Diagram sections — 30 (46 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 Compressor Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Compressor Wiring Diagram for Oldsmobile Alero GL 1999: 25 A/c bfc fuse 10a A/c clutch diode A/c clutch relay A/c compressor clutch A/c on A/c request A/c request input A/c request output Bi-lev Body control module (below right side of dash) Compressor clutch relay control Computer data lines system Def G103 (l4: lower front of engine) (v6: left side of engine) Heat Heat/def Heater-a/c control assembly Hot in on and start Lh i/p junction block (below left side of dash) Max Mode switch Powertrain control module (below left side of dash) Serial data class 2 Underhood junction block (in left side of engine compartment on strut tower) Vent Manual A/C Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Manual A/C Wiring Diagram for Oldsmobile Alero GL 1999: 66 A/c A/c bfc fuse 10a A/c clutch diode A/c clutch relay A/c compressor clutch A/c disable A/c on A/c request A/c request input A/c request output A10 Air temperature actuator (in center console) Battery voltage Bi-lev Blower motor Blower motor relay Blower resistor assembly Blower switch Body control module (below right side of dash) C10 Compressor clutch relay control Computer data lines system Def Exterior lights system G103 (l4: lower front of engine) (v6: left side of engine) G201 (left side of dash) G203 (right side of dash) G204 (right side of dash) Gnd Ground Heat Heat/def Heater command output Heater-a/c control assembly Hi blo mot fuse 30a High Hot at all times Hot in run Hot in run and start Htr-a/c ign fuse 10a Ign Interior lights system Ipc/hvac batt fuse 10a Lh i/p junction block (behind right side of dash) Low Max Mode request Mode switch Off Osa Osa on Osa request Powertrain control module (below left side of dash) Rec Rec on Rec request Rh ip junction block Serial data class 2 Step dim input Tan Temp control Temp request input Temperature control input Underhood junction block Underhood junction block (in left side of engine compartment, on strut tower) Vent
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Oldsmobile Alero GL 1999 List of elements for Anti-lock Brake Wiring Diagrams for Oldsmobile Alero GL 1999: 81 (2.4l) (3.4l) (left side of engine) (oldsmobile) (pontiac) (olds) (right rear of engine) (right side of dash) g201 A12 Abs actuator motor assembly (left rear of engine compt) Abs batt fuse 10a Abs fuse 40a Abs ign fuse 10a Abs ind. Abs rly ctrl Battery Body control module (behind right side of dash) Brake Brake fluid level in Brake fluid level switch (in brake master cylinder res) C1 c1 D b Data line Electronic brake control module (ebcm) (inside left front fender) Electronic brake control relay Electronic power steering system Ets off switch Evo actuator ctrl Evo/abs sol fuse 15a F12 G112 (2.4l) G117 (3.4l) Ground Hot at all times Hot in on & start Ign Ignition Ind. Ind. ctrl Instrument panel cluster Interior lights system L fnt mtr-hi L fnt mtr-lo Left front abs solenoid (left rear of engine compt) Left front motor Left front wheel speed sensor Left i/p junction block Left rear wheel speed sensor Lft frt sol feed Lft frt spd sens + Lft frt spd sens - Lft rear spd sens + Lft rear spd sens - Low trac Microprocessor Nca Pnk Pontiac only Powertrain control module (below left side of dash) Rear motor Rear mtr-hi Rear mtr-lo Red Right front abs solenoid (left rear of engine compt) Right front motor Right front wheel speed sensor Right rear wheel speed sensor Rt fnt mtr-hi Rt fnt mtr-lo Rt frt sol ctrl Rt frt spd sens + Rt frt spd sens - Rt rear spd sens + Rt rear spd sens - Serial data Steering whl pos sens Steering whl pos sens in Stop lamp sw in Stop lps fuse 20a Stoplight switch (below left side of dash) Tan Trac off Underhood junction block
ANTI-THEFT Anti-theft Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Anti-theft Wiring Diagram for Oldsmobile Alero GL 1999: 17 Body control module (behind right side of dash) Data link connector (below left side of dash) Engine controls system Hot in acc, run or start Ignition key Instrument cluster Ipc/bfc acc fuse 10a Left i/p fuse block (behind left side of dash) Oldsmobile Passlock b(+) Passlock cylinder Passlock gnd Passlock sig Pontiac Serial data trans Srl data class 2 Theft system ind
BODY COMPUTER Body Computer Wiring Diagrams for Oldsmobile Alero GL 1999 List of elements for Body Computer Wiring Diagrams for Oldsmobile Alero GL 1999: 78 (2000) (left side of dash) g202 (left side of engine compt) g100 A/c bfc fuse 10a A/c sw A/c system A10 A11 A12 Ambient light sensor (top of dash trim pad) Anti-lock brake system Anti-theft system B10 B11 B12 Bfc batt fuse 10a Body control module (behind right side of dash) Computer data lines system Cruise cancel Cruise control system Cruise fuse 10a Ctsy lp out Door handle sw Door hdl sw Door lock Door locks system Dr lk rly Dr lk rly ctrl Drl photocel Drl rly Drl signal Engine coolant level switch (right side of engine compt) Exterior lights system Fog lp out Fog lp rly Fuse out Ground Headlights system Hi beam out Horn rly Horns system Hot at all times Hot in acc, on or start Hot in on or start Hot in run Ign key cyl Inadv pwr out Int lps fuse 10a Interior lights system Ipc/bfc acc fuse 10a Key rem sw Left i/p junction block Low beam out Low beam rly Low coolant lev Mrd sens sig Mrd sensor rtn Oil chnge re Park brake switch Pk brk sig Pk lp feed Pk lp rly Pnk Power dr lk Remote keyless entry circuit Reset switch Right i/p junction block Seat belt sw Serial data Serial data sig Trac ctrl Trk rel Trunk release system Trunk rly Underhood junction block Warning system Washer flu lev Washer solvent level sensor (inside left front fender)
