Diagram sections — 30 (54 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING
2.2L 2.2L VIN F, Compressor Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, Compressor Wiring Diagram for Oldsmobile Alero GLS 2002: 17 (front of engine compt) A/c bfc fuse 37 10a A/c compressor clutch A/c compressor clutch diode A/c compressor clutch relay A/c press sig A/c refrigerant pressure sensor Compressor clutch relay control Computer data lines system G103 (lower front of engine) Hot in run & start Low ref Powertrain control module (pcm) (below left side of dash) Serial data class 2 Splice pack sp103 Underhood fuse block (in left side of engine compartment, on strut tower) Volt ref
3.4L 3.4L VIN E, Compressor Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Compressor Wiring Diagram for Oldsmobile Alero GLS 2002: 17 (front of engine compt) A/c bfc fuse 37 10a A/c compressor clutch A/c compressor clutch diode A/c compressor clutch relay A/c press sig A/c refrigerant pressure sensor Compressor clutch relay control Computer data lines system G103 (lower front of engine) Hot in run & start Low ref Powertrain control module (pcm) (below left side of dash) Serial data class 2 Splice pack sp103 Underhood fuse block (in left side of engine compartment, on strut tower) Volt ref
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Oldsmobile Alero GLS 2002 List of elements for Anti-lock Brake Wiring Diagrams for Oldsmobile Alero GLS 2002: 75 (2.4l) (2.4l) (3.4l) (3.4l) (oldsmobile) (pontiac) A10 A11 A12 Abs fuse 4 50a Abs ind Abs/evo/ign fuse 40 15a B10 B11 Battery Body control module (bcm) (behind right side of dash) Brake fluid level switch (on master cylinder reservoir) Brake ind Brake pressure modulator valve Brk fluid lev sens sig C10 C11 Class 2 serial data Data link connector (dlc) (below dash, left of steering column) Electronic brake control module (ebcm) (inside left front fender) Electronic power steering system F12 G103 (lower front of engine) (left side of engine, on transmission stud) G202 G203 Ground Hot at all times Hot in run or start Ignition Instrument panel cluster Interior lights system Ipc/hvac batt fuse l 10a J e Left front wheel speed sensor Left i/p fuse block (behind left side of dash) Left rear wheel speed sensor Lf whl spd sens low Lf whl spd sens sig Low ref Low trac ind Lr whl spd sens low Lr whl spd sens sig Nca Oldsmobile Pnk Pontiac Powertrain control module (pcm) (below left side of dash) Pump motor Red Rf whl spd sens low Rf whl spd sens sig Right front wheel speed sensor Right rear wheel speed sensor Rr whl spd sens low Rr whl spd sens sig Serial data Splice pack sp103 Splice pack sp202 (left side of dash) Splice pack sp203 (left side of dash) Stop lamp supp Stop lamp switch (below left side of dash) Stop lps fuse j 20a Str whl pos sens (5v) Str whl pos sens sig Tan Trac cntl sw Trac off ind Traction control switch Underhood fuse block (in left side of engine compt, on strut tower) Var eff str act cntl Var eff str act supp
ANTI-THEFT Anti-theft Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Anti-theft Wiring Diagram for Oldsmobile Alero GLS 2002: 66 (4-cyl) (6-cyl) (oldsmobile) (pontiac) A/c-bfc fuse 37 10a A10 B10 B11 Battery + voltage Bfc battery fuse f 10a Body control module (below right side of dash) C (oldsmobile) C (oldsmobile) (pontiac) C1 f3 C11 Class 2 serial data D (pontiac) Data Data link connector (below left side of dash) Dr lock/unlock sig Driver door lock switch G202 (left side of dash) G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) Gnd Ground Headlamp rly ctrl Headlights system Horn relay ctrl Horns system Hot at all times Hot in acc, on or start Hot in on & start Ignition 0 voltage Ignition 1 voltage Ignition lock cylinder Instrument cluster Instrument cluster system Ipc/bfc acc fuse i 10a Left front door jamb switch Left front door lock switch Left i/p fuse block Left i/p fuse block (on left side of dash) Left rear door ajar switch Lf door sw sig Passenger front door lock switch Passlock sensor (part of ignition switch) Pnk Powertrain control module (pcm) (below left side of dash) Rear compartment lid release switch Remote control door lock receiver (rcdlr) (on rear package shelf) Rf door sw sig Right front door jamb switch Right front door lock switch Right i/p fuse block Right rear door ajar switch Sec sensor lo ref Security indicator Security sensor sig Splice pack sp202 Splice pack sp301 Splice pack sp302 Trunk release relay Trunk rly ctrl Trunk switch sig Underhood fuse block (left side of engine compt)
BODY COMPUTER Body Computer Wiring Diagrams for Oldsmobile Alero GLS 2002 List of elements for Body Computer Wiring Diagrams for Oldsmobile Alero GLS 2002: 81 (oldsmobile) A/c bfc fuse 37 10a A/c request sig A/c system A10 A11 A12 Ambient light sensor (top of dash trim pad) Anti-lock brake system Anti-theft system B10 B11 B12 Battery fuse voltage Battery positive voltage Bfc batt fuse f 10a Body control module (behind right side of dash) Class 2 serial data Computer data lines system Coolant level switch (right side of engine compt) Courtesy lamp low ctrl Cruise control system Cruise ctrl cancel sig Cruise fuse e 10a Door lock ctrl Door lock lock/unlock sig Door locks system Door unlock ctrl Driver lock relay unlock Driver seat belt sw sig Drl ambient light sen low ref Drl ambient light sensor sig Drl rly ctrl Exterior lights system Fog lamp rly ctrl Front fog lamp sw sig G101 (left front shock tower) G202 (left side of dash) Ground Headlamp beam-high Headlamp beam-low Headlamp low beam rly ctrl Headlights system Horn rly ctrl Horns system Hot at all times Hot in acc, on or start Hot in on or start Hot in run Ignition 0 voltage Ignition 3 voltage Int lps fuse g 10a Interior lights system Ipc/bfc acc fuse i 10a Key-in ign sw sig Left front door ajar sw sig Left i/p fuse block Low coolant level ind ctrl Oil change/tpm reset sw sig Oil/ tire reset switch Park brake sw sig Park brake switch Park lamp rly ctrl Park lamp sw sig Pnk Power distribution center Right frt door ajar sw sig Right i/p fuse block Security syst sensor sig Security syst sensor sup volt Security system sensor low Splice pack sp101 Splice pack sp202 Traction control sw sig Trunk release rly ctrl Trunk release sw sig Trunk release system Underhood fuse block Warning system Washer fluid level sensor (inside left front fender) Windshield washer fluid level
