuel injector 3 control Fuel injector 4 control Ground Heated oxygen sensor (ho2s) 1 (right side of engine, on exhaust manifold) Heated oxygen sensor (ho2s) 2 (in exhaust pipe, adjacent to transmission) Ho2s heater high ctrl sens 1 Ho2s heater low ctrl sens 2 Ho2s high signal sensor 1 Ho2s high signal sensor 2 Ho2s low signal sensor 1 Ho2s low signal sensor 2 Iat sensor signal Ic 1 control Ic 2 control Ic 3 control Ic 4 control Ignition voltage Instrument cluster system Intake air temperature (iat)/mass air flow (maf) sensor (in air intake duct, top right of engine) Knock sensor (ks) (on left side of engine, below intake manifold) Knock sensor signal Low reference Maf sensor signal Nca Pnk Red Tac motor control 1 Tac motor control 2 Tp sensor 1 signal Tp sensor 2 signal X2 underhood fuse block (left front x2 side of engine compt)
3.7L VIN E 3.7L VIN E, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2008 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Colorado 2008: 48 (chassis harness, 39 cm before fuel pump & sender assembly) j310 4wd low signal 5v ref A/c compressor clutch rly ctrl A11 Acc Accelerator pedal position (app) sensor (on accelerator bracket) Accy volt Air conditioning system Air solenoid relay control Anti-lock brakes system App sensor 1 signal App sensor 2 signal Battery positive voltage Body control module (bcm) (behind right Class 2 serial data Cnstr vent fuse 10a Computer data lines system Cruise control release signal Cruise control switch signal Cruise control system Engine control module (ecm) (right rear of engine compt) Evap canister vent sol ctrl Fuel level sensor signal Fuel pump relay control Fuel tank pressure (ftp) sensor (at top left rear of fuel tank) Fuel tank pressure sensor signal Hot at all times Ignition switch Ignition voltage Kick panel) Low ref Low reference Mil control Off Pnk Powertrain relay control Run Start Starter enable relay control Starting/charging system Stop fuse 20a Stop lamp control Stop lamp switch (above brake pedal assembly) Tan Transmissions system Underhood fuse block (left front side of engine compt) Vehicle speed signal 3.7L VIN E, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2008 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Colorado 2008: 32 (in engine harness, 24 cm before generator battery control module breakout) j105 Air pump fuse 50a Air pump relay Air solenoid fuse block (lower right front of engine compt) Clstr fuse 10a Computer data lines system Ecm-b fuse 10a Etc fuse 15a Evaporative emission (evap) canister vent solenoid valve (on side of evap canister, above spare tire) F11 Fuel pump & sender assembly (top of fuel tank) Fuel pump relay Fuel/pump fuse 15a G101 (lower left side of engine) G103 (lower left side of engine) G105 Hot at all times Instrument panel cluster (ipc) J401 Jx105 (left side of engine compt) Logic Mil ind Nca O2 snsr fuse 15a Pnk Pwr/trn relay Red Secondary air injection (air) pump (lower right front of engine compt) Secondary air injection (air) pump relay (lower right front of engine compt) Secondary air injection (air) pump solenoid (upper right side of engine) Serial data Underhood fuse block (left front side of engine compt) 3.7L VIN E, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2008 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Colorado 2008: 34 (on top left of valve cover) ignition coil 1 (on top left of valve cover) ignition coil 3 (on top left of valve cover) ignition coil 5 (on top right of valve cover) ignition coil 2 (on top right of valve cover) ignition coil 4 (top of engine, attached to fuel rail) fuel injectors 5v reference A pnk Air conditioning system Air relay control Anti-lock brakes system Computer data lines system Delivered torque Duty cycle signal Engine control module (ecm) (right rear of engine compt) Evap canister purge Generator Generator field High speed gmlan J103 pnk Low reference Nca Pnk Pnp/clutch Regulator ctrl Requested torque Serial data bus + Serial data bus - Signal Solenoid control Spark plug Start sw sig Starting/charging system Tan 3.7L VIN E, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2008 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Colorado 2008: 27 (lower left side of engine) g103 (on intake, near map sensor) throttle body A/c refrigerant Air conditioning system Air injection reaction Ctrl valve ctrl D11 E11 Ect sensor signal Engine control module (ecm) (right rear of engine compt) Engine coolant temperature (ect) sensor (on left rear of engine) Erls fuse 15a Evaporative emission (evap) canister purge solenoid valve (left side of engine, below intake) F11 Hot w/ run/crnk relay energized Ign fuse 15a Inj fuse 15a Instrument cluster system Manifold absolute pressure (map) sensor (top left side of engine, on intake manifold) Map sensor signal Nca Oil press sw sig Pcm-i fuse 10a Pnk Press sens sig Tan Underhood fuse block (left front side of engine compt) 3.7L VIN E, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2008 List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Colorado 2008: 47 (lower left side of engine) g102 5v reference A11 B11 C11 Camshaft position (cmp) actuator solenoid bank 1 exhaust (on top right b Camshaft position (cmp) sensor Ckp sensor signal Cmp actuator solenoid control Crankshaft position (ckp) sensor (left rear of engine block, below starter) Engine control module (ecm) (right rear of engine compt) Front of engine) Fuel injector 1 control Fuel injector 2 control Fuel injector 3 control Fuel injector 4 control Fuel injector 5 control Ground Heated oxygen sensor (ho2s) 1 (right side of engine, on exhaust manifold) Heated