Разделы схем — 29 (всего 57)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Compressor Wiring Diagram for Chevrolet Blazer 2005 List of elements for Compressor Wiring Diagram for Chevrolet Blazer 2005: 32 (in engine harness, between rear heated oxygen sensors & body harness breakouts, 7 cm from breakout to heated oxygen sensor connector) s106 (on rear of right cylinder head) g102 (on rear of right cylinder head) g103 A/c A/c comp rly ctrl A/c compressor clutch A/c compressor clutch diode (in engine harness, 8 cm from breakout to a/c high pressure switch) A/c compressor clutch relay A/c fuse 10a A/c high pressure switch (on rear of a/c compressor) A/c low pressure switch (at a/c accumulator) A/c low sw signal A/c request signal Bi-level a/c Blend D12 Defrost Fuse block & c104, 19.5 cm from throttle position sensor) c2 Heat Hot at all times Hot in run Hot in run or start Hvac control assembly Hvac fuse 9 20a I/p fuse block Ign e fuse 10a Max a/c Nca Off Powertrain control module (pcm) (on right side of engine compartment) Underhood fuse block (on top of left front inner wheelwell) Vent Manual A/C Wiring Diagram for Chevrolet Blazer 2005 List of elements for Manual A/C Wiring Diagram for Chevrolet Blazer 2005: 69 (behind right side of dash) g203 (behind upper left end of dash) g200 (in dash harness, between radio & bcm connector breakouts, 8 cm from radio breakout) s205 (in engine harness, between rear heated oxygen sensors & body harness breakouts, 7 cm from breakout to heated oxygen sensor connector) s106 (on left rear of engine compartment) g117 (on rear of right cylinder head) g102 (on rear of right cylinder head) g103 87a A/c A/c comp rly ctrl A/c compressor clutch A/c compressor clutch diode (in engine harness, 8 cm nca A/c compressor clutch relay A/c fuse 10a A/c high pressure switch (on rear of a/c compressor) A/c low pre sw signal A/c low pressure switch (at a/c accumulator) A/c request signal Air temperature actuator (behind right side of dash, on heater case) Bi-level Bi-level a/c Blend Blower motor (on right rear of engine compartment) Blower motor relay (on center rear of engine compartment) Blower motor resistor (on right rear of engine compartment, on blower case) Blower switch Cm from throttle position sensor) Connector) s104 D (not used) D12 Def Ect sensor sinal Engine coolant temperature (ect) sensor (in left cylinder head, between two rear spark plugs) From breakout to a/c high pressure switch) Heat High Hot at all times Hot in park & head Hot in run Hot in run or start Hvac 1 fuse 21 10a Hvac control assembly Hvac fuse 30a Hvac fuse 9 20a I/p fuse block If equipped Ign e fuse 10a Illum (x4) Illum fuse 12 10a Low Low reference Max a/c Med Mode door switch Nca Norm Off Power mirrors system (automatic day/night mirror) Powertrain control module (pcm) (on right side of engine compartment) S118 (in body harness, between blower motor & blower motor relay breakout) S215 (in dash harness, behind hvac assembly) S217 (in dash harness, in breakout to heater controller connectors, 6 cm into breakout) Servo amplifier Sp202 (strapped to body harness, at left center of dash) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Tan Temp control Underhood fuse block (on top of left front inner wheelwell) Vent
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Chevrolet Blazer 2005 List of elements for Anti-lock Brakes Wiring Diagram for Chevrolet Blazer 2005: 49 (base pickup: behind left side of dash) (except base pickup: (under left side of dash) data link connector (dlc) A10 A12 Abs fuse 22 10a Abs fuse 60a Anti-lock indicator Axle switch sig Axle switch signal Body control module (under dash, on heater case) Brake fluid level switch (on master cylinder) Brake fluid lvl sig Brake warning indicator Class 2 Computer data lines system Cruise control system Electronic brake control module (ebcm) (near left front inner fender, on brake pressure modulator valve) From manual a/c blower motor resistor breakout) Front axle indicator switch (at front axle, to right of differential) G102 (on rear of right cylinder head) G110 (near windshield washer pump) Ground distribution system Hot at all times Hot in run I/p fuse block Ignition 3 Instrument panel cluster Left front wheel speed sensor (wss) (on left front steering knuckle assembly) Lf whl spd sens ref Lf whl spd sens sig Nca Powertrain control module (pcm) (on right side of engine compt) Radio Rdo batt fuse 19 15a Red Rf whl spd sens ref Rf whl spd sens sig Right front wheel speed sensor (wss) (on right front steering knuckle assembly) S121 (in body harness, between electronic brake control module & c102 breakouts, 6.5 cm from s113) S203 S276 Serial data Sp201 (strapped to body harness, near body relay block) Stoplamp switch (on brake pedal support bracket) Tan Tcc brake switch sig Underhood fuse block (on top of left front inner wheelwell) Vehicle speed signal Vss W/ electric shift control (2 speed)
ANTI-THEFT Forced Entry Wiring Diagram for Chevrolet Blazer 2005 List of elements for Forced Entry Wiring Diagram for Chevrolet Blazer 2005: 48 (not used) (under left side of dash) 2 door 4 door A12 B10 B11 Battery Body control module (under dash, on heater case) Computer data lines system Data link connector Door sw sig Driver door jamb switch Driver door lock cylinder switch Drv dr switch Fr handle sw Front passenger door lock cylinder switch G200 (behind upper left end of dash) G202 (behind upper left end of dash) G203 (behind right side of dash, between c203 & splice packs) G205 (behind right side of dash, between c203 & splice packs) G450 (on left rear corner of vehicle, near c403) Ground Horn relay Horns system Hot at all times Ignition switch & ignition key alarm switch (in steering column) Instrument panel cluster Key in ign Key sw sig Left rear door jamb switch Liftgate sw Rear window wiper cutout & liftglass ajar jamb switch (in liftgate) Right door handle switch Right rear door jamb switch S276 S305 (in body harness, 22.5 cm before right rear door jamb switch breakout) S427 S501 S601 Security indicator Serial data Splice pack sp201 (strapped to body harness, near body relay block) Splice pack sp202 (strapped to body harness, at left center of dash) Splice pack sp203 (in dash harness, in front of ashtray, strapped to body harness) Tan Tbc fuse 10a Underhood fuse block (top of left front inner wheelwell) Pass-Key Wiring Diagram for Chevrolet Blazer 2005 List of elements for Pass-Key Wiring Diagram for Chevrolet Blazer 2005: 22 A12 Battery Body control module (under dash, on heater case) Data link connector (under left side of dash) Engine controls system G200 (behind upper left end of dash) Ground Hot at all times Passlock sensor (at ignition switch) Powertrain control module (pcm) (on right side of engine compt) Remote control door lock receiver (rcdlr) (behind lower left side of dash) Security hall effect sensor Sensor pwr Sensor ret Sensor sig Serial data Splice pack sp201 (strapped to body harness, near body relay block) Splice pack sp202 (strapped to body harness, at left center of dash) Tamper hall effect sensor Tbc fuse 10a Underhood fuse block (on top of left front inner wheelwell) W/ remote keyless entry
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Chevrolet Blazer 2005 List of elements for Body Control Modules Wiring Diagram for Chevrolet Blazer 2005: 82 (envoy) (others) 12v ref 5v reference A10 A11 A12 Ambient light sensor (on top left side of dash) Ambient light sensor sig Anti-theft system B10 B11 B12 Battery positive voltage Body control module (under dash, on heater case) Class 2 serial data signal Computer data lines system Courtesy lamp relay ctrl Courtesy lamp sw sig Cruise fuse 3 10a Door lock ctrl Door locks system Door unlock ctrl Driver door key sw sig Drl relay ctrl Engine controls system Exterior lights system Flash-to-pass sw sig Fog lamp relay ctrl Front fog lamp switch sig G200 (behind upper left end of dash) Gauges fuse 4 10a Gmcm serial data Ground Headlamp hi beam relay ctrl Headlamp off sig Headlights system Hlp dimmer sw hi beam sig Horn relay ctrl Horns system Hot at all times Hot in run Hot in run or start Hot with headlamp switch in head or park I/p fuse block Ignition 1 voltage Ignition 3 voltage Instrument cluster system Interior lamp defeat sw sig Interior lamp relay coil ctrl Interior lights system Key in ignition switch Led dimming signal Left front door open switch sig Left front door unlock relay ctrl Left front turn sw sig Left seat belt switch sig Low ref Park brake switch (at base of park brake assembly) Park brake switch sig Park lamp relay ctrl Park lp fuse 5 10a Pnk Power distribution system Rap relay coil ctrl Rear compt lock mtr unlock Rear doors/lift glass switch Right front door latch switch sig Right front turn sw sig S283 Security system sensor sig Sp202 (strapped to body harness, at left center of dash) Splice pack sp200 (strapped to body harness, in center front of dash, to right of sp204) Tan Tbc fuse 10a Tow/hall switch sig Transmissions system Trunk release relay ctrl Trunk, tailgate, fuel doors system Underhood fuse block (on top of left front inner wheelwell) Vehicle speed sensor sig Warning system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Chevrolet Blazer 2005 List of elements for Computer Data Lines Wiring Diagram for Chevrolet Blazer 2005: 30 (behind right kick panel) transfer case shift control module (not used) A12 Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) Cigar ltr fuse 2 15a Class 2 serial data Data link connector (dlc) (under left side of dash) Driver information center Driver memory seat module (w/ color mirror outside) (under left front seat) Electronic brake control module (ebcm) (near left front inner fender, on brake pressure modulator valve) G105 (on rear of left cylinder head) G200 (behind upper left end of dash) Ground distribution system H (not used) Hot at all times I/p fuse block Inflatable restraint sensing & diagnostic module (under console & carpet, between front seats) Instrument panel cluster L (not used) Powertrain control module (pcm) (on right side of engine compartment) Radio S152 S276 Sp202 (strapped to body harn, at left center of dash) Splice pack sp201 (strapped to body harn, near body relay block) Transfer case shift control module (w/ two speed push button control) (behind right kick panel) Underhood fuse block (on top of left front inner wheelwell) W/ trip computer W/ two speed electronic control