COMPUTER DATA LINES Computer Data Lines for Oldsmobile Alero GLS 2002 List of elements for Computer Data Lines for Oldsmobile Alero GLS 2002: 23 2.4l 3.4l A12 Body control module (bcm) (behind right side of dash) Data clss 2 Data link connector (dlc) (below dash, left of steering column) Electronic brake control module (ebcm) (inside left front fender) G102 (left side of engine) G201 (left side of dash) Hazard switch Hot at all times Inflatable restraint sensing diagnostic module (sdm) (under right front seat, below carpet) Instrument panel cluster (ipc) Ipc/hvac batt fuse 10a Left i/p fuse block (behind left side of dash) Left i/p fuse block (behind left sideof dash) Olds Pontiac Powertrain control module (below left side of dash) Radio Remote control door lock receiver (rcdlr) (on rear package shelf) Splice pack sp102 Splice pack sp201
COOLING FAN
2.2L 2.2L VIN F, Cooling Fan Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, Cooling Fan Wiring Diagram for Oldsmobile Alero GLS 2002: 27 A10 A11 B10 C10 C11 Cool fan 1 fuse 8 30a Cool fan 1 relay Cool fan 2 fuse 52 15a Cool fan 2 relay Cool fan mode relay Cooling fan (left) Cooling fan (right) D10 D11 E10 Ect sensor Engine coolant temperature (ect) sensor (right rear of engine) F11 G10 G103 (lower front of engine) High speed fan control Hot at all times Low ref Low speed fan control Powertrain control module (pcm) (below left side of dash) Splice pack sp103 Underhood fuse block (in left side of engine compartment, on strut tower)
3.4L 3.4L VIN E, Cooling Fan Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Cooling Fan Wiring Diagram for Oldsmobile Alero GLS 2002: 32 (in left side of engine compt, on strut tower) underhood fuse block A10 A11 B10 B12 C10 C11 C12 Cool fan 1 fuse 30a Cool fan 1 relay Cool fan 2 fuse 15a Cool fan 2 ground fuse 55 30a Cool fan 2 relay Cool fan mode relay Cooling fan (left) Cooling fan (right) D10 D11 E10 Ect sensor Engine controls system Engine coolant temperature (ect) sensor (right rear of engine) F11 G10 G103 (left side of engine, on transmission stud) High speed fan control Hot at all times Low ref Low speed fan control Powertrain control module (pcm) (below left side of dash) S101 (inj harn, top of engine) Splice pack sp103
CRUISE CONTROL Cruise Control Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Cruise Control Wiring Diagram for Oldsmobile Alero GLS 2002: 49 (2.4l vin t) (3.4l vin e) A/t Alero only B12 B4 c1 Body control module (behind right side of dash) Brake input 1 Brake input 2 Cancel Clutch pedal position switch (m/t) (above clutch pedal, on bracket) Cpp switch sig (m/t) Cruise cancel sig Cruise control module (right side of engine compt) Cruise control on/off switch Cruise disable input Cruise disable output Cruise engaged input Cruise engaged output Cruise fuse 10a Cruise on input Cruise release (a/t) Cruise sw fuse 2a Exterior lights system G101 (left front shock tower) G201 (left side of dash) Ground Hot in run Ignition Inflatable restraint steering wheel module coil Left i/p fuse block (behind left side of dash) M/t Off Powertrain control module (pcm) (below left side of dash) R/a Resume/accel input Right i/p fuse block (behind right side of dash) S/c Set/coast input Splice pack sp101 Splice pack sp201 Tcc/brake switch (a/t) (below left side of dash) Underhood fuse block (left side of engine compartment) Underhood fuse block (left side of engine compt) Vehicle speed sensor (vss) (on rear of engine/transaxle) Vss high Vss input Vss low Vss output
DEFOGGERS Defogger Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Defogger Wiring Diagram for Oldsmobile Alero GLS 2002: 36 A11 Antenna amplifier module (on right rear pillar, beneath trim) Antenna choke (on left rear pillar, beneath trim) C c2 C1 a C1 c2 C2 a C3 a C3 c12 Coil Defog request Defogger switch G202 G402 Ground Ground distribution system Hot at all times Hot in on Htr-a/c fuse 10a Hvac control assembly Ign K c2 Left i/p fuse block (behind left side of dash) Oldsmobile On indicator Pontiac Power distribution system Rear window defogger grid Relay ctrl Resistor Rr defog fuse 30a Rr defog relay Splice pack sp202 (left side of dash) Splice pack sp402 (right side of rear package shelf) Timer Underhood fuse block (in left side of engine compartment, on strut tower)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Electronic Power Steering Wiring Diagram for Oldsmobile Alero GLS 2002: 33 (2.2l) (2.2l) (3.4l) (3.4l) (left side of engine) g103 (right rear of engine) g103 A11 Abs fuse 4 50a Abs/evo/ign fuse 15a B10 B11 Battery C10 Class 2 serial data Computer data lines system Electronic brake control module (ebcm) (inside left front fender) Electronic variable orifice (evo) solenoid Ground Hot at all times Hot in run or start Ignition J e K k Low ref Nca Pnk Power steering pump actuator Red Steering wheel position sensor Str whl pos sens (5v) Str whl pos sens sig Underhood fuse block (in left side of engine compt, on strut tower) Var eff str act cntl Var eff str act supp
ENGINE PERFORMANCE
2.2L 2.2L VIN F, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GLS 2002: 57 (on right rocker panel) (pontiac) (olds) A/c clutch relay A/c press 5v ref A/c press low ref A/c press sens sig A/c refrigerant pressure sensor (right front corner of eng compt) A/c system B12 Battery Brake sw C8 pnk Class 2 serial data Clutch pedal position switch (above clutch pedal) Cooling fan system Cpp sw signal Cruise control module (right rear of engine compt) Cruise fuse e 10a Cruise inhibit sig Data link connector (below dash, left of steering column) Evap vent sol Evaporative emission canister vent solenoid (under rear of vehicle) Ftp sens 5v ref Ftp sens low ref Ftp sens sig Fuel level sig Fuel pump Fuel pump & sender assembly Fuel pump ctrl Fuel tank pressure sensor (under rear of vehicle) G302 Hi spd cool fan rly Hot at all times Hot in acc, on or start Hot in run, bulb test or start Iat sens 5v ref Iat sens low ref Ign 0 voltage Ignition Instrument panel cluster Intake air temperature sensor (left side of engine) Ipc/bfc acc fuse i 10a Left i/p fuse block (behind left side of dash) Lo spd fan control Mil control Pcm acc fuse g 10a Pcm batt fuse 44 10a Pcm ign fuse 39 10a Pnk Powertrain control module (below left side of dash) Right i/p fuse block (behind right side of dash) Service engine soon ind Solid state Speed sig Tan Tcc/ brake switch (below left side of dash) Underhood