oxygen sensor (ho2s) 2 (in exhaust pipe, adjacent to transmission) Ho2s heater high ctrl sens 1 Ho2s heater low ctrl sens 2 Ho2s high signal sensor 1 Ho2s high signal sensor 2 Ho2s low signal sensor 1 Ho2s low signal sensor 2 Iat sensor signal Ic 1 control Ic 2 control Ic 3 control Ic 4 control Ic 5 control Ignition voltage Instrument cluster system Intake air temperature (iat)/mass air flow (maf) sensor (in air intake duct, top right of engine) Knock sensor (ks) (on left side of engine, below intake manifold) Knock sensor signal Low reference Maf sensor signal Nca Pnk Red Tac motor control 1 Tac motor control 2 Tp sensor 1 signal Tp sensor 2 signal X2 underhood fuse block (left front x2 side of engine compt)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Chevrolet Colorado 2008 List of elements for Backup Lamps Wiring Diagram for Chevrolet Colorado 2008: 23 (chassis harness, 75.5 cm before x402) j404 A trailer connector A/t Backup lamp switch (right side of transmission) Bck/up fuse 15a Exterior lamps circuit G105 Hot at all times Hot in run or start Inside rearview mirror (if equipped) J401 J409 (w/ trailer connection) Jx105 (left side of engine compt) Left backup lamp M/t Nca Park/ neutral position (pnp) Pnk Right backup lamp Run/ crank relay Switch (on lower left side of transmission) Underhood fuse block (left front side of engine compartment) x7 Underhood fuse block (left front side of engine compt) Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Colorado 2008 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Colorado 2008: 45 A10 A11 A19 A24 A45 A48 Auto Body control module (bcm) (behind right kick panel) Frt prk lamp fuse 10a G105 G106 Haz sw sig Hazard switch Head Headlamp & panel dimmer switch Hot at all times Interior lights system J200 Jx105 (left side of engine compt) Jx106 (left side of engine compt) Jx106 (right side of engine compt) Left Left cargo lamp Left front park lamp Left park/ turn signal lamp Low ref Off Park Park lamp relay Prk lmp rly Prk lmp sw Red Right Right cargo lamp Right front park lamp Right park/ turn signal lamp Stop fuse 20a Stop lamp switch (above brake pedal assembly) To rear prk lamp 2 fuse (diagram 2 0f 2) Trailer power fuse 30a Trn sig sw Turn signal/ multi-function switch Turn/ hazrd frt fuse 15a Turn/ hazrd rear fuse 15a Underhood fuse block (left front side of engine compt) Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Colorado 2008 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Colorado 2008: 44 (chassis harness, 13 cm from x401 & x402 breakout) j402 (chassis harness, 14 cm from x401 & x402 breakout) j403 (license lamp harness, 44.5 cm before right license lamp) j900 (not used) A/t Backup lamps circuit Electronic brake control module (ebcm) (on inner left frame rail, beside transmission) Engine control module (ecm) (right rear of engine compt) From frt prk a lamp fuse (diagram 1 0f 2) Fuse holder trailer connector G105 G400 Instrument panel cluster (ipc) J400 (chassis harness, 40.5 cm from fuel pump & sender assembly breakout) J401 J407 (w/ trailer connection) (trailer accessory harness, between left rear tail lamp connector & trailer lighting connector) J408 (w/ trailer connection) J409 J409 (w/ trailer connection) J901 Jx105 (left side of engine compt) Left backup lamp Left license lamp Left rear turn signal lamp Left stop lamp Left turn ind Logic Nca Rear prk lamp 2 fuse 10a Rear prk lamp fuse 15a Red Right backup lamp Right license lamp Right rear turn signal lamp Right stop lamp Right turn ind Stp lmp vlt Trailer connector Trailer lighting converter Transmission control module (tcm) Underhood fuse block (left front side of engine compt) W/o trailer connector X401 X405
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Colorado 2008 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Colorado 2008: 58 3.7l 4wd A/c clutch diode A/c compressor clutch A/t A11 B11 Battery Beam sel relay Brake fluid level switch Crew cab w/ power operated window D11 Driver door lock/ window switch E11 Electronic brake control module (ebcm) Engine control module (ecm) F11 Front drive axle actuator Fuel pump relay G100 (next to rear side of battery) G101 (lower left side of engine) G102 (lower left side of engine) G103 (lower left side of engine) G104 (left side of engine) G105 (left side of engine compt, near ebcm) Generator battery control module If equipped Ignition coil/ module 1 Ignition coil/ module 2 Ignition coil/ module 3 Ignition coil/ module 4 Ignition coil/ module 5 Inside rearview mirror J110 J500 (driver door harness, 5 cm from left front door tweeter speaker breakout) Jx105 Left rear window switch M/t Mass air flow (maf)/ intake air temperature (iat) sensor Nca Outside rearview mirror switch Park/ neutral position (pnp) switch Run/ crank relay Secondary air injection (air) pump Secondary air injection (air) pump solenoid Strt relay To jx105 (diagram 2 of 3) Transfer case 2/4 wheel indicator switch Transfer case encoder motor Transfer case neutral switch Transmission control module (tcm) Underhood fuse block (left front side of engine compt) W/ driver convenience iii sales package W/ onstar Wind- shield wiper motor Windshield washer fluid pump Wiper 2 relay Wiper relay Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Colorado 2008 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Colorado 2008: 60 (w/ power operated window) passenger door lock/ window switch 4wd Crew cab w/ power operated window Driver back heated seat element Driver cushion heated seat element Driver heated seat control module Driver seat adjuster switch Driver seat lumbar adjuster