All Wiring Diagrams for Oldsmobile Alero GL 2003

AIR CONDITIONING

2.2L VIN F

2.2L VIN F, Compressor Wiring Diagram for Oldsmobile Alero GL 2003

List of elements for 2.2L VIN F, Compressor Wiring Diagram for Oldsmobile Alero GL 2003:

(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

2.2L VIN F, Manual A/C Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 2.2L VIN F, Manual A/C Wiring Diagram for Oldsmobile Alero GL 2003:

(lower front of engine)
A/c
A/c bfc fuse 37 10a
A/c compressor clutch
A/c compressor clutch diode
A/c compressor clutch relay
A/c disable
A/c on
A/c press sig
A/c refrigerant pressure sensor (front of eng compt)
A/c request
A/c request input
A/c request output
A10
A11
Air temperature actuator (right side of hvac assembly)
B10
Battery voltage
Bi- lvl
Blower hvac relay
Blower motor
Blower motor resistor assembly (below right side of dash)
Blower switch
Body control module (bcm) (behind right side of dash)
C1 a5
C1 b11
C10
C11
Compressor clutch relay control
Computer data lines system
Cool fan 1 fuse 8 30a
Cool fan 1 relay
Cool fan 2 fuse 52 15a
Cool fan 2 relay
Cool fan mode relay
Def
Def on
Defogger system
Door ctrl input
E10
Ect sensor
Engine coolant temperature (ect) sensor (right rear of engine)
Exterior lights system
G10
G103
G103 (lower front of engine)
G201 (left side of dash, near fuse block)
G202
G203 (right side of dash, near fuse block)
Gnd
Ground
Heat
Heat/ def
Heater command output
Hi blo mot fuse 53 30a
High
High speed fan control
Hot at all times
Hot in run
Hot in run & start
Htr-a/c fuse 46 10a
Hvac blower fuse d 20a
Hvac control assembly
Ign
Ign 3 voltage
Illum
Interior lights system
Ipc/hvac batt fuse l 10a
K10
L10
Left cooling fan
Left i/p fuse block (behind left side of dash)
Low
Low ref
Low speed fan control
M10
Max
Mode request
Mode switch
Off
Olds only
Osa
Osa on
Osa request
Powertrain control module (pcm) (below left side of dash)
Rear defog
Rec
Rec on
Rec request
Right cooling fan
Right i/p fuse block (behind right side of dash)
Serial data class 2
Splice pack sp103
Splice pack sp201
Splice pack sp202 (left side of dash, near fuse block)
Splice pack sp203
Tan
Underhood fuse block (in left side of engine compartment, on strut tower)
Underhood fuse block (left side of engine compt, on strut tower)
Vent
Volt ref

3.4L VIN E

3.4L VIN E, Compressor Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Compressor Wiring Diagram for Oldsmobile Alero GL 2003:

(front of engine compt)
(left side of engine, on trans- mission stud)
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
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 VIN E, Manual A/C Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Manual A/C Wiring Diagram for Oldsmobile Alero GL 2003:

