AIR CONDITIONING A/C Wiring Diagram for Chevrolet Blazer 1997 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO List of elements for A/C Wiring Diagram for Chevrolet Blazer 1997: (cut wire) (i/p harn, 39 cm right of cluster breakout) (i/p harn, 5 cm from relay center breakout) (i/p harness, 6cm into breakout for hvac controller) (rear of compressor) A tan A/c clutch diode A/c comp fuse 14 10a A/c compressor clutch A/c compressor clutch relay (center rear of engine compartment) A/c compressor cycling switch (right rear of engine) A/c high pressure cutout switch A/c on input Bi-lv Blend Blower motor Blower motor relay (right rear of engine compartment) Blower resistors (right rear of engine compartment) Blower switch Clutch control Cycling switch input Def G114 (left rear of engine) G117 (right rear of engine) Gauges fuse 4 20a Hot at all times Hot in run Hot in run, bulb test or start Htr Htr a/c fuse 6 20a Hvac control assembly I/p fuse block Max Mode switch Nca Norm Off Pnk Red S103 (engine harness, 7.5 cm from compressor breakout) S106 (engine harness, 4 cm from generator breakout) S118 (i/p ext harness, 40 cm from breakout to blower motor resistors) S209 S215 S221 S224 (i/p harn, 7 cm right of relay center breakout) S225 (i/p harn, 7 cm right of relay center breakout) S241 (front of dash harn, 6 cm right of steering column breakout) S244 (dash harness, 26cm right of steering column breakout) Tan Temperature selector Temperature valve motor (right side of bulkhead) Vehicle control module (right side of engine compartment) Vent
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Chevrolet Blazer 1997 List of elements for Anti-lock Brake Wiring Diagrams for Chevrolet Blazer 1997: (dash harn, 11 cm into tcc/stoplamp sw breakout) (dash harn, 19 cm right of steering column breakout) (front of dash, 8 cm into data link connector breakout) (left side of i/p) (right radiator support) Abs ind Abs lamp control Axle sw Brake fuse 10a Brake ind Brake lamp control Brake pressure modulator valve (left rear of engine compt) Brake pressure warning switch Brake sw Brake sw input Data link connector Diode module (above steering column) Ebcm ground Front axle switch (on front axle) G109 Gauge fuse 10a Ground Hot at all times Hot in run Hot in run or start I/p fuse block Ign Instrument cluster Left front wheel speed sensor Lft frt sensor (+) Lft frt sensor (-) Pnk Pump motor power Red Right front wheel speed sensor Rt frt sensor (+) Rt frt sensor (-) S213 S227 S229 S238 S239 S243 Serial data line Tan Vehicle control module (right side of engine compt) Vehicle speed sensor (left side of transmission) Vss Vss (+) Vss (-) Vss input
COMPUTER DATA LINES Computer Data Lines for Chevrolet Blazer 1997 List of elements for Computer Data Lines for Chevrolet Blazer 1997: (right rear engine, on head) B11 Data link connector (below left side of i/p) Diag Driver information display center (bravada only) (overhead console) G117 Hot at all times I/p fuse block Inflatable restraint diagnostic energy reserve module (behind right kick panel) Prog enable Pwr aux fuse 7 25a Remote control door lock receiver (lower left side of i/p) S218 S227 (front of dash, 8 cm into dlc breakout) S230 S244 Serial data Tan Transfer case shift control module (behind center of i/p) Vehicle control module (right side of engine compt)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Blazer 1997 List of elements for Cruise Control Wiring Diagram for Chevrolet Blazer 1997: (i/p harn, 7cm from radio breakout) (left rear of engine compt) (s238: frt of dash harn, 11 cm into tcc brake and cruise control release switch breakout) 4000 pulses/mile A/t A12 A13 A14 A15 Brake fuse 12 10a Clutch pedal position switch (clutch pedal Cruise control module Cruise on input Cruise status Cruise switch Disengage input G114 (rear of left cylinder head) Ground Hot in run Hot in run, bulb I/p fuse block Ignition M/t Nca Off R/a Resume/accel input S212 S219 S227 S233 S238 S297 Set sw Set/coast input Stop/haz fuse 1 20a Support) Tcc brake and cruise control release switch (brake pedal support) Test or start Turn signal switch Vehicle control module (right side of engine compt) Vehicle speed input Vehicle speed sensor (vss) Vss return Vss signal
DEFOGGERS Defogger Wiring Diagram for Chevrolet Blazer 1997 List of elements for Defogger Wiring Diagram for Chevrolet Blazer 1997: (right "d" pillar near taillamps) g998 (right rear cylinder head) g117 Gauges fuse 4 10a Hot at all times Hot in run and start I/p fuse block Illum Interior lights system Nca Off On indicator Pnk Pnk e Rear defogger Rear defogger switch Rear window defogger switch Rr defog fuse 8 30a S210 S213 Solid state timer
ENGINE PERFORMANCE 4.3L 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Blazer 1997 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Blazer 1997: (oxygen sensor harn, 10cm from 4-pin conn joining oxygen sensor extension harn) (rear of right cylinder head) (top right center of engine) evaporative emissions canister purge solenoid valve (upper left side of throttle body) idle air control valve motor 1-2 shift sol. ctrl 2-3 shift sol. ctrl 3-2 ctrl sol. ctrl A/c comp rly ctrl Air conditioning system Anti-lock brakes system Cam posit sens rtn Cam posit sens sig Camshaft position sensor (side of distributor) Crank posit sens sig Crankshaft position sensor (behind right side of engine crankshaft pulley) Ect sens input Egr posit input Egr valve ctrl Evap can vent valve Evap sol purge ctrl G114 (rear of left cylinder head) G117 Hall effect sensor Iat temp sens sig Idle air ctrl (iac) a hi Idle air ctrl (iac) b lo Inj no.1 ctrl Inj no.2 ctrl Inj no.3 ctrl Inj no.4 ctrl Inj no.5 ctrl Inj no.6 ctrl Knock sens sig Knock sensor (top left rear of engine) Left front heated oxygen sensor Left sens hi Left sens lo Map sens input Mass air flow sens Nca Pnk Pnk c Pnk pnk pnk pnk pnk Post-catalyst sens hi Post-catalyst sens lo Power Pre-catalyst sens hi Pre-catalyst sens lo Pre-converter heated oxygen sensor Rear whl speed out Right front heated oxygen sensor Right sens hi Right sens lo S106 S112 S140 S317 S318 Tan Tcc on/off sol. ctrl Tcc pwm sol ctrl Throttle posit sens Trans temp sens sig Twisted wire pair Vapor press Vcm ground Vehicle control module (vcm) (right side of engine compt) Vehicle speed sensor (rear of transmission) Vss rtn Vss signal