switch Electronic brake control module (ebcm) Fog lamp relay From a jx105 (diagram 1 of 3) From jx106 (diagram 3 of 3) Fuel pump & sender assembly G106 (right side of engine compt, behind air cleaner) Horn assembly Hvac control module J306 (driver seat harness, 5 cm from x319 breakout) J314 (passenger seat harness, 5 cm from x319 breakout) J317 (passenger heater element harness) J318 (passenger heater element harness) J321 (driver heater element harness) J322 (driver heater element harness) J409 (w/ trailer connector) (trailer accessory harness, between left rear tail lamp connector & trailer lighting connector) J901 (license lamp harness, 24 cm from x400 breakout) Jx105 Jx106 Left back-up lamp Left cargo lamp Left center high mounted stop lamp (chmsl) Left front fog lamp Left front park lamp Left license lamp Left park/turn signal lamp Left rear turn signal lamp Left stop- lamp Left tail lamp Nca Passenger back heated seat element Passenger cushion heated seat element Passenger heated seat control module Passenger seat adjuster switch Passenger seat lumbar adjuster switch Right back-up lamp Right cargo lamp Right center high mounted stop lamp (chmsl) Right front fog lamp Right front park lamp Right license lamp Right park/turn signal lamp Right rear turn signal lamp Right rear window switch Right stop- lamp Right tail lamp Trailer lighting converter Transfer case shift control module Underhood fuse block (left front side of engine compt) W/ driver power seat W/ passenger power seat W/ trailer connector X1 h Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Colorado 2008 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Colorado 2008: 42 (between front seats, under console) (if equipped) inside rearview mirror (if equipped) trailer connector Accessory switch Automatic transmission shift lock control solenoid B10 Body control module (bcm) Crew cab Data link connector (dlc) Digital radio receiver Driver door jamb switch Evaporator temperature sensor From jx106 b (diagram 3 of 3) G300 (under driver seat carpet) G301 (under front passenger seat carpet) G302 G400 Hazard switch Headlamp dimmer switch Hvac control module I/p accessory power outlet 1 I/p accessory power outlet 2 If equipped Inflatable restraint front passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Instrument panel cluster (ipc) J200 (i/p harness, 6 cm from instrument cluster breakout) J201 (i/p harness, 7 cm from x204 breakout) J324 Jx106 Left rear door jamb switch Manual a/c Passenger door jamb switch Passenger seat belt buckle Pnk Radio Right rear door jamb switch Turn signal/ multifunction switch Vehicle communication interface module (vcim) W/ onstar X1 a12 X1 b3
HEADLIGHTS Headlights Wiring Diagram for Chevrolet Colorado 2008 List of elements for Headlights Wiring Diagram for Chevrolet Colorado 2008: 69 A10 A11 A18 A31 A36 A37 A39 A43 Ambient light sensor (upper right side of dash, at windshield) Ambient lt sens Auto B10 Beam sel relay Bm sel rly ctrl Body control module (bcm) (behind right kick panel) Class 2 data Class 2 ser data Class 2 serial data Computer data lines system Drl fuse 10a Drl ind Drl relay Drl relay ctrl Flash to pass Fog lmp ind Fog lp rly ctrl Fog lp sw sig Fog/ lamp relay Fog/lamp fuse 15a Front fog lamp ind Front fog lamp switch G105 G106 Ground distribution system Hdlp dim sw sig Hdlp off sig Hdlp on sig Hdlp relay Hdlp rly ctrl Head Headlamp & panel dimmer switch Headlamp dimmer switch High beam High beam ind Hot at all times Ign Instrument panel cluster (ipc) J200 Jx105 (left side of engine compt) Jx106 (right side of engine compt) Left front fog lamp Left high beam head- lamp Left low beam head- lamp Low ref Lt hdlp fuse 10a Off Park Park brake switch (lower left end of dash) Pk brake sig Pnk Red Right front fog lamp Right high beam head- lamp Right low beam head- lamp Rt hdlp fuse 10a Turn signal/ multifunction switch Underhood fuse block (left front side of engine compt) X1 c2 X7 c10
HORN Horn Wiring Diagram for Chevrolet Colorado 2008 List of elements for Horn Wiring Diagram for Chevrolet Colorado 2008: 19 A25 A40 A5 x7 B11 Body control module (bcm) (behind right kick panel) F1 x1 G105 Ground distribution system Horn Horn fuse 10a Horn relay Horn rly ctrl Horn switch Hot at all times Inflatable restraint steering wheel module coil Jx105 (left side of engine compt) Nca Underhood fuse block (left front side of engine compt) X204
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Colorado 2008 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Colorado 2008: 72 (chassis harness, 39 cm before fuel pump & sender assembly) (or tan) (right rear of engine compt) engine control module (ecm) (under driver seat carpet) g300 A19 A31 A38 A39 A41 A42 A44 A45 A47 Abs ind Air bag ind Battery Body control module (bcm) (behind right kick panel) Brake fluid level switch (on brake fluid reservoir) Brake ind Brk fluid lvl Chime Class 2 Clstr fuse 10a Computer data lines system Cruise ind Dr belt sw Driver seat belt buckle (right side of driver's seat) Driver seat belt switch Drl ind Ect sens Engine controls system Engine coolant Engine coolant temperature gauge Engine oil pressure (eop) switch Fuel gauge Fuel level Fuel pump & sender assembly (top of fuel tank) G105 Ground High beam ind Hot at all times Ign Illumination (4 bulbs) Inflatable restraint sensing & diagnostic module (beneath center console) Instrument panel cluster (ipc) J201 J310 J311 (body harness, 24.5 cm from g302 breakout) Jx105 (left side of engine compt) L turn ind Left turn ind Low engine oil pressure gauge Low engine oil pressure ind Low ref Malfunction ind Mil ctrl Nca Oil press Park brake switch (lower left end of dash) Pnk Prk brk sw R turn ind Right turn ind Seat belt ind Security ind Serial data Speedometer Tachometer Temperature (ect) sensor (on left rear of engine) Underhood fuse block (left front side of engine compt) Up shift ind Volts