COMPUTER DATA LINES Computer Data Lines for Oldsmobile Alero GL 1999 List of elements for Computer Data Lines for Oldsmobile Alero GL 1999: 19 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) G112 (left side of engine) G202 (left side of dash) Hot at all times Inflatable restraint sensing diagnostic module (sdm) (under right front seat, below carpet) Instrument panel cluster Ipc/hvac batt fuse 10a Left i/p junction block (behind left sideof dash) Olds Pontiac Powertrain control module (below left side of dash) Remote control door lock receiver (rfa) (on rear package shelf) Tan
COOLING FAN Cooling Fan Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Cooling Fan Wiring Diagram for Oldsmobile Alero GL 1999: 19 (l4) (v6) C10 Cool fan 1 fuse 30a Cool fan 2 fuse 15a D10 D11 F11 Fan control relay 1 Fan control relay 2 G103 (l4: lower front of engine) (v6: left side of engine) Hot at all times Lh cooling fan motor Lh fan control Mode control relay Powertrain control module (behind left side of dash) Rh cooling fan motor Rh fan control Underhood junction block (left side of engine compartment)
CRUISE CONTROL Cruise Control Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Cruise Control Wiring Diagram for Oldsmobile Alero GL 1999: 38 (2.4l vin t) (3.4l vin e) B12 B4 c1 Brake input 1 Brake input 2 Cruise control brake switch (below left side of dash) Cruise control module (right side of engine compt) Cruise control switch Cruise disable input Cruise disable output Cruise engaged input Cruise engaged output Cruise fuse 10a Cruise on input Cruise sw fuse 2a Exterior lights system G102 (left front shock tower) G202 (left side of dash) Ground Hot in run Ignition Left i/p junction block (behind left side of dash) Nca Off Powertrain control module (pcm) (below left side of dash) R/a Resume/accel input Right i/p junction block (behind right side of dash) S/c Set/coast input Sir coil assembly Underhood junction block (left side of engine compartment) Vehicle speed sensor (vss) (on rear of engine/transaxle) Vss high Vss input Vss low Vss output
DEFOGGERS Defogger Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Defogger Wiring Diagram for Oldsmobile Alero GL 1999: 41 (below left front seat) g300 (left side of dash) g202 (olds) (pontiac) (pontiac) c1 Alarm fuse 10a Antenna grid Antenna input Antenna output Antenna/ rear defogger Antenna/ rear defogger module (rear side of pass compt) C1 b Coax Fuse block (under left side of dash) Hot in run Hot in run, bulb test or start Htr-a/c fuse 25a Interior lights system Multi-function alarm module (behind left side of dash) Nca On/off Panel lamps Pnk Pnk c Rear defog ground Rear defog output Rear defog positive volt Rear defog relay input Rear defog switch Rear defog switch input Rear defogger Rear defogger relay (behind left side of dash) Rear defogger switch Rr def fuse 30a S200 S213 S231 S330 Sound system (radio) W/ rear W/o rear antenna grid
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Electronic Power Steering Wiring Diagram for Oldsmobile Alero GL 1999: 21 Abs fuse 40a Abs relay control Abs relay input Abs/ign fuse 10a B5 c1 Electronic brake control module (ebcm) (inside left front fender) Electronic brake control relay Evo solenoid Evo solenoid control Evo/abs fuse 15a Gnd Hot at all times Hot in run & start Ignition Nca Pnk Power steering pump actuator (right side of engine) Red Signal Steering wheel position sensor (below steering column) Underhood junction block (left side of engine compartment, on strut tower)
ENGINE PERFORMANCE
2.4L 2.4L VIN T, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GL 1999 List of elements for 2.4L VIN T, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GL 1999: 71 (below dash, left of steering column) data link connector (below left front seat) (w/ rc9) (w/o rc9) 5v ref A/c pres A/c refrigerant pressure sensor (front of eng compt) A/t iss sen hi B12 Battery C2 a Ckp ref Cmp sens Cruise control brake switch (below left side of dash) Cruise control system Cruise fuse 10a Ect sensor Egr valve Engine oil pressure sensor (top right rear of eng) Fuel level in Fuel pump motor Fuel tank module (in fuel tank) Fuel tank pres Fuel tank pressure sensor (under rear of vehicle) G114 (left rear of eng) G300 Gen term f Gen term l Generator Hot at all times Hot in acc, run or start Hot in run Hot in run or start Ign Ign ctrl 1-4 Ign ctrl 2-3 Inj 1 Inj 2 Instrument custer system Knock sensor (w/ rc9) (right rear side of eng) Knock sensor (w/o rc9) (right rear side of eng) Ks ref lo Ks signal Left i/p junction block Map sensor Nca Oil pres Pcm acc fuse 10a Pcm batt fuse 10a Pcm gnd Pcm ground Pcm/ign fuse 10a Pnk Powertrain control control (below left side of dash, near steering coumn) Red Right i/p junction block Serial data Tcc bk sw Tft sensor sig Throttle position sensor (on throttle body assembly) Tp sensor Tr sw a Tr sw input b Tr sw input c Tr sw input p Trans range a Trans range b Trans range c Transaxle range switch (left front top of transaxle) Under- hood junction block Vss high 2.4L VIN T, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GL 1999 List of elements for 2.4L VIN T, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GL 1999: 46 (left rear of eng) 1-2 shift