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Blazer 2005 List of elements for Cruise Control Wiring Diagram for Chevrolet Blazer 2005: 52 (not used) (on rear of left cylinder head) 2 speed push button control 4wd A/t A12 A13 A14 A15 Abs fuse 22 10a Anti-lock brake system Bare Body computer system Body relay block (behind left side of dash, near dash fuse block) Brake cutout 1 Brake/clutch signal C116 (active transfer case harness to vss jumper harness, near transfer case encoder motor) Clutch start switch (on clutch pedal assembly) Cruise control module (ccm) (on left side of firewall) Cruise fuse 3 10a Cruise on/off input Cruise status Exterior lights system G104 (on rear of left cylinder head) G105 G117 (on left rear of engine compartment, near cruise control module) Ground Hot in run I/p fuse block Ignition Instrument cluster system M/t Multifunction switch Off Powertrain control module (pcm) (on right side of engine compt) R/a Resume/accel input S134 S138 (in body harness, near manual a/c blower motor resistor, 27.5 cm from manual a/c blower motor resistor breakout) S140 S152 S203 Set sw Set/coast input Sp200 (strapped to body harness, in center front of dash, to right of sp204) Stoplamp switch (on brake pedal support bracket) Underhood fuse block (on top of left front inner wheelwell) Vehicle speed input Vehicle speed sensor (vss) (rear of transfer case) Vss Vss high Vss low
DEFOGGERS Defoggers Wiring Diagram for Chevrolet Blazer 2005 List of elements for Defoggers Wiring Diagram for Chevrolet Blazer 2005: 29 (behind right side of dash) g203 (behind right side of dash) g205 (behind upper left end of dash) g202 (on right rear corner of vehicle, near c402) g420 Driver outside rearview mirror Front passenger outside rearview mirror Hot at all times Hot in run Hot in run or start Htd mir fuse 10a Hvac 1 fuse 21 10a Hvac control assembly (in center of dash) I/p fuse block Ign e fuse 10a Illum Interior lights system Nca On led Rear defogger switch Rear window defogger grid Rear window defogger relay Rr dfog fuse 30a S217 S501 S601 Splice pack sp203 (in front of ashtray, strapped to body harness) Splice pack sp204 (center of dash, left of sp200) Timer circuit Underhood fuse block (on top of left front inner wheelwell)
ENGINE PERFORMANCE
4.3L VIN X 4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Blazer 2005 List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Blazer 2005: 59 (not used) (rear of distributor) camshaft position sensor (cmp) 12v ref 3-2 sol 5 v ref 5v ref Abs fuse 22 10a Battery C red Ckp sig Class 2 data Clstr fuse 11 10a Clutch pedal position switch (on clutch pedal support bracket) Cmp sens Cpp sw Crankshaft position sensor (ckp) (on front of engine, near crankshaft pulley) Ect sens G103 (on rear of right cylinder head) G105 (on rear of left cylinder head) G105 (on rear of left cylinder head) Ground Heated oxygen sensor (bank 1 sensor 1) (in left exhaust pipe, in front of catalytic converter) Heated oxygen sensor (bank 1 sensor 2) (in exhaust system, after catalytic converter) Heated oxygen sensor (bank 2 sensor 1) (in right exhaust pipe, in front of catalytic converter) Ho2s high Ho2s low Hot in off, run or start Hot in run I/p fuse block Ign 1 Inj 1 Inj 2 Inj 3 Inj 4 ctrl Inj 5 Inj 6 Knock sensor (ks) (on top rear of engine) Ks sig Low ref Nca Off/crk/run P/n Park/neutral position switch (on left side of transmission) Pnk Powertrain control module (pcm) (on right side of engine compt) Red S100 S106 S116 S138 S152 S203 Stoplamp switch (on brake pedal support bracket) Tan Tcc sw Trans sig a Trans sw b Trans sw c Trans sw p 4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Blazer 2005 List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Blazer 2005: 34 1-2 shift sol 2-3 shift sol 3-2 shift sol A10 Automatic transmission Automatic transmission fluid pressure manual valve position switch B10 C10 Central sequential fuel injection (top right center of engine, forward of distributor) D10 D2 sw D3 sw D4 sw E10 Ecm b fuse 20a Ecm i fuse 15a Eng i fuse 10a Evaporative emission canister purge solenoid (top right center of engine) Evaporative emission canister vent solenoid (rear of fuel tank) Fuel inj Hot at all times Hot in run or start Lo sw Oxygen fuse 20a Pnk Pressure control solenoid valve Red Rev sw S133 Tan Tcc pwm sol Tcc sol Transmission fluid temperature sensor Underhood fuse block (on top of left front inner wheelwell) 4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Blazer 2005 List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Blazer 2005: 34 (under left side of dash) data link connector 12v in A11 A12 Body control module (under dash, on heater case) Ecm b fuse 20a Eng spd Engine coolant temperature (ect) sensor (left cylinder head, between two rear spark plugs) Fuel pump & sender assembly (mounted in top of fuel tank assembly) Fuel pump prime connector Fuel pump relay Fuel tank pressure sensor (at top of fuel tank) G102 (on rear of right cylinder head) G105 (on rear of left cylinder head) G402 (on left rear frame rail) Gnd Hot at all times Instrument cluster Instrument cluster system Intake air temperature sensor (left front of engine compt, fresh air intake duct) Maf sig Manifold absolute pressure (maf) sensor (on top center of engine) Mass airflow sensor (maf) (on air intake assembly) Mil input Pnk Red S152 S422 (in chassis harness, 8 cm from fuel pump & sender assembly breakout toward breakout for c104) S423 Splice pack 201 (near body relay block) Tan Tan b Throttle position (tp) sensor (on throttle body assembly) Underhood fuse block (on top of left front inner wheelwell) 4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Blazer 2005 List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Blazer 2005: 73 (not used) (on rear of right cylinder head) g103 1-2 shift 12 v ref 2-3 shift 2wd 4wd A/c clu A/c low A/c req Air conditioning system Anti-lock brakes system Axle sw C116 (m-m) Cruise control system Cruise eng Distributor Engine spd Evap purge Evap vent Fuel lev Fuel pmp rly G104 (on rear of left cylinder head) G105 (on rear of left cylinder head) G117 (on left rear of engine compt, near cruise control module) Gen f Gen t/o Ground H02s htr low High voltage coil wire Ho2s htr high Ho2s htr low Iac a hi Iac a lo Iac b hi Iac b lo Iat sens Ic timing Idle air control valve (on throttle body assembly) Ign timing sig. Ignition coil (top rear of engine) Ignition control module (on top right side of engine) Ignition feed Low ref Maf sig Map sig Mil Nca Pc sol Pnk Pnk a Powertrain control module (pcm) (on right side of engine compt) Red S106 S134 S140 S152 Spark plugs Starting/charging system Tach. sig. Tan Tank pres Tcc pwm sol Tcc sol Tft sensor Tp sens Trans sig a Trans sig c Transmissions system Vehicle speed sensor (on side of transfer case) Vss Vss hi Vss low
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Blazer 2005 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Blazer 2005: 27 (a/t) (left side of transmission) (m/t) (m/t) a (not used) B/u lp fuse 25a B11 c2 Back-up lamp switch (m/t) (left side of transmission) C b C3 a4 C3 b3 F3 c1 G450 (on left rear corner of vehicle, near c403) Hot in run or start Left backup lamp Mirrors system (automatic day/ night mirror) Park/neutral position switch (a/t) Pnk Right backup lamp S309 S419 S420 S427 Trailer wiring provision Trl b/u fuse 10a Underhood fuse block (on top of left front inner wheelwell) Veh b/u fuse 15a Exterior Lamps Wiring Diagram for Chevrolet Blazer 2005 List of elements for Exterior Lamps Wiring Diagram for Chevrolet Blazer 2005: 96 (behind right side of dash, between c203 & splice packs) g203 (behind right side of dash, between c203 & splice packs) g205 (in body harness, 10 cm before center high mounted stoplamp breakout) (in chassis harness, 8 cm from breakout to g402) s424 (in left taillamp jumper harness, 18 cm from taillamp harness pass-through, near taillamp) (in right taillamp jumper harness, 18 cm from taillamp harness pass-through, near taillamp) s418 (strapped to body harness, in center front of dash, left of sp200) sp204 A5 c3 A6 c3 B1 haz pwr a1 turn pwr c1 flshr out B11 B12 c1 B2 gnd Body control module (under dash, on heater case) Body relay block (behind left side of dash) C1 a4 C1 b6 