(left side of engine, on trans- mission stud)
A/c
A/c bfc fuse 37 10a
A/c compressor clutch
A/c compressor clutch diode
A/c compressor clutch relay
A/c disable
A/c on
A/c press sig
A/c refrigerant pressure sensor (front of eng compt)
A/c request
A/c request input
A/c request output
A10
A11
Air temperature actuator (right side of hvac assembly)
B10
Battery voltage
Bi- lvl
Blower hvac relay
Blower motor
Blower motor resistor assembly (below right side of dash)
Blower switch
Body control module (bcm) (behind right side of dash)
C1 a5
C1 b11
C10
C11
Compressor clutch relay control
Computer data lines system
Cool fan 1 fuse 8 30a
Cool fan 1 relay
Cool fan 2 fuse 52 15a
Cool fan 2 ground fuse 55 30a
Cool fan 2 relay
Cool fan mode relay
Def
Def on
Defogger system
Door ctrl input
E10
Ect sensor
Engine controls system
Engine coolant temperature (ect) sensor (right rear of engine)
Exterior lights system
G10
G103
G103 (left side of engine, on trans- mission stud)
G201 (left side of dash, near fuse block)
G202
G203 (right side of dash, near fuse block)
Gnd
Ground
Heat
Heat/ def
Heater command output
Hi blo mot fuse 53 30a
High
High speed fan control
Hot at all times
Hot in run
Hot in run & start
Htr-a/c fuse 46 10a
Hvac blower fuse d 20a
Hvac control assembly
Ign
Ign 3 voltage
Illum
Interior lights system
Ipc/hvac batt fuse l 10a
K10
L10
Left cooling fan
Left i/p fuse block (behind left side of dash)
Low
Low ref
Low speed fan control
M10
Max
Mode request
Mode switch
Off
Olds only
Osa
Osa on
Osa request
Powertrain control module (pcm) (below left side of dash)
Rear defog
Rec
Rec on
Rec request
Right cooling fan
Right i/p fuse block (behind right side of dash)
S102 (in trans harness)
Serial data class 2
Splice pack sp103
Splice pack sp201
Splice pack sp202 (left side of dash, near fuse block)
Splice pack sp203
Tan
Underhood fuse block (in left side of engine compartment, on strut tower)
Underhood fuse block (left side of engine compt, on strut tower)
Vent
Volt ref

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Anti-lock Brakes Wiring Diagram for Oldsmobile Alero GL 2003:

(2.2l)
(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, near steering column)
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, near fuse block)
Splice pack sp203 (right side of dash, near fuse block)
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 GL 2003

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List of elements for Anti-theft Wiring Diagram for Oldsmobile Alero GL 2003:

(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 CONTROL MODULES

Body Control Modules Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Body Control Modules Wiring Diagram for Oldsmobile Alero GL 2003:

(oldsmobile)
(w/ abs)
(w/o abs)
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)
Brake fluid level sens sig
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 (on left side of eng compt, near strut)
G202 (on left side of dash, near fuse block)
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 (part of park brake assembly)
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
W/ abs
Warning system
Washer fluid level sensor (inside left front fender)
Windshield washer fluid level
Wo/ abs

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Computer Data Lines Wiring Diagram for Oldsmobile Alero GL 2003:

(2.2l: on lower front of eng, 3.4l: in front of eng)
(on left side of dash, near fuse block)
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)
Digital radio receiver
Electronic brake control module (ebcm) (inside left front fender)
G102
G201
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, near steering column)
Radio
Remote control door lock receiver (rcdlr) (on rear package shelf)
Splice pack sp102
Splice pack sp201

COOLING FAN

2.2L VIN F

2.2L VIN F, Cooling Fan Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 2.2L VIN F, Cooling Fan Wiring Diagram for Oldsmobile Alero GL 2003:

A10
A11
B10
C 1995 vftc
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
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
Left cooling fan
Low ref
Low speed fan control
Powertrain control module (pcm) (below left side of dash)
Right cooling fan
Splice pack sp103
Underhood fuse block (in left side of engine compartment, on strut tower)

3.4L VIN E

3.4L VIN E, Cooling Fan Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Cooling Fan Wiring Diagram for Oldsmobile Alero GL 2003:

(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
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
Left cooling fan
Low ref
Low speed fan control
Powertrain control module (pcm) (below left side of dash)
Right cooling fan
S102 (in trans harness)
Splice pack sp103

CRUISE CONTROL

Cruise Control Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Cruise Control Wiring Diagram for Oldsmobile Alero GL 2003:

(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

Defoggers Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Defoggers Wiring Diagram for Oldsmobile Alero GL 2003:

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)

ENGINE PERFORMANCE

2.2L VIN F

2.2L VIN F, Engine Performance Wiring Diagram (1 of 3) for Oldsmobile Alero GL 2003

