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All Wiring Diagrams for Saturn Ion Red Line 2005 model

AIR CONDITIONING

Compressor Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Compressor Wiring Diagram for Saturn Ion Red Line 2005:

47

(at rear of engine, near coolant overflow container) (2.0l) powertrain control module (pcm)
(not used)
+5v
2.0l
2.2l
A/c clutch relay
A/c compressor clutch (at lower left front of engine)
A/c diode
A/c fuse 5 10a
A/c on led
A/c on/off
A/c press
A/c refrigerant pressure sensor (on lower left side of engine, below generator)
A/c relay
A/c request
A/c switch
A10
Aa1
Aa2
Aa3
Aa4
B11
Body control module (bcm) (at lower center of dash)
Class 2 data
Ect sens
Engine control module (ecm) (2.2l) (at left side of engine compt)
Engine coolant temperature (ect) sensor (2.0l: on top of engine, near right front corner of camshaft cover) (2.2l (vin f): on right rear side of engine, near exhaust manifold)
F10
G101 (behind left front headlamp)
G203 (behind lower left side of dash, left of steering column)
Hot at all times
Hot in run or start
Hvac control assembly
Hvac fan switch
Hvac fuse 7.5a
Ign 3 volt
Logic
Low ref
Off
Red
Run (ign 3) fuse 48 30a
Run relay
Run relay ctrl
Run/ crank relay
S101 (in forward lamp harness, near underhood fuse block connector)
S233 (in i/p harness, 5 cm from ambient light sensor breakout)
Underhood fuse block (at left rear side of engine compartment)

Manual A/C Wiring Diagram (1 of 2) for Saturn Ion Red Line 2005

List of elements for Manual A/C Wiring Diagram (1 of 2) for Saturn Ion Red Line 2005:

47

(at rear of engine, near coolant overflow container) powertrain control module (pcm)
(not used)
+5v
A/c clutch relay
A/c compressor clutch (at lower left front of engine)
A/c diode
A/c fuse 5 10a
A/c ind
A/c press
A/c relay
A/c request sig
A/c sig sw
A/c switch
A10
Bi-lvl
Blend
Class 2 data
Cooling fan relay ctrl
Cooling fan s/p relay ctrl
Def
Ect sens
Engine coolant temperature (ect) sensor (on top of engine, near right front corner of camshaft cover)
F10
G101 (behind left front headlamp)
Hot at all times
Hot in run or start
Htr
Hvac control assembly
Hvac fan switch
Ign 3 volt
Illum
Interior lights system
Logic
Low ref
Mode sw sig
Mode switch
Off
Rec dr ctrl a
Rec dr ctrl b
Rec sw sig
Recirc ind
Recirc switch
Run/ crank relay
S101 (in forward lamp harness, near underhood fuse block connector)
Tan
Underhood fuse block (at left rear side of engine compartment)
Vent

Manual A/C Wiring Diagram (2 of 2) for Saturn Ion Red Line 2005

List of elements for Manual A/C Wiring Diagram (2 of 2) for Saturn Ion Red Line 2005:

39

(attached to right side of radiator) cooling fan 2
(in engine harness, 1 cm from oil pressure switch) s160
(in engine harness, 5 cm from starter cable breakout) s156
(in front of engine compt, attached to top center of radiator) cooling fan s/p relay
(not used)
(on lower left rear of engine, above starter)
87a
A/c refrigerant pressure sensor (on lower left side of engine, below generator)
A/c request
Aa1
Aa2
Aa3
Aa4
B11
Blower motor (behind lower right side of dash, behind glove compt)
Blower motor resistor assembly (behind lower right side of dash, behind glove compt)
Body control module (bcm) (at lower center of dash)
Class 2 data
Cooling fan 1 (attached to left side of radiator)
Cooling fan 1 fuse 45 30a
Cooling fan 1 relay
Cooling fan 2 fuse 44 30a
Cooling fan 2 relay (in front of engine compt, attached to top right corner of radiator)
E1 c1
G105
G203 (behind lower left side of dash, left of steering column)
Hot at all times
Hvac fuse 7.5a
Logic
Motor breakout)
Recirculation actuator (behind lower right side of dash, near "a" pillar)
Red
Run (ign 3) fuse 48 30a
Run relay
Run relay ctrl
S158 (in engine harness, 6 cm from starter solenoid breakout)
S233 (in i/p harness, 5 cm from ambient light sensor breakout)
Tan
Underhood fuse block (at left rear side of engine compartment)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Anti-lock Brakes Wiring Diagram for Saturn Ion Red Line 2005:

56

(2.0l: at left side of engine, near coolant overflow container)
(2.2l: at left side of engine compartment)
2.2l 2.0l
Abs 1 fuse 22 20a
Abs 2 fuse 8 10a
Abs fuse 40 40a
Abs indicator
Battery
Body control module (bcm) (at lower center of dash)
Brake pressure modulator valve
Class 2 serial data
Electronic brake control module (ecbm) (at left side of engine compartment)
Engine control module (ecm) (2.2l) powertrain control module (2.0l)
Engine controls system
G109 (at left rear side of engine compartment)
G201 (behind lower left side of dash, left of steering column)
Ground
Hot at all times
Hot in run or start
Ign 1
Ign timing control
Instrument panel cluster
Left front wheel speed sensor (part of left front hub & bearing assembly)
Left rear wheel speed sensor (part of left rear hub & bearing assembly)
Lf inlet solenoid valve
Lf outlet solenoid valve
Lf wheel speed ref
Lf wheel speed sig
Logic
Lr inlet solenoid valve
Lr outlet solenoid valve
Lr wheel sen ref
Lr wheel sen sig
Message center
Pnk
Red
Rf inlet solenoid valve
Rf outlet solenoid valve
Rf wheel speed ref
Rf wheel speed sig
Right front wheel speed sensor (part of right front hub & bearing assembly)
Right rear wheel speed sensor (part of right rear hub & bearing assembly)
Rr inlet solenoid valve
Rr outlet solenoid valve
Rr wheel sen ref
Rr wheel sen sig
S221
Stop fuse 15a
Stop sw input
Tan
Traction control indicator control
Traction control switch (w/ traction control) (2.2l)
Traction control switch signal
Traction off indicator
Underhood fuse block (at left rear side of engine compartment)
Upper stop lamp switch (below left side of dash, attached to brake pedal bracket)

ANTI-THEFT

Anti-theft Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Anti-theft Wiring Diagram for Saturn Ion Red Line 2005:

53

(2.0l: at rear of engine, near coolant overflow container) (2.2l: at left side of engine compt) (2.0l) powertrain control module (pcm) (2.2l) engine control module (ecm)
(in body harness, 7.5 cm from rear compartment light breakout) s413
(near driver seat belt)
(near front left passenger seat belt)
2.0l
2.2l
5v ref
Acc
Ajar switch
B(+)
Bcm (pwr) fuse 15a
Bcm class 2 serial data
Bcm elect fuse 20a
Body control module (bcm) (at lower center of dash)
C2 c2
Cluster fuse 7.5a
Dash fuse 7.5a
Driver door jamb switch (left front of dash, on outer trim cover)
Driver door jamb switch signal
Ecm class 2 serial data
Engine controls system
Exterior lights system
Front passenger door jamb switch (right front of dash, on outer trim cover)
Fuel injector control
G201 (behind lower left side of dash, left of steering column)
G301 (under driver's seat)
G403 (under center of rear shelf)
Gnd
Horn relay ctrl
Horns system
Hot at all times
Ignition switch
Instrument panel cluster
Interior lights system
Left rear door jamb switch (sedan)
Lock
Logic
Nca
Off
Off/ run/ crank volt
Passenger door jamb switch signal
Rear compartment lid latch (in rear compartment lid)
Right rear door jamb switch (sedan)
Run
S221
S250
S351
S990
Security indicator
Security indicator control
Start
Trunk ajar switch signal
Turn/ hazard switch power

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Saturn Ion Red Line 2005

List of elements for Body Control Modules Wiring Diagram (1 of 2) for Saturn Ion Red Line 2005:

78

(sedan) mirrors system (coupe) power tops & mirrors systems
5v ref
A/c request sig
A10
Acc pwr
Acc voltage
Air conditioning system
Anti-lock brakes system
Anti-theft system
B (+)
B(+)
B11
Bcm class 2 ser data
Body control module (bcm) (at lower center of dash)
Computer data lines system
Defogger system
Drl amb light sen ref
Drl amb light sen sig
Drv dr jamb sw sig
Engine controls system
Exterior lights system
Fog lp rly ctrl
Fog lp sw sig
Fuel pump pwr
Fuel pump rly ctrl
G101 (behind left front headlamp)
G201 (behind lower left side of dash, left of steering column)
Ground
Headlamps off sig
Headlights system
High beam sig
Horn rly ctrl
Horns system
Hot at all times
Ign 1 pwr
Ign 3 pwr
Interior lights system
Ip batt 1 fuse 39 30a
Ip batt 1a fuse 47 30a
Ip batt 2 fuse 41 40a
Low beam pwr
Low beam sig
Low ref
Lp dim ctrl
Lt turn sig pwr
Off/run/crank pwr
Panel lp pwr
Park brake sw sig
Park lp pwr
Pass dr jamb sw sig
Pnk
Power distribution system
Power distribution system (ignition switch)
Power windows system
Pwr window sw lockout ctrl (sedan)
Rear defog rly ctrl
Rear defog sw sig
Red
Rt turn sig pwr
Run (ign 3) fuse 48 30a
Run/ crank fuse 38 30a
Run/ crank relay
Run/crank pwr
S101
S250
Security ind ctrl
Shift interlock system
Shift lk sol pwr
Sound systems
Stop lp sw sig
Trac ctrl ind
Trac ctrl sw sig
Turn/haz sw pwr
Underhood fuse block (at left rear side of engine compt)
Warning system
Washer pump ctrl
Wiper sw sig 1
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 2) for Saturn Ion Red Line 2005

List of elements for Body Control Modules Wiring Diagram (2 of 2) for Saturn Ion Red Line 2005:

61

Acc voltage
Air conditioning system
Anti-theft system
B(+)
Bcm class 2 ser data
Blower motor pwr
Body control module (bcm) (at lower center of dash)
Brake fluid lev sen sig
Class 2 serial data
Computer data lines system
Courtesy lp low ctrl
Cruise control & engine controls systems
Cruise control system
Cruise control system & electronic power steering systems
Defogger system
Door lk act lk ctrl
Door lk act unlk ctrl
Door locks system
Engine controls system
Exterior lights system
Fog lp rly ctrl
G301 (under driver's seat)
Ground
Ground (sedan)
Headlights system
High beam sig
Horn rly ctrl
Horns system
Ign 1 voltage
Ign 3 voltage
Inadvertent pwr
Instrument cluster system
Interior lights system
Left turn sig lp pwr
Lf dr lk act unlk ctrl
Lo coolant lev ind sig
Low beam sig
Mirrors system
Park lp pwr
Pass dr jamb sw sig
Pnk
Power distribution system (aux power outlet)
Power distribution system (ignition switch)
Rear defog rly ctrl
Red
Right turn sig lp pwr
Run/crank voltage
S351
Shift interlock system
Sound systems
Starting/charging system
Stop lp sw sig
Tan
Trunk ajar ind ctrl
Trunk rel motor pwr
Trunk, tailgate, fuel doors system
Warning system
Washer pump ctrl
Wiper mtr park sw sig
Wiper sw sig 2
Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Computer Data Lines Wiring Diagram for Saturn Ion Red Line 2005:

43

(i/p harness, 5cm from data link connector (dlc) breakout) s205
(not used)
2.0l
2.2l
A11
A12
Automatic transmission
B10
Bcm class 2 serial data
Body control module (bcm) (at lower center of dash)
Class 2 serial data
Data link connector (dlc) (under lower left side of dash)
Ebcm class 2 serial data
Electronic brake control module (ebcm) (w/ anti-lock brakes) (at left side of engine compartment)
Engine control (2.2l) powertrain control (2.0l) (2.2l: at left side of engine compartment) (2.0l: at rear of engine, near coolant overflow container)
Eps class 2 serial data
G201 (behind lower left side of dash, left of steering column)
G203 (behind lower left side of dash, left of steering column)
High speed gm lan serial data bus +
High speed gm lan serial data bus -
Hot at all times
Inflatable restraint sensing & diagnostic module (sdm) (under center console, behind emergency brake)
Instrument panel cluster
Ipc class 2 serial data
Lighter fuse 15a
Logic
Low speed gm lan serial data
Manual transmission
Module (ecm)
Module (pcm)
Power steering control module (pscm)
Radio
Resistor (in i/p harness, lower left side of dash, 6 cm from data link connector (dlc))
S215 (i/p harness, 6cm from data link connector (dlc) breakout)
S221
S233
Sdm class 2 serial data
Steering column assembly
Tan
Transmission control module (tcm) (2.2l) (at left rear of engine compartment, near strut tower)
Transmission control module (tcm) (automatic transmission only) (at left rear of engine compartment, near strut tower)
Vcim class 2 serial data
Vehicle communication interface module (vcim) (if equipped) (at center of rear package shelf, between rear speakers)

COOLING FAN

2.0L VIN P

2.0L VIN P, Cooling Fan Wiring Diagram for Saturn Ion Red Line 2005

List of elements for 2.0L VIN P, Cooling Fan Wiring Diagram for Saturn Ion Red Line 2005:

23

(in engine harness, 1 cm from oil pressure switch) s160
(in front of engine compt, attached to top right corner of radiator) cooling fan 2 relay
(not used)
87a
Cooling fan 1 (attached to left side of radiator)
Cooling fan 1 fuse 45 30a
Cooling fan 1 relay
Cooling fan 2 (attached to right side of radiator)
Cooling fan 2 fuse 44 30a
Cooling fan relay control
Cooling fan s/p relay (in front of engine compt, attached to top center of radiator)
Cooling fan s/p relay ctrl
Ect sensor sig
Engine coolant temperature (ect) sensor (on top of engine, near right front corner of camshaft cover)
F1 c1
G105
Hot at all times
Low ref
Powertrain control module (pcm) (at rear of engine, near coolant overflow container)
Red
S156 (in engine harness, 5 cm from starter cable breakout)
S158
Underhood fuse block

CRUISE CONTROL

Cruise Control Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Cruise Control Wiring Diagram for Saturn Ion Red Line 2005:

53

(behind steering wheel) inflatable restraint steering wheel module coil
2.0l
2.0l
2.2l
2.2l
5 volt ref a
5 volt ref b
5v ref a
5v ref b
Accelerator pedal position (app) sensor (below left side of dash)
All times
App sens 1 sig
App sens 2 sig
Body control module (bcm) (at lower center of dash)
Clutch pedal position (cpp) switch (m/t) (below left side of dash)
Clutch/brake fuse 7.5a
Cpp sw sig
Cruise control on ind
Ecm class 2 serial data
Engine control module (ecm) (2.2l) powertrain control module (pcm) (2.0l) (2.2l: at left side of engine compt) (2.0l: at rear of engine, near coolant overflow container)
Eps fuse 2a
G203 (behind lower left side of dash, left of steering column)
Hot at
Hot in acc or run
Instrument panel cluster (ipc)
Ipc class 2 serial data
Left steering wheel controls
Logic
Low ref
Lower stop lamp switch (below left side of dash, attached to brake pedal bracket)
Message center
Pnk
Resume/ accel
Right steering wheel controls
S227
S233
Set/ coast
Set/coast resume/ accelerate signal
Stop fuse 15a
Stop lamp sw sig
Tac mtr ctrl 1
Tac mtr ctrl 2
Tan
Tcc brake sw/cruise
Throttle body (2.0l: top left side of engine, below supercharger) (2.2l: top left side of engine)
Tp sens 1 sig
Tp sens 2 sig
Transmission control module (tcm) (a/t: at left rear of engine compt, near sturt tower)
Underhood fuse block (at left rear side of engine compt)
Upper stop lamp switch (below left side of dash, attached to brake pedal bracket)
Vehicle speed sensor (vss) (m/t: at rear of engine, on transaxle)
Vss high
Vss low

DEFOGGERS

Defoggers Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Defoggers Wiring Diagram for Saturn Ion Red Line 2005:

26

Body control module (bcm) (lower center of dash)
C2 a
C2 a10
C2 a12
C3 a10
G101 (behind left front headlamp)
G203 (behind lower left side of dash, left of steering column)
G403 (under center of rear shelf)
Hot at all times
Hvac control assembly
Logic
Rear defog indicator
Rear defog relay
Rear defog rly ctrl
Rear defog sw sig
Rear defog switch
Rear window defogger grid
Rr defog fuse 30a
S101
S233
S403
U10
U12
Underhood fuse block (at left rear side of engine compt)
V10
V12

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Electronic Power Steering Wiring Diagram for Saturn Ion Red Line 2005:

23

- c3
B(+)
Body control module (bcm) (at lower center of dash)
Class 2 serial data
Computer data lines system
Cruise control system
Electric power steering (eps) motor
Eps fuse 2a
Eps fuse 43 60a
G109 (at left rear side of engine compartment)
Ground
Hot at all times
Hot in run or start
Ignition 1
Logic
Pnk
Power steering control module (pscm)
Red
S227
Steering column assembly
Torque sensor
Underhood fuse block (at left rear side of engine compartment)
W/ cruise control

ENGINE PERFORMANCE

2.0L VIN P

2.0L VIN P, Engine Performance Wiring Diagram (1 of 4) for Saturn Ion Red Line 2005

List of elements for 2.0L VIN P, Engine Performance Wiring Diagram (1 of 4) for Saturn Ion Red Line 2005:

67

(at lower center of dash)
(left side of engine compt) electronic brake control module (ebcm)
+5v
+5v ref
A/c refrigerant pressure sensor (lower left side of engine, below generator)
A10
Acc
Acc volt
Accy
Air conditioning system
App sens 1 sig
App sens 2 sig
Battery
Body control module (bcm)
Class 2 data
Clu rly ctrl
Clutch pedal position (cpp) switch (below left side of dash)
Computer data lines system
Cooling fans system
Cpp sw sig
Cruise control system
Cruise sig
Data class 2
Ecm fuse 1 10a
Ecm fuse 13 10a
Evap sol ctrl
Evaporative emission canister vent solenoid
F pmp rly ctrl
Fan rly ctrl
Fuel pres sig
Fuel tank pressure (ftp) sensor (inside fuel tank)
G101 (behind left front headlamp)
Hi rly ctrl
Hot at all times
Hot in run or start
Iat2 sig
Ign sw fuse 1 2a
Ign1
Ignition switch
Instrument cluster
Load ctrl
Lock
Logic
Low ref
Main rly ctrl
Malfunc- tion indicator lamp
Mil ctrl
Off
Pnk
Pnp clu st sw
Powertrain control module (pcm) (at rear of engine, near coolant overflow container)
Red/pnk
Refrig pres sig
Rly coil ctrl
Rly ctrl
Run
Run/ crank relay 28
Run/crank fuse 38 30a k1
S101
Sens sig pri
Serial data
Start
Starting/charging system
Stop lp sig
Tan
Tcc brk sw
Underhood fuse block (left rear side of engine compt)

2.0L VIN P, Engine Performance Wiring Diagram (2 of 4) for Saturn Ion Red Line 2005

List of elements for 2.0L VIN P, Engine Performance Wiring Diagram (2 of 4) for Saturn Ion Red Line 2005:

30

(below left side of dash) accelerator pedal position (app) sensor
(in ignition coil harness, on top of engine)
(on top left of engine, under fuel rail assembly) fuel injectors
(on top of engine, under cover)
Boost fuse 14 10a
Ecm/etc fuse 9 15a
Emiss fuse 10 15a
Engine compt)
Evaporative emission (evap) canister purge solenoid (left side of
G105 (lower left rear of engine, above starter)
Hot at all times
Hot in run or start
Ign fuse 11 10a
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Injector fuse 16 10a
Logic
Manifold absolute pressure (map) sensor (top right front of engine, above supercharger)
Nca
Pnk
Power- train relay 28
S139
S140
S141
S142
Spark plug
Tan
Underhood fuse block (left rear side of engine compart)

2.0L VIN P, Engine Performance Wiring Diagram (3 of 4) for Saturn Ion Red Line 2005

List of elements for 2.0L VIN P, Engine Performance Wiring Diagram (3 of 4) for Saturn Ion Red Line 2005:

44

(pins 1-14 not used)
(pins 16-21 not used)
(pins 23-30 not used)
(pins 32-35 not used)
(pins 38-43 not used)
(pins 46-56 not used)
+5v
Ba1
Ba2
Ba3
Ba4
Baro sig
Barometric pressure sensor (on top left side of engine, behind supercharger inlet)
Bcm fuse 15a
Body control module (bcm) (at lower center of dash)
Clutch/ brake fuse 7.5a
Engine oil pressure (eop) switch (lower rear of engine, above starter)
Evap sol
Fuel pump
Fuel pump & sender assembly (inside fuel tank)
Fuel pump fuse 15a
Fuel pump relay
Fuel sender
G105 (lower left rear of engine, above starter)
G301 (under driver's seat)
Hot at all times
Hot in acc or run
Iat
Low ref
Lower stop lamp switch (below left side of dash, on brake pedal bracket)
Maf
Mass air flow/ inlet air temperature sensor (on left side of engine, above air cleaner)
Nca
Pnk
Powertrain control module (pcm) (at rear of engine near coolant over- flow container)
S351
Stop fuse 15a
Supercharger bypass valve solenoid (on top front center of engine, in front of camshaft cover)
Sw sig
Tan
Upper stop lamp switch (below left side of dash, on brake pedal bracket)
Vehicle speed sensor (at rear of engine, on transaxle)
Vss hi
Vss low

2.0L VIN P, Engine Performance Wiring Diagram (4 of 4) for Saturn Ion Red Line 2005

List of elements for 2.0L VIN P, Engine Performance Wiring Diagram (4 of 4) for Saturn Ion Red Line 2005:

44

(rear of engine compartment, in exhaust near catalytic converter) heated oxygen sensor 2
(rear of engine compt, in exhaust manifold) heated oxygen sensor 1
(top left of engine, left of camshaft cover) camshaft position (cmp) sensor
+5v
A tan
Ckp 1 sig
Cmp sig
Crankshaft position (ckp) sensor (lower rear of engine, below oil filter)
Ect sig
Engine coolant temperature (ect) sensor (top of engine, near right front corner of camshaft cover)
G105 (lower left rear of engine, above starter)
Gen sig
Gnd
Ho2s hi ctrl
Ho2s hi sig
Ho2s low sig
Iat sens sig
Ic 1 sig
Ic 2 sig
Ic 3 sig
Ic4 sig
Inj 1 ctrl
Inj 2 ctrl
Inj 3 ctrl
Inj 4 ctrl
Knock sensor (lower left side of engine, below throttle body)
Ks1 sig
Low ref
Maf sig
Map sig
Nca
Powertrain control module (pcm) (at rear of engine near coolant overflow container)
Red
Scip sig
Sol ctrl
Starting/ charging system
Starting/charging system
Supercharger inlet pressure (scip) sensor (top left of supercharger)
Tac ctrl 1
Tac ctrl 2
Tan
Throttle actuator control module
Tps1 sig
Tps2 sig

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Back-up Lamps Wiring Diagram for Saturn Ion Red Line 2005:

20

2.2l
A/t
Back-up fuse 15 10a
Backup lamp switch (at left side of engine compartment, on top of transaxle)
C12
C2 b12
Exterior lamps circuit
F11
G401 (under center of rear shelf)
G403 (under center of rear shelf)
Hot in run or start
Inside rearview mirror
Left backup lamp
M/t
Park/ neutral position(pnp) switch (on top of transaxle)
Pnk
Right backup lamp
S401 (premium)
S403
Underhood fuse block (at left rear side of engine compt)

Exterior Lamps Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Exterior Lamps Wiring Diagram for Saturn Ion Red Line 2005:

67

(behind left front headlamp) g101
(coupe)
(coupe) (sedan) b
(sedan)
(sedan) a
(sedan) g
Alc/ park relay
Anti-lock brakes system
Auto
B2 c2
Bb1
Bb2
Bb3
Bb4
Body control module (bcm) (at lower center of dash)
C2 f12
C3 a12
Center high mounted stop lamp (chmsl) (6 bulbs)
D11
D2 (not used)
E12
Engine controls/ transmissions system
G201 (behind lower left side of dash, left of steering column)
G203 (behind lower left side of dash, left of steering column)
G401 (under center of rear shelf)
G403 (under center of rear shelf)
Hazard switch
Head
Headlamp switch
Hot at all times
Instrument panel cluster (ipc)
Interior lights system
Left
Left backup lamp
Left front marker lamp (coupe)
Left front park/ turn signal lamp
Left tail/ stop lamp
Left tail/ turn signal lamp
Left turn signal ind
Left turn signal input
License lamp
Logic
Off
Park
Park fuse 15a
Park lamp relay ctrl
Right
Right backup lamp
Right front marker lamp (coupe)
Right front park/ turn signal lamp
Right tail/ stop lamp
Right tail/ turn signal lamp
Right turn signal ind
Right turn signal input
S101
S221
S260
S270 (in i/p harness, 5.5 cm from body control module (bcm) breakout)
S375
S401 (premium)
S403
S990
Stop fuse 15a
Turn signal/ multi- function switch
Turn switch
Underhood fuse block (at left rear side of engine compt)
Upper stop lamp switch (below left side of dash, attached to brake pedal bracket)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Saturn Ion Red Line 2005

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Saturn Ion Red Line 2005:

63

(coupe)
(if equipped) inside rearview mirror
(if equipped) sunroof module
(if equipped) sunroof switch
(in headliner harness, 10 cm from dome lamp breakout) s375
(not used)
(sedan)
(under center of rear shelf)
(w/ dual reading lamp) courtesy/ reading lamp
A/c compressor clutch
A/c diode
A10
A11
Audio amplifier
Battery
Center high mounted stop lamp (chmsl)
Coupe
D11
Digital radio receiver
Dome lamp
E17
Electronic brake control module (ebcm)
F10
Fog lamp relay 26
G101 (behind left front headlamp)
G109 (at left rear side of engine compartment)
G12
G401
G502 (at right rear side of trunk)
Horn
L10
L11
Left backup lamp
Left front fog lamp
Left front marker lamp
Left front park/turn signal lamp
Left tail/ stop lamp
Left tail/ turn signal lamp
Manual a/c
Onstar w/ s-band
Onstar w/o s-band
Power steering control module (pscm)
Q11
Rear defog relay 34
Right front fog lamp
Right front marker lamp
Right front park/turn signal lamp
Run/crank relay 28
S-band w/ onstar
S-band w/o onstar
S401 (in body harness, 13 cm from g401)
S415
Steering column assembly
Underhood fuse block (at left rear side of engine compartment)
V10
Vehicle communication interface module (vcim)
W/ abs
W/ premium sound
W/o premium sound
Windshield washer fluid pump
Windshield wiper motor assembly
Wiper 1 relay 32
Wiper 2 relay 32

Ground Distribution Wiring Diagram (2 of 3) for Saturn Ion Red Line 2005

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Saturn Ion Red Line 2005:

56

(behind lower left side of dash, left of steering column) g201
(in i/p harness, 10 cm from electronic power steering (eps) assembly breakout) s221
(in i/p harness, 5 cm from ambient light sensor breakout) s233
(not used)
(sedan)
(under driver's seat) g301
(w/ cruise control) left steering wheel controls
2.2l
A/t
A/t shift lock solenoid
A12
Automatic transmission (a/t) shift indicator lamp
Ba4
Bare
Blower motor
Body control module (bcm)
Brake fluid level switch
Coupe
Data link connector (dlc)
Driver door
Driver door lock switch
Driver window switch
Fog lamp switch
Front auxiliary power outlet
Front passenger door jamb switch
Front passenger door lock switch
Fuel pump & sender assembly
Fuel pump (fp)
Fuel pump relay
G203 (behind lower left side of dash, left of steering column)
Hazard switch
Headlamp relay
Horn switch
Hvac control assembly
Ignition lock cylinder control switch
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Jamb
Left rear door jamb switch
Left seat belt switch
Logic
Nca
Outside rearview mirror switch
Radio
Rear auxiliary power outlet
Right rear door jamb switch
S351 (in body harness, 38.5 cm from auxiliary power outlet breakout)
S355
S533 (in driver's door harness, 3.5 cm from driver's door lock switch breakout)
Sedan
Switch
Traction control switch
Turn signal/ multi-function switch
W/ power windows & power mirrors
W/o power windows & power mirrors

Ground Distribution Wiring Diagram (3 of 3) for Saturn Ion Red Line 2005

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Saturn Ion Red Line 2005:

29

A/t
Cooling fan
Cooling fan 2
Cooling fan s/p relay
Engine control module (ecm)
G103 (2.0l) (at lower left front side of engine compt)
G103 (2.2l) (at lower left front side of engine compartment)
G105 (2.0l) (on lower left rear of engine, above starter)
G105 (2.2l) (on lower left rear of engine, above starter)
G403 (under center of rear shelf)
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition control module (icm)
License lamp
Maf/iat sensor
Park/neutral position (pnp) switch
Powertrain control module (pcm)
Rear compartment lid latch
Rear window defogger grid
Right backup lamp
Right tail/ stop lamp
Right tail/ turn signal lamp
S141
S403 (in body harness, 13 cm from g403)
S990 (in deck lid harness, 10 cm from rear compartment lid release actuator breakout)
Super- charger inter- cooler coolant pump
Transmission control module (tcm)

HEADLIGHTS

Headlights Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Headlights Wiring Diagram for Saturn Ion Red Line 2005:

73

(deluxe) (front)
(w/ auto lamps)
A10
Ambient light sensor (2.2l, w/ auto lamps) (on top left side of dash)
Auto
B+ voltage
B10
Body control module (bcm) (at lower center of dash)
C11
C12
C2 f4
C3 a12
Class 2 serial data 2
Cluster fuse 7.5a
Computer data lines system
Coupe
D11
D12
Dimmer switch
E10
E12
F12
Flash
Fog lamp fuse 17 10a 15a
Fog lamp ind
Fog lamp relay 26
Fog lamp relay ctrl
Fog lamp switch
Fog lamp switch signal
G10
G101 (behind left front headlamp)
G12
G201 (behind lower left side of dash, left of steering column)
G203 (behind lower left side of dash, left of steering column)
H10
H12
Head
Headlamp relay (2.2l, w/ auto lamps) (behind lower left side of dash, near data link connector (dlc))
Headlamp switch
Headlamps off signal
High
High beam ind
High beam sig
Hot at all times
Instrument panel cluster
Interior lights system
Ipc class 2 serial data
Left front fog lamp b
Left front park/turn signal lamp
Left head- lamp
Lh hdlp fuse 18 15a
Light sensor low ref
Light sensor signal
Logic
Low
Low beam relay control
Low beam sig
Off
Park
Park barake switch signal
Park brake switch (attached to emergency brake)
Pnk
Rh hdlp fuse 4 15a
Right front fog lamp
Right front park/turn signal lamp
Right head- lamp
S101
S221
S233
S260
Sedan
Turn signal/ multi-function switch
Underhood fuse block (at left rear side of engine compt)

HORN

Horn Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Horn Wiring Diagram for Saturn Ion Red Line 2005:

14

Body control module (bcm) (at lower center of dash)
G101 (behind left front headlamp)
G203 (behind lower left side of dash, left of steering column)
Horn (at left front of vehicle)
Horn fuse 20 10a
Horn relay 25
Horn rly
Horn switch
Hot at all times
Inflatable restraint steering wheel module coil (behind steering wheel)
S101
S233
Tan
Underhood fuse block (at left rear side of engine compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Instrument Cluster Wiring Diagram for Saturn Ion Red Line 2005:

53

2.0l
2.2l
Abs ind
Air bag ind
Anti-theft system
Body control module (bcm) (at lower center of dash)
Brake ind
Charge ind
Class 2 (bcm)
Class 2 (bcm/ecm/ eps/ebcm)
Class 2 (ebcm)
Class 2 (ecm)
Class 2 (sdm)
Class 2 serial data
Cluster fuse 7.5a
Computer data lines system
Engine control module (ecm) (2.2l) (at left side of engine compt) powertrain control module (pcm) (2.0l) (at rear of engine, near coolant overflow container)
Engine controls system
Engine coolant temp gauge
Engine oil pressure switch (lower rear of engine, above starter)
Exterior lights system
Fuel gauge
Fuel level sen signal
Fuel pump & sender assembly (inside fuel tank)
Fuel sender
G201 (behind lower left side of dash, left of steering column)
Gauge pointer illumination
Ground
High beam ind
Hot at all times
Illumination (6 bulbs)
Instrument panel cluster (ipc)
Interior lights system
Ipc class 2 serial data
Left turn signal ind
Left turn signal input
Logic
Low ref bus
Malfunction ind
Nca
Oil pressure ind
Right turn signal ind
Right turn signal input
S250
Seat belt ind
Security ind
Security led driver
Speedometer
Tachometer
Trip odometer/ message center
Trip/ odometer message center illum
Trip/reset switch
Up-shift ind

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Courtesy Lamps Wiring Diagram for Saturn Ion Red Line 2005:

42

(in body harness, 7.5 cm from left rear speaker breakout) s411
Ajar switch
B(+)
Bcm (pwr) fuse 15a
Bcm elect fuse 20a
Body control module (bcm) (at lower center of dash)
Coupe
Courtesy lamp low control
Courtesy/ reading lamp (w/ dual reading lamp)
D401
Dash fuse 7.5a
Dome lamp
Door
Driver door jamb switch (left front of dash, on outer trim cover)
Driver door jamb switch signal
Front passenger door jamb switch (right front of dash, on outer trim cover)
G201 (behind lower left side of dash, left of steering column)
G301 (under driver's seat)
G401 (under center of rear shelf)
G403 (under center of rear shelf)
Ground
Hot at all times
Inadvertent power
Left rear door jamb switch (sedan) (near driver seat belt)
Logic
Map lights
Nca
Off
Passenger door jamb switch signal
Rear compartment courtesy lamp
Rear compartment lid release actuator
Right rear door jamb switch (sedan) (near front left passenger seat belt)
S221
S250
S351
S375
S413 (in body harness, 7.5 cm from rear compartment light breakout)
S990
Sedan
Trunk, tailgate, fuel doors system
W/ remote entry
W/o remote entry