C1 b7 C10 C2 a5 C3 e4 Center high mount stop lamp Cruise control system D1 c3 D10 c1 D11 E10 c1 E9 c1 F10 F11 Fr prk fuse 10a G111 (on left side of radiator support, near sp100) G112 (on right side of radiator support, near sp101) G402 (on left rear frame rail) G450 (on left rear corner of vehicle, near c403) Haz lp fuse 20a Hazard Head Headlamp switch Hot at all times Hot in run or start I/p fuse block Instrument panel cluster Interior lights system Left Left front marker lamp Left front park/ turn signal lamp Left rear license plate lamp Left turn in Left turn ind Lr prk fuse 10a Lt trn fuse 10a Lt turn fuse 10a Multi- function switch Nca Normal Off Park Park lamp relay Park lp fuse 20a Park rly ctrl Park/ turn signal lamps Pnk Prk lp fuse 5 10a Resistor Right Right front marker lamp Right front park/ turn signal lamp Right rear license plate lamp Right turn in Right turn ind Rr prk fuse 10a Rt trn fuse 10a S404 S405 S415 S416 S417 S419 S420 S423 S427 Sp100 (in forward lamp harness, to left rear of radiator support) Sp101 (in forward lamp harness, to right inside of radiator support) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Stop lp fuse 20a Stoplamp switch (on brake pedal support bracket) Tr chmsl fuse 10a Trailer wiring provisions Trl prk fuse 10a Trl trn fuse 10a Trr trn fuse 10a Turn fuse 20a Turn signal/hazard flasher module (behind right side of dash) Underhood fuse block (on top of left front inner wheelwell) Ve chmsl fuse 10a
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Blazer 2005 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Blazer 2005: 71 (in engine harness, between icm & map sensor breakouts, 8 cm from breakout to icm) (not used) (not used) f (w/ overhead console) ambient air temperature sensor (w/o trip) (w/ trip) (zr2) daytime running lamps (drl) relay A c2 A/c compressor clutch A/c compressor clutch diode A/c low pressure switch A/t A18 Bare Battery Body relay block (behind left side of dash, near dash fuse block) Brake fluid level switch California Chmsl relay Cruise control module Cylinder head) D12 Data link connector (dlc) Daytime running lamps (drl) relay Driver information center (dic) E16 Electronic brake control module For underhood fuse block & c104, 19.5 cm from throttle position sensor) Fuel pump relay G100 (on lower right radiator support) G101 G102 (on rear of right cylinder head) G103 (on rear of right G104 (on rear of left cylinder head) G105 (on rear of left cylinder head) G106 (on right frame rail, forward of right front wheel) G107 (on right front of engine block) G108 (on right side of radiator support, next to battery fuse) G110 (near windshield washer pump) G111 (on left side of radiator support, near sp100) G112 (on right side of radiator support, near sp 101) Headlamp power relay Heated oxygen sensor (ho2s) (bank 1 sensor 1) shield Ignition control module Inflatable restraint sensing & diagnostic module Instrument panel cluster (ipc) Left front fog lamp Left front park/ turn signal lamp Left horn M/t Mass airflow (maf) sensor Nca Park/ neutral position (pnp) switch Powertrain control module (pcm) Rear window washer fluid pump Remote control door lock receiver (rcdlr) Right front fog lamp Right front park/ turn signal lamp Right horn S106 (in engine harness, between rear heated oxygen sensors & body harness breakouts, 7 cm from breakout to heated oxygen sensor connector) S140 (in engine harness, 13 cm from vss breakout) S140 (in engine harness, 7 cm from vehicle speed sensor breakout) S152 Secondary air injection (air) pump Sp100 (in forward lamp harness, to left rear of radiator support) Sp101 (in forward lamp harness, to right inside of radiator support) Starter relay Transfer case shift control module (2 speed push button control) Underhood fuse block (on top of left front inner wheelwell) Vehicle speed sensor (vss) shield Vehicle speed sensor shield Windshield washer fluid pump Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Blazer 2005 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Blazer 2005: 59 (not used) 4 door 4wd A12 Air temperature actuator Ashtray lamp Audio amplifier Automatic transmission shift level position indicator lamp Automatic transmission shift lock actuator B12 Body control module Body relay block (behind left side of dash, near dash fuse block) Cigar lighter Connector & prndl lamp breakout, 7 cm from prndl lamp breakout) Courtesy lamp relay Data link connector (dlc) Door lock relay Door unlock relay Driver door handle switch Driver door jamb switch Driver door unlock relay Fog lamp switch Fuel pump & sender assembly G200 (behind upper left end of dash) G201 (behind upper left end of dash) G203 (behind right side of dash, between c203 & splice packs) G204 (behind right side of dash, between c203 & splice packs) G207 (near multi- function switch) G402 (pickup: on rear frame rail crossmember, near fuel filler neck ground strap utility: on left rear frame rail) Headlamp ground relay Headlamp switch Hvac control assembly Ignition key alarm switch Ignition lock cylinder control actuator Inflatable restraint steering wheel module Instrument panel cluster (ipc) Left auxiliary power outlet Left license lamp Left steering wheel control switch Nca Park switch Radio Rear wiper/ washer switch & endgate/ liftgate window release switch Right auxiliary power outlet Right license lamp Right steering wheel control switch S269 (in auxiliary power tray harness, 8.5 cm from in-line dash connector) S423 Sp202 (strapped to body harness, at left center of dash) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Tan Tow/ haul switch Trailer wiring provision Transfer case shift control switch W/ column shift W/ floor shift W/ manual a/c W/ radio controls W/o radio controls Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Blazer 2005 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Blazer 2005: 84 (2 speed electric shift control) transfer case shift control module (2 speed push button control) transfer case shift control module (8-way pwr seat) (in left door harness, between door speaker, door lock & side window switch breakout) (left power seat harness, 15 cm from c317) (w/ mem) h d (6-way pwr seat) (w/ memory) h d (6-way pwr seat) 2 speed push button control 4 door A c2 Bare Blower motor Blower motor relay C10 C309 Center high mount stop lamp Center high mount stop lamp resistor D12 D13 Driver door lock & window switch Driver door lock cylinder switch Driver heated seat assembly Driver memory seat module Driver outside rearview mirror Driver seat adjuster switch Driver seat belt switch Driver seat lumbar switch Front passenger door lock & window switch Front passenger door lock cylinder switch Front passenger heated seat assembly Front passenger outside rearview mirror Front passenger seat adjuster switch Front passenger seat belt switch Front passenger seat lumbar switch G117 (on left rear of engine compt, near cruise control module) G202 (behind upper left end of dash) G205 (behind right side of dash, between c203 & splice pack) G420 (utility: on right rear corner of vehicle, near c402 pickup: on right rear frame rail) G450 (on left rear corner of vehicle, near c403) Inside rearview mirror Left back-up lamp Left rear door jamb switch Left rear park/ turn signal lamp Left rear tail/ stop lamp Left vanity mirror lamp Liftgate release actuator Nca Outside rearview folding mirror switch Outside rearview mirror switch Overhead console Rear window defogger grid Rear window wiper cutout & liftglass ajar jamb switch Rear window wiper motor controller Relay breakout) Right back-up lamp Right rear door jamb switch Right rear park/ turn signal lamp Right rear tail/ stop lamp Right vanity mirror lamp S134 (left side of transfer case) S302 (regular cab: in dome harness, between inside air temperature sensor & left vanity mirror lamp utility: in dome harness, between inside air temperature sensor & left vanity mirror lamp breakouts, 5 cm from breakout to sensor) S313 S320 (in right power seat harness, 15 cm from c315) S404 (in body harness, 10 cm before center high mounted stoplamp breakout) S419 (in left taillamp jumper harness, 8 cm toward c403, near left taillamp harness pass-through, near taillamp) S420 (in right taillamp jumper c402, near right taillamp harness pass-through, near taillamp) S427 (crew cab pickup: in left rear body harness utility: in left rear body harness, 7 cm below left taillamp c403 breakout) S501 S601 (in right door harness) Sp204 (strapped to body harness, in center front of dash, left of sp 200) Sunroof control module Transfer case front propshaft speed sensor shield Transfer case rear propshaft speed sensor shield Turn signal/ hazard flasher module Universal garage door opener (ugdo) Vehicle speed sensor (vss) shield W/ folding power mirrors W/ heated seats W/ keyless entry W/ long console W/ power door locks W/ zm8 Window lockout switch Windshield wiper motor
