Rick's Free Auto Repair Advice

Posts Tagged: dim headlight

Fix a dim headlight

What causes a dim headlight? Most people think a dim headlight is caused by a problem on the power side of the circuit where the dim headlight isn’t getting enough power. That’s almost never the cause. The power connectors for headlights are usually well protected against the elements. The connectors often have a silicone seal to keep them dry and corrosion-free. But the ground connection is just the opposite. Carmakers use the body as the return path for the headlight circuit. The ground wire is usually bolted to a metal … Read More

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