Instrument Illumination Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Instrument Illumination Wiring Diagram for Saturn Ion Red Line 2005:

40

A12
Alc/ park relay
Auto
Automatic head lamps on-off control
Automatic transmission shift indicator lamp (a/t)
B(+)
Bb1
Bb2
Bb3
Bb4
Body control module (bcm) (at lower center of dash)
Dash fuse 7.5a
Fog lamp switch (deluxe fog lamps)
G201 (behind lower left side of dash, left of steering column)
G203 (behind lower left side of dash, left of steering column)
Gnd
Hazard switch
Head
Headlamp switch
Hot at all times
Hvac control assembly
Illumination
Inst panel lamps dim ctrl
Inst panel lamps power
Instrument panel cluster (ipc)
Instrument panel dimmer switch
Logic
Low ref
Off
Park
Park fuse 15a
Park lamp pwr
Park lamp rly ctrl
Radio
S221
S233
S250
S355
Traction control switch (w/ traction control powertrain management)
Turn signal/ multifunction switch

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Saturn Ion Red Line 2005

List of elements for Power Distribution Wiring Diagram (1 of 3) for Saturn Ion Red Line 2005:

79

(at left rear side of engine compt) underhood fuse block
(at lower center of dash) body control module (bcm)
(not used)
2.0l
2.2l
4 speed a/t
5v ref
A/c clutch relay 24
A/t
A10
A11
Aa2
Aa3
Abs fuse 22 20a
Abs fuse 40a
Abs fuse 8 10a
Acc
Audio amplifier (premium)
B1 c2
B11 c2
Ba2
Battery
Bcm elect fuse 20a
Body control module (bcm) (at lower center of dash)
C1 engine control module
Cluster fuse 7.5a
Cooling fan 2 fuse 44 30a (2.0l)
Cooling fan 2 relay
Cooling fan s/p relay
E4 c2
Ecm inline fuse 10a
Electronic brake control module
Electronic brake control module (ebcm)
Engine control module (ecm)
Fuel pump fuse 15a
Fuel pump relay
G101 (behind left front headlamp)
Generator
Ign sw fuse 2a
Ignition switch
Instrument panel cluster (ipc)
Ip batt 1 fuse 39 30a
Ip batt 1a fuse 47 30a
Ip batt 2 fuse 41 40a
Key-in switch
Left headlamp
Left rear side of engine compt) s104
Lh hdlp fuse 18 15a
Lock
Lock off
Logic
Off
Pnk
Powertrain control module
Powertrain control module (pcm) (2.0l)
Powertrain relay 29
Radio fuse 21 20a
Red
Rh hdlp fuse 4 15a
Right headlamp
Run
Run (ign 3) fuse 30a
Run relay
Run/ crank fuse 38 30a
Run/ crank relay
S101
S150 (in engine harness, 5 cm from engine harness breakout) red
S158 (in engine harness, 6 cm from starter solenoid breakout) red
S310
Start
Starter
Stop fuse 15a
Tcm (2.2l) ecm (2.0l) fuse 1 10a
To eps1 fuse 43, eps fuse 43 (underhood fuse block) (diagram 2 of 3)
To park fuse (body control module) (diagram 2 of 3)
To trans 2 fuse 13 (underhood fuse block) (diagram 3 of 3)
Transmission control module (tcm) (2.2l)
Transmission control module (tcm) (4 speed)
Upper stop lamp switch

Power Distribution Wiring Diagram (2 of 3) for Saturn Ion Red Line 2005

List of elements for Power Distribution Wiring Diagram (2 of 3) for Saturn Ion Red Line 2005:

75

(at left rear side of engine compt) underhood fuse block
(at lower center of dash) body control module (bcm)
(coupe)
(not used)
(sedan) c1
(w/ t37)
(w/ t96)
15a
A/c clutch relay 24
A/c fuse 5 10a
A/t
Ab1
Ab2
Ab3
Ab4
Acc relay
Acc relay control
Alc/park relay
B11
Bb1
Bb3
Bcm (pwr) fuse 15a
Cooling fan (2.2l) cooling fan 1 (2.0l) relay 30
Cooling fan 1 (2.0l) cooling fan (2.2l) fuse 45 30a
Crank fuse 46 30a
D12
Dash fuse 7.5a
Data link connector (dlc)
Digital radio receiver (w/ digital audio system s-band)
Driver window switch
E10
E12
Eps fuse 43 60a
Evaporative emission (evap) canister vent solenoid
F12
Fog lamp relay 26
From ip batt 1a fuse 47 & ip batt 1 fuse 39 (underhood fuse block) (diagram 1 of 3)
From ip batt 2 a fuse 41 (underhood fuse block) (diagram 1 of 3)
Front auxiliary power outlet (at front of center console)
Front passenger window switch
G10
G203 (behind lower left side of dash, left of steering column)
G301 (under driver's seat)
Horn fuse 20 10a
Horn relay 25
Ignition lock cylinder control actuator (4 speed)
Inside rearview mirror
Lighter fuse 15a
Logic
Lp fog fuse 17 10a
Onstar fuse 10a
Park fuse 15a
Pcm cont (2.2l) ecm cont (2.0l) relay 31
Power steering control module (pscm)
Pwr outlet fuse 15a
Pwr windows fuse 30a
Radio
Radio (acc) fuse 10a
Radio (batt 1) fuse 10a
Rear auxiliary power outlet (at rear of center console)
Rear compartment lid release switch
Rear defog relay 34
Red
Rr defog fuse 23 30a
S417 (w/ digital audio system s-band)
Steering column assembly
Sun roof fuse 15a
Sunroof switch
Turn signal/ multi-function switch
V12
Vehicle communication interface module (vcim)
Windshield wiper/ washer switch
Wiper 1 relay 32
Wiper fuse 19 25a
Wiper sw fuse 10a

Power Distribution Wiring Diagram (3 of 3) for Saturn Ion Red Line 2005

List of elements for Power Distribution Wiring Diagram (3 of 3) for Saturn Ion Red Line 2005:

35

(2.0l)
(2.2l)
(not used)
2.0l
2.2l
A/t
A10
Air bag fuse 10a
Automatic transmission (4 speed a/t)
Back-up fuse 15 10a
Back-up lamp switch (5 speed)
Body control module (bcm) (at lower center of dash)
Boost (2.0l) trans 1 (2.2l) fuse 14 10a
Clutch pedal position (cpp) switch (m/t)
Clutch start switch (5 speed m/t)
Clutch/brake fuse 7.5a
Electronic power steering (eps) assembly
Engine control module
Eps fuse 2a
From abs fuse d (underhood fuse block) (diagram 1 of 3)
Inflatable restraint sensing & diagnostic module (sdm)
Inflatable restraint steering wheel module coil
Left steering wheel controls
Lower stop lamp switch
M/t
Park/ neutral position switch (4 speed)
Pnk
Pnk (in i/p harness, 22 cm from turn signal/ multi-function switch breakout) s227
Powertrain control module (pcm)
Super charger boost control solenoid (2.0l)
Trans 2 (2.2l) ecm (2.0l) fuse 13 10a
Transmission control module (tcm) (4 speed a/t)
Underhood fuse block (at left rear side of engine compt)
W/ cruise control
W/o cruise control