HEADLIGHTS Headlights Wiring Diagram, with ZR2 for Chevrolet Blazer 2005 List of elements for Headlights Wiring Diagram, with ZR2 for Chevrolet Blazer 2005: 80 (behind right side of dash, between c203 & splice packs) g203 (on left side of radiator support, near sp100) g111 (on right side of radiator support, near sp101) g112 5v ref A11 A12 Ambient light sensor (on top left side of dash) Auto B10 B12 Battery fuse 175a Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) C1 d9 pnk Computer data lines system Daytime running lamps relay (near breakout for rear washer hose) Drl relay ctrl E10 E11 E12 E13 Exterior lights system Fog lamp ind Fog lamp relay Fog lamp switch Fog lp fuse 15a Fog rly ctrl Fog sw in Ftp Ftp in Fuse holder G102 (on rear of right cylinder head) Gauges fuse 4 10a Ground distribution system Hdlp sw fuse 7 10a Head Headlamp ctrl Headlamp power relay Headlamp switch High High beam in High beam ind High beam/ flash-to- pass switch Hot at all times Hot in on or start Hot in run or start I/p fuse block Ign Ign e fuse 10a Illum Information not available Instrument panel cluster Interior lights system Left fog lamp Left high beam headlamp Left low beam headlamp Light sensor Low Lt hdlp fuse 15a Multifunction switch (in steering column assembly) Nca Park Park brake sw Park brake switch (on base of park brake assembly) Park lamp relay Park lp fuse 20a Park rly ctrl Pnk Red Right fog lamp Right high beam headlamp Right low beam headlamp Rt hdlp fuse 15a S202 Serial data Splice pack sp100 (in forward lamp harness, to left rear of radiator support) Splice pack sp101 (in forward lamp harness, to right inside of radiator support) Splice pack sp203 (in dash harness, of ashtray, in front strapped to body harness) Tbc fuse 10a Underhood fuse block (on top of left front inner wheelwell) Headlights Wiring Diagram, without ZR2 for Chevrolet Blazer 2005 List of elements for Headlights Wiring Diagram, without ZR2 for Chevrolet Blazer 2005: 80 (behind right side of dash, between c203 & splice packs) g203 (on left side of radiator support, near sp100) g111 (on right side of radiator support, near sp101) g112 5v ref A11 A12 Ambient light sensor (on top left side of dash) Auto B10 B12 Battery fuse 175a Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) C1 b12 C11 Computer data lines system Daytime running lamps relay Drl relay ctrl E10 E11 E12 E13 Exterior lights system Fog lamp ind Fog lamp relay Fog lamp switch Fog lp fuse 15a Fog rly ctrl Fog sw in Ftp Ftp in Fuse G102 (on rear of right cylinder head) G200 (behind upper left end of dash) Gauges fuse 4 10a Hdlp Hdlp sw fuse 7 10a Headlamp ctrl Headlamp grounding relay Headlamp power relay Headlamp switch High High beam in High beam ind High beam/ flash-to- pass switch Holder Hot at all times Hot in on or start I/p fuse block Ign Illum Instrument panel cluster Interior lights system Left fog lamp Left high beam headlamp Left low beam headlamp Light sensor Low Lt hdlp fuse 15a Multifunction switch (in steering column assembly) Nca Park brake sw Park brake switch (on base of park brake assembly) Park lamp relay Park lp fuse 20a Park rly ctrl Pklp Pnk Red Right fog lamp Right high beam headlamp Right low beam headlamp Rt hdlp fuse 15a Serial data Splice pack sp100 (in forward lamp harness, to left rear of radiator support) Splice pack sp101 (in forward lamp harness, to right inside of radiator support) Splice pack sp202 (strapped to body harness, at left center of dash) Splice pack sp203 (in dash harness, of ashtray, in front strapped to body harness) Tbc fuse 10a Underhood fuse block (on top of left front inner wheelwell)
HORN Horn Wiring Diagram for Chevrolet Blazer 2005 List of elements for Horn Wiring Diagram for Chevrolet Blazer 2005: 20 A11 Battery fuse 175a Body control module (under dash, on heater case) Fuse holder G111 (on left side of radiator support, near sp100) G112 (on right side of radiator support, near sp101) Horn fuse 15a Horn relay Horn relay control Horn switch Hot at all times Left horn (in left fender well) Power distribution system Red Right horn (in right front fender well) Sp100 (in forward lamp harness, to left rear of radiator support) Sp101 (in forward lamp harness, to right inside of radiator support) Steering wheel Underhood fuse block (on top of left front inner wheelwell) W/ theft deterrent
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Blazer 2005 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Blazer 2005: 71 A10 A11 A12 Air bag ind Anti-lock brakes ind B10 B11 B12 Batt Brake ind Charge ind Check gauges ind Clstr fuse 11 10a Coolant temperature Cruise fuse 3 10a Ctsy lamp fuse 8 10a Eng spd Engine oil pressure (eop) sensor (on top rear of engine, near distributor) Exterior lights system Fuel G203 (behind right side of dash, between c203 & splice packs) G207 (near multifunction switch) Gauges fuse 4 10a Ground High beam ind Hot at all times Hot in acc, run or rap Hot in park or head Hot in run Hot in run or start Hot in run, bulb test or start I/p fuse block Ign 1 Ign 3 Illum fuse 12 10a Illumination (6 bulb) Instrument cluster Interior lights system Left turn ind Logic Low fuel ind Mil (service engine soon ind) Nca Odometer display Off/run start Oil Over speed alarm ind P r n d 3 2 1 Park sw Park switch (in steering column) Pnk Power distribution system Rdo batt fuse 19 15a Rdo ign fuse 24 10a Right turn ind S205 S310 Seat belt ind Security ind Serial data Service 4wd ind Spare ind Speedometer Splice pack sp203 (in dash harness, in front of ashtray, strapped to body harness) Tachometer Tail gate alarm ind To w/haul ind (a/t) Trip reset Upshift ind (m/t) Volt Vss Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Blazer 2005 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Blazer 2005: 65 (behind right kick panel) transfer case shift control module (in left cylinder head, between two rear spark plugs) engine coolant temperature sensor (near left front inner fender, on brake pressure modulator valve) electronic brake control module (on left rear of engine compartment, near cruise control module) g117 (on left side of transmission) park/neutral position & back-up lamp switch (on rear of left cylinder head) g104 (rear of transmission) vehicle speed sensor (under dash, on heater case) body control module 2wd 4wd A12 Air temp Ambient air temperature sensor (front center of vehicle, behind fascia) B10 Bare Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) C116 (m-m) Clr Compass sensor (w/ long console: integral to driver information center) (w/ short console: in headliner, right of overhead console) Cruise control module (on left side of firewall) Data link connector (under left side of dash) Driver information center (in front overhead console) Ect sens sig in Ect sensor in Engine controls system Fuel level sig in Fuel pump & sender assembly (on top of fuel tank) Fused batt Fused ign G105 (on rear of left cylinder head) G450 (on left rear corner of vehicle, near c403) Ground Ic logic Int lite dim Interior lights system Low ref Mil ind ctrl Parklamps Powertrain control module (pcm) (on right side of engine compt) Prndl a sig Prndl b sig Prndl c sig Prndl p sig Radio Rear window wiper cutout & liftglass ajar jamb switch (in liftgate) Red S134 S140 S152 S276 S422 (in chassis harness, 8 cm from fuel pump & sender assembly breakout, toward breakout for c104) S427 Serial data Splice pack sp200 (strapped to body harness, in center front of dash, to right of sp204) Splice pack sp201 (strapped to body harness, near body relay block) Tach out Transfer case shift control module (behind right kick panel) Underhood fuse block (on top of left front inner wheelwell) Vss high Vss in Vss low Vss sig out W/ trip computer W/o trip computer
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Blazer 2005 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Blazer 2005: 59 (in liftgate) (not used) 2 door 4 door B10 B11 B12 Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) C203 Cargo lamp Courtesy lamp Courtesy lamp relay Ctsy lamp fuse 8 10a Ctsy lamp switch sig Dome lamp Dome lmp Dome override Dr handle Driver door jamb switch Driver door sw input G11 G200 (behind upper left end of dash) G203 (behind right side of dash, between c203 & splice packs) G205 (behind right side of dash, between c203 & splice packs) G450 (on left rear corner of vehicle, near c403) Ground distribution system Headlamp switch Hot at all times I/p fuse block Inadvertent power Inadvertent power relay Int lps detent switch sig c3 Key buzzer Lamp request Left console courtesy lamp Left rear door jamb switch Liftgate jamb switch c2 Nca Power distribution system Rear window wiper cutout & liftgate ajar jamb switch Right console courtesy lamp Right door handle switch Right front door jamb c3 switch input Right rear door jamb switch S305 (in body harness, 22.5 cm before right rear door jamb switch breakout) S427 Secondary door latch switch sig Sp202 (strapped to body harness, at left center of dash) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Sp204 (strapped to body harness, in center front of dash, left of sp200) Splice pack sp203 (in dash harness, in front of ashtray, strapped to body harness) Tan To dome lamp (diagram 2 of 2) To overhead console (diagram 2 of 2) To splice s300 (diagram 2 of 2) To splice s332 (diagram 2 of 2) W/ overhead console W/o overhead console Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Blazer 2005 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Blazer 2005: 20 (w/ ec mirror) (w/o ec mirror) (w/o ec mirror) (w/ ec mirror) C301 Dome lamp Driver information center (dic) From body relay block (diagram 1 0f 2) From body relay block (diagram 1 of 2) G202 (behind upper left end of dash) Inside rearview mirror or driver information display module Inside rearview