How You Know When Your Car Battery Is Dead. If your engine light comes on youll need to check the battery voltage with a Voltmeter. When your car is switched on it generates energy through the engine.
If your engine light comes on youll need to check the battery voltage with a Voltmeter. This is the telltale sign. A battery is charged continually by the.
However if the battery isnt dead you might have a bigger problem on your hands.
View this post on Instagram. A vehicle with a weak or dead battery cant supply the power needed to start the engine. A little basic knowledge about how your car battery works and what to do when it fails can get you back on the road as quickly as possible. There are numerous reasons a check engine light might come on a dead battery being one.
