Battery Light Aglow, Car Humming Unraveling the Mystery

Thats because when the car is off, the alternator isn't charging. It's supposed to do that when there is no current running from the alternator ... When the car is running the alternator puts out somewhere around 13.8 volts. If your alternator goes bad then your car will run off the battery ... Learn what causes your dashboard battery warning light to come on, and what to do about it. If this light remains lit after you start the ... One of the things that can cause the battery light to come on is a bad voltage regulator in the alternator. As stated, I believe that it's charging the battery ... If it restarted again, that implies the battery is still being charged. I'd go with a dodgy ignition switch or loose connection between it and the battery. It is not common but corrosion can set in inside the battery cable sheath at the battery terminals and cause all sorts of issues with an ... the car runs fine but the light stays on please help? ... mine does the same thing... along with the oil light.. ... check the battery voltage with ... The battery is discharged or weak. · The battery cables are loose. · There's too much acid corrosion on the battery terminals. · The alternator is ... Sometimes the battery light will come on when you start your car, but then the light will quickly flick off. If this is the case, pay it no mind as it's a ... Tangent but perhaps related: In one of the not-a-Honda cars I casually chased a similar issue for a while. ... The problem turned out to be ...