mirror or driver information display w/o overhead console Left visor vanity mirror lamp Nca Overhead console w/ sun roof Overhead console w/o sun roof Right visor vanity mirror lamp S300 (regular cab: top of left "a" pillar, in harness) (utility: right front of roof, in harness) S302 S310 S332 (in dome lamp harness, 7 cm from c300) W/ full trip Instrument Illumination Wiring Diagram for Chevrolet Blazer 2005 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Blazer 2005: 72 (in left door harness between door speaker door lock & side window switch breakout) s502 (w/ trip) (w/o trip) 2wd 4 door 4wd 6 bulbs A12 Ashtray assembly Ashtray lamp Automatic transmission shift lever position indicator (right side of shifter assembly) B12 Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) Bulbs C1 f D nca Dim Dimmer input c3 Dimming control Driver door lock & window switch Driver information center Front fog lamp switch Front passenger door lock & window switch G200 (behind upper left end of dash) G202 (behind upper left end of dash) G203 (behind right side of dash, between c203 & splice packs) G203 (behind right side of dash, between c203 & splice) G205 (behind right side of dash, between c203 & splice packs) Garage door opener Head Headlamp switch Hot at all times Hvac control assembly (in center of dash) I/p fuse block Illum fuse 12 10a Inflatable restraint steering wheel module coil (behind steering wheel, in column assembly) Input dimmer Instrument panel cluster Left steering wheel controls switch Light switch Nca Nca d Off Outside rearview mirror switch Overhead console Park Prk lp fuse 20a Prk lp fuse 5 10a Prk lps Radio Rear def switch illum Rear wiper/ washer & endgate/ liftglass window release switch Right steering wheel controls switch S205 (in dash harness, between radio & bcm connector breakouts, 8 cm from radio breakout) S283 S335 (in floor shift extension harness, between in-line connector & prndl lamp breakout, 7 cm from prndl lamp breakout) S390 S501 Sp202 (strapped to body harness, at left center of dash) Sp202 (strapped to body harness, left center of dash) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Spice pack sp203 (in dash harness, in front of ashtray, strapped to body harness) Spice pack sp204 (strapped to body harness, in center front of dash, left of sp200) Str whl ill fuse 6 2a Tow/ haul switch Transfer case shift control switch Underhood fuse block (on top of left front inner wheelwell) W/ trip W/o trip Window lockout switch (4 door)
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram for Chevrolet Blazer 2005 List of elements for Driver"s Memory Seat Wiring Diagram for Chevrolet Blazer 2005: 60 (in driver's seat) (in left power seat harness, 5 cm from seat motors breakout, toward driver seat lumbar motor) (on left rear corner of vehicle, near c403) g450 (under left side of dash) data link connector (dlc) +5 volt ref Battery b+ Body relay block (behind left side of dash, near dash fuse block) Class 2 serial data Driver memory seat module (under left front seat) Driver seat adjuster switch Driver seat front vertical motor Driver seat front vertical position sensor Driver seat horizontal motor Driver seat horizontal position sensor Driver seat rear vertical motor Driver seat rear vertical position sensor Driver seat recliner motor F vertical down ctrl F vertical down sig F vertical up ctrl F vertical up sig Front vertical Front vertical sens Fwd Ground Hall sensor Horizontal Horizontal fwd ctrl Horizontal fwd sig Horizontal rwd ctrl Horizontal rwd sig Horizontal sens Hot at all times Memory 1 sig Memory 2 sig Memory position Memory set Memory set sig Power seats circuit breaker 25a R vertical down ctrl R vertical down sig R vertical up ctrl R vertical up sig Rear vertical Rear vertical sens Recline Recline fwd ctrl Recline fwd sig Recline rwd ctrl Recline rwd sig Recline sens Red Rwd S304 S313 S315 S316 Sensor ground Splice pack sp201 (strapped to body harness, near body relay block) Tan
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Chevrolet Blazer 2005 List of elements for Power Distribution Wiring Diagram (1 of 5) for Chevrolet Blazer 2005: 56 (in air jumper harness, between g100 & breakout to engine harness, 5 cm from breakout to engine harness) (not used) A10 Acc Air fuse 30a Air relay Air sol fuse 30a B10 B11 Battery Battery fuse 175a Body control module (bcm) C10 California Central sequential fuel injection D10 E10 Ecm i fuse 15a F10 From ign b fuse (diagram 2 of 5) From ign c fuse (diagram 2 of 5) Fuel injectors Fusible link Gauges fuse 4 10a Generator I/p fuse block Ign a fuse 40a Ignition coil Ignition control module (icm) Ignition switch Inflatable restraint sensing & diagnostic module (sdm) Instrument panel cluster (ipc) Lock Multi- function switch Nca Off Pnk Powertrain control module (pcm) Red Run S105 S153 Secondary air injection reactor fuse block Secondary air injection reactor pump Sir fuse 16 15a Start Starter Starter relay To clstr fuse (diagram 4 of 5) To crank fuse (diagram 4 of 5) To eng i fuse (diagram 2 of 5) To ign c fuse (diagram 2 of 5) To rap relay (diagram 5 of 5) To s204 (diagram 5 of 5) Turn fuse 10 20a Underhood fuse block (on top of left front inner wheelwell) Power Distribution Wiring Diagram (2 of 5) for Chevrolet Blazer 2005 List of elements for Power Distribution Wiring Diagram (2 of 5) for Chevrolet Blazer 2005: 55 (on top of left front inner wheelwell) underhood fuse block A/c compressor clutch relay A/t Abs fuse 60a Air relay B/u lp fuse 25a B12 Back-up lamp switch Blower motor relay Body relay block (behind left side of dash, near dash fuse block) Chassis package D12 Daytime running lamp (drl) relay Ecm b fuse 20a Electronic brake control module (ebcm) Eng i fuse 10a Evaporative emission (evap) canister vent solenoid Evaporative emissions (evap) canister purge solenoid F12 Fog lamp relay Fog lp fuse 15a From ecm i a fuse diagram 1 of 5) From ign a fuse diagram 1 of 5) From int bat fuse (diagram 3 of 5) Fuel pump relay Haz lp fuse 20a Headlamp grounding relay Headlamp switch Heated oxygen sensor (ho2s) (bank 1 sensor 1) Heated oxygen sensor (ho2s) (bank 1 sensor 2) Heated oxygen sensor (ho2s) (bank 2 sensor 1) Hvac fuse 30a Ign b fuse 50a Ign c fuse 20a Ign e fuse 10a M/t Mass air flow (maf) sensor Multi- function switch Nca Oxygen fuse 20a Park lamp relay Park lp fuse 20a Park/ neutral position (pnp) switch Pnk Powertrain control module (pcm) Rear window defogger relay Red S100 (in oxygen sensor jumper harness, 36 cm from c100) Secondary air injection fuse block (california) Stud 2 fuse 30a To ign switch (diagram 1 of 5) To rap fuse (diagram 3 of 5) To tbc fuse (diagram 4 of 5) Trailer wiring provision (power aux) Underhood fuse block (on top of left front inner wheelwell) Power Distribution Wiring Diagram (3 of 5) for Chevrolet Blazer 2005 List of elements for Power Distribution Wiring Diagram (3 of 5) for Chevrolet Blazer 2005: 62 2 door 4 door Aux pwr fuse 13 25a Body relay block Body relay block (behind left side of dash, near dash fuse block) C301 Cargo lamp (utility) Cigar lighter Cigar ltr fuse 2 15a Ctsy lp fuse 8 10a Data link connector (dlc) Dome lamp Dome lamp (w/ sunroof) Dome lamp (w/o sunroof) Door lock relay Door unlock relay Driver door unlock relay Driver information center (dic) Driver information center (dic) (w/o trip computer) Driver memory seat module Driver seat adjuster switch Driver seat lumbar switch From abs i fuse (diagram 2 of 5) From s223 diagram 3 of 5) Front passenger seat adjuster switch G203 (behind right side of dash, between c203 & splice packs) G204 (behind right side of dash, between c203 & splice pack) Garage door opener Hdlp sw fuse 7 10a Headlamp switch I/p fuse block Inadvertent power lamp relay Instrument panel cluster (ipc) Int bat fuse 50a Left auxiliary power outlet Left console courtesy lamp Nca Power seats circuit breaker 25a (w/ power seat) Pwr lcks fuse 14 15a Radio Rap fuse 50a Rdo bat fuse 19 15a Red Right auxiliary power outlet Right console courtesy lamp S223 S268 (in auxiliary power tray harness, 9.5 cm from in-line dash connector) S269 S304 (in body harness, before breakout to left & right rear doors) S310 S311 (in left power seat harness) Sp203 (in front of ashtray, strapped to body harness) To hi beam fuse (diagram 2 of 5) To pwr lcks fuse 14 (diagram 3 of 5) To rap relay (diagram 5 of 5) Transfer case shift control module (electric shift control) Underhood fuse block (on top of left front inner wheelwell) W/ memory W/ overhead W/ overhead trip console W/o memory W/o overhead console Power Distribution Wiring Diagram (4 of 5) for Chevrolet Blazer 2005 List of elements for Power Distribution Wiring Diagram (4 of 5) for Chevrolet Blazer 2005: 72 (in engine harness, between map sensor & eop sensor breakouts, 10 cm from map sensor breakout) (in right power seat harness, 20 cm from c315) 4wd A/c compressor clutch relay A/c fuse 10a A/t Atc fuse 20a Automatic Automatic transmission shift lock actuator (w/ floor shift a/t) Body control module Body relay block (behind left side of dash, near dash fuse block) Button C175 Clstr fuse 11 10a Clutch start switch Control Crank fuse 10a D14 D15 D16 Driver door lock/ side window switch Driver heated seat assembly Driver seat lumbar switch E10 E11 E12 Electric Electric shift control F10 F12 From atc m fuse (diagram 4 of 5) From ecu