4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Blazer 1997 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Blazer 1997: 1-2 shift sol. 2-3 shift sol. 3-2 control sol. Automatic transmission Automatic transmission fluid pressure manual valve position switch D2 sw D3 sw D4 sw Ecm ign fuse 10 20a Eng fuse 5 20a Evaporative emission canister vent valve (near fuel tank) Exhaust gas recirculation valve (top front of engine) Fuel inj. no.1 Fuel inj. no.2 Fuel inj. no.3 Fuel inj. no.4 Fuel inj. no.5 Fuel inj. no.6 Hot in run or start I/p fuse block Lo sw Nca Pnk Pnk pnk pnk tan Post-converter heated oxygen sensor Pressure control solenoid valve Red Rev sw S105 S107 Tan Tcc on/off sol. Tcc pwm sol. Transmission fluid temperature sensor
4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Blazer 1997 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Blazer 1997: (eng harn, 6cm from linear egr valve sol breakout) (eng harn, 8cm from generator breakout) (left rear of chassis on crossmember) g416 12v in 5v ref Ecm batt fuse 9 20a Engine coolant temperature sensor (top front of engine, in thermostat housing) Fuel level sensor/ fuel pump (inside fuel tank) Fuel pump prime connector (left rear of engine compt) Fuel pump relay Fuel pump switch/ engine oil pressure gauge sensor (near distributor) Fuel tank vapor pressure sensor G114 (rear of left cylinder head) G117 (rear of right cylinder head) Gauge input oil pressure Gauges fuse 4 10a Gnd Hot at all times Hot in off, run or start Hot in run or start I/p fuse block Input fuel gauge Input odometer speedometer & Instrument cluster Intake air temperature sensor (left front of engine compt) Maf sig Malfunction indicator lamp (mil) Manifold absolute pressure sensor (top right side of engine) Mass air flow sensor (maf) (left front of engine compt) Pickup Pnk Red Relay center (left side of i/p) Rtn S100 (eng harn, 30cm from vcm breakout) S101 S102 S106 S108 S209 S213 pnk S220 S241 S250 (dash harn, 13cm from 4wd ind breakout) S266 Shift indicator (w/ m/t) Tachometer input Tan Tan a Throttle position sensor Trans fuse 24 10a Utility Vapor
4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Blazer 1997 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Blazer 1997: (i/p harn, 21cm from 6-pin conn breakout at right side of i/p) (rear of left cylinder head) (rear of right cylinder head) 4wd f whl lock in 4wd low ind sig 5v ref b 5v ref. voltage 5v return A/c request (hi) A/c request (lo) Air conditioning system Anti-lock brakes system Brake switch input Bravada Check eng lp out Cpp sw in Cruise control system Cruise control system, sound system & transfer case circuit Cruise engaged sig Data link connector (dlc-partial) (lower left side of i/p) Distributor (top rear of engine) Driver's information display center Electronic ignition control module (top right of engine) Est output sig Front axle switch (right of differential) Fuel level buffer module (under glove box) Fuel level d Fuel level mod out Fuel level rtn Fuel pump rly ctrl Fused ign (run) Fused ign (run/start) G114 G117 Gauge ctrl l Ground High voltage coil wire Hot in run I/p fuse block Ign timing sig. Ignition coil (top right side of engine) Ignition feed M4 brake fuse 12 10a n3 Mod out m Pnk Pnk a Power a Power b(+) Press ctrl sol lo Press ctrl sol. hi Red S109 S227 (front of dash, 8cm from data link connector breakout) S238 (dash harn, 11cm from tcc brake switch breakout) S239 S298 Sensor in c Serial data sig Service circuit-power Shift ind ctrl Spark plugs Tach. sig. Trans press sig-bit 1 Trans press sig-bit 2 Trans press sig-bit 3 Transfer case circuit Utility Vehicle control module (vcm) (right side of engine compt) Vss in Vss sig
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Blazer 1997 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Blazer 1997: (left side of transmission) backup lamp switch A/t G999 (left "d" pillar, near tail lamps) Hot in run, bulb test or start I/p fuse block Left backup lamp M/t Park/neutral position (pnp) switch (left side of transmission) Pnk Right backup lamp S401 (body harness, near taillamp harness breakout) S419 S420 Trailer wiring provision Turn b/u fuse 16 15a
Exterior Lamps Wiring Diagram for Chevrolet Blazer 1997 List of elements for Exterior Lamps Wiring Diagram for Chevrolet Blazer 1997: (dash harness, 8cm left of steering column harness breakout) s236 (dash harness, left rear of engine compartment) s234 (on brake pedal support bracket) Auxiliary lead (taped near junction block) Backup lamps circuit Center high mounted stop lamp (chmsl) Cruise control system G108 (left radiator support) G109 (right radiator support) G117 (rear of right cylinder head) G416 (inside left rear frame rail) G999 (left "d" pillar, near tail lamps) Hazard Hazard flasher Head Headlamp switch Hot at all times Hot in run, bulb test or start I/p fuse block In-line fuse 30a Instrument cluster Interior lights system Junction block (left rear engine compt) Left front marker lamp Left front park/ turn lamp Left tail/ stop/ turn lamp Left turn Left turn indic License lamp Nca Normal Off Ohms Park Pk lps fuse 3 20a Pnk Power distribution center Power distribution center (behind center of dash) Rear lamps harn, behind right tail- lamps assembly) s418 Red Right front marker lamp Right front park/ turn lamp Right tail/ stop/ turn lamp Right turn Right turn indic S120 S122 (forward lamp harn, 6cm right of left head- lamp brkout) S123 (forward lamp harness, 6cm left of left headlamp breakout) S125 (forward lamp harn, 7cm left of right head- lamp brkout) S126 S206 (i/p harness, 25cm right of i/p cluster harness breakout) S210 S222 S228 (body harness, left rear of engine compartment) S400 S402 (body harn, 6cm above left tail- lamp harn breakout) S404 S405 (body harness, 10cm left of dome lamp breakout) S415 (rear lamps harness, behind left taillamps assembly) S416 (rear lamps harness, behind right taillamps assembly) S417 (rear lamps harness, behind left taillamps assembly) S419 S420 Stop haz fuse 1 20a Tcc/stop lamp switch Trailer wiring provision Turn b/u fuse 16 15a Turn flasher Turn- hazard switch
