System Voltage Low
Dim headlights/interior lights, Slow cranking on start, Battery/charge warning light, Electrical accessories acting up
| Job | Range |
|---|---|
| Clean terminals + test battery (DIY) | $0–$20 |
| Battery replacement | $120–$250 |
| Alternator replacement (shop) | $300–$700 |
These percentages are general patterns, not a diagnosis for your specific vehicle. Have a technician scan your car to confirm which component is actually failing.
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