Q: I have Chrysler 300c. Battery light came on, changed battery and alternator but power still getting drained and battery light still comes on.

asked by on October 12, 2016

I have Chrysler 300c. Battery light came on, changed battery and alternator but power still getting drained and battery light still comes on. And once it shuts off the car battery goes down to 10.5 and won't start, just clicks

Car is not starting Inspection $94.99 - $114.99 Get a Quote

Hi, thanks for writing in. This may be a sign of a failing starter relay. The starter relay is a small unit near the starter that directs power to the starter from the battery. When this fails, it may cause a clicking sound and will not allow the starter to engage the flywheel when you turn the key. I would suggest having a professional from YourMechanic come to your home to diagnose your starting issue to determine the solution to get you back on the road.

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

What do if I am stuck?
It is not uncommon for any vehicle to get stuck when driving through materials such as sand, mud, ice, or snow. If your vehicle does become stuck, there are two ways you may attempt to free your car yourself before...
Oil filter hard to get off
I have seen this before. It usually happens because the filter is over tightened when installed. Unfortunately the only was to get it off is to unscrew it. Contact a mechanic such as one from Your Mechanic, they will have...
Lights don't go out when I lock the car
The lights and other accessories are controlled by the body control module. If the module does not turn off the power to these systems, then it may be the problem. You will need to have the system tested using the...
Random no-start. Turning key and no response, I turn the key back off and turn it again and the car starts
Hey there. This is a sign of a faulty or failing ignition switch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-ignition-switch). When this begins to fail, this is usually a sign of the contacts inside the switch wearing out. When you put your key in the ignition...
Chevy equinox won't move out of drive way.
Hi there. First check the transmission fluid and make sure that it's full and red in color. If the fluid is full, then the issue could be either the transmission valve body (module) has debris inside it causing the circuits...
I disconnected the battery to clean the recepticles, then reconnected and went to start the truck.. now it won't start.
Hello. Thank you for writing in. There are several issues that may be contributing to your symptoms. The battery may be failing. If the battery is on its way out, it may be able to supply the needed energy for...
Car hesitates to start
Vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to drop below the normal...
Heat blows hot from dash vents but cold from floor/feet vents?
Hi there. This issue is commonly caused by a malfunction with the vent selection switch. In some cases, a fuse or electrical relay becomes damaged which essentially blocks the heater vents from opening and closing correctly. However, it could also...
My car won't go past 20mph. I've gotten the codes, battery, alternator check. But after jump starting battery everything is fine.
Hi there. The job of the battery is to provide electrical power to start the engine or power accessories when the vehicle is not running. When the vehicle is running, the alternator takes over the job of supplying power. Due...

Related articles

5 Essential Things to Know About Remote Starters
Remote Remote starters are great for those frigid mornings when you want to slide into a nice and toasty vehicle for the drive to work. However, before you rush out and purchase one, there are a few things you need...
Symptoms of a Bad or Failing Anti-Lock Relay
If your Check Engine or ABS Lights turn on, or you experience unexpected wheel lock, you may need to replace the anti-lock relay.
How to Care for Your Car Battery
How How to Care For Your Car Battery Your car’s battery may have been neglected if you have difficulty starting your car, and it is usually when the weather turns...