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Chevrolet Blazer 1997 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Chevrolet Blazer 1997: (body harness, 18 cm forward of rear doors) (body harness, 26 cm rear of rear door breakout) (body harness, below driver's seat) (crossbody harness, 19 cm left of module breakout) (cut wire) (diagram 2 of 2) (forward lamp harness, 7 cm right of left headlamp breakout) (front of dash harness, 17 cm right of bulkhead grommet) (front of dash harness, 25 cm right of bulkhead grommet) (left front door harness, 17 cm from crossbody harness) (right front door harness, 17 cm from crossbody harness connector) 2 door w/o liftgate 4 door w/o liftgate 7 cm left of breakout to right radiator support ground) A/c compressor cycling switch A/c request voltage drop resistor A12 Automatic transmission indicator position lamp Base Battery Brake pressure modulator valve Brake pressure warning switch Brake transmission shift interlock solenoid C10 Cigarette lighter D10 D12 D13 Data link connector Door Door lock relay Driver's information display module Drl relay Endgate window release switch Four wheel drive indicator switch G108 (left radiator support) G109 (right radiator support) G114 (rear of left cylinder head) G117 (rear of right cylinder head) G117 (right rear cyl. head) G118 (right front frame) G123 (right rear of engine compt) G125 (below water pump) I/p compartment lamp Ignition switch Inflatable restraint diagnostic energy reserve module Instrument cluster Interior lamps control module Left auxiliary power outlet Left door lock and side window switch (w/rke) Left front door handle switch Left front side door jamb switch Left horn Left inflatable restraint discriminating sensor Left low beam headlamp (w/ composite lamps) Left park/turn lamp Left rear side door jamb switch Left sun shade mirror lamp Mass air flow sensor Nca Non-base Outside remote control rear view mirror switch Panel dimmer switch Rear rear window washer pump Rear window defogger switch Rear window wiper motor Rear window wiper/ washer switch Rear windshield washer pump Relay center Remote control door lock receiver Right auxiliary power outlet Right front door handle switch Right front door lock and side window switch Right front side door jamb switch Right headlamp (w/ sealed beam lamps) Right high beam headlamp (w/ composite lamps) Right horn Right inflatable restraint discriminating sensor Right low beam headlamp (w/ composite lamps) Right park/turn lamp Right rear side door jamb switch Right sun shade mirror lamp S120 S126 S210 (i/p harness, 43 cm right of instrument cluster breakout) S229 S230 S246 (front of dash harness, 37 cm right of steering column breakout) S262 S302 S306 S319 S501 Side window lockout switch (w/ rke) Steering column shift lever actuator Sun roof Sun roof relay To g117 (diagram 2 of 2) To g999 Transfer case shift control module Under- hood lamp Vehicle control module W/ liftgate Windshield washer pump Windshield wiper pulse control module
Ground Distribution Wiring Diagram (2 of 2) for Chevrolet Blazer 1997 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Chevrolet Blazer 1997: (bravada) (engine harness, 7 cm from a/c compressor and high pressure cut out switch breakout) (engine harness, near center of safety wall) (exc. bravada) (i/p harness, 39 cm right of instrument cluster breakout) (liftgate harness, 4 cm from rear washer pump connector) (rear lamps harness, 4 cm from breakout for right backup lamp) A/c compressor A/c compressor clutch diode Air temperature valve electric actuator Ambient air temperature sensor Base 4 door w/o liftgate Blower motor Blower motor relay C4 a Cruise control module Data link connector Daytime running lamps control module Driver information center Electronic ignition control module Endgate jamb switch Fog lamp switch From ignition switch (diagram 1 of 2) Fuel level sensor w/ fuel pump Fuel pump relay G108 (left radiator support) G114 (left rear of engine, below exhaust manifold) G117 (right rear of engine, on head) G416 (left rear of chassis frame, on crossmember) G998 (right "d" pillar, near taillamps) G999 (left "d" pillar, near taillamps) Heater and a/c controller or heater controller High mounted stop lamp High mounted stop lamp resistor High mounted stoplamp relay I/p ashtray lamp Inflatable restraint diagnostic energy reserve module Instrument cluster Left backup lamp Left fog lamp Left front heated oxygen sensor Left power seat actuator assembly Left power seat back lumbar support motor Left rear lower park/ turn signal lamp Left rear side door jamb switch Left rear upper park/ turn signal lamp Liftgate ajar switch Liftgate lock actuator Park/neutral position and backup lamp switch Post- converter heated oxygen sensor Power distribution center Pre- converter heated oxygen sensor Radio Rear license lamp Rear window defogger Relay center Right backup lamp Right fog lamp Right front heated oxygen sensor Right power seat back lumbar support motor Right rear lower park/ turn signal lamp Right rear upper park/ turn signal lamp S103 S112 (engine harness, 38 cm left of connector breakout to left frame rail) S118 (i/p extension harness, 40 cm from blower motor resistor breakout) S209 S244 (front of dash harness, 26 cm right of steering column breakout) S304 (body harness, 13 cm into left rear door breakout) S400 (body harness, 6 cm from endgate harness breakout) S419 (rear lamps harness, 4 cm from breakout for left backup lamp) S420 S904 Safety belt retractor switch Seat belts, ignition key and lamps alarm Starter relay Steering column ground Trailer wiring provision
HEADLIGHTS Headlight Wiring Diagram, with Composite Headlamps for Chevrolet Blazer 1997 List of elements for Headlight Wiring Diagram, with Composite Headlamps for Chevrolet Blazer 1997: (fog lamp harn, 4cm from left fog lamp breakout) s139 (forward lamp harn, 13cm right of left headlamp breakout) (forward lamp harn, 4cm right of front windshield washer pump breakout) (front of dash harn, 4cm left of steering column breakout) s237 (or tan) Acc B6 b6 Bravada Bravada only Bulb test C206 C211 Daytime running lamps module (between hvac module and glove box) Daytime running lamps relay (relay center) Drl indi- cator Drl relay ctrl Drl/fog fuse 15 20a E11 E12 E13 Except bravada Fog lamp relay (relay center) Fog lamp switch Fog lamps G108 (left radiator support) G108 (left upper radiator support) G109 (right radiator support) G112 (4 cyl.) (left side of engine below exhaust manifold) G112 (4 cyl.) (left side of engine) G114 (6 cyl.) (rear of right cylinder head) Gauges fuse 4 10a Ground Head Headlamp dimmer switch Headlamp switch Headlamps on in Hi-beam in Hi-beam indicator High beam indi- cator Hot at all times Hot in run, bulb test or start I/p fuse block I/p wiring diode module (above steering column) Ign (batt) Ignition switch Illum lamp Instrument cluster Instrument cluster system Interior lights system Left fog lamp Left head- lamp Lock Off On indicator Park Park brake in Park brake warning switch (on park brake) Pnk Right fog lamp Right head- lamp Run S120 S121 S124 S126 S202 (i/p harn, 6cm into headlamp sw breakout) S206 (i/p harn, 25cm right of cluster breakout) S209 S210 S213 S230 Start Tan W/ fog lamps
