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.
2002 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Grounds
GROUNDS LOCATION
| Component | Location |
|---|---|
| G100 | Negative battery cable, on top of right frame rail. |
| G101 | Top left front of radiator support. |
| G111 | Top right of engine, below ignition control module. |
| G113 | On transaxle stud, near starter. |
| G117 | On transaxle stud, above G113. |
| G151 | On top of left frame rail, near G151. See Figure. |
| G171 | On top of left frame rail, forward of left front strut tower. |
| G201 | Under dash, to right of steering column. |
| G202 | Under dash, in center. |
| G203 | Under dash, to right of steering column. |
| G301 | Below driver's door opening, rear of left "A" pillar. |
| G302 | Below passenger's front door opening, rear of right "A" pillar. |
| G309 | On right "C" pillar. |
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.