Q: I just put a new alternator and battery and it still comes on what to do please help

asked by on

I put in a new alternator and battery and the check charge system lite still comes on
My car's transmission is unknown to me.

Hello, thank you for writing in. The first step is to make sure all battery cable and alternator connections, are clean, dry, and tight. The second test is to have the vehicle scanned for diagnostic codes, in case there is a code that pertains to the charging system that can help you with diagnostics. This can be done by a technician or at most automotive parts stores (usually for free). The next step at this point would be to test the new battery, alternator, and the alternator’s voltage regulator. You may also be having issues with your drive belt, as it is what powers the alternator off of the engine. Make sure the belt is tight, and that the entire drive belt system is working properly. If the belt is loose, or if another pulley is robbing power from the system, the alternator may be the first place you notice issues. For more help, contact our service department to schedule an appointment.

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
  1. Home
  2. Questions
  3. I just put a new alternator and battery and it still comes on what to do please help

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: Why am I losing compression on cylinder #4 on my 2006 Mazda 6

Hi there. If you are feeling air pressure coming out of the engine in this area then you have a problem with warpage or a crack that is not seen. Once everything is put together and torqued then you should...

Q: Q: Charging system warning light.

Hi There, This may be a sign of a weak battery, a failing voltage regulator or failing alternator. The alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine...

Q: Car lock symbol is on my Chevy hhr and while driving my garage for the rpm, mph, and temperature will fall

What you are describing is an electrical malfunction. Although multiple gauges are affected, the underlying fault may be common; the wiring diagram would be your guide to the possibility of a common failure point such as a relay, terminal, and...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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.