solenoid valve 1-4 coil ctrl 2-3 coil ctrl 2-3 shift solenoid valve A pnk Auto tran fuse 10a Auto- matic input shaft speed sensor Automatic transaxle Automatic transaxle temperarture sensor B10 Ckp gnd Ckp sig Coil pos Crankshaft position sensor (lower left side of eng, near oil filter) D,2,1 sw Dr sw Engine coolant temperature sensor (right rear of eng) F/p injr fuse 15a Fuel injectors Fuel pump relay G114 Gnd Hot in run or start Ic input 1-4 Ic input 2-3 Ign Ign mod fuse 10a Ignition coils Ignition control module (top right rear of eng) Left i/p junc- tion block Lo sw Nca P,r,n,d4 sw Pnk Pressure control solenoid valve Red Ref low Ref sig Rev sw Tan Tcc sw To spark plugs Torque converter clutch pwm solenoid valve Underhood junction block Vehicle speed sensor (at rear of eng/ transaxle) 2.4L VIN T, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GL 1999 List of elements for 2.4L VIN T, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GL 1999: 72 (olds) (pontiac) 1-2 ss valve 2-3 ss valve A/ pres +5v A/c clutch rly A/c system A/t iss sen lo C11 Camshaft position sensor (top left side of eng) Cmp sens b+ Cmp sens gnd Cooling fans system Cruise control system Cruise diable Cruise engaged Ect sens Egr pintle pos Egr vlv Egr vlv +5v Erls fuse 10a Evap can vnt Evap canp Evaporative emission canister purge valve (lower left front of eng) Evaporative emission canister vent solenoid (under rear of vehicle) Exhaust gas recirculation (egr) valve solenoid (top left rear of eng) Fuel pump rly G114 (left rear of eng) G301 (below right front seat) Hot in run Iac coil a hi Iac coil a lo Iac coil b hi Iac coil b lo Iat sens Iat sens sig Icm ref lo Idle air control valve (left side of eng) Ign Inj 3 driver Inj 4 driver Instrument cluster Intake air temperature sensor (top rear of eng) Left fan ctrl Left i/p junction block c3 Malfunction indicator lamp Manifold absolute pressure sensor (left side of eng) Map sens +5v Map sensor Mil ctrl Nca Pc sol val ctrl Pcm gnd Post conv o2 Post- converter heated oxygen sensor no2 (near twc catalyst outlet) Powertrain control module (below left side of dash, near steering column) Pre conv o2 Pre conv o2 lo Pre- converter oxygen sensor no1 (in exhaust manifold) Red Red c Right fan ctrl Sensor gnd Tan Tan a Tan b Tcc pwm sol Tcc release sw Tp sens +5v Underhood junction block Vss low Vss out
3.4L 3.4L VIN E, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GL 1999 List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GL 1999: 74 (2000 calif) (below left front seat) (below dash, left of steering column) 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 Air vlv ctrl B12 Battery Bypass ctrl Ckp sen sig Cmp sens Cooling fans system Cruise control brake switch (below left side of dash) Cruise control system Cruise disable Cruise fuse 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 motor Fuel tank module (in fuel tank) G114 (left rear of eng) G300 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 junction block Maf sen sig Mass airflow flow sensor (top rear of eng) Pcm acc fuse 10a Pcm batt fuse 10a Pcm gnd Pcm ground Pcm/ign fuse 10a Pnk Pnk c Powertrain control module (below left side of dash, near steering column) Right fan ctrl Right i/p junction block S101 Sen gnd Serial data Tan Tcc bk sw Tft sen lo Tr sw input b Tran range a Transaxle range switch (on left front top of transaxle) Under- hood junction 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 GL 1999 List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GL 1999: 48 (left rear of engine) (left side of engine) 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 15a Fuel pump relay G112 G114 G117 (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 junction 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 S901 Tan Tan b Tcc sw Torque converter clutch pwm solenoid valve Underhood junction block 3.4L VIN E, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GL 1999 List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GL 1999: 81 (2000 calif) (near twc catalyst outlet) post converter heated oxygen sensor 2 (olds) (pontiac) (right exhaust manifold) pre-converter 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 Air pump (2000 calif) Air pump fuse 30a Air pump relay (2000 calif) Air relay ctrl Air solenoid valve (2000 california) Auto trans fuse 15a B8 b6 C11 Camshaft position sensor (front top of eng) Cmp sens b+ Cmp sens gnd Crankshaft position sensor (24x) (left front of eng) Cruise control system Cruise engage in Ect sen sig Egr val ign + Eng oil level sw Eng oil press in Erls fuse 10a Evap can vent Evaporative emission canister purge valve (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) G201 Gen term "e" in Gen term l out Generator Ho2s 1 sig Ho2s 2 sig Hot in run Hot in run or start 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 junction c3 block Malfunction indicator lamp Map sen sig Mil ctrl Nca Pc sol val ctrl Pnk Pnk a 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 junction block