Headlight Wiring Diagram, with Sealed Beam Headlamps for Chevrolet Blazer 1997 List of elements for Headlight Wiring Diagram, with Sealed Beam Headlamps for Chevrolet Blazer 1997: (fog lamp harn, 4cm from left fog lamp breakout) s139 (or tan) Acc B6 b6 Bravada Bravada only Bulb test C206 C211 Daytime running lamps module (between hvac module and glove box) Daytime running lamps relay (relay center) Drl indi- cator Drl relay ctrl Drl/fog fuse 15 20a E11 E12 E13 Except bravada Fog lamp relay (relay center) Fog lamp switch Fog lamps G108 (left upper radiator support) G109 (right radiator support) G112 (4 cyl.) (left side of engine below exhaust manifold) G112 (4 cyl.) (left side of engine) G114 (6 cyl.) (rear of right cylinder head) Gauges fuse 4 10a Ground Head Headlamp dimmer switch Headlamp switch Headlamps on in Hi-beam in Hi-beam indicator High beam indi- cator Hot at all times Hot in run, bulb test or start I/p fuse block I/p wiring diode module (above steering column) Ign (batt) Ignition switch Illum lamp Instrument cluster Instrument cluster system Interior lights system Left fog lamp Left headlamp Lock Off On indicator Park Park brake in Park brake warning switch (on park brake) Pnk Right fog lamp Right headlamp Run S126 S202 (i/p harn, 6cm into headlamp sw breakout) S206 (i/p harn, 25cm right of cluster breakout) S209 S210 S213 S230 S237 (front of dash harn, 4cm left of steering column breakout) Start Tan W/ fog lamps
HORN Horn Wiring Diagram for Chevrolet Blazer 1997 List of elements for Horn Wiring Diagram for Chevrolet Blazer 1997: C 1995 vftc Ctsy fuse 2 20a G108 (left radiator support) G109 (right radiator support) Horn relay Horn switch (contact plunger switch) Hot at all times I/p fuse block Left horn (high a note) (left fender well) Relay center (behind i/p compartment box) Right horn (low f note) (right fender well) S119 (battery harness, 18 cm from positive battery terminal) S120 S126 S208 Steering column
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Blazer 1997 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Chevrolet Blazer 1997: (4 cyl) (6 cyl) (i/p harn, 7 cm into radio breakout) (mil) (right side engine compt) (right side of engine compt) powertrain control module (right side of engine) ignition coil +5v 4 cyl. 510 ohm 6 cyl. Air bag ind. Anti-lock brakes system Anti-lock brakes warning ind. Battery ind. Brake ind. Check gages ind. Check gages lamp driver Drl ind. Engine coolant temperature sender (lower left side of engine) Engine coolant temperature sensor (top front of engine) Exterior lights system Fuel gauge Fuel lev Fuel lev out Fuel lev rtn Fuel lev sig Fuel level buffer module (below i/p) Fuel pump & sender (in fuel tank) Fuel pump/ oil pressure switch & sender (4 cyl.-right side of engine) (6 cyl.-near distributor) Fuse block: i/p G114 G117 Gauges fuse 4 10a Head- Headlights Headlights system Hi beam ind. Hot at all times Hot in run Hot in run, bulb test or start Ign Illumination lights (7-bulbs) Instrument cluster Interior lights system Left rear of eng compt) (4-cyl Left turn ind. Light switch Mil ctrl Off Oil gauge Park/ neutral position switch Pnk Powertrain control module Powertrain control module (right side engine compt) Prndl circuit board Rear of right cyl. head) (6-cyl Right turn ind. S109 (4 cyl) s112 (6 cyl) S202 (i/p harn, 6 cm from head lamp switch) S209 S210 S212 S213 Safety belt ind. Sens gnd Service engine soon ind. Shift ind. Shift lamp ctrl Solid state speedo/ tach Starting/ charging system System Tach out Tan Temp gauge Trans fuse 24 10a Vehicle control module Vehicle control module (right side of engine compt) Volt meter Vss out Warning system
Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Blazer 1997 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Chevrolet Blazer 1997: (left side eng compt) 4 cyl. 6 cyl. A/t Acc Brake pressure modulator valve Brake pressure warning switch (left rear engine compt) Bulb check Bulb test Daytime running lights module (above steering column) Diode module (above steering column) G109 (right radiator support) G114 (left rear of engine, below ckp sensor) G117 (rear of right cylinder head) Ignition switch Liftgate release solenoid (inside endgate) Lock M/t Nca Off Park brake warning switch (at park brake pedal) Run S229 S230 S230 (front of dash harness, left rear of engine compt) Start
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 3) for Chevrolet Blazer 1997 List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Chevrolet Blazer 1997: (behind lower left side of dash, near parking brake) (crossbody harness, 13 cm right of speaker extension harness breakout) (crossbody harness, 6 cm from connector at center of dash) (i/p harness, 4 cm right of cigarette lighter breakout) (left front door harness, 11 cm from crossbody harn. conn.) (right rear cyl. head) (right rear engine, on head) 4 door only B c2 Base Battery C c2 Courtesy switch Ctsy fuse 2 20a Dome lamp Except base F c1 G117 Gauges fuse 4 10a Grd Handle switch input Head Headlamp switch Hot at all times Hot in run or start I/p compartment lamp I/p fuse block Ign Interior lamps control module Lamp control Left console courtesy lamp Left door handle switch Left front door lock and side window switch Left front side door jamb switch Left front side door lock actuator Light switch Off Outside remote control rear view mirror switch Panel dimmer switch Park Park lps fuse 3 20a Pnk Right console courtesy lamp Right door handle switch Right front door lock and side window switch Right front side door jamb switch Right front side door lock actuator S208 S210 S230 S235 (front of dash harness, 35 cm right of bulkhead grommet) S241 S242 S249 S257 (front of dash harness, 17 cm right of bulkhead grommet) S261 S262 S276 S279 S501 S502 Side window lockout switch To cargo lamps (diagram 3 of 3) To dome/map lamps (diagram 2 of 3) To sunshade mirror lamps (diagram 2 of 3) Underhood lamp W/ interior lamps control module
Courtesy Lamps Wiring Diagram (2 of 3) for Chevrolet Blazer 1997 List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Chevrolet Blazer 1997: (right rear cyl head) Dome lamp Driver's information display center From ctsy fuse 2 (diagram 1 of 3) From panel dimmer switch (diagram 1 of 3) G117 Hot in accy or run I/p fuse block Inside rearview mirror Instrument cluster system Left front map lamp Left map/ dome lamp Left rear map lamp Left sunshade mirror lamp Map lamps Map/dome lamp relay Off Radio fuse 11 20a Right front map lamp Right map/ dome lamp Right rear map lamp Right sunshade mirror lamp S207 S300 (dome lamps harness, 71 cm rear of sunshade mirror breakout) S301 S302 S303 W/ driver's information display center w/ sunroof W/ driver's information display center w/o sunroof W/ sunshade and rear view mirror lamps
