For example, yourcar battery could be dead.
Batteries can sometimes run electronic devices on a low charge.
Headlights, radios, and other car electronics draw very little amperageusually no more than 20 to 30 amps.
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If the battery tests low with a hydrometer or fails a load test, it must be charged.
The problem is solved if it accepts a charge or a jump from another battery and the vehicle starts.
Check your car’s manual to find the location of the fuse box, then open it.
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With no power running in the vehicle, inspect the fuse for a metal wire.
If the fuses are in good shape, the car’s ignition switch is faulty.
Diagnosing and fixing a broken ignition switch is more complicated than checking for a blown fuse.
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However, sometimes, starters die a silent death.
Don’t rule out the starter just because you don’t hear anything.
To find out for sure, hire a mechanic.
Check for ground and power at the head unit.
For a quick fix, disconnect the battery, remove the headlight fuse, and remove the headlight relay.