b fuse (diagram 2 of 5) From ignition switch pin c1 (diagram 1 of 5) From ignition switch pin d1 (diagram 1of 5) Front passenger door lock/ window switch Front passenger heated seat assembly Front passenger seat lumbar switch Headlamp power relay Horn relay Htd seat fuse 20a I/p fuse block Instrument panel cluster (ipc) Lift- glass relay Liftglass or endgate lock cylinder switch Mir/lks fuse 3a Multi- function switch (flash to pass) Nca Outside rear view mirror switch Park/ neutral position (pnp) switch (a/t) Pnk Powertrain control module (pcm) Push Push button control Rear window defogger relay Rear window wiper motor controller Remote control door lock receiver Rr w/w fuse 15a S113 (in body harness, between blower motor & blower motor relay breakout, 13 cm from blower motor breakout) S116 S314 S321 Shift control Stop lp fuse 20a Stoplamp switch Tbc fuse 10a To a/c fuse (diagram 4 of 5) Transfer case encoder motor Transfer case shift control module Transmission Under- hood fuse block Underhood fuse block (on top of left front inner wheelwell) W/ rke Power Distribution Wiring Diagram (5 of 5) for Chevrolet Blazer 2005 List of elements for Power Distribution Wiring Diagram (5 of 5) for Chevrolet Blazer 2005: 56 (in body harness, 17 cm from sp 202) s203 (w/ trip) (w/o trip) 4 door 4wd fuse 15 10a A13 Abs fuse 22 10a Air temperature actuator Body control module Body relay block (behind left side of dash, near dash fuse block) Clutch start switch Cruise control module Cruise fuse 3 10a Driver door lock & window switch Driver information center Driver seat lumbar switch E10 Electric shift control Electronic brake control module (ebcm) Except base From 4wd fuse (diagram 5 of 5) From ignition switch pin c6 (diagram 1 of 5) From ignition switch pin d6 (diagram 1 of 5) From power seats circuit breaker (diagram 3 of 5) Front axle indicator switch Front axle vacuum solenoid (push button control) Front pas- senger seat lumbar switch Front passenger door lock & window switch (2 door) Frt wpr fuse 17 25a Hvac control assembly Hvac fuse 9 20a Hvac i fuse 21 10a I/p fuse block Inside rear view mirror (w/ automatic day/night mirror) Instrument panel cluster Multi- function switch Multifunction switch Power window circuit breaker 30a Push button control Radio Rdo ign fuse 24 10a Rear wiper/ washer switch & endgate/ liftgate window release switch (w/ rear Red Retained accessory power (rap) relay Rr wpr fuse 23 15a Sp200 (strapped to body harness, in center front of dash, to right of sp 204) Stop- lamp switch Sunroof control module Sunroof switch To heater controller connectors, 6 cm into breakout) s217 To hvac fuse (diagram 5 of 5) Transfer case shift control module Transfer case shift control switch (4wd) Window lockout switch (4 door) Window wiper system) Windshield wiper motor
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Chevrolet Blazer 2005 List of elements for Power Door Locks Wiring Diagram for Chevrolet Blazer 2005: 49 (in body harness, 6.5 cm before right rear door jamb switch breakout) s307 A5 c1 B11 Bat position vol Battery Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) Body relay block (behind left side of dash, near dash fuse block) D10 Door lock relay Door unlock relay Dr lk rly Dr unlk rly Driver door lock & window switch Driver door lock actuator Driver door unlock relay Drv dr unlk rly E10 E11 E12 F10 F12 Front passenger door lock & window switch Front passenger door lock actuator (in right front door) G105 (on rear of left cylinder head) G200 (behind upper left end of dash) Ground Hot at all times I/p fuse block Ign key switch Ignition switch & ignition key alarm switch (in steering column) Instrument cluster system Left rear door lock actuator (4 door) Liftglass/endgate lock cylinder switch (utility w/ content theft) (at top center of liftgate) Lock Mir/lck fuse 3a Mirrors system Pwr lks fuse 15a Remote control door lock receiver (rcdlr) (behind lower left side of dash) Rfa link Right rear door lock actuator (4 door) (in right rear door) S308 (in body harness, 16.5 cm before left rear door jamb switch breakout) Splice pack sp202 (strapped to body harness, at left center of dash) Tan Tbc fuse 10a Underhood fuse block (top of left front inner wheelwell) Unlock Vss W/ keyless entry
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Chevrolet Blazer 2005 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Blazer 2005: 29 A/t Air conditioning system Auto Automatic day/night mirror signal B/u lamp fuse 25a B11 Back-up lamp switch (on left side of trans- mission) C1 f Exterior lights system G202 (behind upper left end of dash) Hot in run Hot in run or start Hvac1 fuse 21 10a I/p fuse block Inside rearview mirror Left outside rearview mirror M/t Nca Off Park/neutral position (pnp) switch (on left side of transmission) Photo sensor Pnk Power & logic circuits S217 S302 S309 Underhood fuse block (on top of left front inner wheelwell) Veh b/u fuse 15a W/ ddo Power Mirrors Wiring Diagram for Chevrolet Blazer 2005 List of elements for Power Mirrors Wiring Diagram for Chevrolet Blazer 2005: 24 Body relay block (behind left side of dash, near dash fuse block) Day/night mirror circuit Down Drivers outside rearview mirror E12 Electro chromic F12 Front passenger outside rearview mirror G202 (behind upper left end of dash) Hot at all times Illum Interior lights system Left Left/ right m Mir/lcks fuse 7 5a Motor Nca Outside rear view mirror switch Pnk Power door locks system Right S501 Underhood fuse block (on top of left front inner wheelwell) Up/ down m
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Blazer 2005 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Blazer 2005: 24 Back Body relay block (behind left side of dash, near dash fuse block) Driver seat adjuster switch Driver seat front vertical motor (in bottom of seat) Driver seat horizontal motor (in driver's seat) Driver seat rear vertical motor (in driver's seat bottom) Front passenger seat adjuster switch Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Frt dn Frt up Fwd G450 (on left rear corner of vehicle, near c403) Hot at all times Nca Power seats circuit breaker 25a Rear dn Rear up S304 S311 S313 Tan Tan a 8-Way Adjustable Power Seat Wiring Diagram for Chevrolet Blazer 2005 List of elements for 8-Way Adjustable Power Seat Wiring Diagram for Chevrolet Blazer 2005: 26 Back Body relay block (behind left side of dash, near dash fuse block) Driver seat adjuster switch Driver seat front vertical motor (in bottom of seat) Driver seat horizontal motor (in driver's seat) Driver seat rear vertical motor (in driver's seat bottom) Driver seat recliner motor (in driver's seat bottom) Front passenger seat adjuster switch Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Front passenger seat recliner vertical motor Frt dn Frt up Fwd G450 (on left rear corner of vehicle, near c403) Hot at all times Power seats circuit breaker 25a Rear dn Rear up Recl fwd Recl rwd S304 S313 S320 Tan Heated Seats Wiring Diagram for Chevrolet Blazer 2005 List of elements for Heated Seats Wiring Diagram for Chevrolet Blazer 2005: 29 Cruise fuse 3 10a Driver heated seat assembly Driver heated seat module Driver seat lumbar switch Element control Front passenger heated seat assembly Front passenger seat belt switch (open when buckled) Front passenger seat lumbar switch G450 (on left rear corner of vehicle, near c403) Ground Heated seat relay Heater element seat back Heater element seat cushion Hi/lo status ind bulb Hot at all time Hot in run Htd seat fuse 20a I/p fuse block Nca Off Pnk Power distribution system S313 S314 S320 S321 Splice pack sp200 (in center front of dash, to right of sp204) Switch signal Underhood fuse block (on top of left front inner wheelwell) Lumbar Wiring Diagram for Chevrolet Blazer 2005 List of elements for Lumbar Wiring Diagram for Chevrolet Blazer 2005: 17 Body relay block (behind left side of dash, near dash fuse block) Driver seat lumbar motor (in driver's seat bottom) Driver seat lumbar switch Front passenger seat lumbar motor Front passenger seat lumbar switch G450 (on left rear corner of vehicle, near c403) Hot at all times Htd seat fuse 20a Nca Out Pnk Power seats circuit breaker 25a S311 S313 S320 S427 Underhood fuse block (on top of left front inner wheelwell)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram, Except Xtreme for Chevrolet Blazer 2005 List of elements for Power Top/Sunroof Wiring Diagram, Except Xtreme for Chevrolet Blazer 2005: 27 (not used) Body relay block (behind left side of dash, near dash fuse block) Close G202 (behind upper left end of dash) Ground Hot in acc, run & rap relay energized Ign Ls common Ls1 Ls2 Ls3 Motor close & tilt down Motor open & Nca Open Open & tilt dwn input Overhead console Power window circuit breaker 30a Red S302 Sun roof control switch Sun roof motor (in front of sun roof) Sun roof opening position switch (limit switch) (at front of sun roof assembly) Sunroof control module (at front of sun roof) Sw comm Tilt up Tilt up input close & Power Top/Sunroof Wiring Diagram, Xtreme for Chevrolet Blazer 2005 List of elements for Power Top/Sunroof Wiring Diagram, Xtreme for Chevrolet Blazer 2005: 14 +close +open Close G300 (front of headliner) Hot in acc or run I/p fuse block Nca Off Open Red Rr wpr fuse 23 15a Sun roof motor (in front of sun roof) Sun roof switch Switch illumination