fuse block (left side of engine compt) 2.2L VIN F, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GLS 2002: 36 1-2 shift sol 2-3 shift sol A7 pnk Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor B10 Crankshaft position sensor (lower left D5 pnk Engine coolant temperature sensor (right rear of engine) F/p-injr fuse 48 15a Fuel pump relay G102 (lower front of engine) G103 (lower front of engine) Gnd Hot in run, bulb test or start Ign mol fuse 41 10a Ignition coils Ignition control module (top rear of engine) Inter- connect Left i/p fuse block (behind left side of dash) P,r,n,d4,lo Pnk Pressure control sol Red Release tcc Rev,d,2,1 S102 Side of engine) Splice pack sp103 Splice pack sp201 Tan Tcc pwm sol Transaxle range switch (top of transaxle) Underhood fuse block (left side of engine compt) 2.2L VIN F, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GLS 2002: 83 (inj harn, 16 cm from inj break- out) 1-2 ss 10a 2-3 ss 5v ref A4 pnk Auto trans fuse 38 C11 Ckp sens low ref Ckp sens sig Cmp sens sig Cruise engage sig Ect sens low ref Ect sens sig Engine oil pressure sensor (left rear of engine) Erls fuse 47 10a Evap purge sol Evaporative emission canister purge solenoid (right side of engine) Fuel injectors G102 (lower front of engine) Gen field duty sig Gen turn on sig Generator Ground Heated oxygen sensor 1 (lower right side of engine) Heated oxygen sensor 2 (on rear of catalytic converter) Ho2s 1 high sig Ho2s 1 htr ctrl Ho2s 1 low sig Ho2s 2 high sig Ho2s 2 htr ctrl Ho2s 2 low sig Hot in run Hot in run, bulb test or start Iac coil a high Iac coil a low Iac coil b high Iac coil b low Ic timing ctrl Idle air control valve (left side of engine) Inj 1 ctrl Inj 2 ctrl Inj 3 ctrl Inj 4 ctrl Iss high Iss low Knock sens low ref Knock sens sig Knock sensor (lower left side of engine) Left i/p fuse block (behind left side of dash) Manifold absolute pressure sensor (left side of engine) Map sens low ref Map sens sig Nca Oil press sig Pc sol high Pc sol low Pnk Pnk a Powertrain control module (below left side of dash) Red S101 Splice pack sp102 Tan Tcc release sig Tcc sol Tfp sw a Tfp sw b Tfp sw c Tft sens sig Tft sesn low ref Throttle position sensor (on throttle body assy) Tp sens 5v ref Tp sens low ref Tp sens sig Trs sig a Trs sig b Trs sig c Trs sig p Underhood fuse block (left side of engine compt) Vehicle speed sensor (on rear of transaxle) Vss high Vss low
3.4L 3.4L VIN E, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GLS 2002: 74 (below dash, left of steering column) (below right front seat) 1-2 ss ctrl 2-3 ss ctrl 3x ref hi 3x ref lo 5 volt ref a A/t iss hi A/t iss lo B12 Battery Body control module (behind right side of dash) Bypass ctrl Ckp sen sig Cmp sens Cooling fans system Cruise control system Cruise disable Cruise fuse e 10a Data link connector Egr val ctrl Evap purge Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 5 Fuel inj 6 Fuel injectors Fuel pump and sender assembly (in fuel tank) Fuel pump motor G102 (left rear of eng) G302 Ho2s 1 lo Ho2s 2 lo Hot at all times Hot in acc, run or start Hot in run Hot in run or start Iac coil b hi Ic ctrl Ign Instrument custer system Knock sensor (lower left side of eng) Ks signal Left fan ctrl Left i/p fuse block Low ref Maf sen sig Mass airflow flow sensor (top rear of eng) Pcm acc fuse g 10a Pcm batt fuse 44 10a Pcm gnd Pcm ground Pcm/ign fuse 39 10a Pnk Pnk c Powertrain control module (below left side of dash, near steering column) Right fan ctrl Right i/p fuse block S101 Sen gnd Serial data Tan Tcc bk sw Tcc/ brake switch (below left side of dash) Tft sen lo Tr sw input b Tran range a Transaxle range switch (on left front top of transaxle) Under- hood fuse block Vehicle speed sensor (at rear of engine/transaxle) Vss hi Vss lo Vss out 3.4L VIN E, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GLS 2002: 49 (left rear of engine) (left side of engine) (transmission harness) 1-2 shift solenoid valve 2-3 shift solenoid valve 3x ref hi 3x ref lo 7x ref hi 7x ref lo A pnk A/c refrigerant pressure sensor (front of eng compt) Auto tran fuse 10a Auto- matic input shaft speed sensor Automatic transaxle Automatic transaxle temperarture sensor B10 Bypass ctrl Crankshaft position sensor (7x) (lower right side of eng) D,2,1 sw Dr sw Engine coolant temperature sensor (top left rear of eng) Engine oil level switch (at rear of eng) Engine oil pressure sensor (lower left side of eng) F/p injr fuse 48 15a Fuel pump relay G102 G103 G103 (right rear of eng) Gnd Hot in run or start Ic ctrl Ign Ign mod fuse 10a Ignition control module (top right rear of eng) Intake air temperature sensor (at left side of eng) Left i/p fuse block c3 Lo sw Manifold absolute pressure sensor (top right side of eng) P,r,n,d4 sw Pnk Pressure control solenoid valve Red Rev sw S102 Tan Tan b Tcc sw Torque converter clutch pwm solenoid valve Underhood fuse block 3.4L VIN E, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GLS 2002: 76 (near twc catalyst outlet) heated oxygen sensor 2 (olds) (pontiac) (right exhaust manifold) heated oxygen sensor 1 (right side of dash) (top rear of eng) idle air control valve (top right rear of eng) exhaust gas recirculation valve solenoid 24x ck sen gnd 5 volt ref a 5 volt ref b A/c comp rly A/c refrig press A/c system B11 B8 b6 C11 Camshaft position sensor (front top of eng) Cmp sens b+ Cmp sens gnd Crank fuse 54 10a Crank voltage Crankshaft position sensor (24x) (left front of eng) Cruise control system Cruise engage in Egr val ign + Eng oil level sw Eng oil press in Erls fuse 10a Evap can vent Evaporative emission canister purge solenoid (top right side of eng) Evaporative emission canister vent solenoid (under rear of vehicle) Fuel inj 4 Fuel level in Fuel pump rly Fuel tank press Fuel tank pressure sensor (under rear of vehicle) G203 Gen term "e" in Gen term l out Generator Ho2s 1 sig Ho2s 2 sig Ho2s1 htr low Hot in run Iac coil a hi Iac coil a lo Iac coil b lo Iat sen sig Iat sens Ign Ign + volt Instrument cluster Left i/p fuse c3 block Low ref Malfunction indicator lamp Map sen sig Mil ctrl Nca Pc sol val ctrl Pnk Powertrain control module (below left side of dash, near steering column) Red Red l Sen gnd Tan Tcc pwm sol ctrl Tcc release sw Tft sens sig Throttle position sensor (on throttle body) Tp sen in Tr sw c in Tr sw d in Trans range a Trans range b Trans range c Underhood fuse block