Courtesy Lamps Wiring Diagram (3 of 3) for Chevrolet Blazer 1997 List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Chevrolet Blazer 1997: (body harness, 19 cm rear of rear doors breakout) s305 (left "d" pillar, near taillamps) (liftgate harness, 4 cm from liftgate lock actuator) 2 door w/ endgate 4 door w/ endgate 4 door w/ liftgate Cargo lamp Endgate liftglass jamb switch Endgate lock switch From ctsy fuse 2 (diagram 1 of 3) From panel dimmer switch (diagram 1 of 3) G999 Left rear side door jamb switch Liftgate ajar switch Liftgate liftglass jamb switch Off Right rear side door jamb switch S230 S306 S319 S400 S403 S904 S905 W/ rear wiper W/o rear wiper
Instrument Illumination Wiring Diagram for Chevrolet Blazer 1997 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Blazer 1997: (3) bulbs (7) bulbs (i/p harness, 18 cm right of instrument cluster breakout) s205 (left rear engine-below crankshaft sensor-2.2l, left of rear of engine-below exhaust manifold-4.3l) Automatic transmission position indicator lamp (floor shift a/t) Center Dim Display dim signal Drivers information display center (bravada) Endgate window release switch Exterior lights system, courtesy lamps circuit Fog lamp switch Four wheel driver indicator switch G114 Ground Head Headlamp switch Headlights system Heater controller or heater and a/c controller High Hot at all times I/p ashtray lamp I/p fuse block Illum fuse 23 10a Instrument cluster Interior lights dim Interior lights feed Light switch Lights on input Nca Off Panel dimmer switch Park Pk lps fuse 3 20a Power distribution Power distribution system Prndl circuit board Radio Rear window defogger switch Rear window wiper and washer switch S206 (i/p harness, 25 cm right of instrument cluster breakout) S209 S210 S244 S246 Seat belts, ignition key and lamps alarm
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Chevrolet Blazer 1997 List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Blazer 1997: (body harness, driver's floor pan area) s282 (crossbody harness, near door lock relay breakout) (crossbody harness, right side of dash) (engine harness, 13 cm from break- out to connector at left rear of eng. compt.) s108 (front of dash harness, 13 cm right of steering column breakout) (i/p harness, 20 cm from fuse block) s200 (i/p harness, 4 cm into power distri- bution breakout) s222 (i/p harness, 5 cm left of relay center breakout) s218 (i/p harness, 6 cm into relay center breakout) (i/p harness, right side of dash) s299 2 door 2.2l 4 door 4.3l 4wd fuse 19 20a Battery Blower motor relay D14 D15 Data link connector (dlc) Daytime running lamps relay Door lock relay Drl/fog fuse 15 20a Ecm batt fuse 9 20a Electronic brake control module Except base pickup Fog lamp relay Fuel pump relay Fuel pump switch and oil pressure gauge sensor Generator Hazard lamp flasher Head Headlamp switch I/p fuse block Junction block Left auxiliary power outlet Left door lock and side window switch Left power seat actuator assembly Left power seat lumbar support switch Off Park Pickup Pk lps fuse 3 20a Powertrain control module (pcm) Pwr acc circuit breaker a 30a Pwr aux fuse 7 25a Radio Rdo batt fuse 13 10a Rear window wiper motor Red Remote control door lock receiver Right auxiliary power outlet Right door lock and side window switch Right power seat lumbar support switch S220 S242 S251 (front of dash harness, 29 cm right of 4wd ind. breakout) S253 S263 S268 Seat belts, ignition key and lamps alarm Starter relay Starter solenoid Stop-haz fuse 1 20a Tcc brake and cruise control release switch To i/p fuse block (diagram 4 of 4) To ignition switch (diagram 2 of 4) To ignition switch (diagram 3 of 4) Transfer case shift control module Underhood lamp Utility Vehicle control module (vcm) W/ electronic shift 4wd only
Power Distribution Wiring Diagram (2 of 4) for Chevrolet Blazer 1997 List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Blazer 1997: (front of dash harness, 13 cm into transfer case control module breakout) s254 (front of dash harness, 18 cm from tcc brake and cruise control release switch) s239 (front of dash harness, 4 cm to right of transfer case control module breakout) s255 (i/p harness, 31 cm right of instrument cluster breakout) s207 (i/p harness, 5 cm right of relay center breakout) s221 (left front door harness, 19 cm from window switch connector) s503 (olds) d (others) b 2 door 20a 4 door 4.3l A13 Accy Air temperature valve electric actuator All except base pickup Block Brake fuse 12 10a Brake pressure modulator valve Bulb test C211 Cruise control module Driver information display control module From fusible link (diagram 1 of 4) Heater and a/c controller or heater controller Htr a/c fuse 6 20a I/p fuse Ignition Inside rearview mirror Left door lock and side window switch Lock Map/ dome lamp relay Multi- function switch Nca Off Pickup Pwr wdo circuit breaker b 30a Radio Radio fuse 11 Rear window wiper/ washer switch Red Right door lock and side window switch Run S204 S254 Side window lockout switch Start Sunroof console Switch Tcc brake and cruise control release switch Utility Vehicle control module W/ overhead console W/o overhead console Windshield wiper pulse control module Wiper fuse 17 25a
Power Distribution Wiring Diagram (3 of 4) for Chevrolet Blazer 1997 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Blazer 1997: (body harness, 74 cm from dash harness connector) s266 (engine harness, 12 cm left of a/c pressure sensor breakout) (engine harness, 15 cm from dash harness breakout) (engine harness, 7 cm from breakout to steering column connector) (engine harness, right rear of engine compt) (front of dash harness, 3 cm from inflatable restraint diagnostic energy reserve module) (fuel injector harness, 3 cm from inj 3 breakout) c3 (i/p harness, 4 cm left of cigarette lighter breakout) (in front of dash harness, 6 cm to right of steering column breakout) s241 (interior lights system) (oxygen sensor jumper, near right frame rail) (pickup-crossbody harness, 4 cm left of speaker ext. harness breakout, utility- front of dash harness, 45 cm from derm conn.) 2.2l 4.3l A/c compressor relay A/t A/t only A10 Accy Air bag fuse 22 10a Automatic transmission B10 Backup lamp switch Brake transmission shift interlock solenoid Bulb test C211 Camshaft position sensor Clutch pedal position switch and cruise control shutoff switch Crank fuse 20 10a Crankshaft position sensor D16 D5 nca Daytime running lamps control module Daytime running lamps relay Distributor ignition control module Ecm ign fuse 10 20a Electronic ignition control module Eng fuse 5 20a Evaporative emissions