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.
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HOMESERVICE MANUALSSATURN2000LW2 V6-3.0L VIN RREPAIR AND DIAGNOSISLIGHTING AND HORNSHORNTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSGROUNDS
2000 Saturn LW2 V6-3.0L VIN R
Grounds
2000 Saturn LW2 V6-3.0L VIN RSECTION Grounds
Before checking the ground circuit from the faulty component all the way to the ground stud, check the circuit from the splice pack to ground by testing some of the other subsystems grounded by the same splice pack. If the other subsystems function properly, the path from the splice pack-to-ground is good.
Ground: 150
Location: Horn connector cavity B to forward lamp ground splice pack cavity G
IMPORTANT: Due to manufacturing process the cavity shown on the schematics may not match the harness. If the following circuits are operating normally, the ground is most likely good.
- Side Marker Lamps
- Park/Turn Lamps
- Cooling Fan
- Auxiliary Pump
- Foglamps
Check for OPENS/SHORTS.
Repair as needed
Ground: 550
Location: Connects horn switch through the LIPFB cavity C11 through the roll connector cavity E.
If the following circuits are operating normally, the ground is most likely good.
- Trunk Release
- Wipers
- Glove Box Lamp
- HVAC
- Headlamp Switch
Check for OPENS/SHORTS.
Repair as needed
Ground: 150
Location: Horn connector cavity B to forward lamp ground splice pack cavity G
IMPORTANT: Due to manufacturing process the cavity shown on the schematics may not match the harness. If the following circuits are operating normally, the ground is most likely good.
- Side Marker Lamps
- Park/Turn Lamps
- Cooling Fan
- Auxiliary Pump
- Foglamps
Check for OPENS/SHORTS.
Repair as needed
Ground: 550
Location: Connects horn switch through the LIPFB cavity C11 through the roll connector cavity E.
If the following circuits are operating normally, the ground is most likely good.
- Trunk Release
- Wipers
- Glove Box Lamp
- HVAC
- Headlamp Switch
Check for OPENS/SHORTS.
Repair as needed
RENDER: 1.0x
NO RELATED
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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.