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Chevrolet Colorado 2008 List of elements for Courtesy Lamps Wiring Diagram for Chevrolet Colorado 2008: 53 (in left "b" pillar) (in right "b" pillar) A10 A11 A12 A13 A30 A32 A38 A39 A40 A41 A44 A46 A47 Batt Body control module (bcm) (behind right kick panel) Cargo lamp switch Cargo lp sw Courtesy lps Crew cab Dome lamp Dome on switch Dome override switch Driver door jamb switch Front passenger door jamb switch G105 G300 (under driver seat carpet) G301 (under front passenger seat carpet) Headlamp & panel dimmer switch Hot at all times J304 Jx105 (left side of engine compt) Left cargo lamp Left center high mounted stop lamp (chmsl) Left i/p courtesy lamp Left rear door jamb switch (in left "c" pillar) Lf door ajar Low ctrl Low ref Lp sw sig Lr door ajar Override sw Rf door ajar Right cargo lamp Right center high mounted stop lamp (chmsl) Right i/p courtesy lamp Right rear door jamb switch (in right "c" pillar) Rr door ajar Tbc fuse 10a Trn/hazrd frt fuse 15a Underhood fuse block (left front side of engine compt) W/ premium lighting Instrument Illumination Wiring Diagram for Chevrolet Colorado 2008 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Colorado 2008: 60 (3 bulbs) (5 bulbs) 2wd 4wd A10 A24 A28 A29 A35 A36 A39 A48 Accessory switch Auto Battery Body control module (bcm) (behind right kick panel) C11 Computer data lines system Crew cab Dim control Dim sw sig Driver door lock/ window switch F11 Frt prk lamp fuse 10a G105 G106 Hazard switch Head Headlamp & panel dimmer switch Hot at all times Hvac control module Illum Illumi- nation (4 bulbs) Instrument panel cluster Instrument panel lamps dimming control J200 J500 Jx105 (left side of engine compt) Jx106 (right side of engine compt) Left rear window switch Logic Low ref Lp rly ctrl Off Outside rearview mirror switch Park Parklamp sig Passenger door lock/ window switch Pk lp ctrl Prk/lamp relay Rear prk lamp 2 fuse 10a Right rear window switch Serial data Tbc fuse 10a Underhood fuse block (left front side of engine compt) W/ driver convenience iii sales package W/ dual folding power mirrors W/ onstar W/o onstar X2 vehicle communication interface module (vcim) (right side of dash)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Chevrolet Colorado 2008 List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Colorado 2008: 96 (body harness, 4 cm from accelerator pedal position switch breakout) (left front side of engine compt) underhood fuse block (passenger heater element harness) j319 (right side of engine compt) jx106 4wd A/c fuse 10a A/t A10 Abs 1 fuse 30a Abs 2 fuse 40a Aux pwr 1 fuse 20a Aux pwr 2 fuse 20a B10 B11 Battery Blower motor Blwr fuse 30a Body control module (bcm) California Clstr fuse 10a Cnstr vent fuse 10a Crew cab w/ power windows Data link connector (dlc) Digital radio receiver Diode Dr/lck fuse 20a Driver door lock/ window switch Driver heated seat module Driver seat lumbar adjuster switch E11 Ecm b fuse 10a Electronic brake control module (ebcm) Engine control module (ecm) Evaporative emission (evap) canister vent solenoid valve F12 From a aux pwr 1 fuse (diagram 1 of 4) From b trn/hazrd rear fuse (diagram 1 of 4) Fusible link 1 G106 Generator Htd/seat fuse 20a Hvac control module I/p 1 accessory power outlet I/p 2 accessory power outlet If equipped Ign 3 hvac relay Instrument panel cluster (ipc) J200 J302 J313 (passenger seat harness, 12.5 cm from x318 breakout) J315 (driver heater element harness) Left rear window switch Mega fuse 100a Nca Onstar fuse 10a Passenger door lock/ window switch Passenger heated seat module Passenger seat lumbar adjuster switch Pwr/ wndw fuse 30a Radio Rap relay Rdo fuse 15a Red Regular, extended cab w/ power windows Right rear window switch S/roof fuse 20a Secondary air injection (air) pump fuse block Starter Stop fuse 20a Stop lamp switch Strt relay Strtr fuse 30a Sunroof switch Tbc fuse 10a Tccm fuse 10a Tcm fuse 10a To dr/lck fuse (diagram 1 of 4) To pwr/trn relay (diagram 2 of 4) To rap relay (diagram 1 of 4) Transfer case shift control module Transmission control module (tcm) Trn/ hazrd frt fuse 15a Trn/ hazrd rear fuse 15a Turn signal/ multi- function switch Underhood fuse block (left front side of engine compt) Vehicle communication interface module (vcim) W/ accessory electrical receptacle W/ driver power seat adjuster W/ electric side door lock control W/ gps 1 W/ passenger power seat adjuster Windshield wiper/washer switch Wpr fuse 25a Wpr relay Wsw fuse 10a X204 Power Distribution Wiring Diagram (2 of 4) for Chevrolet Colorado 2008 List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Colorado 2008: 56 (automatic transmission harness) j133 (driver seat harness, 12.5 cm from x319 breakout) j312 (not used) 1-2 shift solenoid (ss) valve 2-3 shift solenoid (ss) valve 20a 3-2 shift solenoid (ss) valve 4wd A/t Accessory switch Air bag fuse 10a Cruise control release switch Cruise fuse 10a Driver seat adjuster switch Driver seat lumbar adjuster switch Drl fuse 10a Drl relay Fog/ lamp relay Fog/lamp fuse 15a From body control module (bcm) (diagram 4 of 4) From fuel/ d pump relay (diagram 2 of 4) From wpr c fuse (diagram 1 of 4) Fuel/ pump relay G105 Generator battery control module Hdlp relay Horn fuse 10a Horn relay Inflatable restraint front passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror Jx105 (left side of engine compt) M/t Nca Passenger seat adjuster switch Pnk Power seat fuse holder Pwr/seat fuse 40a Pwr/trn relay Red Run/ crnk relay Rvc fuse 10a To bck/up fuse (diagram 3 of 4) To ign trans d fuse (diagram 4 of 4) To run/ crank relay (diagram 2 of 4) Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve Torque converter clutch (tcc) solenoid valve Trans fuse 10a Transfer case shift control module Transmission control module (tcm) Turn signal/ multi-fuction switch Underhood fuse block (left front side of engine compt) W/ power seats W/o outside display w/ outside display X204 X6 b3 Power Distribution Wiring Diagram (3 of 4) for Chevrolet Colorado 2008 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Colorado 2008: 41 (fuel injector harness, 4 cm from fuel injector 4 breakout) j104 (fuel injector harness, 5 cm from fuel injector 4 breakout) j103 (not used) 2.9l 3.7l 4wd A/c relay A/t Abs fuse 10a Back-up lamp switch Bck/up fuse 15a California Electronic brake control module (ebcm) Engine control module (ecm) Erls fuse 15a Evaporative emission (evap) canister purge solenoid valve From e trans fuse (diagram 2 of 4) From ign g fuse (diagram 3 of 4) Front drive axle actuator Frt/axl fuse 15a Fuel injector Ign fuse 15a Ignition coil/ module 1 Ignition coil/ module 2 Ignition coil/ module 3 Ignition coil/ module 4 Ignition coil/ module 5 Inj fuse 15a Longitudinal accelerometer sensor M/t Mass air flow (maf)/ intake air temperature (iat) sensor Park/ neutral position (pnp) switch Pcm i fuse 10a Pnk Secondary air injection (air) pump relay To erls fuse (diagram 3 of 4) Underhood fuse block (left front side of engine compt) X2 b2 X2 c3 X2 f4 X7 f3 Power Distribution Wiring Diagram (4 of 4) for Chevrolet Colorado 2008 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Colorado 2008: 51 (chassis harness, 40.5 cm from fuel pump & sender assembly breakout) j400 5 volt A/c cmprsr 10a A/c relay A/t A14 A24 Acc Accessory switch Body control module (bcm) C11 Crew cab w/ power window Driver door lock/ window switch Engine control module (ecm) F11 From f run/ crank relay (diagram 2 of 4) Frt prk lamp fuse 10a G x403 Ign Ign transd fuse 10a Ignition switch Ignition volt J900 (license lamp harness, 44.5 cm before right license lamp) Left front marker lamp Left license lamp Left park/turn signal lamp Left rear turn signal lamp Left rear window switch Left stop lamp Nca Off Outside rearview mirror switch (if equipped) Passenger door lock/ window switch Prk/lamp relay Rear prk lamp 2 fuse 10a Rear prk lamp fuse 15a Right front marker lamp Right license lamp Right park/turn signal lamp Right rear turn signal lamp Right rear window switch Right stop lamp Run Start To run/crank relay (diagram 2 of 4) Trailer lighting converter Transmission control module (tcm) Underhood fuse block (left front side of engine compt) W/ power window X1 a48 X2 a42
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Chevrolet Colorado 2008 List of elements for Power Door Locks Wiring Diagram for Chevrolet Colorado 2008: 56 (body harness, 10.5 cm from accelerator pedal position switch breakout) (body harness, 17 cm from accelerator pedal position switch breakout) (not used) 87a A11 A12 A38 A39 A41 A42 A44 A47 All doors lock ctrl All doors unlock ctrl Battery + Body control module (bcm) (behind right kick panel) Class 2 serial data Computer data lines system Door unlock Door unlock ctrl Dr/lck fuse 20a Driver door lock actuator (in lower rear of door) Driver door lock/window switch Driver door unlock ctrl Driver unlock relay F5 x6 Front passenger door lock actuator (in lower rear of door) G105 G106 G301 (under front passenger seat carpet) Ground Hot at all times J304 J308 J309 J500 Jx105 (left side of engine compt) Jx106 (right side of engine compt) Left rear door lock actuator (in lower rear of door) Lock relay Lock sw Lock switch Pass door lock ctrl Passenger door lock/ window switch Right rear door lock actuator (in lower rear of door) Tan Tbc fuse 10a Trn/ hazrd frt fuse 15a Trn/ hazrd rear fuse 15a Underhood fuse block (left front side of engine compt) Unlock relay Unlock sw Unlock switch W/ crew cab W/o crew cab X7 b3
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Chevrolet Colorado 2008 List of elements for Automatic Day/Night Mirror Wiring Diagram for Chevrolet Colorado 2008: 33 Ambient air temperature sensor (w/ dual reading lamps) (on radiator support, behind center of grille) B5 x6 Button back- lighting Cruise fuse 10a Drain wire Emergency Emergency ind Exterior lights system G105 Hot at all times Hot in run or start Inside rearview mirror Jx105 (left side of engine compt) Keypad ctrl Keypad green led ind Keypad green led sig Keypad red led ind Keypad red led sig Keypad signal Microphone Microphone sig Nca Onstar Onstar ind Onstar keypad Phone Phone ind Pnk Run/ crnk relay Underhood fuse block (left front side of engine compt) Vehicle communication interface module (vcim) (right side of dash) W/ onstar W/o onstar Power Mirrors Wiring Diagram for Chevrolet Colorado 2008 List of elements for Power Mirrors Wiring Diagram for Chevrolet Colorado 2008: 19 A29 Body control module (behind right kick panel) Courtesy lamps ctrl Driver outside rearview mirror G105 Horiz Hot at all times Interior lights system J500 Jx105 (left side of engine compt) Left Nca Off Outside rearview mirror switch Passenger outside rearview mirror Right Trn/hazrd frt fuse 15a Underhood fuse block (left front side of engine compt) Vert
