Skip the auto shop - Our mechanics make house calls

Q: Battery light comes on and off replaced battery and altenator tested good at AutoZone?

asked by on

Went to AutoZone and had car checked out altenator good and battery was bad so changed battery but battery light keeps coming in and off....what else could be the issue

My car has 115000 miles.
My car has an automatic transmission.

A: If the battery is new and good, and the alt...

If the battery is new and good, and the alternator is good and charging, the problem may actually be in the ignition switch. If you have another key, try using that one. Also, check your VIN number on safercar.gov to see if any ignition switch recalls are open on your vehicle before having it replaced.

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!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Clicking sound when starting

The rapid clicking is generally an indication of a battery that is either drained or going bad. The battery will need to be charged and load tested to determine whether or not it is good. If the battery tests good...

Q: Car has knock in the motor and won't start.

It sounds like your engine may be seizing up due to low oil. I would first recommend checking the engine oil to ensure its proper level. If the oil is low this could be your problem. If the engine is...

Q: I am having trouble finding an oil pan gasket for this vehicle.

The lower oil pan on your Pontiac Sunfire does not use a gasket but a 2mm bead of silicone sealer all the way around. Do not over apply sealer or you will cause sealer to get caught in oil pick...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
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...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...