Q: Charging system warning light.

asked by on January 22, 2017

back in december my battery light and check charging system light came on, the car ended up dying, i had the alternator rebuilt, and reinstalled, the lights still come on after a charge, and i cant make it out of my parking lot, looked at the wiring today, all seems ok.. my fuse for my 'cd' is blown, as it was not before, wondering if maybe the megafuse needs replacing or should i trickle charge the battery for a day? my belt is ok, however there is a fair bit of gunky crap near pulleys and on the belt, but the tension is fine.

My car has 200000 kilometers. My car has an automatic transmission.

This may be a sign of a weak battery or a failing voltage regulator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator. The voltage regulator is a unit that regulates the charging of the battery by the alternator and maintaining a certain amperage while the engine runs. I would recommend having an expert from YourMechanic come to your location to diagnose and inspect your charging system.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

How do you work the manual rearview mirror?

Your car’s rearview mirror provides essential visibility out of the back window. However, you will need to adjust it periodically, as well as after anyone else has driven the car. Here’s what you need to do: Grasp the mirror...

Radiator leaking

Hi there. Sounds to me that you will need your radiator swapped out for a new one. Some supplementary things that go along with this repair are: a new water pump, radiator cap, hoses, and also a new thermostat. This...

Fixed Timing Chain Guide Bolt Threads Stripped

If the bolt threads are stripped and the hole is enlarged for the timing chain guide bolts then you will need to install a thread repair insert. You will have to follow the thread repair kits instructions by drilling out...

Related articles

2012 Chevrolet Malibu vs. 2012 Ford Fusion: Which One Should I Buy?
When you want a midsize sedan, you’re looking for something that will offer you the best fuel economy for the size as well as additional safety features that will keep your family safe while you’re driving across town or around...
2005 Jeep Wrangler vs. 2005 Chevrolet Blazer: Which One Should I Buy?
Sport SUVs are a class all of their own; these vehicles are meant for a fun drive through the woods and across the trail – but not necessarily to Grandma’s house! Think instead about going through the creek and through...
The Best Used Cars to Buy If You're an Undercover Cop
If If you're an undercover cop, when you choose a used vehicle, your main purpose is to look like anything but a cop. That means, of course, that an unmarked Crown Victoria is probably not the wisest choice. We’ve...