Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Saturn Relay AWDFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Switches
SWITCHES LOCATION
| Component | Location |
|---|---|
| Automatic Level Control (ALC) Inflator Air Switch | In left rear interior body panel. See Figure . |
| Brake Fluid Level Switch | At left rear of engine compartment, in master cylinder fluid reservoir. See Figure . |
| Door Contact Plate - Left C1 | In lower rear of left "B" pillar. See Figure . |
| Door Contact Plate - Left C2 | In lower front of left sliding door. See Figure . |
| Door Contact Plate - Right C1 | In lower rear of right "B" pillar. See Figure . |
| Door Contact Plate - Right C2 | In lower front of right sliding door. See Figure . |
| Door Jamb Switch - Liftgate | In bottom middle of liftgate. See Figure . |
| Door Lock Switch - Driver | Mounted on left front door trim. |
| Door Lock Switch - Passenger | Mounted on right front door trim. See Figure . |
| Driver Door Key Switch | In rear center of left front door. See Figure . |
| Engine Oil Pressure (EOP) Switch | Front center of engine block, above starter. See Figure . |
| Heated Seat Element-Passenger Cushion | In passenger's seat element. See Figure . |
| Hood Ajar Switch | Upper center of radiator support, on hood latch. See Figure . |
| Ignition Switch | On top lower steering column under cover. See Figure . |
| Internal Mode Switch (IMS) | Inside automatic transmission. |
| Lever Assembly-Manual Shaft Detent W/Shift Position Switch-Internal Mode Switch (IMS) | Top of transmission assembly. See Figure . |
| Lift Lower Limit Switch | In Sit-N-Lift(R) seat base. |
| Lift Upper Limit Switch | In Sit-N-Lift(R) seat base. |
| Park Brake Switch | On park brake assembly. See Figure . |
| Seat Belt Switch - Left | In driver seat belt buckle assembly. See Figure . |
| Seat Belt Switch - Right | In passenger seat belt buckle assembly. See Figure . |
| Sliding Door Detent Switch - Left | Inside left sliding door. See Figure . |
| Sliding Door Detent Switch - Right | Inside right sliding door. See Figure . |
| Sliding Door Jamb Switch - Left | On lower left "C" pillar. See Figure . |
| Sliding Door Jamb Switch - Right | On lower right "C" pillar. See Figure . |
| Sliding Door Open/Close Switch - Left | On left "B" pillar. See Figure . |
| Sliding Door Open/Close Switch - Right | On right "B" pillar. See Figure . |
| Swivel Inside Limit Switch | In Sit-N-Lift(R) seat base. |
| Swivel Outside Limit Switch | In Sit-N-Lift(R) seat base. |
| Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly | In transmission valve body. See Figure . |
| Turn Signal/Multifunction Switch | On left side of upper steering column. See Figure . |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.