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Back-up Lamps Wiring Diagram for Oldsmobile Alero GL 1999: 20 B11 Bu lmp/ btsi fuse 15a C3 c3 F5 pnk G313 (right side of rear package shelf) G314 (left side of rear package shelf) Hot in on or start Left backup lamp Left rear compartment lid backup/ tail lamp Left rear lamp assembly Left rear marker lamp assembly (pontiac) Oldsmobile Park/ neutral position switch (left front top of transaxle) Pontiac Right backup lamp Right i/p junction block (behind right side of dash) Right rear compartment lid backup/ tail lamp Right rear lamp assembly Right rear marker lamp assembly (pontiac) Underhood junction block Exterior Lamps Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Exterior Lamps Wiring Diagram for Oldsmobile Alero GL 1999: 56 (behind right side of dash) body control module (bcm) A10 A12 Automatic lamp control (alc) relay B10 B11 B12 C10 C12 C2 b Cruise control system F12 G102 (left front shock tower) G202 (left side of dash) G313 (right side of rear package shelf) G314 (left side of rear package shelf) Hazard Hazard lps fuse 10a Hazard switch Head High mounted stop lamp Hot at all times Hot in on or start Instrument cluster Interior lights system Left Left front park/ turn lamp Left front side marker lamp Left i/p junction block (behind left side of dash) Left rear compartment lid back-up/ taillamp Left rear lamp assembly Left turn indicator Normal Off Park Parklamp fuse 15a Pnk Radio Rear license lamp Right Right front park/ turn lamp Right front side marker lamp Right i/p junction block (behind right side of dash) Right rear compartment lid back-up/ taillamp Right rear lamp assembly Right turn indicator Stop Stoplamp switch (below left side of dash) Stoplamps fuse 20a Tail Timer Turn Turn stop Turn/ head- lamp/ wiper switch Turnlamps fuse 10a Underhood junction block (left side of engine compartment)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GL 1999 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GL 1999: 68 (3.4l vin e) (2.4l vin t) (olds) (or tan) (pont) (vin e) (vin t) A10 Air temperature actuator B (olds) d (pont) Battery Blower motor Body control module (bcm) Brake fluid level switch Brake fluid level switch (2.4l vin t) Brake transaxle shift interlock (btsi) solenoid Cigar lighter Console storage lamp Cruise control module D10 Data link connector (dlc) E10 Electronic brake control module (ebcm) Engine coolant level switch Engine oil level switch (3.4l vin e) Ets off switch Exhaust gas recirculation (egr) valve (2.4l vin t) Fog lamp switch G100 (left front of engine compt) G102 (left front shock tower) G112 (2.4l vin t) g117 (3.4l vin e) (left side of engine) (2.4l vin t) (right rear of engine) (3.4l vin e) G112 (left side of engine) G201 (right side of dash) G202 (left side of dash) Glove box lamp switch Hazard switch Headlamp switch Heater a/c control assembly Horn assembly Ignition control (ic) module (2.4l vin t) Ignition control (ic) module (3.4l vin e) Ignition switch Inflatable restraint sensing diagnostic module (sdm) Instrument cluster Left fog lamp (pont, olds w/ t37) Left front auxiliary park lamp (pont) Left front park/turn lamp Left i/p junction block Mass air flow (maf) sensor (3.4l vin e) Nca c Odometer reset switch (olds) Panel dimmer switch Park/neutral position switch Post converter heated oxygen sensor (ho2s) 2 Powertrain control module (pom) Pre- converter heated oxygen sensor (ho2s) 1 (3.4l vin e) Radio Right cooling fan motor Right fog lamp Right front auxiliary park lamp (pont) Right front park/turn lamp Steering wheel controls Transaxle indicator lamp Underhood junction block Vin e Vin t Washer motor Washer solvent level sensor Wiper motor assembly Ground Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GL 1999 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GL 1999: 40 (sedan) A31 only Ag1 Ah3 Audio amplifier Dome lamp Fuel tank module G300 (below left side of driver's seat) G301 (below right side of front passenger's seat) G313 (right side of rear package shelf) G314 (left side of rear package shelf) High mounted stop lamp Left front door courtesy switch Left front door lock switch Left front power window switch Left rear compartment lid backup/ tail lamp Left rear door ajar switch Left rear lamp assembly Left rear marker lamp assembly Left rear marker lamp assembly (pont) Nca Olds Pont Power mirror switch Power seat switch Rear compartment lid release Rear compartment lid release motor Rear defogger grid Rear license lamp Rearview mirror reading lamps Remote control door lock receiver Right front door courtesy switch Right front door lock switch Right front power window switch Right rear compartment lid backup/ tail lamp (olds) Right rear door ajar switch Right rear lamp assembly S201 Seat belt switch Sunroof assembly
HEADLIGHTS Headlight Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Headlight Wiring Diagram for Oldsmobile Alero GL 1999: 48 87a A10 c3 Al sens ref Al sens sig Alc relay Ambient light sensor (on top of dash) Automatic lamp control relay B12 c3 B3 c3 Body control module (behind right side of dash) C pnk D10 c2 Daytime running lamps relay Drl relay E8 c2 F12 c2 Flash-to-pass Fog lamp relay Fog lamp switch Fog lp relay Fog lp sw Fog lps fuse 10a G102 (left front shock tower) G201 (right side of dash) G202 (left side of dash) Head High High beam High beam in Hot at all times Hot in run Htr a/c ign fuse 10a Left fog lamp Left headlamp Lh hdlp fuse 15a Low Low beam Low beam in Off On indicator Pnk Ptc Rh hdlp fuse 15a Right fog lamp Right headlamp Right i/p junction block (right side of dash) Turn/headlamp/ wiper switch Underhood junction block (left side of engine compt)