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Back-up Lamps Wiring Diagram for Oldsmobile Alero GLS 2002: 18 A/t B11 Backup lamp switch (left front top of transaxle) Bu lmp/ btsi fuse 15a C3 a4 C3 c3 G401 (left side of rear package shelf) Hot in on or start Left backup lamp Left rear compartment lid backup/ tail lamp M/t Park/ neutral position switch (left front top of transaxle) Pnk Right backup lamp Right i/p fuse block (behind right side of dash) Right rear compartment lid backup/ tail lamp Splice pack sp401 Underhood fuse block Exterior Lamps Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Exterior Lamps Wiring Diagram for Oldsmobile Alero GLS 2002: 64 (behind right side of dash) body control module (bcm) (left front shock tower) A/c system A10 A12 Auto park lamp cntrl relay 19 B10 B11 B12 Battery voltage C10 C12 C2 b F12 G101 G201 (left side of dash) G401 (left side of rear package shelf) G402 (right side of rear package shelf) Ground Hazard lps fuse 10a Hazard switch Head High mounted stop lamp Hot at all times Hot in on or start Ign 1 voltage Instrument cluster Interior lights system Left Left front marker lamp Left front park/ turn signal lamp Left i/p fuse block (behind left side of dash) Left rear compartment lid back-up/ taillamp Left rear lamp assembly Left turn indicator Left turn signal lamp License lamp Off Park Park lps fuse 15a Pnk Right Right front marker lamp Right front park/ turn signal lamp Right i/p fuse block (behind right side of dash) Right rear compartment lid back-up/ taillamp Right rear lamp assembly Right turn indicator Right turn signal lamp Sound system Splice pack sp101 Splice pack sp201 Splice pack sp401 Splice pack sp402 Stop Stop lps fuse 20a Stoplamp switch (below left side of dash) Tail Turn Turn lps fuse 10a Turn signal flasher Turn signal/ multi- function switch Turn stop Underhood fuse block (left side of engine compartment)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GLS 2002 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GLS 2002: 64 (olds) (pont) 2.2l 3.4l A/t shift lock control solenoid A10 Accessory power outlet (olds) Auxiliary park lamp lf (pont) Auxiliary park lamp rf (pont) Battery Blower motor Brake fluid level switch Brake fluid level switch (2.2l) C12 C206 C207 Cigar lighter Control airflow module (pcm) (2.2l) Coolant level switch Cooling fan- right (2.2l) Cruise control module (if equipped) D10 Data link connector (dlc) E10 Electronic brake control module (ebcm) Engine oil level switch (3.4l) Fog lamp lf Fog lamp rf Fuse block- left i/p Fuse block- underhood G101 (left front shock tower) G102 (front of engine) G103 (lower front of engine) (2.2l) (left side of engine) (3.4l) G104 (left front of engine compt) G105 (left front of engine compt) G201 (left side of dash) G203 (right side of dash) Hazard switch Heated rear oxygen sensor (ho2s) sensor 2 (3.4l) Horn assembly I/p compartment lamp I/p compartment lamp/ switch Ignition control module (icm) (2.2l) Ignition control module (icm) (3.4l) Mass airflow (maf) sensor (3.4l) Nca c Park/neutral position switch (a/t) Park/turn signal lamp- lf Park/turn signal lamp- rf Powertrain control module (pcm) (3.4l) Radio Shift indicator lamp Sir coil assembly Splice pack sp101 Splice pack sp102 Splice pack sp103 Splice pack sp201 Splice pack sp203 Steering wheel controls- right Traction control switch Turn signal/ multifunction switch Washer fluid level sensor Windshield/ wiper motor assembly Winshield washer fluid pum Ground Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GLS 2002 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GLS 2002: 65 (coupe) (level 1) (level 2) (olds) (pont) (sedan) 4-way adjust 6-way adjust A10 A12 Air temperature actuator Audio amplifier Back-up lamp-rh Backup lamp- left Body control module (bcm) Center high mounted stop lamp (chmsl) D c Dome lamp Door ajar Door ajar switch- lr Door jamb switch- lf Door jamb switch- rf Door lock switch- driver Door lock switch- front passenger Driver Fog lamp switch (if equipped) Fuel pump & sender assembly Fuse block- left i/p G202 (left side of dash) G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) G401 (left side of rear package shelf) G402 (right side of rear package shelf) Hwac control assembly I/p dimmer switch Ignition switch Inside rearview mirror/ w/ reading lamps (if equipped) Instrument panel cluster (ipc) Lamp assembly- lr Lamp assembly- rr License lamp Nca Olds Outside rear view mirror switch Pont Radio Rear compartment lid backup/ tail lamp- lr Rear compartment lid backup/ tail lamp- rr Rear compartment lid release Rear compartment lid release actuator Rear window defogger grid Remote control door lock receiver (rcdlr) Seat adjuster switch- driver Seat belt switch Sedan Splice pack sp202 Splice pack sp301 Splice pack sp302 Splice pack sp401 Splice pack sp402 Sunroof module Switch- rr Traction control switch Trip odometer reset switch Window switch- Window switch- front passenger
HEADLIGHTS Headlight Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Headlight Wiring Diagram for Oldsmobile Alero GLS 2002: 65 A10 c3 Al sens ref Al sens sig Alc relay Ambient light sensor (on top of dash) Auto hdlp ctrl relay B12 c3 B3 c3 Body control module (behind right side of dash) C pnk C4 c3 C9 c2 Computer data lines system D10 c2 Drl relay F12 c2 F8 c2 Flash-to-pass Fog lamp switch Fog lp relay Fog lp sw Fog lps fuse 10a Fog lps relay G102 (left front shock tower) G201 (left side of dash) G202 (left side of dash) Head High High beam High beam in High beam ind Hot at all times Hot in run Htr a/c fuse 10a Instrument panel cluster (ipc) Left fog lamp Left headlamp assembly Lh hdlp fuse 15a Low Low beam Low beam in Off On indicator Park Park brake switch (part of park brake assembly) Pk brake sw Pnk Q10 Q11 Q12 R11 Rh hdlp fuse 15a Right fog lamp Right headlamp assembly Right i/p fuse block (right side of dash) S10 S11 S12 Serial data Splice pack sp101 Splice pack sp201 Splice pack sp202 Turn signal/ multifunction switch Underhood fuse block (left side of engine compt) Underhood junction block (left side of engine compt)
HORN Horn Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Horn Wiring Diagram for Oldsmobile Alero GLS 2002: 20 Body control module (bcm) (below right side of dash) C12 C2 a Cancel cam G101 (left front shock tower) Ground splice pack sp101 Horn assembly (inside right front fender) Horn fuse 49 15a Horn relay Horn relay control Horn slip ring Horn switch Hot at all times Hz horn T11 T12 Turn/ headlamp/ wiper switch Underhood fuse block (left side of engine compartment, on strut tower) V11 V12