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List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (1 of 3) for Oldsmobile Alero GL 2003:

(a/t)
(m/t)
(pontiac) (olds)
(right kick panel)
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)
Hi spd cool fan rly
Hot at all times
Hot in acc, run or start
Hot in run
Hot in run 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
Splice pack sp302
Tan
Tcc/ brake switch (below left side of dash)
Underhood fuse block (left side of engine compt)

2.2L VIN F, Engine Performance Wiring Diagram (2 of 3) for Oldsmobile Alero GL 2003

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List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (2 of 3) for Oldsmobile Alero GL 2003:

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 or start
Ign mod 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 Diagram (3 of 3) for Oldsmobile Alero GL 2003

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List of elements for 2.2L VIN F, Engine Performance Wiring Diagram (3 of 3) for Oldsmobile Alero GL 2003:

(inj harn, 16 cm from c130)
1-2 ss
2-3 ss
5v ref
A4 pnk
Auto trans fuse 38 10a
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 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
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 VIN E

3.4L VIN E, Engine Performance Wiring Diagram (1 of 3) for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (1 of 3) for Oldsmobile Alero GL 2003:

(below dash, left of steering column)
(front of starter) g102
(injector harn, 16 cm from c130)
(right kick panel) g302
1-2 ss ctrl
2-3 ss ctrl
5 volt ref a
A/c press gnd
A/t iss hi
A/t iss lo
B12
Battery
Body control module (behind right side of dash)
Cmp sens
Cooling fans system
Cruise control system
Cruise disable
Cruise fuse e 10a
Data link connector
Egr sen gnd
Egr val ctrl
Engine spd sig
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
Hi spd sig
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 ref lo
Ic timing
Ign
Instrument custer system
Knock sensor (lower left side of eng)
Ks signal
Left i/p fuse block
Lo spd sig
Low ref
Maf sen sig
Mass airflow flow sensor (top rear of eng)
Medium spd sig
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 i/p fuse block
S101
Sen gnd
Serial data
Tan
Tcc bk sw
Tcc/ brake switch (below left side of dash)
Tfp sw a
Tft sen lo
Tr sw input b
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 Diagram (2 of 3) for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (2 of 3) for Oldsmobile Alero GL 2003:

(transmission harness)
1-2 shift solenoid valve
2-3 shift solenoid valve
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
Ckp sens
Crankshaft position sensor b (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 (front of starter)
G103 (left side of engine)
Gnd
Hot in run or start
Ic timing
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 ref
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
Speed sig
Tan
Tan b
Tcc sw
Torque converter clutch pwm solenoid valve
Underhood fuse block

3.4L VIN E, Engine Performance Wiring Diagram (3 of 3) for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Engine Performance Wiring Diagram (3 of 3) for Oldsmobile Alero GL 2003:

(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
A/c comp rly
A/c press +5v
A/c refrig press
A/c system
B11
B8 b6
C11
Camshaft position sensor (front top of eng)
Ckp sens +12v
Ckp sens gnd
Cmp sens +12v
Cmp sens gnd
Crank fuse 54 10a
Crank voltage
Crankshaft position sensor a (behind crankshaft pulley)
Cruise control system
Cruise engage in
Ect sen sig
Egr +5v
Egr sens
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)
Ftp sens +5v
Fuel inj 4
Fuel level in
Fuel pump rly
Fuel tank press
Fuel tank pressure sensor (under rear of vehicle)
G203
Gen turn on sig
Generator
Ho2s 1 htr low
Ho2s 1 sig
Ho2s 2 sig
Hot in run
Iac coil a hi
Iac coil a lo
Iac coil b lo
Iat sen sig
Ign
Instrument cluster
Left i/p fuse block
Low ref
Malfunction indicator lamp
Map sen sig
Mil ctrl
Nca
Pc sol val hi
Pc sol val lo
Pnk
Powertrain control module (below left side of dash, near steering column)
Red
Red l
Sen gnd
Starter relay
Starting system
Tan
Tcc pwm sol ctrl
Tcc release sw
Tfp sw b
Tfp sw c
Tft sens sig
Throttle position sensor (on throttle body)
Tp sen in
Tps +5v
Tr sw c in
Tr sw p in
Trans range a
Underhood fuse block