HORN Horn Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Horn Wiring Diagram for Oldsmobile Alero GL 1999: 15 Body control module (below right side of dash) C12 C2 a G102 (left front shock tower) Ground splice pack Horn assembly (inside right front fender) Horn fuse 15a Horn relay Horn relay control Horn slip ring Horn switch Hot at all times Hz horn Turn/ headlamp/ wiper switch Underhood junction block (left side of engine compartment, on strut tower)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Instrument Cluster Wiring Diagram for Oldsmobile Alero GL 1999: 69 (3.4l) (left side of dash) 2.4l 3.4l A10 A11 A12 A3 data link connector (below dash, left of steering column) Abs indicator Air bag indicator Anti-theft indicator B10 B11 B12 Batt Body computer system Body control module (behind right side of dash) Brake indicator Change oil indicator Cruise indicator Electronic brake control module (inside left front fender) Engine coolant temperature gauge Engine coolant temperature indicator Exterior lights system Fuel gauge G202 Gnd Headlights system Hi beam indicator Hi beam out Hot at all times Hot in accy, run or start Ign Illuminaton Instrument cluster Interior lights system Ipc/ bfc acc 10a Ipc/hvac batt fuse 10a Left i/p junction block Left turn indicator Lo beam out Low coolant indicator Low coolant level Low fuel indicator Low tire pressure indicator Low traction indicator Low wash indicator Microprocessor Mil ctrl Odometer reset input Odometer reset switch Oil level indicator Oil pressure indicator Park brake signal Pnk Powertrain control module (below left side of dash, near steering column) Rfa module Right turn indicator Seat belt indicator Serial data Serial data class 2 Service engine soon indicator Service engine soon indicator (malfunction indicator lamp) Speedometer Tachometer Traction off indicator Up shift indicator (w/ m/t only) Volts indicator Washer fluid level
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Courtesy Lamps Wiring Diagram for Oldsmobile Alero GL 1999: 40 (olds level 2) A11 A12 B10 B11 Bfc batt fuse 10a Body control module (bcm) (behind right side of dash) C d C11 Dome Dome & rear reading lamps Dome lamp Door Door input G201 (right side of dash) G301 (below right side of front passenger's seat) G314 (left side of rear package shelf) Glove box lamp switch Ground splice pack Hot at all times Int lps fuse 10a Left courtesy lamp Left front door dome switch Left front door lock switch Left i/p junction block (behind left side of dash) Left rear door jamb switch Lf door input Off Panel dimmer switch Power Power control Reading Rear compartment courtesy lamp Rear compartment lid release motor Rearview mirror reading lamps Right courtesy lamp Right front door dome switch Right front door lock switch Right i/p junction block (behind right side of dash) Right rear door jamb switch Instrument Illumination Wiring Diagram (1 of 2) for Oldsmobile Alero GL 1999 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Oldsmobile Alero GL 1999: 37 (oldsmobile) (pontiac) A6 (pontiac) (oldsmobile) Alc park lamp relay Body control module (bcm) (behind right side of dash) C1 b1 C2 j C3 b5 Console storage lamp Cruise sw lps fuse 2a E12 E16 F12 G201 (right side of dash) G202 (left side of dash) Ground splice pack Hazard switch Heater a/c control assembly Hot at all times Inst lps fuse 10a Instrument cluster (5 bulbs) Lamp dimmer module (behind left side of dash) Nca Oldsmobile Panel dimmer switch Park lps fuse 15a Pontiac Pontiac only Radio Right i/p junction block (behind right side of dash) Sir coil assembly Sound systems Steering wheel controls To right i/p junction block (diagram 2 of 2) Traction switch Transaxle shift indicator light Underhood junction block (left side of engine compartment) Instrument Illumination Wiring Diagram (2 of 2) for Oldsmobile Alero GL 1999 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Oldsmobile Alero GL 1999: 15 C1 b From right a i/p junction block (diagram 1 of 2) G300 (below left side of driver's seat) G301 (below right side of passenger's seat) Ground splice pack Left front door dome switch Left front door lock switch Left front power window switch Power mirror switch Right front door dome switch Right front door lock switch Right front power window switch Right i/p junction block (behind right side of dash) W/ power windows W/o power windows
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GL 1999 List of elements for Power Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GL 1999: 97 (olds) (oldsmobile) f1 (pont) (pont) (olds) (pontiac) 87a A nca A12 Abs batt fuse 10a Abs fuse 40a Ag1 Ah3 Amplifier Automatic lamp control relay Aux pwr/cigar fuse 20a Auxiliary power outlet (olds) B10 B11 Battery Bfc batt fuse 10a Blower motor relay Body control module (bcm) Brake switch C12 Cigar lighter Cool fan 1 fuse 30a Cool fan 2 fuse 15a D10 Data link connector (dlc) Daytime running lamps relay Door lock relay Door unlock relay Dr lock fuse 15a E12 Electronic brake control module (ebcm) Electronic brake control relay Evo solenoid Evo/abs sol fuse 15a Fan control relay 1 Fan control relay 2 Fog lamps relay Fog lps fuse 10a From a gen bat fuse (diagram 1 of 2) From b fan control relay 2 (diagram 1 of 2) From c abs fuse (diagram 1 of 2) G202 (left side of dash) Gen batt fuse 10a Generator Hazard lps fuse 15a Hazard switch Heater-a/c control assembly Hi blo mot fuse 30a Horn fuse 15a Horn relay Ign sw batt 1 fuse 40a Ign sw batt 2 fuse 30a Instrument cluster Int lps fuse 10a Ipc/hvac batt fuse 10a Left front abs solenoid Left front door unlock relay (auo) Left headlamp assembly (olds) Left i/p junction block Lh bec batt 1 fuse 40a Lh bec batt 2 fuse 30a Lh hdlp fuse 15a Mode control relay Olds only Park lamp relay