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Power Door Locks Wiring Diagram for Saturn Ion Red Line 2005:

37

Ajar switch
B(+)
Bcm (pwr) fuse 15a
Body control module (bcm) (at lower center of dash)
Courtesy lamp low control
Door lock actuator lock control
Door lock actuator unlock control
Door lock/ unlock signal
Driver door latch (in top rear of driver door, near door latch)
Driver door lock actuator unlock control
Driver door lock switch
Front passenger door latch (in top rear of front passenger door, near door latch)
Front passenger door lock switch
G301 (under driver's seat)
G403 (under center of rear shelf)
Gnd
Headlamp low beam relay control
Headlights system
Horn relay ctrl
Horns system
Hot at all times
Interior lights system
Left rear door latch (sedan) (in top rear of left rear door, near door latch)
Lock
Logic
Rear compartment lid latch (in rear compartment lid)
Rear compartment lid release switch
Release actuator m
Right rear door latch (sedan) (in top rear of right rear door, near door latch)
S337 (in body harness, 7.5 cm from auxiliary power outlet breakout)
S351
S533 (w/ power windows & mirrors)
S990
Tan
Trunk release motor control
Unlock
Valet switch

POWER MIRRORS

Power Mirrors Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Power Mirrors Wiring Diagram for Saturn Ion Red Line 2005:

19

(in driver's door harness, 4 cm from outside rearview mirror switch breakout) s511
Batt
Bcm elect fuse 20a
Body control module (bcm) (at lower center of dash)
Down
Driver
Driver outside rearview mirror (front outside of driver door)
G301 (under driver's seat)
Hot at all times
Left
Left/ right
Logic
Nca
Outside rearview mirror switch
Passenger
Passenger outside rearview mirror (front outside of right front door)
Right
S533
Up/ down

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Power Top/Sunroof Wiring Diagram for Saturn Ion Red Line 2005:

15

Body control module (bcm) (at lower center of dash)
Close
G401 (under center of rear shelf)
Hot in acc or run
Limit switch
Mirrors system
Off
Open
S375
Sunroof fuse 15a
Sunroof module (left of sun visor, in headliner)
Sunroof switch
Vent
Vent off
W/ automatic day/night mirrors

POWER WINDOWS

Power Windows Wiring Diagram, Coupe for Saturn Ion Red Line 2005

List of elements for Power Windows Wiring Diagram, Coupe for Saturn Ion Red Line 2005:

15

Body control module (bcm) (at lower center of dash)
Down
Driver switch
Driver window motor (in driver door)
Driver window switch
Express logic
Front passenger switch
Front passenger window motor (in right front door)
Front passenger window switch
G301 (under driver's seat)
Hot in acc or run
Pwr windows fuse 30a
S360
S533
Tan

RADIO

Radio Wiring Diagram, with Amplifier for Saturn Ion Red Line 2005

List of elements for Radio Wiring Diagram, with Amplifier for Saturn Ion Red Line 2005:

75

(at center of rear package shelf, between rear speakers) (if equipped) vehicle communication interface module (vcim)
(at right front of vehicle) radio antenna
(in driver's door harness, 19 cm from driver's outside rearview mirror breakout)
(in right front passenger's door harness, 13 cm from right front door tweeter speaker breakout)
A10
A11
A12
Acc volt
Antenna sig
Audio amplifier (in trunk, below rear shelf)
Audio cmmon
Audio out (-)
B10
B11
B12
B7 dimming
Bare
Battery volt
Body control module (bcm) (at lower center of dash)
Case interior lights dimming
Cellular sig
Cellular telephone mute sig
Cellular telephone voice sig
Coax
Data link connector (dlc) (under lower left side of dash)
Drain wire
G201 (behind lower left side of dash, left of steering column)
G401 (under center of rear shelf)
Ground
Hot at all times
Hot in acc or run
I/p lamp sply volt
Interior lights system
L audio sig (+)
L subwoofer (+)
L subwoofer (-)
Left front door speaker
Left front door tweeter speaker
Left rear speaker
Lf spkr out (+)
Lf spkr out (-)
Logic
Low reference
Low speed gmlan serial data
Lr spkr out (+)
Lr spkr out (-)
Nca
Park lamp sply volt
Pnk
R audio sig (+)
R subwoofer out (+)
R subwoofer out (-)
Radio
Radio (acc) fuse 10a
Radio (batt 1) fuse 10a
Radio fuse 21 20a
Radio on sig
Remote radio l audio sig
Rf spkr out (+)
Rf spkr out (-)
Right front door speaker
Right front door tweeter speaker
Right rear speaker
Rr spkr out (+)
Rr spkr out (-)
S250
S401
S555
S557 (in driver's door harness, 11.5 cm from driver's out side rearview mirror breakout)
S656
S658 (in right front passenger's door harness, 5.5 cm from right front door tweeter speaker breakout)
Satellite radio circuit
Serial data
Tan
Underhood fuse block ( at left rear side of engine compt)

Radio Wiring Diagram, without Amplifier for Saturn Ion Red Line 2005

List of elements for Radio Wiring Diagram, without Amplifier for Saturn Ion Red Line 2005:

56

(at center of rear package shelf, between rear speakers) (if equipped) vehicle communication interface module (vcim)
A10
A11
A12
Acc volt
Antenna sig
Audio cmmon
B10
B11
B12
Bare
Battery volt
Body control module (bcm) (at lower center of dash)
Case
Cellular sig
Cellular telephone mute sig
Cellular telephone voice sig
Coax
Data link connector (dlc) (under lower left side of dash)
Dimming
Drain wire
G201 (behind lower left side of dash, left of steering column)
Ground
Hot at all times
Hot in acc or run
I/p lamp sply volt
Interior lights dimming
Interior lights system
L audio sig (+)
Left front door speaker
Left rear speaker
Lf spkr out (+)
Lf spkr out (-)
Logic
Low reference
Lr spkr out (+)
Lr spkr out (-)
Nca
Park lamp sply volt
R audio sig (+)
Radio
Radio (acc) fuse 10a
Radio (batt 1) fuse 10a
Radio antenna
Rf spkr out (+)
Rf spkr out (-)
Right front door speaker
Right rear speaker
Rr spkr out (+)
Rr spkr out (-)
S250
Satellite radio circuit
Serial data
Serial data low speed gmlan
Tan
Voice sig cellular telephone