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Back-up Lamps Wiring Diagram for Oldsmobile Alero GL 2003:

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 GL 2003

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List of elements for Exterior Lamps Wiring Diagram for Oldsmobile Alero GL 2003:

(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 3) for Oldsmobile Alero GL 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 3) for Oldsmobile Alero GL 2003:

(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 right front (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)
Daytime running lamps resistor
E10
Electronic brake control module (ebcm)
Engine oil level switch (3.4l)
Fog lamp left front
Fog lamp right front
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- left front
Park/turn signal lamp- right front
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 3) for Oldsmobile Alero GL 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 3) for Oldsmobile Alero GL 2003:

(coupe)
(level 1) (level 2)
(olds)
(pont)
(sedan)
4-way adjust
6-way adjust
A10
A12
Air temperature actuator
Body control module (bcm)
D c
Digital radio receiver
Door ajar
Door ajar switch- left rear
Door jamb switch- left front
Door jamb switch- right front
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)
Hwac control assembly
I/p dimmer switch
Ignition switch
Instrument panel cluster (ipc)
Nca
Olds
Outside rear view mirror switch
Radio
Rear compartment lid release
Seat adjuster switch- driver
Seat belt switch
Sedan
Splice pack sp202
Splice pack sp301
Splice pack sp302
Switch- right rear
Traction control switch
Trip odometer reset switch
Window switch-
Window switch- front passenger

Ground Distribution Wiring Diagram (3 of 3) for Oldsmobile Alero GL 2003

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List of elements for Ground Distribution Wiring Diagram (3 of 3) for Oldsmobile Alero GL 2003:

Audio amplifier
Back-up lamp-right
Backup lamp- left
Center high mounted stop lamp (chmsl)
Dome lamp
G401 (left side of rear package shelf)
G402 (right side of rear package shelf)
Inside rearview mirror/ w/ reading lamps
Lamp assembly- left rear
Lamp assembly- right rear
License lamp
Nca
Olds
Pont
Rear compartment lid backup/ tail lamp- left rear
Rear compartment lid backup/ tail lamp- right rear
Rear compartment lid release actuator
Rear window defogger grid
Remote control door lock receiver (rcdlr)
Splice pack sp401
Splice pack sp402
Sunroof module

HEADLIGHTS

Headlights Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Headlights Wiring Diagram for Oldsmobile Alero GL 2003:

.31 ohms
A10 c3
A12
Al sens ref
Al sens sig
Ambient light sensor (on top of dash)
Auto hdlp ctrl relay
B12 c3
B3 c3
Body control module (behind right side of dash)
C4 c3
C9 c2
Computer data lines system
D10
D11 c2
Daytime running lamps resistor (center rear of impact bar)
Drl relay
F12
Flash-to-pass
Fog lamp switch
Fog lp relay
Fog lp sw
Fog lps fuse f 10a
Fog lps relay
G101 (near left front shock tower)
G201 (left front 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 46 10a
Instrument panel cluster (ipc)
Left fog lamp
Left headlamp assembly
Lh hdlp fuse 51 15a
Lo beam rly
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
Rh hdlp fuse 50 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 rear side of engine compt, on strut tower)

HORN

Horn Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Horn Wiring Diagram for Oldsmobile Alero GL 2003:

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 GL 2003

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List of elements for Instrument Cluster Wiring Diagram for Oldsmobile Alero GL 2003:

(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 light system
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
Park lamp sw on
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 GL 2003

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List of elements for Courtesy Lamps Wiring Diagram for Oldsmobile Alero GL 2003:

A11
A12
B(+) voltage
B10
B11
Base
Bfc batt fuse 10a
Body control module (bcm) (behind right side of dash)
C11
Ctsy lps low
Dome
Dome & rear reading lamps
Dome lamp
Door
Except
Except base
G202
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 dimmier 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 (left side of dash)
Splice pack sp203
Splice pack sp302
Splice pack sp401

Instrument Illumination Wiring Diagram (1 of 2) for Oldsmobile Alero GL 2003

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Oldsmobile Alero GL 2003:

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 GL 2003

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Oldsmobile Alero GL 2003:

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 (1 of 2) for Oldsmobile Alero GL 2003

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List of elements for Power Distribution Wiring Diagram (1 of 2) for Oldsmobile Alero GL 2003:

(olds)
(pont)
(pont) (olds)
(right rear of eng) (3.4l)
4-way adjust
6-way adjust
8 speaker system
A nca
A12
A4 (pont) a12
Abs fuse 50a
Accessory power outlet (olds)
Audio amplifier
Auto hdlp control relay
Auto prk lmp crtl relay
Aux pwr/cigar fuse 20a
B a
B10
B11
B12
Battery
Bfc batt fuse 10a
Body control module (bcm)
C12
Cigar lighter
Cool fan 1 fuse 30a
Cool fan 1 relay
Cool fan 2 fuse 15a
Cool fan 2 ground fuse 30a
Cool fan 2 relay
Cool fan mode relay
Cooling fan- right (3.4l)
Data link connector (dlc)
Digital radio receiver
Door lock relay
Door unlock relay
Dr lock fuse 15a
Driver door unlock relay (auo)
Drl relay
E11
E12
Electronic brake control module (ebcm)
F12
Fog lps fuse 10a
Fog lps relay
From a gen bat fuse (diagram 1 of 2)
From c abs fuse (diagram 1 of 2)
From fan b control relay 2 (diagram 1 of 2)
Fuse block- left i/p
Fuse block- right i/p
Fuse block- underhood
G103
G201 (left side of dash)
Gen batt fuse 10a
Generator
Generator (3.4l)
Hazard lps fuse 15a
Hazard switch
Headlamp-left headlamp-low beam- left
Headlamp-right headlamp-low beam- right
Hi blo mot fuse 30a
Horn fuse 15a
Horn relay
Hvac blower relay
Hvac control assembly
I/p dimmer module
I/p dimmer switch
Ign sw batt 1 fuse 40a
Ign sw- batt 2 fuse 30a
Inst lps fuse 10a
Instrument panel cluster
Int lps fuse 10a
Interior & exterior lamps system
Ipc/hvac batt fuse 10a
L/h bec batt 2 fuse 30a
Lh bec batt 1 fuse 40a
Lh hdlp fuse 15a
Olds only
Outside rearview mirror switch
Park lps fuse 15a
Pcm batt fuse 10a
Powertrain control module (pcm)
Pwr mirror fuse 10a
Pwr seat circuit breaker 25a
R/h bec batt fuse 30a
Radio
Radio batt fuse 15a
Rear fog lps relay
Red
Red a
Remote control door lock receiver (rcdlr)
Rh hdlp fuse 15a
Rr defog fuse 30a
Rr defog relay
Seat adjuster switch- driver
Splice pack sp301 (left side of passenger compartment at rocker panel)
Starter relay
Starter solenoid
Stop lps fuse 20a
Stoplamp switch
To abs batt fuse (diagram 1 of 2)
To hi blo mot fuse (diagram 1 of 2)
To ign-sw batt 2 fuse (diagram 1 of 2)
To ignition switch (diagram 2 of 2)
Trunk rel relay
Trunk rel/ radio amp fuse 20a
Turn signal/ multifunction switch
Uplevel & 4 speaker system

Power Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GL 2003

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List of elements for Power Distribution Wiring Diagram (2 of 2) for Oldsmobile Alero GL 2003:

(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
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/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)
Park/neutral position switch
Pcm acc fuse 10a
Pcm ign fuse 10a
Pnk
Powertrain control module
Powertrain control module (pcm)
Pwr wndws circuit breaker 25a
Rear defogger relay
Red
Sir coil assembly
Start
Sunroof fuse 20a
Sunroof module
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 Locks Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Power Door Locks Wiring Diagram for Oldsmobile Alero GL 2003:

(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 GL 2003

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List of elements for Electrochromic Mirror Wiring Diagram for Oldsmobile Alero GL 2003:

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 Mirrors Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Power Mirrors Wiring Diagram for Oldsmobile Alero GL 2003:

(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 GL 2003

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List of elements for 2-Way Adjustable Power Seat Wiring Diagram for Oldsmobile Alero GL 2003:

C 1995 vftc
Driver seat adjuster switch
G301 (on left side of passenger compt, at kick panel)
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 GL 2003

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List of elements for 6-Way Power Seat Wiring Diagram for Oldsmobile Alero GL 2003:

Back
C 1995 vftc
Driver seat adjuster switch
Forw
Front down
Front up
G301 (on left side of passenger compt, at kick panel)
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 Diagram for Oldsmobile Alero GL 2003

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List of elements for Power Top/Sunroof Wiring Diagram for Oldsmobile Alero GL 2003:

(on left side of package shelf) sp401
A12
Close sig
G401
Ground
Hot in on
Ign 3 vol
Low ref
Nca
Open sig
Pnk
Right i/p fuse block (behind right side of dash)
S309
Sunroof fuse 1 20a
Sunroof motor/ actuator (behind headliner, front of sunroof)
Sunroof switch

Power Top/Sunroof Wiring Diagram, Early Production for Oldsmobile Alero GL 2003

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List of elements for Power Top/Sunroof Wiring Diagram, Early Production for Oldsmobile Alero GL 2003:

(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 Windows Wiring Diagram, 2 Door for Oldsmobile Alero GL 2003

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List of elements for Power Windows Wiring Diagram, 2 Door for Oldsmobile Alero GL 2003:

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 Windows Wiring Diagram, 4 Door for Oldsmobile Alero GL 2003

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List of elements for Power Windows Wiring Diagram, 4 Door for Oldsmobile Alero GL 2003:

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 Diagram, with Amplifier (1 of 2) for Oldsmobile Alero GL 2003

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List of elements for Radio Wiring Diagram, with Amplifier (1 of 2) for Oldsmobile Alero GL 2003:

(if equipped) digital radio receiver
(on left side of dash) g202
(on right rear pillar, beneath trim) antenna choke
A10
A11
A12
Am/
Ant in (sat)
Ant in (terr)
Antenna amplifier module (on right rear pillar, beneath trim)
Antenna input
Antenna voltage
Aud out -
B10
B11
B12
Bare
Battery
C1 a1
C10
C12
Coax
Computer data lines system
Cruise control system
Defogger system
Digital radio antenna
Dn seek
Dn vol
Drain wire
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 aud +
Lf speaker (+)
Lf speaker (-)
Lr speaker (+)
Lr speaker (-)
Lt remote aud sig
Mute
Nca
Oldsmobile
Play
Pontiac
Pre-
Prk lamp voltage
Radio
Radio antenna
Radio battery fuse 15a
Radio on sig
Rear antenna defogger grid
Rem aud sig out -
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 (-)
Rt aud +
Rt remote aud sig
Serial data
Set
Splice pack sp202
Steering wheel assembly (pontiac)
Tan
Up seek
Up vol

Radio Wiring Diagram, with Amplifier (2 of 2) for Oldsmobile Alero GL 2003

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List of elements for Radio Wiring Diagram, with Amplifier (2 of 2) for Oldsmobile Alero GL 2003:

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 front speaker (tweeter)
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 Diagram, without Amplifier for Oldsmobile Alero GL 2003