POWER SEATS Driver Heated Seat Wiring Diagram for Chevrolet Colorado 2008 List of elements for Driver Heated Seat Wiring Diagram for Chevrolet Colorado 2008: 36 (driver heater element harness) (driver heater element harness) j315 A/c fuse 10a A26 A5 x6 B nca Body control module (bcm) (behind right kick panel) C nca Driver back heated seat element Driver cushion heated seat element Driver heated seat control module Driver seat lumbar adjuster switch E nca E9 x7 F10 G106 Gnd High High/low status ind bulb Hot at all times Htd/seat fuse 20a Ign 3 hvac relay Ign 3 voltage J300 J306 J320 J321 (driver heater element harness) J322 Jx106 (right side of engine compt) Low Nca Pnk Red Underhood fuse block (left front side of engine compt) W/ driver power seat adjuster W/ driver power seat adjuster red Driver Power Seat Wiring Diagram for Chevrolet Colorado 2008 List of elements for Driver Power Seat Wiring Diagram for Chevrolet Colorado 2008: 18 20a Driver seat adjuster motor assembly Driver seat adjuster switch Driver seat vertical motor Front vertical Fuse holder power seat Fwd G106 Horiz- ontal Hot at all times J306 J312 Jx106 (right side of engine compt) Pwr/seat fuse 40a Rear vertical Rwd Tan Underhood fuse block (left front side of engine compartment) Lumbar Wiring Diagram for Chevrolet Colorado 2008 List of elements for Lumbar Wiring Diagram for Chevrolet Colorado 2008: 20 20a Driver seat lumbar adjuster switch Driver seat lumbar motor Fuse holder power seat G106 Hot at all times Htd/seat fuse 20a J306 J312 J313 J314 Jx106 (right side of engine compt) Nca Out Passenger seat lumbar adjuster switch Passenger seat lumbar motor Pnk Power seat adjuster Pwr/seat fuse 40a Underhood fuse block (left front side of engine compt) Passenger Power Seat Wiring Diagram for Chevrolet Colorado 2008 List of elements for Passenger Power Seat Wiring Diagram for Chevrolet Colorado 2008: 17 20a Front vertical Fuse holder power seat Fwd G106 Horiz- ontal Hot at all times J312 J314 Jx106 (right side of engine compt) Passenger seat adjuster motor assembly Passenger seat adjuster switch Pwr/seat fuse 40a Rear vertical Rwd Tan Underhood fuse block (left front side of engine compartment) Passenger"s Heated Seat Wiring Diagram for Chevrolet Colorado 2008 List of elements for Passenger"s Heated Seat Wiring Diagram for Chevrolet Colorado 2008: 40 (passenger heater element harness) (passenger heater element harness) j319 A/c fuse 10a A26 A5 x6 B nca Body control module (bcm) (behind right kick panel) C nca D nca E nca E9 x7 F10 G106 Gnd High High/low status ind bulb Hot at all times Htd/seat fuse 20a Ign 3 Ign 3 hvac relay Ign 3 voltage J300 J313 J314 J316 J317 (passenger heater element harness) J318 Jx106 (right side of engine compt) Logic Low Nca Passenger cushion heated seat element Passenger seat back heater element Passenger seat cushion heater element Passenger seat lumbar adjuster switch Pnk Red Rt seat belt sw Underhood fuse block (left front side of engine compt) W/ passenger power seat adjuster
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Chevrolet Colorado 2008 List of elements for Power Top/Sunroof Wiring Diagram for Chevrolet Colorado 2008: 15 A10 Body control module (behind right kick panel) Closed F12 G303 Hot at all times Nca Open Rap relay Rap rly Red Sunroof fuse 20a Sunroof motor (center front of headliner) Sunroof switch Underhood fuse block (left front side of engine compt)
POWER WINDOWS Power Windows Wiring Diagram, 2 Door for Chevrolet Colorado 2008 List of elements for Power Windows Wiring Diagram, 2 Door for Chevrolet Colorado 2008: 24 (not used) Auto Down Down relay Dr/lck fuse 20a Driver door lock/ window switch Driver window motor (in lower front of door) Front passenger window motor (in lower front of door) G105 G106 Hot at all times Hot w/ rap relay energized J500 Jx105 (left side of engine compt) Jx106 (right side of engine compt) Logic Passenger door lock/ window switch Pwr/ wndw fuse 30a Rf down Rf up Tan Underhood fuse block (left front side of engine compt) Up relay X6 f5 Power Windows Wiring Diagram, 4 Door for Chevrolet Colorado 2008 List of elements for Power Windows Wiring Diagram, 4 Door for Chevrolet Colorado 2008: 38 (body harness, 4 cm from accelerator pedal position breakout) j307 Auto Down Down relay Dr/lck fuse 20a Driver door lock/ window switch Driver window motor (in lower front of door) Dwn Front passenger window motor (in lower front of door) G105 G106 Hot at all times Hot w/ rap relay energized J302 J500 Jx105 (left side of engine compartment) Jx105 (left side of engine compt) Jx106 (right side of engine compartment) Jx106 (right side of engine compt) Left rear window motor (in lower center of door) Left rear window switch Logic Lr down Lr up Passenger door lock/ window switch Pwr/ wndw fuse 30a Rf down Rf up Right rear window motor (in lower center of door) Right rear window switch Rr down Rr up Tan Underhood fuse block (left front side of engine compt) Up relay W/l X4 a X6 f5
RADIO Radio Wiring Diagram for Chevrolet Colorado 2008 List of elements for Radio Wiring Diagram for Chevrolet Colorado 2008: 43 A10 A11 A12 Audio comm sig B10 B11 B12 Bare Coax Common sig Computer data lines system Digital radio antenna Digital radio receiver (if equipped) (center of dash) Drain wire G300 (under driver seat carpet) Ground Hot at all times J201 Left aud sig Left audio sig Left front speaker Left front tweeter speaker (w/ 6 speakers system) Left rear speaker (w/ extended crew cab) Lf out + Lf out - Lr out + Lr out - Radio Radio antenna Rdo fuse 15a Rf out + Rf out - Right aud sig Right front speaker Right front tweeter speaker (w/ 6 speakers system) Right rear speaker (w/ extended crew cab) Rr out + Rr out - Satellite in Serial data Tan Underhood fuse block (left front side of engine compartment) Vehicle communication interface module (vcim) (w/ onstar) (right side of dash)