Park lps fuse 15a Pcm batt fuse 10a Power mirror switch Power seat switch Powertrain control module (pcm) Pwr mirror fuse 10a Pwr seat circuit breaker 25a Radio Radio batt fuse 10a Rear compartment lid release relay Rear defogger relay Red Remote control door lock receiver Rh bec batt fuse 30a Rh hdlp fuse 15a Right front abs solenoid Right headlamp assembly Right i/p junction block Rr defog fuse 30a Starter solenoid Stop lps fuse 20a To hi blo mot fuse (diagram 1 of 2) To icc batt fuse (diagram 1 of 2) To ign-sw batt 2 fuse (diagram 1 of 2) To ignition switch (diagram 2 of 2) Trunk rel/rfa fuse 10a Turn/headlamp/ wiper switch assembly Underhood junction block Power Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GL 1999 List of elements for Power Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GL 1999: 80 (2.4l vin t) (3.4l vin e) (olds) (pont) A/c bfc fuse 10a A/c compressor clutch relay A11 A12 Abs ign fuse 10a Acc Air bag fuse 10a Air temperature actuator Auto trans fuse 10a Automatic transaxle B l Body control module (bcm) Bu lmp/ btsi fuse 15a C11 Cruise control brake switch Cruise control module Cruise control switch Cruise fuse 10a Cruise sw fuse 2a Daytime running lamps relay Electronic brake control module (ebcm) Electronic brake control relay Erls fuse 10a Evaporative emission canister purge valve Evaporative emission canister vent solenoid F/p injr fuse 15a F11 From ign sw batt 1 fuse (diagram 1 of 2) From ign sw batt 2 fuse (diagram 1 of 2) From ignition switch (diagram 2 of 2) Fuel injectors (3.4l vin e) Fuel pump relay Hazard switch Heater-a/c control assembly Htr a/c ign fuse 10a Hvac blower fuse 20a Ign mod fuse 10a Ignition control (ic) module Ignition switch Inflatable restraint sensing and diagnostic module (sdm) Instrument cluster Ipc/bfc acc fuse 10a Left front power window switch Left i/p junction block Lock Mass air flow (maf) sensor (3.4l vin e) Nca Park/ neutral position switch Park/neutral position switch Pcm acc fuse 10a Pcm ign fuse 10a Pnk Post converter heated oxygen sensor (ho2s) 2 Powertrain control module (pcm) Pre converter heated oxygen sensor (ho2s) 1 Pwr wndws circuit breaker 25a Radio Rdo acc fuse 10a Rdo switch fuse 2a Rear defogger relay Red Right front power window switch (coupe) Right i/p junction block S101 (injector harness, top rear of engine) Sir coil assem- bly Sir coil assembly (pont) Start Sunroof assembly Sunroof fuse 20a 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/ headlamp/ wiper switch Underhood junction block Wiper fuse 25a Wiper motor assembly
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Power Door Lock Wiring Diagram for Oldsmobile Alero GL 1999: 40 (3nk) (3nl) (w/ rfa) (w/o rfa) Battery (b+) Body control module (behind right side of dash) C d C10 Door lock fuse 15a Door lock relay Door unlock relay Driver door lock relay (w/ rfa) E c E10 F10 G202 G301 (below right side of front passenger's seat) G313 Ground Ground splice pack Ground splice pack (left side of dash) Ground splice pack (right side of rear package shelf) Hot at all times Interior lights system Left front door lock actuator Left front door lock switch Left i/p junction block (behind left side of dash) Left rear door lock actuator Lock Remote control door lock receiver (under rear package shelf) Right front door lock actuator Right front door lock switch Right i/p junction block (behind right side of dash) Right rear door lock actuator Serial data class 2 Tan Trunk rel/rfa fuse 10a Unlock W/ keyless entry system W/o keyless entry system
POWER MIRRORS Power Mirror Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Power Mirror Wiring Diagram for Oldsmobile Alero GL 1999: 20 (left side of dash) B10 Down Drive unit Driver outside rearview mirror G300 (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 10a Right To interior lights system Up-dn
POWER SEATS 2-Way Adjustable Power Seat Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for 2-Way Adjustable Power Seat Wiring Diagram for Oldsmobile Alero GL 1999: 8 Driver seat adjuster switch G300 (below left side of driver's seat) Hot at all times Left i/p junction block Power seat circuit breaker 25a Ptc S201 Seat vertical motor 6-Way Power Seat Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for 6-Way Power Seat Wiring Diagram for Oldsmobile Alero GL 1999: 16 Back Down Driver seat adjuster switch Entire seat For- ward Front height G300 (below left side of driver's seat) Hot at all times Left i/p fuse block Nca Power seat circuit breaker 25a Rear height Seat front vertical motor Seat horizontal motor Seat rear vertical motor Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Oldsmobile Alero GL 1999 List of elements for Power Top/Sunroof Wiring Diagrams for Oldsmobile Alero GL 1999: 31 (on headliner) sun roof assembly A12 Battery C301 Close Close input G314 (left side of rear package shelf) Gnd Ground splice pack Hot in run Hot w/headlamp switch in park or head Inst lps fuse 10a Interior lights system Limit switches Motor close Motor open Nca Open Open input Pnk Power sun roof motor assembly Power sun roof switch Range input Red Right i/p wiring harness junction block (on right end of dash) Soft stop Soft stop input Sun roof control module Sunroof fuse 20a Switch gnd Vent stop