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List of elements for Radio Wiring Diagram, without Amplifier for Oldsmobile Alero GL 2003:

(on left side of dash) g202
(on right rear pillar, beneath trim) antenna choke
A10
A11
A12
Am/
Ant in (sat)
Ant in (terr)
Antenna amplifier module (on right rear pillar, beneath trim)
Antenna input
Antenna voltage
Aud out -
B10
B11
B12
Bare
Battery
C10
C12
Coax
Computer data lines system
Cruise control system
Defogger system
Digital radio antenna
Digital radio receiver (if equipped)
Dn seek
Dn vol
Drain wire
Exterior lights system
G201 (left side of dash)
G202 (left side of dash)
G203 (right side of dash)
G405 (on lower left corner of rear compartment)
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 aud +
Lf speaker (+)
Lf speaker (-)
Lr speaker (+)
Lr speaker (-)
Lt remote aud sig
Mute
Nca
Oldsmobile
Play
Pontiac
Pre-
Prk lamp voltage
Radio
Radio antenna
Radio battery fuse 15a
Radio on sig
Rear antenna defogger grid
Red
Rem aud sig out -
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 (-)
Rt aud +
Rt remote aud sig
Serial data
Set
Splice pack sp202
Steering wheel assembly (pontiac)
Tan
Up seek
Up vol

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Shift Interlock Wiring Diagram for Oldsmobile Alero GL 2003:

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

Charging Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Charging Wiring Diagram for Oldsmobile Alero GL 2003:

(2.2l only)
(2.2l)
(3.4l only)
(3.4l)
(behind right side of dash)
(g102 2.2l: on lower front of eng, 3.4l: in front of starter)
A (not used)
Battery
Body control module (bcm)
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
G104 (on left front side of eng compt)
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 center
Power distribution system
Powertrain control module (pcm) (below left side of dash, near steering column)
Red
Serial data class 2
Solid state
Sp102
Starter solenoid
Underhood fuse block (in left side of engine compt, on strut tower)
Volts ind

2.2L VIN F

2.2L VIN F, Starting Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 2.2L VIN F, Starting Wiring Diagram for Oldsmobile Alero GL 2003:

(left front top of transaxle)
A11
Acc
Automatic trans- mission
Automatic transmission
Batt
Battery
Clutch pedal position (cpp) switch
F11
Fusible link (10 ga- rust)
G102 (on lower front of engine)
G104 (on left front side of engine compt)
Generator
Ign-sw batt 1 fuse 40a
Ignition switch
Lock
Manual trans- mission
Manual transmission
Park/ neutral position switch
Red
Run
Splice pack sp102
Start
Starter motor
Starter solenoid
Underhood block fuse (in left side of engine compt, on strut tower)
Underhood fuse block (in left side of engine compartment, on strut tower)

3.4L VIN E

3.4L VIN E, Starting Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for 3.4L VIN E, Starting Wiring Diagram for Oldsmobile Alero GL 2003:

(not used)
(on left front side of engine compt)
A11
Acc
Batt
Battery
C1 b11
C1 b7
Crank fuse 10a
Crnk vlt
F11
Fusible link (10 ga- rust)
G102 (in front of starter)
G104
Generator
Ign-sw batt 1 fuse 40a
Ignition switch
Left i/p fuse block (behind left rear side of dash)
Lock
Park/ neutral position switch (left front top of trans- axle)
Pcm acc fuse 10a
Powertrain control module (below left side of dash, near steering column)
Red
Splice pack sp102
Start
Start rly
Starter motor
Starter relay 11
Starter solenoid
Under- hood fuse block
Underhood fuse block (in left rear side of eng compt, on strut tower)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Oldsmobile Alero GL 2003

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List of elements for Supplemental Restraints Wiring Diagram for Oldsmobile Alero GL 2003:

(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
Class 2 serial data
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
Ign
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)
Logic
Low control
Nca
Serial data
Shorting bar