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Instrument Cluster Wiring Diagram for Oldsmobile Alero GLS 2002: 80 (3.4l) (left side of dash) 2.4l 3.4l A10 A11 A12 Abs indicator Air bag ind B10 B11 B12 Batt Body computer system Body control module (behind right side of dash) Brake indicator Change oil indicator Check tire pressure indicator Class 2 (bcm) Class 2 (bcm/ebcm) Class 2 (ebcm) Class 2 (ipc/bcm) Class 2 (pcm/bcm) Class 2 (sdm) Class 2 serial data Coolant Cruise indicator Data link connector (below dash, left of steering column) Electronic brake control module (inside left front fender) Engine Exterior lights system Fuel G202 Gauge Gnd Headlights system Hi beam in Hi beam indicator Hot at all times Hot in accy, run or start Ign Ign 0 Illuminaton (5bulbs) Inflatable restraint sensing & diagnostic module (under right front seat, below carpet) Instrument cluster Interior lights system Ipc/bfc acc fuse 10a Ipc/hvac batt fuse 10a Left i/p junction block Left turn indicator Lo beam in Logic Low coolant indicator Low coolant level Low fuel indicator Low oil indicator Low traction indicator Low wash indicator Mil ctrl Odometer reset input Oil pressure indicator Park brake signal Pnk Powertrain control module (below left side of dash, near steering column) Right turn indicator Seat belt indicator Security indicator Serial data Serial data class 2 Service engine soon indicator (malfunction indicator lamp) Service vehicle soon indicator Shift indicator (w/m/t only) Speedometer Tachometer Temperature Temperature indicator Traction off indicator Trip odometer reset switch Volts indicator Washer fluid level
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Courtesy Lamps Wiring Diagram for Oldsmobile Alero GLS 2002: 43 A12 B(+) voltage B10 B11 B4 left i/p fuse block (behind left side of dash) Base Bfc batt fuse 10a Body control module (bcm) (behind right side of dash) C11 Dome Dome & rear reading lamps Dome lamp Door Except Except base G202 (left side of dash) G203 (right side of dash) G302 (below right side of front passenger's seat) G401 (left side of rear package shelf) Hot at all times I/p compartment lamp/ switch I/p dimmer switch Int lps fuse 10a Left front door jamb switch Left front door lock switch Left i/p fuse block (behind left side of dash) Left rear door jamb switch Lf door input Off Power control Reading Rear compartment courtesy lamp Rear compartment lid release actuator Rear dr input Rearview mirror reading lamps Right front door jamb switch Right front door lock switch Right i/p fuse block (behind right side of dash) Right rear door jamb switch Splice pack sp202 Splice pack sp203 Splice pack sp302 Splice pack sp401 Instrument Illumination Wiring Diagram (1 of 2) for Oldsmobile Alero GLS 2002 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Oldsmobile Alero GLS 2002: 36 Auto park lamp relay B12 Body control module (bcm) (behind right side of dash) C1 a3 C1 b1 C2 j C3 b5 C3 d8 Cruise control on/off switch Cruise sw lps fuse 2a E12 F12 G202 (left side of dash) G203 (right side of dash) Hazard switch Head Hot at all times Hvac control assembly I/p compartment lamp Inflatable restraint steering wheel module coil Inst lps fuse 10a Instrument cluster (5 bulbs) Lamp dimmer module (behind left side of dash) Nca Off Panel dimmer switch Park Park lps fuse 15a Radio Right i/p fuse block (behind right side of dash) Splice pack sp202 Splice pack sp203 To right i/p fuse block (diagram 2 of 2) Transaxle shift indicator light Turn/ signal multifuntion switch Underhood fuse block (left side of engine compt, on strut tower) Instrument Illumination Wiring Diagram (2 of 2) for Oldsmobile Alero GLS 2002 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Oldsmobile Alero GLS 2002: 16 C1 b From right a i/p fuse block (diagram 1 of 2) G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) Left front door jamb switch Left front door lock switch Left front power window switch Power mirror switch Right front door jamb switch Right front door lock switch Right front power window switch Right i/p fuse block (behind right side of dash) Splice pack sp301 Splice pack sp302 W/ power windows W/o power windows
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GLS 2002 List of elements for Power Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GLS 2002: 94 (2.2l) (3.4l) (3.4l) (2.2l) (a/t) (diagram 1 of 2) (injector harn, top of engine) s101 (m/t) (olds) (pont) 3.4l A/c bfc fuse 10a A/c comp relay A/t A11 A12 A7 c3 Abs/ evo/ ign fuse 15a Acc Air bag fuse 10a Air temperature actuator Auto trans fuse 10a Automatic transmission B a B/u lp/ btsi fuse 15a B11 Backup lamp switch (m/t) Body control module (bcm) C2 c C2 c2 C3 c1 C3 c11 Clutch pedal position (cpp) switch (m/t) Clutch pedal position (pnp) switch Crank fuse 10a Cruise control module (ccm) Cruise control on/off switch Cruise fuse 10a Cruise sw fuse 2a Drl relay Electronic brake control module (ebcm) Erls fuse 10a Evaporative emission (evap) canister purge solenoid Evaporative emission (evap) canister vent solenoid F/p injr fuse 15a F11 From ign sw batt 2 fuse d From ign sw e batt 1 fuse (diagram 1 of 2) From ignition switch (diagram 2 of 2) Fuel injectors Fuel pump relay Fuse block- left i/p Fuse block- right i/p Fuse block- under- hood Fuse block- underhood Hazard switch Hcav control assembly Heated oxygen sensor (ho2s) sensor 1 (3.4l) Heated oxygen sensor (ho2s) sensor 1 (2.2l) Heated rear oxygen oxygen sensor (ho2s) sensor 2 Htr a/c fuse 10a Hvac blower fuse 20a Hvac control assembly Ign mod fuse 10a Ignition control (ic) module Ignition switch Inflatable restraint sensing & diagnostic module (sdm) Instrument panel cluster (ipc) Ipc/bfc acc fuse 10a Lock M/t Mass airflow (maf) sensor (3.4l) Nca Park/ neutral position (pnp) switch Park/ neutral position switch (a/t) Pcm acc fuse 10a Pcm ign fuse 10a Pnk Powertrain control module (pcm) Pwr wndws circuit breaker 25a Rear defogger relay Red Sir coil assembly Start Sunroof assembly Sunroof fuse 20a Tcc/ brake switch (a/t) To htr a/c ign fuse (diagram 2 of 2) To ign mod fuse (diagram 2 of 2) To sunroof fuse (diagram 2 of 2) Turn lps fuse 10a Turn signal/ multifunction switch Window switch- driver Window switch- front passenger (coupe) Windshield wiper motor assembly Wiper fuse 25a