POWER WINDOWS Power Windows Wiring Diagram, 2 Door for Chevrolet Blazer 2005 List of elements for Power Windows Wiring Diagram, 2 Door for Chevrolet Blazer 2005: 22 (behind right side of dash) g205 (behind upper left end of dash) g202 Body relay block (behind left side of dash, near dash fuse block) C1 f C2 c Driver door lock & window switch Driver window regulator motor Express down module Front passenger door lock & window switch Front passenger window motor Ground distribution system Hot in acc, run or retained acc power Hot w/headlamp switch in park or head position I/p fuse block Illum Left front window switch Park lp fuse 5 10a Power window circuit breaker 30a Right front window switch S501 Sp204 (in center front of dash, left of sp200) Tan Power Windows Wiring Diagram, 4 Door for Chevrolet Blazer 2005 List of elements for Power Windows Wiring Diagram, 4 Door for Chevrolet Blazer 2005: 29 (behind right side of dash) g205 (behind upper left end of dash) g202 Body relay block (behind left side of dash, near dash fuse block) C1 k C2 b Driver door lock & window switch Driver window motor Express down module Front passenger door lock & window switch Front passenger window motor G202 (behind upper left end of dash) Ground distribution system Hot in acc, run or retained acc power Hot w/headlamp switch in park or head position I/p fuse block Illum Left front window switch Left rear side window regulator motor Left rear window switch Park lp fuse 5 10a Power window circuit breaker 30a Right rear side window regulator motor Right rear window switch S306 S501 S502 Sp204 (in center front of dash, left of sp200) Tan Window lockout switch
RADIO Radio Wiring Diagram for Chevrolet Blazer 2005 List of elements for Radio Wiring Diagram for Chevrolet Blazer 2005: 65 (behind steering wheel, in column assembly) inflatable restraint steering wheel module coil (in dash harness, between radio & bcm connector breakouts, 8 cm from radio breakout) s205 A10 A11 A12 Antenna input B10 B11 B12 Body ground Coaxial cable Computer data lines system G200 (behind upper left end of dash) G203 (behind right side of dash, between c203 & splice packs) Ground Ground distribution system Hot at all times Hot in acc or run Hot in park & head Hot w/ headlamp switch in park & head I/p fuse block Illum fuse 12 10a Interior lights system Lamp sup volt 2 Led dimming signal Left front door speaker Left front speaker Left rear door speaker (4 door) left rear speaker (2 door) Left steering wheel controls switch Lf spk out (+) Lf spk out (-) Lr spkr out (+) Lr spkr out (-) Mute Nca Program Radio Radio antenna Rap fuse sup voltage Rap sup volt Rdo batt fuse 19 15a Rdo ign fuse 24 10a Request sig input Rf spkr out (+) Rf spkr out (-) Right front door speaker Right front speaker Right rear door speaker (4 door) right rear speaker (2 door) Right steering wheel controls switch Rr spk out (+) Rr spk out (-) S272 S273 S274 S275 Seek down Seek up Serial data Sp203 (in dash harness, in front of ashtray, strapped to body harness) Splice pack sp202 (strapped to body harness, at left center of dash) Str whl illum fuse 6 2a Switch backlighting Tan Vol down Vol up
SHIFT INTERLOCK Ignition Lock Solenoid Wiring Diagram, with Floor Shift for Chevrolet Blazer 2005 List of elements for Ignition Lock Solenoid Wiring Diagram, with Floor Shift for Chevrolet Blazer 2005: 11 Automatic transmission shift lock actuator (part of shift control assembly, in center floor console) Clstr fuse 11 10a G200 (behind upper left end of dash) G201 (behind upper left end of dash) Hot in run or start I/p fuse block Ignition lock cyl switch Ignition lock cylinder control actuator (on lower side of steering column) Pnk S113 Splice pack sp202 (strapped to body harness, at left center of dash) Shift Interlock Wiring Diagram, with Column Shift for Chevrolet Blazer 2005 List of elements for Shift Interlock Wiring Diagram, with Column Shift for Chevrolet Blazer 2005: 15 Automatic transmission shift lock actuator (inside steering column) B/u lp fuse 25a B12 Back-up lamp switch Btsi fuse 10a C12 G200 (behind upper left end of dash) G201 (behind upper left end of dash) Hot in run or start Park/ neutral position (pnp) switch (on left side of transmission) Pnk Splice pack sp202 (strapped to body harness, at left center of dash) Splice pack sp204 (strapped to body harness, in center front of dash, left of sp200) Stoplamp switch (on brake pedal support bracket) Underhood fuse block (on top of left front inner wheelwell) Shift Interlock Wiring Diagram, with Floor Shift for Chevrolet Blazer 2005 List of elements for Shift Interlock Wiring Diagram, with Floor Shift for Chevrolet Blazer 2005: 20 A/t shift lock actuator (part of transmission controller, in center floor console) B/u lp fuse 25a B12 Back-up lamp switch Body relay block (behind left side of dash near dash fuse block) Btsi fuse 10a Btsi solenoid C12 G200 (behind upper left end of dash) G201 (behind upper left end of dash) Hot in run & start Nca Park lock solenoid Park/ neutral position (pnp) switch (on left side of transmission) Pnk S335 Splice pack sp202 (strapped to body harness, at left center of dash) Splice pack sp204 (strapped to body harness, in center front of dash, left of sp200) Stoplamp switch (on brake pedal support bracket) Underhood fuse block (on top of left front inner wheelwell)
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Blazer 2005 List of elements for Charging Wiring Diagram for Chevrolet Blazer 2005: 27 (not used) (on right side of engine compartment) powertrain control module (pcm) A10 Batt Battery Charge indicator Class 2 Class 2 data Fuse holder Fusible link (10 ga- rust) G106 (on right frame rail, forward of right front wheel) G107 (on right front of engine block) G108 (on right side of radiator support, next to battery fuse) Generator control/ monitoring Generator field duty Generator l Hot at all times I/p fuse block Ign Instrument panel cluster Logic Rdo batt fuse 19 15a Red S276 Sound systems Splice pack sp201 (strapped to body harn, near body relay block) Starter solenoid Starting Wiring Diagram for Chevrolet Blazer 2005 List of elements for Starting Wiring Diagram for Chevrolet Blazer 2005: 42 (a/t) (m/t) (m/t) (a/t) (not used) (on rear of right cylinder head) A/t A11 Acc B stud Batt Battery Battery fuse 175a C1 c2 Clutch start switch (on clutch pedal assembly) Crank fuse 10a D11 F11 Fuse holder Fusible link (10 ga- rust) G102 G106 (on right frame rail, forward of right front wheel) G107 (on right front of engine block) G108 (on right side of radiator support, next to battery fuse) Generator Hold- in coil Hot at all times Ign a fuse 40a Ign c fuse 20a Ignition switch Lock M/t Off P/n Park/neutral position (pnp) switch (on left side of transmission) Power distribution system Pull- in coil Red Run Start Starter motor Starter relay Underhood fuse block (on top of left front inner wheelwell)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Chevrolet Blazer 2005 List of elements for Supplemental Restraints Wiring Diagram for Chevrolet Blazer 2005: 35 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag indicator Class 2 serial data Data link connector (dlc) (under left side of dash) Front signal G101 Ground High control Hot in run or start I/p fuse block Ign Ignition Inflatable restraint i/p module (right side of dash) Inflatable restraint sensing & diagnostic module (sdm) (under console & carpet, between front seats) Inflatable restraint steering wheel module (in steering wheel) Inflatable restraint steering wheel module coil (behind steering wheel, in column assembly) Instrument panel cluster (ipc) Left inflatable restraint front end discriminating sensor (on left side of front frame crossmember) Logic Low control Nca Right inflatable restraint front end discriminating sensor (on right side of front frame crossmember) S276 Shorting bar Sir fuse 15a Sound systems Splice pack sp201 (strapped to body harness, near body relay block)
