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.
2004 Saturn Ion Red LineFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Grounds
GROUNDS LOCATION
| Component | Location |
|---|---|
| G101 | Behind left front headlamp. See Figure. |
| G103 | At lower left front side of engine compartment. |
| G105 (2.2L) | On lower left rear of engine, above starter. See Figure. |
| G109 | At left rear side of engine compartment. |
| G201 | Behind lower left side of dash, left of steering column. |
| G203 | Behind lower left side of dash, left of steering column. |
| G301 | Under driver's seat. |
| G401 | Under center of rear shelf. See Figure. |
| G403 | Under center of rear shelf. See Figure. |
| G502 | At right rear side of trunk. |
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.