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Power Door Lock Wiring Diagram for Oldsmobile Alero GLS 2002: 53 (3nk) (3nl) (w/ rfa) A10 Battery (b+) Body control module (behind right side of dash) C d C10 Computer data lines system D10 Door lk Door lk/unlk in Door lock fuse 15a Door lock relay Door unlk Door unlock relay Driver door lk Driver door lock actuator Driver door lock switch Driver door unlock relay (w/ rfa) E c E10 E11 F10 Front passenger door lock actuator Front passenger door lock switch G11 G201 G302 G402 Ground H10 H11 Hot at all times Interior lights system J10 K11 Left i/p fuse block (behind left side of dash) Left rear door lock actuator Lock Remote control door lock receiver (under rear package shelf) Right i/p fuse block (behind right side of dash) Right rear door lock actuator Serial data Splice pack sp201 (left side of dash) Splice pack sp302 (below right side of front passenger seat) Splice pack sp311 (under left front seat) Splice pack sp402 (right side of rear package shelf) Tan Trunk rel/rfa fuse 10a Unlock W/ 8 speaker audio system W/o 8 speaker audio system
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Electrochromic Mirror Wiring Diagram for Oldsmobile Alero GLS 2002: 20 A/t Ambient light sensor Automatic day/night mirror element B/u lp/btsi fuse 42 15a B11 Back-up lamp switch (on trans- mission) C1 f Cruise fuse e 10a G401 (left side of rear package shelf) Headlight sensor Hot in on Hot in on or start Inside rearview mirror w/ reading lamps Logic circuits M/t Park/neutral position (pnp) switch (left front top of transaxle) Pnk Right i/p fuse block (behind right side of dash) Splice pack sp401 Underhood fuse block (on top of left front fender) Power Mirror Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Power Mirror Wiring Diagram for Oldsmobile Alero GLS 2002: 21 (left side of dash) B10 Down Drive unit Driver outside rearview mirror G301 (under left front seat) Hot at all times L-r Left Left i/p fuse block Mirror control switch Mirror select switch Nca Off Outside rearview mirror switch Passenger outside rearview mirror Power mirror fuse d 10a Right Splice pack sp301 To interior lights system Up-dn
POWER SEATS 2-Way Adjustable Power Seat Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 2-Way Adjustable Power Seat Wiring Diagram for Oldsmobile Alero GLS 2002: 10 Driver seat adjuster switch G301 (below left side of driver's seat) Hot at all times Left i/p junction block Nca Power seat circuit breaker 25a Ptc S201 Seat vertical motor Splice pack sp301 6-Way Power Seat Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 6-Way Power Seat Wiring Diagram for Oldsmobile Alero GLS 2002: 18 Back Driver seat adjuster switch Forw Front down Front up G301 (below left side of driver's seat) Hot at all times Left i/p fuse block Nca Power seat circuit breaker 25a Ptc Rear down Rear up Seat front vertical motor Seat horizontal motor Seat rear vertical motor Splice pack sp301 Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Oldsmobile Alero GLS 2002 List of elements for Power Top/Sunroof Wiring Diagrams for Oldsmobile Alero GLS 2002: 31 (not used) (on headliner) sun roof assembly A12 Battery C301 Close Close input E (not used) G401 (left side of rear package shelf) Gnd Hot in run Limit switches Motor close Motor open Nca Open Open input Pnk Range input Red Right i/p fuse block (behind right side of dash) S300 Soft stop Soft stop input Splice pack sp401 Sun roof module Sun roof motor Sun roof switch Sunroof fuse 20a Switch gnd Vent stop
POWER WINDOWS Power Window Wiring Diagram, 2 Door for Oldsmobile Alero GLS 2002 List of elements for Power Window Wiring Diagram, 2 Door for Oldsmobile Alero GLS 2002: 19 C3 b8 Down Express down Express down module G301 (below left side of driver's seat) Ground Ground splice pack Hot in on Interior lights system Left front Power window circuit breaker 25a Right front Right i/p fuse block Solid state Tan Window motor- driver Window motor- front passenger Window switch- driver Window switch- front passenger Power Window Wiring Diagram, 4 Door for Oldsmobile Alero GLS 2002 List of elements for Power Window Wiring Diagram, 4 Door for Oldsmobile Alero GLS 2002: 26 Down Express Express down module G301 (on left side of passenger at rocker panel) Ground splice pack Hot in on Illumination lamp Interior lights system Left front Left rear Lock out switch Pwr wndw circuit window 25a Right front Right i/p fuse block Right rear Solid state Splice pack sp311 (under left front seat) Tan Window motor- driver Window motor- front passenger Window motor- left rear Window motor- right rear Window switch- driver Window switch- front passenger Window switch- left rear Window switch- right rear
RADIO Radio Wiring Diagrams, with Amplifier (1 of 2) for Oldsmobile Alero GLS 2002 List of elements for Radio Wiring Diagrams, with Amplifier (1 of 2) for Oldsmobile Alero GLS 2002: 61 (on right rear pillar, beneath trim) antenna choke A10 A11 A12 Am/ Antenna amplifier module (on right rear pillar, beneath trim) Antenna input Antenna voltage B10 B11 B12 Battery C1 a1 C10 C12 Computer data lines system Cruise control system Defogger system Dn seek Dn vol Exterior lights system G201 (left side of dash) G202 (left side of dash) G203 (right side of dash) Gain cntrl sig Ground Hot at all times I/p lmp voltage Inflatable restraint steering wheel module coil Interior lights system Left i/p fuse block (behind left side of dash) Left steering wheel controls Lf speaker (+) Lf speaker (-) Lr speaker (+) Lr speaker (-) Mute Nca Oldsmobile Play Pontiac Pre- Prk lamp voltage Radio Radio antenna Radio battery fuse 15a Radio on sig Rear antenna defogger grid Remote radio cntrl Rf speaker (+) Rf speaker (-) Right i/p fuse block (behind right side of dash) Right steering wheel controls Rr speaker (+) Rr speaker (-) Serial data Set Steering wheel assembly (pontiac) Tan Up seek Up vol Radio Wiring Diagrams, with Amplifier (2 of 2) for Oldsmobile Alero GLS 2002 List of elements for Radio Wiring Diagrams, with Amplifier (2 of 2) for Oldsmobile Alero GLS 2002: 58 (tweeter) Antenna voltage Audio amplifier (left side of trunk) B5 c3 Battery E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 G401 (left side of rear package shelf) Gain cntrl sig Ground Hot at all times L subwoofer (+) L subwoofer (-) Left front speaker