Skip the auto shop - Our mechanics make house calls

Q: Alternator is not charging after being rebuilt

asked by on

I had my alternator rebuilt and it still not putting out power
My car has an automatic transmission.

Hello, thanks for writing in. For an issue like this you should have a certified technician, like one from YourMechanic, come out and do a thorough starting and charging system check along with an evaluation of the the electrical system to find out why the vehicle is not charging. It would help us better diagnose your problem if you include your vehicle information in any future questions. Feel free to resubmit another question with the appropriate details if you’d like a second opinion, best of luck.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Alternator is not charging after being rebuilt

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

Q: Car not starting

Hi, what happens when you turn the key? Batteries tend to wear out around the 5 year mark so if this is still the original battery it probably needs replacing. The best way to check the battery is to hook...

Q: Opinion on installing subwoofers in a car

It turns out the worst sounds are the low-frequency ones. These can be bad for your ears. It's not going to hurt the car at all. If you wire them correctly, you're going to need bigger set of batteries...

Q: I was driving and my car started to slow down, and my gas pedal wouldn't work, and all the signs came on and the car light was flickering

Hi, thanks for writing in. It sounds like your battery has crashed. When the system voltage drops below a certain point, the electronics go haywire. The alternator is supposed to maintain the battery voltage at around 14 volts, and I'm...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.