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Chevrolet Colorado 2008 List of elements for Shift Interlock Wiring Diagram for Chevrolet Colorado 2008: 24 A/t shift lock control solenoid (under center console, left side of shifter) A11 x7 A31 x2 A47 x1 B2 x7 Body control module (behind right kick panel) Btsi Computer data lines system Engine control module G106 Hot at all times J100 (body harness, 14.5 cm from accelerator pedal position switch breakout) J200 Jx106 (right side of engine compt) Logic Park/neutral position switch Serial data Stop fuse 20a Stop lamp switch Tan Tbc fuse 10a Transmission control module Underhood fuse block (left front side of engine compt) X1 a7
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Colorado 2008 List of elements for Charging Wiring Diagram for Chevrolet Colorado 2008: 27 (right rear of engine compt) engine control module (ecm) A11 B11 Batt pos volt Battery Computer data lines system Driver information center (dic) display Field duty cyc G100 (next to rear side of battery) G102 (lower left side of engine) G104 (left side of engine) Gen reg cntrl Gen turn on Generator Generator battery control module (left front of engine compt, near battery) Ground Instrument panel cluster (ipc) J106 Logic Mega fuse 100a Red Rvc fuse 10a Serial data Starter Underhood fuse block (left front side of engine compt) Used) (not Volts Starting Wiring Diagram, A/T for Chevrolet Colorado 2008 List of elements for Starting Wiring Diagram, A/T for Chevrolet Colorado 2008: 34 A14 A42 A42 key resistor sig A47 Acc B11 Battery Body control module (bcm) (behind right kick panel) C11 Computer data lines system Engine control module (ecm) (right rear of engine compt) G100 (next to rear side of battery) G102 (lower left side of engine) G104 (left side of engine) Ign volt x2 Ignition switch J110 Off P/n Park neutral position switch (on lower left side of transmission) Pnp start Red Run Serial Serial data Serial data x1 Start Starter Strtr fuse 30a Strtr relay Underhood fuse block (left front side of engine compt) X1 ctrl rly X1 data X3 sw Starting Wiring Diagram, M/T for Chevrolet Colorado 2008 List of elements for Starting Wiring Diagram, M/T for Chevrolet Colorado 2008: 31 5v ref Acc B11 Battery Body control module (bcm) (behind right kick panel) C11 Clutch pedal position (cpp) sensor Cpp sig G100 (next to rear side of battery) G102 (lower left side of engine) G104 (left side of engine) G105 Ign trnsd fuse 10a Ign volt Ignition switch J203 Jx105 (left side of engine compt) Low ref Off Pcm 1 fuse 10a Pnk Red Rly Run Run/crank relay Start Starter Strtr fuse 30a Strtr relay Underhood fuse block (left front side of engine compt) X1 ctrl engine control module (ecm) (right rear of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Colorado 2008 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Chevrolet Colorado 2008: 39 A2 x275 Accessory switch Air bag fuse 10a Computer data lines system Control Cruise fuse 10a Disbl sw signal G302 (between front seats, under console) Ground High control Hot w/ park lamp relay energized Hot w/ run/crank relay energized Ignition 1 Inflatable restraint i/p module (right side of dash) Inflatable restraint passenger air bag on/off indicator Inflatable restraint sensing & diagnostic module (sdm) (beneath center console) Inflatable restraint steering wheel module (top of steering wheel) Inflatable restraint steering wheel module coil J324 Left front seat belt pretensioner (extended cab: in left rear door) (regular/crew cab: in left "b" pillar) Low control Low reference Nca Passenger seat belt indicator Pnk Power distribution system Red Right front seat belt pretensioner (extended cab: in right rear door) (regular/crew cab: in right "b" pillar) Rr pk lp2 fuse 10a Seat belt sw Serial data Shorting bar Shorting clip Signal Stage 1 Stage 2 Tan Underhood fuse block (left front side of engine compartment) Voltage Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Colorado 2008 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Chevrolet Colorado 2008: 51 (between front seats, under console) g302 (right side of dash) vehicle communication interface module (vcim) A38 A39 A42 Air bag ind Body control module (behind right kick panel) Data link connector (dlc) (lower left side of dash) Driver seat belt buckle (right side of driver's seat) Driver seat belt switch G302 (between front seats, under console) Gnd Ign Ign 1+ Inflatable restraint front passenger presence system (pps) module (under side of front passenger seat) Inflatable restraint passenger presence system (pps) sensor (in front passenger seat cushion) Instrument panel cluster Ipc class 2 serial data J311 (body harness, 24.5 cm from g302 breakout) J323 J324 Left inflatable restraint front end sensor (on left underside of front frame crossmember) Left inflatable restraint roof rail module (if equipped) (in roof above driver door) Left inflatable restraint seat position sensor (on driver seat track) Left inflatable restraint side impact sensor (sis) (if equipped) (lower rear of driver door) Logic Low ref Nca Nca a Off ind On ind Passenger seat belt buckle (under passenger's seat) Passenger seat lumbar adjuster/ heater switch Pnk Press sig Red Right inflatable restraint front end sensor (on right underside of front frame crossmember) Right inflatable restraint roof rail module (if equipped) (in roof above front passenger door) Right inflatable restraint seat position sensor (on front passenger seat track) Right inflatable restraint side impact sensor (sis) (if equipped) (lower rear of front passenger door) Seat belt ind control Serial Shorting bar Shorting clip Tan Tension sig Volt ref W/ power seats W/ vehicle communication interface module W/o power seats W/o vehicle communication interface module