canister purge solenoid Evaporative emissions canister vent solenoid valve Evaporative emissions canister vent valve solenoid Exhaust gas recirculation valve Four-wheel drive indicator switch From fusible link (diagram 1 of 4) Front axle switch Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Fuel level buffer module Gauges fuse 4 10a I/p fuse block Ignition coil Ignition switch Illum fuse 23 10a Inflatable restraint arming sensor Inflatable restraint diagnostic energy reserve module Instrument cluster Interior lamps control module Interior lights system Left front heated oxygen sensor Lock M/t M/t w/ electric shift 4wd M/t w/o electric shift 4wd Mass airflow sensor Off Panel dimmer switch assembly Pnk Pnk a Pnk b Pnk b2 Pnk c5 Pnk c6 Pnk d Pnk e Pnk f Post converter heated oxygen sensor Post- converter heated oxygen sensor Powertrain control module Pre- converter heated oxygen sensor Rear window defogger switch Red Remote control door lock receiver Right front heated oxygen sensor Run S105 S107 S128 S213 S219 S219 (i/p harness, 8-13 cm into relay center breakout) S317 Seat belts, ignition key and lamps alarm Start Trans fuse 24 10a Transfer case select switch Transfer case shift control module Transmission range switch Turn b/u fuse 16 15a Turn signal lamp flasher Vehicle control module (4.3l) Vehicle control module (vcm) W/ rke W/o rke
Power Distribution Wiring Diagram (4 of 4) for Chevrolet Blazer 1997 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Blazer 1997: (2.2l) g112 (4.3l) g117 (blazer/jimmy) (body harness, 13-34 cm above left taillamp harness breakout) s403 (body harness, 8 cm into left rear door breakout) s303 (bravada) (front of dash harness, 15 cm right of crossbody harness breakout) s249 (i/p harness, 35 cm to right of instrument cluster breakout) s208 (left side of engine) (right rear of engine) (utility crossbody harness, right side of dash) s257 A/c comp fuse 14 10a A/c compressor relay Base Cargo lamp Cigarette lighter Ctsy fuse 2 20a Dome lamp Dome lamp and high mounted stop lamp Driver information display center Endgate lock switch or liftgate lock switch Endgate window release switch From fusible link (diagram 1 of 4) Horn relay I/p compartment lamp I/p fuse block Inside rear view mirror Inside rearview mirror Interior lamps control module Interior lamps control module (w/o rke) Left front console courtesy lamp Left of speaker extension harness breakout) s257 Left sunshade mirror lamp Nca Outside remote control rear- view mirror switch Outside remote control rearview mirror switch Pickup Rear window defogger switch Red Remote control door lock module Remote control door lock receiver (w/ rke) Right front console courtesy lamp Right sunshade mirror lamp Rr defog fuse 8 30a S210 Utility
POWER DOOR LOCKS Door Lock Wiring Diagram for Chevrolet Blazer 1997 List of elements for Door Lock Wiring Diagram for Chevrolet Blazer 1997: (body harness, 26cm forward of rear door breakout) s307 (crossbody harn, 19cm left of rke module conn breakout) s265 Ctsy fuse 2 20a Door lock relay (behind right side of dash) E Endgate lock switch (optional) Hot at all times I/p fuse block (left side of dash) Left door lock/ window switch Left front door lock actuator Left rear door lock actuator Lock Pwr accy c.b. 20a Right door lock/ window switch Right front door lock actuator Right rear door lock actuator S246 S251 S252 (dash harness, 36cm from 4wd indicator breakout) S256 (dash harness, 1cm right of outside air valve breakout) S263 S264 (crossbody harn, 7cm left of dash harness breakout) S267 (body harness, 67cm from dash harness connectors) S281 (crossbody harness, 13cm right of speaker extension harn breakout) S308 (body harness, 6cm rear of rear door breakout) S314 Tan Unlock
Keyless Entry Wiring Diagram for Chevrolet Blazer 1997 List of elements for Keyless Entry Wiring Diagram for Chevrolet Blazer 1997: Batt (b+) Ctsy fuse 2 20a Data link connector (under left side of dash) Dome lamps Door jamb sw Door lock relay (behind right side of dash, above blower plenum) Driver dr unlk G114 (left rear of cylinder head) Gauges fuse 4 10a Ground Hot at all times Hot in run, or start I/p fuse block (left side of dash) Ignition Interior lights system Left door lock/ window switch Left front door lock actuator Left rear door lock actuator Liftgate rel pwr Liftgate release Liftgate/endgate lock switch Lock Lock out Pnk Program sig Pwr accy c.b. 20a Remote control door lock receiver (behind lower left side of dash, near parking brake assembly) Right door lock/ window switch Right front door lock actuator Right rear door lock actuator S208 S241 S251 S252 (dash harn, 36cm right of 4wd indicator breakout) S256 (crossbody harn, 7cm into rke module breakout) S262 S263 S264 (crossbody harn, 7cm left of dash harness breakout) S267 (body harn, 67cm from dash harn connectors) S281 (crossbody harn, 13cm right of speaker extension harness breakout) S307 (body harness, 26cm forward of rear door breakout) S308 (body harness, 6cm rear of rear door breakout) Tan Trunk, tailgate, fuel doors system Unlock Unlock out
POWER MIRRORS Power Mirror Wiring Diagram for Chevrolet Blazer 1997 List of elements for Power Mirror Wiring Diagram for Chevrolet Blazer 1997: (ex sport utility w/o pwr door locks) s504 (sport utility w/o pwr door locks) s262 Ctsy fuse 2 20a Down G114 (left rear of engine) Hot at all times I/p fuse block Illumination Interior lights system Left Left outside rearview mirror Left/ right motor Motor Outside remote control rear view mirror switch Right Right outside rearview mirror S257 S504 S605 Up/ down m
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Blazer 1997 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Blazer 1997: Back Down Entire seat For- ward Forward/ rearward motor Front height Front height motor G114 (left rear of engine) Hot at all times I/p fuse block Power seat control switch Pwr accy circuit breaker a 20a Rear height Rear height motor S266 S267 Tan
Lumbar Wiring Diagram for Chevrolet Blazer 1997 List of elements for Lumbar Wiring Diagram for Chevrolet Blazer 1997: G117 (rear of right cylinder head) Hot at all times I/p fuse block Left power lumbar support switch Power accy circuit breaker a 20a Pump Red Right power lumbar support switch S244 S267
POWER WINDOWS Power Window Wiring Diagram, 2 Door for Chevrolet Blazer 1997 List of elements for Power Window Wiring Diagram, 2 Door for Chevrolet Blazer 1997: (2.2l pickup: below ckp sensor) (2.2l utility: below exhaust manifold) (4.3l pickup: rear of left cyl head) (4.3l utility: rear of right cyl head) C2 k Express down module G114 (pickup) g112 (2.2l utility) g117 (4.3l utility) Hot in run I/p fuse block (left side of i/p) Illumination lamp Interior lights system Left door lock & side window switch Left front window motor Left front window switch Pwr wdo circuit breaker b 30a Right door lock & side window switch Right front window motor Right front window switch S254 S501 Tan