Satellite Radio Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Satellite Radio Wiring Diagram for Saturn Ion Red Line 2005:

22

(behind left rear wheelwell) digital radio receiver
(on left rear of roof) digital radio antenna
Ant in (sat)
Ant in (terr)
Audio cmmon
Audio common
Bare
Battery volt
Body control module (bcm) (at lower center of dash)
C5 a
Coax
Drain wire
G401 (under center of rear shelf)
Gm lan serial data
Ground
Hot at all times
L audio sig (+)
Low speed b
Onstar fuse 10a
R audio sig (+)
Radio
Serial data

SHIFT INTERLOCK

Ignition Lock Solenoid Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Ignition Lock Solenoid Wiring Diagram for Saturn Ion Red Line 2005:

7

(behind lower left side of dash, left of steering column) g203
Body control module (bcm) (at lower center of dash)
Hot in acc or run
Ignition lock cylinder control actuator (on steering column, part of ignition lock cylinder)
Ignition lock cylinder control switch (in center console, part of a/t shifter assembly)
S355
Wiper sw fuse 10a

STARTING/CHARGING

Charging Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Charging Wiring Diagram for Saturn Ion Red Line 2005:

25

(in engine harness, 5 cm from engine harness breakout)
2.0l
2.2l
Battery
Body control module (bcm) (at lower center of dash)
Charge indicator
Cluster fuse 7.5a
Cycle sig
Engine control module (ecm) (2.2l) powertrain control module (pcm) (2.0l) (2.2l: at left side of engine compartment) (2.0l: at rear of engine, near coolant overflow container)
G201 (behind lower left side of dash, left of steering column)
G502 (at right rear side of trunk)
Gen field duty
Gen turn on sig
Generator
Gnd
Hot at all times
Instrument panel cluster (ipc)
Logic
Power distribution system
Red
S150
S250
Serial data (class ii)
Starter
Underhood fuse block (at left rear side of engine compt)

Starting Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Starting Wiring Diagram for Saturn Ion Red Line 2005:

31

5v ref
Acc
Armature m
B10
Battery
Bcm class 2 serial data
Body control module (bcm) (at lower center of dash)
Charging circuit
Clutch start switch (below left side of dash, on clutch pedal bracket)
Clutch start switch signal
Clutch/ brake fuse 7.5a
Crank fuse 46 30a
Ecm class 2 serial data
G502 (at right rear side of trunk)
Hold-in windings
Hot in acc or run
Ignition switch
Lock
Logic
Off
Off/run/crank voltage
Pcm cont relay 31
Pnk
Powertrain control module (pcm) (at rear of engine, near coolant overflow container)
Pull-in windings
Red
Run
Start
Starter
Starter relay coil control
Underhood fuse block

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Supplemental Restraints Wiring Diagram for Saturn Ion Red Line 2005:

51

(at right side of dash)
(behind lower left side of dash, left of steering column) g201
A10
A11
A12
A13
A14
A15
A16
A17
A18
Air bag fuse 10a
Air bag indicator
Body control module (at lower center of dash)
Case ground
Class 2 serial data
Coupe
Data link connector (dlc) (under lower left side of dash)
Ground
High control
Hot in run or start
Ignition
Inflatable restraint ip module
Inflatable restraint sensing & diagnostic module (sdm) (under center console, behind emergency brake)
Inflatable restraint steering wheel module (on steering wheel)
Inflatable restraint steering wheel module coil (behind steering wheel)
Instrument panel cluster
Left front seat belt pretensioner (coupe: at left front side of passenger compt, attached to roof rail) (sedan: at base of left "b" pillar)
Left inflatable restraint roof rail module (at left rear side of roof bracket, in "c" pillar)
Left inflatable restraint side impact sensor (in lower corner of driver's door)
Left seat belt switch (in left seat belt buckle assembly)
Logic
Low control
Nca
Pnk
Power steering control module
Right front seat belt pretensioner (coupe: at right front side of passenger compt, attached to roof rail) (sedan: at base of right "b" pillar)
Right inflatable restraint roof rail module (at right rear side of roof bracket, in "c" pillar)
Right inflatable restraint side impact sensor (in lower corner of passenger's door)
S221
Seat belt switch
Sedan
Serial data
Shorting bar
Signal
Solid state
Stage 1
Stage 2
Steering column assembly
Tan
Voltage

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Trunk Release Wiring Diagram for Saturn Ion Red Line 2005:

26

Ajar switch
B(+)
Bcm (pwr) fuse 15a
Bcm class 2 serial data
Body control module (bcm) (at lower center of dash)
Class2 (bcm)
Compartment light breakout)
G301 (under driver's seat)
G403 (under center of rear shelf)
Gnd
Hot at all times
Instrument panel cluster (ipc)
Interior lights system
Ipc class 2 serial data
Logic
Message center
Rear compartment lid release actuator
Rear compartment lid release switch
Release actuator
S337 (in body harness, 7.5 cm from auxiliary power outlet breakout)
S351
S990
Trunk ajar indicator control
Trunk release motor control
Valet switch
W/ rke

WARNING SYSTEMS

Warning Systems Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Warning Systems Wiring Diagram for Saturn Ion Red Line 2005:

36

A11
A14
Acc
Auto
Body control module (bcm) (at lower center of dash)
Chime
Class 2 (sdm)
Class 2 serial data
Driver door jamb switch (left front of dash, on outer trim cover)
Driver dr jamb sw sig
Exterior lights system
G201 (behind lower left side of dash, left of steering column)
Head
Hot at all times
Ign sw fuse 2a
Ignition switch
Inflatable restraint sensing & diagnostic module (sdm) (under center console, behind emergency brake)
Instrument panel cluster (ipc)
Key-in switch
Left seat belt switch (in left seat belt buckle assembly)
Left turn sig lp pwr
Lock off
Logic
Nca
Off
Park
Park fuse 15a
Park lamps pwr
Right turn sig lp pwr
Run
S221
S250
Seat belt ind
Seat belt switch
Start
Turn signal/ multi- function switch

WIPER/WASHER

Wiper/Washer Wiring Diagram for Saturn Ion Red Line 2005

List of elements for Wiper/Washer Wiring Diagram for Saturn Ion Red Line 2005:

41

(not used)
A10 c3
B11
Body control module (bcm) (at lower center of dash)
D10 c1
D10 c2
F10
F11
G101 (behind left front headlamp)
High
Hot at all times
Hot in acc or run
Int
L10
L11
Logic
Low
M11
Mist
Off
Park switch
Q10
Q11
R11
Red
S101
Underhood fuse block (at left rear side of engine compartment)
Wash
Windshield washer fluid pump (on bottom of washer fluid reservoir)
Windshield washer pump control
Windshield wiper motor assembly (at left rear side of engine compartment)
Windshield wiper motor park switch signal
Windshield wiper switch signal 1
Windshield wiper switch signal 2
Windshield wiper/washer switch
Wiper 1 relay
Wiper 2 relay
Wiper diode
Wiper fuse 19 25a
Wiper sw fuse 10a
X10