TRANSMISSION A/T Wiring Diagram for Chevrolet Colorado 2008 List of elements for A/T Wiring Diagram for Chevrolet Colorado 2008: 62 1-2 shift sol ctrl 1-2 shift solenoid (ss) valve 2-3 shift sol ctrl 2-3 shift solenoid (ss) valve 3-2 shift sol ctrl 3-2 shift solenoid (ss) valve Acc Automatic transmission Automatic transmission fluid pressure manual valve position switch Automatic transmission fluid temperature (tft) sensor Body control module (bcm) (behind right kick panel) Computer data lines system Engine control module (ecm) (right rear of engine compt) Exterior lights system G102 (lower left side of engine) Gnd Hi spd serial data + Hi spd serial data - Hot at all times Hot w/ run/ crank relay energized Ign volt Ignition switch In shaft spd sens Input speed sensor (iss) J110 J133 J204 Lo ref Off P/n Park/neutral position (pnp) switch (on lower left side of transmission) Pc sol valve hi ctrl Pc sol valve lo ctrl Pnk Pnp/clutch start sw sig Power distribution system Pressure control (pc) solenoid valve Red Rev Run Start Stop lamp ctrl Tan Tcc pwm sol ctrl Tcc sol valve ctrl Tcm fuse 10a Tft sens sig Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve Torque converter clutch (tcc) solenoid valve Trans fluid sw a Trans fluid sw b Trans fluid sw c Trans fuse 10a Trans range sw a Trans range sw b Trans range sw c Trans range sw p Transmission control module (tcm) Underhood fuse block (left front side of engine compt) Vehicle speed sensor (vss) (4wd: on left rear of transfer case) (2wd: left rear of transmission) Vss hi sig Vss lo sig Transfer Case Wiring Diagram for Chevrolet Colorado 2008 List of elements for Transfer Case Wiring Diagram for Chevrolet Colorado 2008: 77 (lower left side of engine) g103 (not used) d 12v 2 hi 2 hi ind 2wd/4wd sig 4 hi 4 hi ind 4 lo 4 lo ind 4 lo sw sig 5v ref A encoder sig A sig Accessory switch Axle act ctrl Axle sw sig B encoder sig B sig B2 x2 Bat Body control module (bcm) (behind right kick panel) C encoder sig C sig Computer data lines system Cruise fuse 10a Encoder motor Engine control module (ecm) (right rear of engine compt) F11 Front axle actuator (on right center of front axle housing) Frt axl fuse 15a G105 G106 Gnd Ground Ground distribution system Hot at all times Hot in run or start Ign volt Ign voltage Interior lights system J200 Jx105 (left side of engine compt) Jx106 (right side of engine compt) Lo sig Logic Mtr ctrl a Mtr ctrl b Neu ind ctrl Neu sw sig Neutral Neutral ind P encoder sig P sig Pnk Power distribution system Prk lp ctrl Prk/lamp relay Rear prk lamp 2 fuse 10a Red Rly ctrl Run/crank relay Serial data Sig hi Sig lo Sw sig lo Tan Tccm fuse 10a Transfer case 2/4 wheel driver indicator switch (lower right side of transfer case) Transfer case encoder motor (on rear of transfer case) Transfer case neutral switch (upper right side of transfer case) Transfer case shift control module (under driver seat carpet) Turn signal/ multi-function switch Underhood fuse block (left front side of engine compt) Vehicle speed sensor (m/t) (on left rear of transfer case) X1 a24 X6 f1
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Colorado 2008 List of elements for Warning Systems Wiring Diagram for Chevrolet Colorado 2008: 64 (body harness, 24.5 cm from g302 breakout) j311 A10 A14 A31 A32 A38 A39 A42 A44 Auto Body control module (bcm) (behind right kick panel) Brake ind Chime Class 2 serial data Computer data lines system Driver door jamb switch (in left "b" pillar) Driver seat belt buckle (right side of driver's seat) Driver seat belt switch Front passenger door jamb switch (in right "b" pillar) G300 (under driver seat carpet) G301 (under front passenger seat carpet) G302 (between front seats, under console) Head Headlamp & panel dimmer switch Hot at all times Ign trans d fuse 10a Ign volt Ignition switch Inflatable restraint sensing & diagnostic module (sdm) (beneath center console) Instrument panel cluster (ipc) J303 J304 J323 J324 Key-in switch Left rear door jamb switch (crew cab) (in left "c" pillar) Left seat belt sw Left turn ind Lf dr ajar sw sig Logic Low ref Lr dr ajar sw sig Lr turn sig lmps ctrl Nca Off Park Park brake sw sig Park brake switch (lower left end of dash) Passenger seat belt buckle (left side of passenger's seat) Passenger seat belt switch Pk lmp rly ctrl Red Rf dr ajar sw sig Right rear door jamb switch (crew cab) (in right "c" pillar) Right seat belt sw Right turn ind Rr dr ajar sw sig Rr turn sig lmps ctrl Seat belt ind Seats system Tbc fuse 10a Underhood fuse block (left front side of engine compt) W/ power passenger seats X7 b2
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Colorado 2008 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Colorado 2008: 31 A20 B10 Body control module (behind right kick panel) F12 G105 Hi in Hot at all times Int Jx105 (left side of engine compt) Lo in Mist Nca Off Park out Rap relay Rap relay coil control Red Turn signal/ multi-function switch Underhood fuse block (left front side of engine compt) Windshield washer fluid pump (on washer fluid reservoir) Windshield washer pump control Windshield wiper motor (left rear of engine compt) Windshield wiper motor park switch signal Windshield wiper switch signal 1 Windshield wiper switch signal 2 Windshield wiper/ washer switch Wiper 2 relay Wiper relay Wpr fuse 25a Wsw fuse 10a X204