POWER WINDOWS Power Window Wiring Diagram, 2 Door for Oldsmobile Alero GL 1999 List of elements for Power Window Wiring Diagram, 2 Door for Oldsmobile Alero GL 1999: 21 (1999-00) (2001) C3 b8 Down Express down Express down module G300 (below left side of driver's seat) Ground Ground splice pack Hot in on Interior lights system Left front Power window pwr wndw 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 GL 1999 List of elements for Power Window Wiring Diagram, 4 Door for Oldsmobile Alero GL 1999: 25 Down Express Express down module G300 (below left side of driver's seat) Hot in on Illumination lamp Interior lights system Left front Left front power window switch Left front window motor Left rear Left rear window motor Left rear window switch Lock out switch Pwr window circuit breaker 25a Right front Right front window motor Right front window switch Right i/p junction block (behind right side of dash) Right rear Right rear window motor Right rear window switch Solid state Sp301 Tan
RADIO Radio Wiring Diagrams, with Amplifier for Oldsmobile Alero GL 1999 List of elements for Radio Wiring Diagrams, with Amplifier for Oldsmobile Alero GL 1999: 75 A10 A11 A12 Antenna amplifier module (right rear of pass compt) Antenna choke Antenna input Audio amplifier (left side of rear compt) B1 c1 B10 B11 B12 B5 c3 Batt Battery voltage C1 a1 C10 C12 Dim display in E10 E11 E12 E13 E14 E15 E16 Exterior lights system F10 F11 F12 F13 F14 F15 F16 G202 (left side of dash) G314 (left side rear package shelf) Grd Hot at all times Hot in acc or on Ign voltage Interior lights system Left front speaker Left front tweeter speaker Left i/p junction block (behind left side of dash) Left rear speaker Lf speaker (+) Lf speaker (-) Lr (+) in Lr (+) out Lr (-) in Lr (-) out Lr speaker (+) Lr speaker (-) Nca Power antenna Prk lmp input Radio Radio acc fuse 10a Radio battery fuse 10a Rear antenna defogger grid Rear defogger system Red Rf speaker (+) Rf speaker (-) Right front speaker Right front tweeter speaker Right i/p junction block (behind right side of dash) Right rear speaker Rr (+) in Rr (+) out Rr (-) in Rr (-) out Rr speaker (+) Rr speaker (-) Tan Trunk rel/ rfa/rdo amp fuse 10a Radio Wiring Diagrams, without Amplifier for Oldsmobile Alero GL 1999 List of elements for Radio Wiring Diagrams, without Amplifier for Oldsmobile Alero GL 1999: 61 A10 A11 Antenna amplifier module (right rear of pass compt) Antenna choke Antenna input B1 c1 B10 Battery voltage C1 a1 C10 C12 Dim display in E10 E11 E12 E13 E14 E15 E16 Exterior lights system F10 F11 F12 F13 F14 F15 F16 G202 (left side of dash) Grd Hot at all times Hot in acc or on Ign voltage Interior lights system Left front speaker Left front tweeter speaker Left i/p junction block Left i/p junction block (behind left side of dash) Left rear speaker Lf speaker (+) Lf speaker (-) Lr speaker (+) Lr speaker (-) Nca Power antenna Prk lmp input Radio Radio acc fuse 10a Radio battery fuse 10a Rear antenna defogger grid Rear defogger system Red Rf speaker (+) Rf speaker (-) Right front speaker Right front tweeter speaker Right i/p junction block Right i/p junction block (behind right side of dash) Right rear speaker Rr speaker (+) Rr speaker (-) Tan
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Shift Interlock Wiring Diagram for Oldsmobile Alero GL 1999: 10 A/t shift lock control solenoid (under center console) B-u lmp/ btsi fuse 15a G201 (right side of dash) Ground splice pack Hot in on & start Left i/p fuse block Park/ neutral position switch Pnk Stoplamp switch (below left side of dash) Underhood fuse block
STARTING/CHARGING Charging Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Charging Wiring Diagram for Oldsmobile Alero GL 1999: 31 (2.4l) (3.4l) (behind right side of dash) body conrol module (not used) p A10 Battery C1 b9 C1 e7 Computer data lines G100 (left front of engine compt) G112 (left side of engine) Gen batt fuse 10a Gen terminal f input Gen terminal l control Generator Hot at all times Hot in accy, run and start Instrument cluster Ipc/bfc acc fuse 10a Left i/p junction block (behind left side of dash) Power distribution system Powertrain control module (pcm) (below left side of dash) Red Serial data class 2 Serial data spi clock Serial data spi receive Serial data spi transmit Solid state Starter solenoid Underhood junction block (left side of engine compt, on strut tower) Volts ind Starting Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Starting Wiring Diagram for Oldsmobile Alero GL 1999: 19 (left front of transaxle) Acc Battery F11 G100 (left front of engine compt) G112 (left side of engine) Generator Hold- in coil Ign-sw batt 1 fuse 40a Ignition switch Lock Park/ neutral position switch r Pull- in coil Red Run Start Starter motor Starter solenoid Underhood junction block (left side of engine compt, on strut tower)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Supplemental Restraint Wiring Diagram for Oldsmobile Alero GL 1999: 34 (olds) b5 b12 (pontiac) (upper right side of dash) inflatable restraint i/p module A a Air bag fuse 10a Air bag ind B11 B12 Body control module (bcm) (behind right side of dash) Data link connector (dlc) (below dash, left of steering column) Driver side high Driver side low G201 g201 (right side (right side of dash) of dash) G300 (below left side of driver's seat) Hot in run, bulb test or start Ign Ign pos volt Inflatable restraint sensing and diagnostic module (sdm) (under right front seat, below carpet) Inflatable restraint steering steering wheel wheel module module coil coil Inflatable restraint steering wheel module (in steering (in steering wheel) wheel) Instrument cluster Left i/p junction block (behind left side of dash) of dash) Lf seat belt Nca Pass side high Pass side low Right i/p junction block (behind right side of dash) Seat belt switch Serial data line Shorting bar Shorting shorting bar bar Sir ground Tan Warning lamp