Power Window Wiring Diagram, 4 Door for Chevrolet Blazer 1997 List of elements for Power Window Wiring Diagram, 4 Door for Chevrolet Blazer 1997: (2.2l: below exhaust manifold) (4.3l: rear of right cyl head) (body harn, 13cm into left rear door breakout) (olds: dome lamps harn, 4cm from inside rear view mirror breakout) (except olds: dome lamps harn, 11cm into sunshade mirror breakout) C1 k Express down module G112 (2.2l) g117 (4.3l) Hot in run I/p fuse block (left side of i/p) Illum Illum- ination lamp Illumination Interior lights system Left front door lock & side window switch Left front window motor Left front window switch Left rear window motor Left rear window switch Pwr wdo circuit breaker b 30a Right front door lock & side window switch Right front window motor Right front window switch Right rear window motor Right rear window switch S278 S304 S501 S503 Side window lockout switch Tan
RADIO 4-Speaker System Wiring Diagram for Chevrolet Blazer 1997 List of elements for 4-Speaker System Wiring Diagram for Chevrolet Blazer 1997: 2.2l 4.3l Antenna Antenna input Bat power Coaxial cable Disp dim signal G115 (rear of engine) Ground Hot at all times Hot in accy or run I/p fuse block Instrument cluster system Interior lights system Left front speaker Left rear speaker Lt frt spkr Lt rear spkr Panel light Power Powertrain control module Radio Radio fuse 11 20a Rdo-bat fuse 13 10a Right front speaker Right rear speaker Rt frt spkr Rt rear spkr S207 S209 S212 Tan Vehicle control module Vss
6-Speaker System Wiring Diagram for Chevrolet Blazer 1997 List of elements for 6-Speaker System Wiring Diagram for Chevrolet Blazer 1997: 2.2l 4.3l Antenna Antenna input Bat power Coaxial cable Disp dim signal G115 (rear of engine) Ground Hot at all times Hot in accy or run I/p fuse block Instrument cluster system Interior lights system Left front door speaker Left front i/p tweeter speaker Left rear speaker Lt frt spkr Lt rear spkr Panel light Power Powertrain control module Radio Radio fuse 11 20a Rdo-bat fuse 13 10a Right front door speaker Right front i/p tweeter speaker Right rear speaker Rt frt spkr Rt rear spkr S207 S209 S212 S272 S273 S274 S275 Tan Vehicle control module Vss
SHIFT INTERLOCKS Shift Interlock Wiring Diagram, With Column Shift for Chevrolet Blazer 1997 List of elements for Shift Interlock Wiring Diagram, With Column Shift for Chevrolet Blazer 1997: 2.2l 4.3l G102 (rear of right cylinder head) G104 (left rear of cylinder head) G113 (left rear of engine compt) G115 (left rear of engine) G116 (left side of engine, below exhaust manifold) Hot in run, bulb test, or start I/p fuse block Nca Park/neutral position and back- up lamp switch (left side of trans) Pnk S109 S112 S230 Steering column shift lever actuator (on column) Tcc brake and cruise control release switch (on brake pedal support bracket) Transfer case shift control module (behind cen- ter of i/p) Turn b/u fuse 16 15a W/ 4wd
Shift Interlock Wiring Diagram, With Floor Shift for Chevrolet Blazer 1997
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Blazer 1997 List of elements for Charging Wiring Diagram for Chevrolet Blazer 1997: (4.3l-below water pump, 2.2l-right fwd engine block) (right front frame) (right radiator support) Battery Battery indicator lamp G109 G118 G125 (4.3l) g120 (2.2l) Gauges fuse 4 10a Generator Hot in run, bulb test or start I/p fuse block Instrument cluster Ohms Pnk Power distribution system Red S213 Starting circuit
Starting Wiring Diagram for Chevrolet Blazer 1997 List of elements for Starting Wiring Diagram for Chevrolet Blazer 1997: (2.2l-left side of engine, 4.3l-left rear of engine, below exhaust manifold) (front of dash harness, 27 cm right of bulkhead grommet) (left side of trans) transmission range switch (right front frame) (right radiator support) A/t Accy Battery Battery junction block Bulb test Clutch pedal position and cruise control shutoff switch (clutch pedal bracket) Crank fuse 20 10a G109 G112 (2.2l) g114 (4.3l) G118 G125 (4.3l) g120 (2.2l) Generator Hold- in coil I/p fuse block Ignition switch Inflatable restraint diagnostic energy reserve module Lock M/t Off Power distribution system Pull- in coil Red Run S109 S232 S258 Start Starter motor Starter relay (center rear of engine compt.) Starter solenoid Transfer case shift control module
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Chevrolet Blazer 1997 List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Blazer 1997: (806) (dash harn, near breakout to airbag mod) s260 (dash harn, near grommet at left rear of eng compt) s233 A/t A10 A11 A12 Air bag fuse 22 10a Air bag warning lamp Arming sensor (left side frame rail, near center crossmember) B10 B11 B12 Clutch pedal position switch (on pedal support) Crank fuse 20 10a Crank input Data link connector (behind left side of i/p) Diagnostic energy reserve module (derm) (behind right kick panel) Diagnostic requst in Driver 36 vlr Driver sense high Driver sense low Driver source sense G112 (left side of engine) G114 (left rear of engine) Gauges fuse 4 10a Ground Hot in run, bulb test or start Hot in start I/p fuse block Ignition Instrument cluster Left forward discriminating sensor (left side of lower radiator support) M/t Nca Pnk Redundant indic, ign Right forward discriminating sensor (right side of lower radiator support) S213 (i/p harn, near breakout to cigar lighter) S232 (dash harn, near grommet at left rear of eng compt) S244 (dash harn, right of steering column) S245 (dash harn, right of steering column) Safety belt switch Seat belt monitor Shorting bar Sir coil assembly (top of steering column) Sir indic low Starting/charging system (starter relay) Steering wheel inflator module (mounted on steering wheel) Tan Warning systems (audio alarm)