Left front speaker (tweeter) Left i/p junction block (behind left side of dash) Left rear speaker Lf midrange (+) Lf midrange (-) Lf speaker (+) Lf speaker (-) Lf tweeter (+) Lf tweeter (-) Lr speaker (+) Lr speaker (-) Lr tweeter (+) Lr tweeter (-) R subwoofer (+) R subwoofer (-) Red Rf midrange (+) Rf midrange (-) Rf speaker (+) Rf speaker (-) Rf tweeter (-) Right front speaker Right rear speaker Rr speaker (+) Rr speaker (-) Rr tweeter (+) Rr tweeter (-) Splice pack sp301 Sub- woofer Tan Trunk rel/ rfa/rdo amp fuse 10a Tweeter Radio Wiring Diagrams, without Amplifier for Oldsmobile Alero GLS 2002 List of elements for Radio Wiring Diagrams, without Amplifier for Oldsmobile Alero GLS 2002: 68 (on right rear pillar, beneath trim) antenna choke A10 A11 A12 Am/ Antenna amplifier module (on right rear pillar, beneath trim) Antenna input Antenna voltage B10 B11 B12 Battery C1 a1 C10 C12 Computer data lines system Cruise control system Defogger system Dn seek Dn vol Exterior lights system G201 (left side of dash) G202 (left side of dash) G203 (right side of dash) Gain cntrl sig Ground Hot at all times I/p lmp voltage Inflatable restraint steering wheel module coil Interior lights system Left front speaker Left front tweeter speaker Left i/p fuse block (behind left side of dash) Left rear speaker Left steering wheel controls Lf speaker (+) Lf speaker (-) Lr speaker (+) Lr speaker (-) Mute Nca Oldsmobile Play Pontiac Pre- Prk lamp voltage Radio Radio antenna Radio battery fuse 15a Radio on sig Rear antenna defogger grid Red Remote radio cntrl Rf speaker (+) Rf speaker (-) Right front speaker Right front tweeter speaker Right i/p fuse block (behind right side of dash) Right rear speaker Right steering wheel controls Rr speaker (+) Rr speaker (-) Serial data Set Steering wheel assembly (pontiac) Tan Up seek Up vol
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Shift Interlock Wiring Diagram for Oldsmobile Alero GLS 2002: 10 A/t shift lock control solenoid (under center console) B/u lp/ btsi fuse 42 15a G203 (right side of dash, near fuse block) Hot in on & start Left i/p fuse block Park/ neutral position switch Pnk Splice pack sp203 Stoplight switch (below left side of dash) Underhood fuse block (left side of engine compt, on strut tower)
STARTING/CHARGING
2.2L 2.2L VIN F, Starting Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, Starting Wiring Diagram for Oldsmobile Alero GLS 2002: 25 A11 Acc Automatic trans- mission Automatic transmission Batt Battery Clutch pedal position (cpp) switch F11 Fusible link (10 ga- rust) G102 (front of engine) G104 (left front of engine compartment) Generator Ign-sw batt 1 fuse 40a Ignition switch Lock Manual trans- mission Manual transmission Park/ neutral position switch (on left side of engine) Red Run Splice pack sp102 Start Starter motor Starter solenoid Underhood fuse block (in left side of engine compartment on, strut tower) Charging Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Charging Wiring Diagram for Oldsmobile Alero GLS 2002: 33 (2.2l) (3.4l) (behind right side of dash) A (not used) Battery Body control module (bcm) C1 b9 C1 e7 C1 left i/p fuse block (behind left side of dash) Data link connector (dlc) (below dash, left of steering column) Fusible link (10 ga-rust) G102 (front of engine) G104 (left front of engine compartment) Gen batt fuse 10a Gen terminal f input Gen terminal l control Generator Hot at all times Hot in acc, run & start Instrument panel cluster (ipc) Ipc/bfc acc fuse 10a Left i/p fuse block (behind left side of dash) Oldsmobile Pontiac Power distribution system Powertrain control module (pcm) (behind left side of dash) Red Serial data class 2 Solid state Sp102 Starter solenoid Underhood fuse block (in left side of engine compartment on, strut tower) Volts ind
3.4L 3.4L VIN E, Starting Wiring Diagram, Without PCM Controlled Starter for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Starting Wiring Diagram, Without PCM Controlled Starter for Oldsmobile Alero GLS 2002: 25 A11 Acc Automatic trans- mission Automatic transmission Batt Battery Clutch pedal position (cpp) switch F11 Fusible link (10 ga- rust) G102 (front of engine) G104 (left front of engine compartment) Generator Ign-sw batt 1 fuse 40a Ignition switch Lock Manual trans- mission Manual transmission Park/ neutral position switch (on left side of engine) Red Run Splice pack sp102 Start Starter motor Starter solenoid Underhood fuse block (in left side of engine compartment on, strut tower) 3.4L VIN E, Starting Wiring Diagram, With PCM Controlled Starter for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, Starting Wiring Diagram, With PCM Controlled Starter for Oldsmobile Alero GLS 2002: 27 A11 Acc B11 Batt Battery Crank fuse 54 10a Crnk vlt F11 Fusible link (10 ga- rust) G102 (front of engine) G104 (left front of engine compartment) Generator Ign-sw batt 1 fuse 40a Ignition switch Lock Park/ neutral position switch (on left side of engine) Powertrain control module (below left side of dash, near steering column) Red Run Splice pack sp102 Start Start rly Starter motor Starter relay 1 Starter solenoid Under- hood fuse block (in left side of engine compt) Underhood fuse block (in left side of engine compt) Charging Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Charging Wiring Diagram for Oldsmobile Alero GLS 2002: 33 (2.2l) (3.4l) (behind right side of dash) A (not used) Battery Body control module (bcm) C1 b9 C1 e7 C1 left i/p fuse block (behind left side of dash) Data link connector (dlc) (below dash, left of steering column) Fusible link (10 ga-rust) G102 (front of engine) G104 (left front of engine compartment) Gen batt fuse 10a Gen terminal f input Gen terminal l control Generator Hot at all times Hot in acc, run & start Instrument panel cluster (ipc) Ipc/bfc acc fuse 10a Left i/p fuse block (behind left side of dash) Oldsmobile Pontiac Power distribution system Powertrain control module (pcm) (behind left side of dash) Red Serial data class 2 Solid state Sp102 Starter solenoid Underhood fuse block (in left side of engine compartment on, strut tower) Volts ind