TRANSMISSION
2.4L 2.4L VIN T, A/T Wiring Diagram, 4T40-E for Oldsmobile Alero GL 1999 List of elements for 2.4L VIN T, A/T Wiring Diagram, 4T40-E for Oldsmobile Alero GL 1999: 78 (rear of engine/ transaxle) vehicle speed sensor 1-2 shift sol 1-2 ss ctrl 2-3 shift sol 2-3 ss ctrl A/t iss sens hi A/t iss sens lo Auto trans fuse 10a Automatic transaxle (4t40-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 Cruise control brake switch Cruise control system Cruise fuse 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) G114 (left rear of engine) Gnd Hot at all times Hot in acc, run or start Hot in run Hot in run or start Ign (1) Ign (2) Instrument cluster Instrument cluster system Ipc/ bfc acc fuse 10a Left i/p junction block (left side of dash) Malfunction indicator lamp Mil ctrl Olds P,r,n,d4,lo Pc sol ctrl hi Pc sol ctrl lo Pcm acc fuse 10a Pcm batt fuse 10a Pcm ground Pcm/ ign fuse 10a Pnk Pontiac Powertrain control module (left side of dash) Pressure control sol Red Rev,d,2,1 Right i/p junction block (right side of dash) Serial data Tan Tcc pwm sol Tcc rel sw Tcc release Tcc vlv ctrl Tcc/ brake switch Tft sens gnd Tft sens sig Throttle position sensor 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 Transaxle range switch (left front top of transaxle) Underhood junction block (left side of engine compt) Vehicle speed sensor Vss Vss hi (signal) Vss lo (ground)
3.4L 3.4L VIN E, A/T Wiring Diagram, 4T45-E for Oldsmobile Alero GL 1999 List of elements for 3.4L VIN E, A/T Wiring Diagram, 4T45-E for Oldsmobile Alero GL 1999: 74 1-2 shift sol 2-3 shift sol A/t sensor hi A/t sensor lo Auto trans fuse 10a Automatic transaxle (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 control brake switch Cruise control system Cruise fuse 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) G114 (left rear of engine) 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 cluster Instrument cluster system Ipc/ bfc acc fuse 10a Left i/p junction block (left side of dash) Maf sensor Malfunction indicator lamp Mil ctrl Olds P,r,n,lo,d4 Park/ neutral position switch (on transaxle) Pc sol hi Pc sol lo Pcm acc fuse 10a Pcm batt fuse 10a Pcm ground Pcm ign fuse 10a Pnk Pontiac Powertrain control module (left side of dash) Pressure control sol Red Rev,d,2,1 Right i/p junction block (right side of dash) Serial data Tan Tcc pwm sol Tcc release Tcc release in Tcc/ brake switch Tft sensor gnd Tft sensor in Throttle position sensor 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 junction block (left side of engine compt) Vehicle speed sensor (rear of engine/ transaxle) Vss hi in Vss lo in
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Oldsmobile Alero GL 1999 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Oldsmobile Alero GL 1999: 18 (not used) A9 c3 Body control module (behind right side of dash) C5 c3 C8 c2 F3 c1 G300 (below left side of driver's seat) G314 (left side of rear package shelf) Ground splice pack Hot at all times Interior lights system Left i/p junction block (left side of dash) Rear compartment lid release motor Rear compartment lid release relay Rear compartment lid release switch Remote con- trol door lock receiver (rear package shelf) Trunk rel/ rfa/radio amp fuse 10a W/ rke
WARNING SYSTEMS Warning System Wiring Diagrams for Oldsmobile Alero GL 1999 List of elements for Warning System Wiring Diagrams for Oldsmobile Alero GL 1999: 65 (below dash, left of steering column) data link connector (dlc) 2.4l 3.4l A/c bfc fuse 10a A10 A11 A12 B10 B11 B12 Batt positive voltage Bfc batt fuse 10a Body control module (bcm) (behind right side of dash) C12 C3 b12 C3 b9 C3 c11 Dome Engine coolant level switch (right side of eng compt) G102 (left front shock tower) G202 (left side of dash) G300 (below left side of driver's seat) G301 (below right side of front passenger's seat) Ground Handle Head Hot at all times Hot in on or start Ign 1 pos voltage Ignition switch (key warning switch) Inadvertent power out Instrument cluster Int lps fuse 10a Interior lamps cntrl Interior lights system Key in ign in Left front door dome switch Left front door lock switch Left i/p junction block Left rear door jamb switch Lft frt door dome in Low eng coolant input Low oil press, hi temp, low fuel, brake, service eng, check oil, volts ind Low washer solvent in Micro- processor Nca Off Other door dome in Park Park brake in Park brake switch Park lamp in Parklamp fuse 15a Pnk Powertrain control module (pcm) (below left side of dash) Right front door dome switch Right front door lock switch Right i/p junction block Right rear door jamb switch Seat belt sw in Seat belt switch (part of driver's seat belt buckle) Second- ary latch Turn/ headlamp/ wiper switch assembly Underhood junction block Washer solvent level sensor (inside left front fender)
WIPER/WASHER Wiper/Washer Wiring Diagram for Oldsmobile Alero GL 1999 List of elements for Wiper/Washer Wiring Diagram for Oldsmobile Alero GL 1999: 17 And frame rail) G102 (left front shock tower) G202 (left side of dash) Hi lo Hot in accy or run Left i/p junction block (behind left side of dash) Mist Off Pulse Red Turn/headlamp/ wiper switch Washer motor (between reservoir Washer switch Wiper fuse 25a Wiper motor assembly (left side of firewall) Wiper motor control Wiper switch