TRANSMISSION A/T Wiring Diagram for Chevrolet Blazer 2005 List of elements for A/T Wiring Diagram for Chevrolet Blazer 2005: 96 (in body harness, between blower pnk (in engine harness, 13 cm from vehicle speed sensor breakout) s140 (in engine harness, between map sensor & eop sensor breakouts, 10 cm from map sensor breakout) (in engine harness, between rear heated oxygen sensors & body harness breakouts, 7 cm from breakout to heated oxygen sensor connector) s106 (left side of transfer case) s134 (on rear of right cylinder head) g103 (under dash, on heater case) body control module +5v 1-2 shift solenoid 1-2 ss 2-3 shift solenoid 2-3 ss 2wd 3-2 shift solenoid 3-2 ss 4wd 4wd low A c2 A/t fluid pressure manual valve position switch A10 A11 A12 Abs fuse 22 10a Automatic transmission B8 c2 Bare Blower motor resistor, 27.5 cm from manual a/c blower motor resistor breakout) Brk sw C116a (4wd) Cls 2 data Clstr fuse 11 10a Cruise control & anti-lock brakes systems D3, d2 D4, d2 Data link connector (under left side of dash) Ecm b fuse 20a Ecm i fuse 15a Ect sig Engine coolant temperature sensor (in left cylinder head, between two rear spark plugs) Fluid temp sensor Frt axle sw G104 (on rear of left cylinder head) G105 (on rear of left cylinder head) G117 (on left rear of engine compt, near cruise control module) Gauges fuse 4 10a Gnd Hot at all times Hot in off, run, or start Hot in run Hot in run or start I/p fuse block Ign Instrument panel cluster (ipc) Lo ref Mil (service engine soon ind) Mil ctrl Motor & blower motor relay breakout, 13 cm from blower motor breakout) s113 Nca Park/neutral position switch (lower left side of transmission) Pc sol hi Pc sol lo Pnk Powertrain control module (on right side of engine compt) Press ctrl solenoid Prnd a Prnd b Prnd c Prnd p Range b Range c Red Red a Red b Rev, lo S116 S133 S140 (in engine harness, 13 cm from vehicle speed sensor breakout) Sens gnd Solid state Splice pack sp201 (near body relay block) Stoplamp switch (on brake pedal support bracket) Tan Tcc pwm Tcc pwm solenoid Tcc sol Tcc solenoid Tft sens sig Throttle position sensor (on throttle body assembly) To icm) Tp sig Trans rng a Transfer case circuit Underhood fuse block (on top of left front inner wheelwell) Vehicle speed sensor (on right rear of automatic transmission or transfer case) Vss hi Vss lo Transfer Case Wiring Diagram, with 2-Speed Automatic Transfer Case for Chevrolet Blazer 2005 List of elements for Transfer Case Wiring Diagram, with 2-Speed Automatic Transfer Case for Chevrolet Blazer 2005: 95 (on left rear of engine compt, near cruise control module) g117 +8v ref +8v ref out 2-hi ind 4-hi ind 4-lo ind 4wd fuse 15 10a 4wd ind 4wd lo 4wd lo ind sig 4wd sw sig Atc fuse 20a Axle sw sig Bare Body relay block (behind left side of dash) C1 e5 C1 e8 C2 e7 Channel-a Channel-b Channel-c Channel-p Class ii data Class ii serial data Clutch sol sig Crank fuse 10a Data link connector (dlc) (partial) (under left side of dash) Decoder logic E10 E11 E12 E13 E14 E15 E16 Encoder motor Encoder sig rtn F10 F11 F12 F13 F14 F15 F16 Front axle indicator switch (at front axle, to right of differential) Front axle vacuum solenoid (on firewall, near windshield wiper motor) Front propshaft speed sensor (top left rear of transfer case) Ft shaft speed hi Ft shaft speed lo Fwd G105 (on rear of left cylinder head) G203 (behind right side of dash) G205 (behind right side of dash) Gauges fuse 4 10a Gnd Ground Hot at all times Hot in run Hot in run or start Hot in start I/p fuse block Ignition Illum lamps Instrument panel cluster Interior lights system Lock sol out Module ground Motor feed a Motor feed b Motor lock Nca Neutral ind Pnk Power distribution system Powertrain control module (pcm) (on right side of engine compt) Pwr Rear propshaft speed sensor (top right rear of transfer case, near rear propshaft) Red Rr shaft speed hi Rr shaft speed lo S134 (left side of transfer case) S276 Service 4wd ind Solid state Sound systems Splice pack sp200 (in center front of dash) Splice pack sp201 (near body relay block) Splice pack sp203 (in front of ashtray) Splice pack sp204 (center front of dash) Tan Transfer case encoder motor (right side of atc, below rear transfer case speed sensor connector) Transfer case shift control module (behind right kick panel) Transfer case shift control switch Underhood fuse block (on top of left front inner inner wheelwell) Underhood fuse block (on top of left front inner wheelwell) Transfer Case Wiring Diagram, with 2-Speed Selectable Transfer Case for Chevrolet Blazer 2005 List of elements for Transfer Case Wiring Diagram, with 2-Speed Selectable Transfer Case for Chevrolet Blazer 2005: 90 (a/t) pnp switch in (in dash harness, between radio & right console courtesy lamp breakouts, 4 cm from breakout to lamp) (on brake pedal support bracket) stoplamp switch (on right side of engine compt) powertrain control module (pcm) 12v battery 12v ignition (3) 2 door 2 hi request 2 hi status lamp 2wd hi indicator 2wd hi switch 4 door 4 hi request 4 hi status lamp 4 lo request 4 lo status lamp 4wd fuse 15 10a 4wd hi indicator 4wd hi switch 4wd lo in 4wd lo indicator 4wd lo selected 4wd lo switch Anti-lock brakes system Atc fuse 20a Axle sw Battery Body relay block (behind left side of dash, near dash fuse block) Btsi fuse 10a C10 C11 C12 C13 C14 C15 C16 Crank fuse 10a Cruise control system Ctsy lp fuse 8 10a D10 D11 D12 D13 D14 D15 D16 Data link connector Data link connector (dlc) (partial) (under left side of dash) Encoder channel a Encoder channel b Encoder channel c Encoder channel p Encoder channel-a Encoder channel-b Encoder channel-c Encoder channel-p Encoder ground Encoder sig ground Front axle indicator switch (at front axle, to right of differential) G203 (behind right side of dash) G205 (behind right side of dash) Ground Hot at all times Hot in park or neutral Hot in run Hot in start I/p fuse block Ignition Illumination lamp Instrument cluster system Interior lights system M shift motor Motor control a Motor control b Red S208 Solid state Splice pack sp204 (in center front of dash) Splice pack sp200 (in center front of dash) Splice pack sp200 (strapped to body harness, in center front of dash, to right of sp204) Splice pack sp203 (in front of ashtray) Splice pack sp204 (in center front of dash, left of sp200) Starting/ charging system Stoplamp switch Transfer case encoder motor (behind automatic transmission) Transfer case shift control module (behind right kick panel) Transfer case shift control switch Underhood fuse block (on top of left front inner wheelwell) Vehicle speed in Vs signal
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for Chevrolet Blazer 2005 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Chevrolet Blazer 2005: 34 (w/ rke) a b (w/o rke) A12 A5 c1 B10 Body control module (under dash, on heater case) Body relay block (behind left side of dash, near dash fuse block) C (w/ rke) (w/o rke) a Class 2 serial data D11 D12 E12 F10 G203 (behind right side of dash, between c203 & splice packs) G204 (behind right side of dash, between c203 & splice packs) G450 (on left rear corner of vehicle, near c403) Gmcm serial data Hot at all times Left door lock cylinder switch Lift glass release sw sig Liftgate/endgate lock cylinder switch (at top center of liftgate) Liftglass rel relay ctrl Liftglass relay Liftglass release actuator (in liftgate) Mir/lks fuse 3a Park brake sw sig Park brake switch (on base of park brake assembly) Powertrain control module (pcm) (on right side of engine compt) Rear wiper/washer & endgate/liftgate window release switch Remote control door lock receiver (behind lower left side of dash) S427 Splice pack sp201 (strapped to body harness, near body relay block) Splice pack sp203 (in dash harn, in front of ashtray, strapped to body harness) Underhood fuse block (on top of left front inner wheelwell)
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Blazer 2005 List of elements for Warning Systems Wiring Diagram for Chevrolet Blazer 2005: 56 (behind right side of dash, between c203 & splice packs) g203 (behind upper left end of dash) g200 A12 Auto B11 Battery Body control module (bcm) (under dash, on heater case) Chime Cruise fuse 3 10a Driver door jamb switch Driver seat belt switch (open when buckled) Exterior lights system G450 (on left rear corner of vehicle, near c403) Gauges fuse 4 10a Ground Ground distribution system Head Headlamp off sig Headlamp switch Hot at all times Hot in run Hot in run & start Hot w/ headlamp switch in park or head Hot w/ headlamp switch in park or head position rheostat controlled I/p fuse block Ignition 1 volt Ignition 3 volt Ignition key alarm switch (closed w/ key in ignition switch) Illum fuse 12 10a Inst panel fuse Instrument panel cluster (ipc) Key in ign sw Left front dr sw Left turn sig Nca Park Park lps fuse 5 10a Park lps volt Pnk Power distribution system Powertrain control module (pcm) (on right side of engine compartment) Radio Right turn sig S205 S276 S283 S313 Seat belt switch Serial data Sp200 (strapped to body harness, in center front of dash, to right of sp204) Sp201 (strapped to body harness, near body relay block) Sp202 (strapped to body harness, at left center of dash) Sp203 (in dash harness, in front of ashtray, strapped to body harness) Tan Tbc fuse 10a Underhood fuse block (on top of left front inner wheelwell)
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Chevrolet Blazer 2005 List of elements for Front Wiper/Washer Wiring Diagram for Chevrolet Blazer 2005: 21 (on left rear of engine compartment, near cruise control module) g117 F7 c2 (on rear of right cylinder head) g102 Frt wpr fuse 17 25a Ground distribution system High Hot in accy or run I/p fuse block Logic Mist Mux1 Mux2 Off Pulse Red S118 Underhood fuse block (on top of left front inner wheelwell) Washer switch Windshield washer fluid pump (in washer fluid reservoir, on left front of eng compt) Windshield wiper motor (on center of firewall) Wiper switch Wiper/ washer switch (part of multi- function switch) Rear Wiper/Washer Wiring Diagram for Chevrolet Blazer 2005 List of elements for Rear Wiper/Washer Wiring Diagram for Chevrolet Blazer 2005: 20 (no connection) (on left rear corner of vehicle, near c403) g450 G102 (on rear of right cylinder head) Ground distribution system High Hot at all times Hot in accy & run I/p fuse block Logic Low Off Rear window washer fluid pump (left front of engine compartment) Rear window wiper cutout & liftglass ajar jamb switch (in liftgate) Rear window wiper motor controller (part of rear window wiper motor) Rear wiper/washer switch & endgate/liftgate window release switch Rr w/w fuse 15a Rr wpr fuse 23 15a S427 Underhood fuse block (on top of left front inner wheelwell) Washer switch