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Supplemental Restraint Wiring Diagram for Oldsmobile Alero GLS 2002: 33 (oldsmobile) (pontiac) A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag fuse e 10a Air bag indicator Anti-lock brakes system Body control module (bcm) (behind right side of dash) Case ground Class 2 serial data primary Data link connector (dlc) (partial) (below dash, left of steering column) Engine controls system High control Hot in on or start Ignition Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (sdm) (under right front seat, below carpet) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left i/p fuse block (behind left side of dash) Low control Nca Serial data Serial data class 2 Shorting bar
TRANSMISSION
2.2L 2.2L VIN F, A/T Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 2.2L VIN F, A/T Wiring Diagram for Oldsmobile Alero GLS 2002: 74 1-2 shift sol 1-2 ss vlv 2-3 shift sol 2-3 ss vlv A/t iss sens hi A/t sens lo Auto trans fuse 38 10a Automatic transaxle (4t40-e/ 4t45-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor B12 Batt Body control module Brake sw in Class ii serial Cruise fuse e 10a Data link connector (below dash, left side of steering column) Ect sens gnd Ect sens sig Engine coolant temperature sensor (right rear of engine) G102 (lower front of engine) Gnd Hot at all times Hot in acc, run or start Hot in run Hot in run or start Ign (0) Ign (1) Instrument panel cluster Instrument panel cluster (ipc) Ipc/ bfc acc fuse i 10a Left i/p fuse block (behind left side of dash) Mil ctrl Olds P,r,n,d4,lo Park/neutral position (pnp) switch (left top front of transaxle) Pc sol hi Pc sol lo Pcm acc fuse g 10a Pcm batt fuse 44 10a Pcm ground Pcm ign fuse 39 10a Pnk Pontiac Powertrain control module (below left side of dash) Pressure control sol Red Release tcc Rev,d,2,1 Right i/p fuse block (behind right side of dash) Service engine soon Tan Tcc pwm sol Tcc pwm vlv Tcc rel sw Tcc/ brake switch (below left side of dash) Tft sens gnd Tft sens sig Throttle position sensor (on throttle body) Tp sens 5v ref Tp sens gnd Tp sens sig Tr sw-a in Tr sw-b in Tr sw-c in Tr sw-p in Trans range-a Trans range-b Trans range-c Underhood fuse block (left side of engine compt, on strut tower) Vehicle speed sensor (on rear transaxle) Vss hi (signal) Vss lo (ground)
3.4L 3.4L VIN E, A/T Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for 3.4L VIN E, A/T Wiring Diagram for Oldsmobile Alero GLS 2002: 74 (in trans harness) (rear of engine/ transaxle assembly) vehicle speed sensor 1-2 shift sol 2-3 shift sol A/t sensor hi A/t sensor lo Auto trans fuse 38 10a Automatic transaxle (4t45-e/ 4t45-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor B12 Battery in Body control module Brake switch in Cruise fuse e 10a Data link connector (below dash, left side of steering column) Ect return Ect sensor in Engine coolant temperature sensor (top left rear of engine) G102 (front of engine, near starter) Gnd Hot at all times Hot in acc, run or start Hot in run Hot in run or start Ignition (1) in Ignition (2) in Instrument panel cluster Instrument panel cluster (ipc) Ipc/ bfc acc fuse i 10a Left i/p fuse block (behind left side of dash) Map sensor Mil ctrl Olds P,r,n,lo,d4 Park/neutral position (pnp) switch (left top front of transaxle) Pc sol hi Pc sol lo Pcm acc fuse g 10a Pcm batt fuse 44 10a Pcm ground Pcm ign fuse 39 10a Pnk Pontiac Powertrain control module (below left side of dash) Pressure control sol Red Rev,d,2,1 Right i/p fuse block (behind right side of dash) S102 Serial data Service engine soon Tan Tcc pwm sol Tcc release Tcc release in Tcc/ brake switch (below left side of dash) Tft sensor gnd Tft sensor in Throttle position sensor (on throttle body) Tp 5v ref Tp sensor in Tps return Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans range a Trans range b Trans range c Underhood fuse block (left side of engine compt, on strut tower) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Trunk Release Wiring Diagram for Oldsmobile Alero GLS 2002: 19 (not used) A9 c3 Body control module (behind right side of dash) C5 c3 C8 c2 F3 c1 G301 (below left side of driver's seat) G401 (left side of rear package shelf) Hot at all times Interior lights system Left i/p fuse block (behind left side of dash) Rear compartment lid release actuator Rear compartment lid release switch Rear compt lid release rly ctrl Sp301 Sp401 Trunk rel relay Trunk rel/ radio amp fuse b 20a Trunk release sw sig
WARNING SYSTEMS Warning System Wiring Diagrams for Oldsmobile Alero GLS 2002 List of elements for Warning System Wiring Diagrams for Oldsmobile Alero GLS 2002: 69 (alero gl) c (all others) d (below dash, left of steering column) data link connector (dlc) (pont) (olds) 2.2l 3.4l A/c bfc fuse 37 10a A10 A11 A12 A9 b1 B10 B11 B12 Battery Bfc batt fuse 10a Body control module (bcm) (behind right side of dash) C3 b12 C3 b9 Class 2 serial data Courtesy lamps Dr lock/unlck sw sig Driver unlock door lock switch Engine coolant level switch (right side of eng compt) Front unlock pass- enger door lock switch G101 (left front shock tower) G202 (left side of dash) G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) Ground Head Hot at all times Hot in on or start Ign 1 pos voltage Ignition switch (key warning switch) Instrument panel cluster (ipc) Int lps fuse g 10a Interior lights system Key in ign in Left front door jamb switch Left i/p fuse block Left rear door ajar switch Lft frt door dome in Lock Low eng coolant input Low washer solvent in Nca Off Other door dome in Park Park brake in Park brake switch Park lamp on Parklamp fuse 45 15a Pnk Powertrain control module (pcm) (below left side of dash) Radio Right front door jamb switch Right i/p fuse block Right rear door ajar switch Seat belt sw in Seat belt switch (part of driver's seat belt buckle) Splice pack sp101 Splice pack sp202 Splice pack sp301 Splice pack sp302 Turn signal multi- function switch Under- hood fuse block Washer solvent level sensor (inside left front fender)
WIPER/WASHER Wiper/Washer Wiring Diagram for Oldsmobile Alero GLS 2002 List of elements for Wiper/Washer Wiring Diagram for Oldsmobile Alero GLS 2002: 22 Body control module (behind right side of dash) G101 (left front shock tower) G201 (left side of dash) High Hot in accy or run Left i/p fuse block (behind left side of dash) Low Mist Mux 1 Mux 2 Off Red Splice pack sp101 Splice pack sp201 Turn signal/ multifunction switch Washer fluid level sensor (in washer fluid reservoir) Washer switch Windshield washer fluid pump (between reservoir & frame rail) Windshield wiper motor assembly (on left side of firewall) Wiper fuse 25a Wiper motor control Wiper switch
