Harness Routing Views. Saturn ION 2003

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2003 🢒 ION 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Harness Routing Views

Figure 1:

Left Rear of the Vehicle


(1)	Rear Window Defogger Grid
(2)	Inflatable Restraint Roof Rail Module Left (ASF)
(3)	C375

Figure 2:

Rear Shelf of the Vehicle


(1)	Speaker - RR
(2)	Speaker - LR
(3)	G401/SP401
(4)	G403/SP403

Figure 3:

Left Side of the Engine Compartment (2 of 2)


(1)	C161
(2)	G109
(3)	Body Harness

Figure 4:

Right Front Door


(1)	C604 (A31/DG7)
(2)	C602 (AU3) or C608 (w/o AU3)
(3)	C200
(4)	C218 (ASF)

Figure 5:

Left Front Side of the Vehicle


(1)	C501 (AU3) or C507 (w/o AU3)
(2)	C503 (A31/DG7)
(3)	C201
(4)	Body Control Module (BCM)
(5)	Auxiliary Power Outlet - Rear
(6)	G301

Figure 6:

Center of the I/P (UE1)


(1)	Radio
(2)	C340

Figure 7:

Headliner Wiring Harness


(1)	Inside Rear View Mirror C1 (C74)
(2)	Inside Rear View Mirror C2 (C74)
(3)	Sunroof Switch (CF5)
(4)	Sunroof Module (CF5)
(5)	Dome Lamp
(6)	C375
(7)	Center High Mounted Stop Lamp (CHMSL)
(8)	C380 (UE1)

Figure 8:

Vehicle Rear Gate


(1)	Rear Component Lid Latch
(2)	License Lamp
(3)	C401

Figure 9:

Right Rear Side Under Vehicle


(1)	C406 (Fuel Controls)
(2)	C406 (EVAP Controls)
(3)	Evaporative Emission (EVAP) Canister Vent Solenoid

Figure 10:

Left Rear Side of the Vehicle


(1)	C401
(2)	C491, C490 Similar on Right Side

Figure 11:

Left Front Door (Coupe)


(1)	Door Lock Switch - Driver (AU3)
(2)	Outside Rearview Mirror - Driver (DG7)
(3)	C503 (A31/DG7)
(4)	C501 (AU3) or C507 (w/o AU3)
(5)	Speaker - LF Door
(6)	Window Motor - Driver (A31)
(7)	Outside Rearview Mirror Switch (DG7)
(8)	Window Switch - Driver (A31)
(9)	Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)
(10)	Door Latch - Driver (AU3)

Figure 12:

Rear Shelf of the Vehicle (UE1) - Sedan


(1)	Cell Antenna Coaxial
(2)	C380 (UE1)
(3)	G401 (UE1)
(4)	Vehicle Communication Interface Module (VCIM) C1
(5)	Vehicle Communication Interface Module (VCIM) C2
(6)	Cellular Coaxial
(7)	Global Positioning Satellite (GPS) Coaxial
(8)	Global Positioning Satellite (GPS) Antenna (UE1)

Figure 13:

Front Left Side of the Engine (M75)


(1)	Ignition Control Module (ICM)
(2)	Fuse Block Under Hood (FBUH)
(3)	Engine Control Module (ECM)
(4)	Transmission Control Module (TCM)
(5)	C100
(6)	G105
(7)	Engine Oil Pressure Switch
(8)	Crank Shaft Position Sensor
(9)	Knock Sensor (KS)
(10)	Fuel Injectors Rail
(11)	Manifold Absolute Pressure (MAP) Sensor

Figure 14:

Right Front of the Inside Vehicle


(1)	C216
(2)	Blower Motor
(3)	Blower Motor Resistor Assembly

Figure 15:

Lower Center of the I/P


(1)	Body Control Module (BCM)

Figure 16:

Left Side of the Engine (M43)


(1)	Park Neutral Position (PNP) Switch
(2)	Vehicle Speed Sensor Output (VSS)
(3)	A/T Input Shaft Speed Sensor (AT ISS)
(4)	C100

Figure 17:

Right Front of the Vehicle (T37)


(1)	C110
(2)	Fog Lamp RF

Figure 18:

Left Side of the Engine Compartment


(1)	C121 (DF5)
(2)	G101/SP101
(3)	Electronic Brake Control Module (EBCM) (JM4/JL9)
(4)	Engine Control Module (ECM)

Figure 19:

Left Front Side of the Vehicle


(1)	Windshield Washer Fluid Pump
(2)	Horn
(3)	Fog Lamp - LF

Figure 20:

Left Front of the Vehicle


(1)	C111 (Sedan), C110 Similar on Right
(2)	Park/Turn Signal Lamp - LF (Sedan), RF Similar
(3)	Headlamp - Left (Sedan), Right Similar
(4)	Headlamp - Left (Coupe), Right Similar
(5)	Park/Turn Signal Lamp - LF (Coupe), RF Similar

Figure 21:

Body Rear End


(1)	Battery

Figure 22:

Left Side of the Engine


(1)	Evaporative Canister Purge Solenoid
(2)	G105

Figure 23:

Right Front Side of the Engine (2.2L)


(1)	Idle Air Control (IAC)
(2)	C150
(3)	Generator
(4)	Generator B+
(5)	Throttle Position (TP) Sensor
(6)	Intake Air Temperature (IAT)