Alternator Repair Naperville IL

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Reader Question: I was driving my 1999 Ford Ranger Sport 3.0 to work one day last week. My bright lights cut off. I then switched to dim lights and they worked fine.

I also noticed that the battery light came on and the battery level indicator went to High. My truck ran fine until I came home later that day and overnight the battery went dead.

I put it on charge for a few hours and it would never get a charge. I thought it may be just the battery itself so I took it to Wal-Mart and swapped it for another battery.

After that, I put the new battery in my truck and the same thing happened. There was no bright lights and high voltage on battery. I do not think it is the alternator because when I turn the truck on the interior lights gets brighter and when I turn it off, they get dim. Therefore, that should mean that the alternator is creating power when running.

I am not an experienced mechanic so I do not know what it could be.

Please help me out.

Thanks.

Hey there,

That kinda does sound like a charging system type of problem. I would suggest you visit a real mechanic shop (not Wal-Mart) or if possible, a starter and alternator rebuilding shop in your area for a complete electrical system test.

You probably have an internal problem with the voltage regulator inside the alternator. Getting your alternator rebuilt or exchanging it for a rebuilt unit would be the most economical option for you.

Personally, I have not seen this exact complaint in my shop, so if the repair is not an alternator problem please let me know so I can update this post to help the next person.

Blessings,
Austin Davis

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