TRANSMISSION 4.3L 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for Chevrolet Blazer 1997 List of elements for 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for Chevrolet Blazer 1997: (behind left side of dash) (eng harn, 19 cm from inj harn breakout) s115 (twisted wire pair) 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 3-2 shift sol 3-2 sol ctrl 5v reference All times And start Anti-lock brakes system Automatic transmission (4l60-e) Battery feed Brake fuse 12 10a Brake pressure modulator valve, cruise control module & cruise control switch Brake signal Cruise control system Data link connector (partial) (below left side of dash) Ecm batt Ecm ign fuse 10 20a Ect signal Electronic ignition control module, crankshaft position sensor, ignition coil & fuel injectors) Engine controls system Engine coolant temperature sensor (thermostat housing) Fuel pump relay Fuel pump switch/ engine oil pressure gauge sensor Fuse 9 20a G114 (rear of left cylinder head) G117 (rear of right cylinder head) Gauges fuse 4 10a Hot at Hot in Hot in run Hot in run, bulb I/p fuse block Ignition feed Instrument cluster Malfunction indicator lamp Mil ctrl Park pawl actuator (w/ a/t) & instrument cluster Park pawl actuator (w/ floor shift) or instrument cluster (w/ column shift) Pickup Pnk Press ctrl so hi Press ctrl sol lo Pressure control solenoid Range signal-a Range signal-b Range signal-c Red Rev Run Run feed S100 (eng harn 30 cm from vcm breakout) S106 S108 S140 S220 S227 (dash harn, approx 8 cm from data link conn breakout) S238 (dash harn, approx 11 cm from tcc brake & cruise control rel sw breakout) S239 S266 Sensor ground Serial data Shield System gnd Tan Tcc brake & cruise control release switch (on brake pedal bracket) Tcc pwm sol Tcc pwm sol ctrl Tcc sol Tcc sol ctrl Test or start Tft signal Throttle position sensor Tp signal Trans fuse 24 10a Transmission fluid temperature sensor Transmission range pressure switch assembly Utility Vehicle control module (right side of engine compt) Vehicle speed sensor (on transmission-2wd) (on transfer case-4wd) Vss hi Vss lo
Electronic Transfer Case Wiring Diagram for Chevrolet Blazer 1997 List of elements for Electronic Transfer Case Wiring Diagram for Chevrolet Blazer 1997: (a/t only) (a/t) 4wd lo selected (a/t) pnp switch in (p) (dash harn, 20 cm from breakout of 23-pin conn behind right side of dash) s259 (m/t only) (w/ m/t only) 12v battery 12v ignition 2 hi request 2 hi status lamp 2wd hi indicator 2wd hi switch 4 hi request 4 hi status lamp 4 lo request 4 lo status lamp 4wd fuse 19 20 a 4wd hi indicator 4wd hi switch 4wd lo in 4wd lo indicator 4wd lo switch A/c compressor relay & inflatable restraint diagnostic energy reserve module Anti-lock brakes system Axle sw in C10 C11 C12 C14 C16 Chassis ground Crank fuse 20 20a Cruise control system D10 D12 D13 D14 D15 D16 Data link connector Data link connector (partial) (lower left side of dash) Electronic shift transfer case Encoder channel a Encoder channel b Encoder channel c Encoder channel d Encoder channel-a Encoder channel-b Encoder channel-c Encoder channel-d Encoder ground Encoder signal ground Front axle switch (on front axle) Fuel level buffer, daytime running lamps relay, instrument cluster & rear window defogger switch G117 (rear of right cylinder head) Gauges fuse 4 10a Gnd Head- lamp switch Hot at all times Hot in run or start Hot in start I/p fuse block (left end of dash) Motor control a Motor control b Motor ground Park/neutral position & backup lamp switch Pk lps fuse 3 20a Pnk Pnp switch in (a/t) Pnp switch in (m/t) Power ground Radio Red S112 S212 (i/p harn, approx 7 cm from radio breakout) S213 S241 S242 S246 S253 Starting/ charging system (w/ m/t) Tcc brake & cruise control switch Transfer case select switch Transfer case shift control module (behind center of dash) Transmission range switch (left side of transmission) (a/t only) Turn b/u fuse 16 15a Turn signal lamp flasher Under- hood lamp Vehicle control module (right side of engine compt) Vehicle spd out Vehicle speed in Vss in
TRUNK, TAILGATE, FUEL DOOR Rear Glass Release Wiring Diagram for Chevrolet Blazer 1997 List of elements for Rear Glass Release Wiring Diagram for Chevrolet Blazer 1997: (dash harn, 15 cm right of crossbody harn breakout) (w/ elec shft 4wd) s277 A/t Ctsy fuse 2 20a D16 Door locks system Endgate lock switch or liftgate lock switch (inside liftgate/ endgate) Endgate window release actuator G117 (right rear cylinder head) Hot at all times Hot with headlamp switch in park or head I/p fuse block Illum fuse 23 10a Instru- ment cluster system Left front side door lock actuator (rear of left front door) Liftgate window release actuator Lock M/t Nca Park brake warning switch Pnp sw input Rear hatch endgate window release switch or rear hatch liftgate window release switch Red Remote control door lock receiver (w/ rke only) (behind lower left side of i/p, near park brake) S112 S205 S208 S210 S259 (w/ rke) S403 Transfer case shift control module (w/ np1 only) (behind center of i/p) Transmission range switch (part of park neutral pos- ition and back- up lamp switch) Unlock W/ endgate W/ liftgate Window release output
WARNING SYSTEMS Warning System Wiring Diagrams for Chevrolet Blazer 1997 List of elements for Warning System Wiring Diagrams for Chevrolet Blazer 1997: 2.2l eng 4.3l eng Fasten belts output G112 (left side of engine, below exhaust manifold) G114 (left rear of engine) G117 (right rear of engine, on head) G123 (right rear of engine compt) Gauges fuse 4 10a Ground Hot at all times Hot in park or head Hot in run and start I/p fuse block Ignition key alarm switch Ignition on input Illum fuse 21 10a Instrument cluster Key-in warning Left front side door jamb switch Lights on input Nca Pnk Power input S109 S112 S205 S209 S210 S213 S222 S244 S245 (dash harn, 28 cm right of steering column breakout) Safety belt lamp Safety belt retractor switch Seat belt input Seat belts, ignition key, and lamps alarm (power distribution center) Stop haz fuse 1 20a Tan
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Chevrolet Blazer 1997 List of elements for Front Wiper/Washer Wiring Diagram for Chevrolet Blazer 1997: (left radiator support) (left rear of engine) C 1995 vftc G108 G114 Hot in acc or run I/p fuse block Low Mist Off Pnk Pulse S120 S230 Solid state Washer switch Windshield washer pump (left front of engine compt, in washer reservoir) Windshield wiper motor & module (center rear of engine compt) Wiper fuse 17 25a Wiper switch Wiper/ washer switch
Rear Wiper/Washer Wiring Diagram for Chevrolet Blazer 1997 List of elements for Rear Wiper/Washer Wiring Diagram for Chevrolet Blazer 1997: G108 (on left radiator support) G117 (rear of right cylinder head) Hot at all times Hot in accy or run I/p fuse block Interior lights system Off Pk lps fuse 3 20a Radio fuse 11 20a Rear window washer pump (above left front wheel well) Rear window wiper cutout switch (center of liftgate) Rear window wiper motor and module (center of liftgate) Rear wiper/ washer switch S120 S207 S210 S242 (w/ electric shift) S306 Wash Wipe
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