Battery Light Illuminates, Car Performs Impeccably A Mystery

If you are saying that the battery light was on when the engine wasn't running that is normal. The alternator can't charge the battery when the ... It seems like the only possible sources of this problem are: loose belt (I don't think so), bad ground (seems ok, but maybe not), bad alternator ... There will be warning lights still, but the battery light will be off. If you rep the engine over 4,000 RPM, then the battery light will come ... Troubleshooting Tips for Battery Light On But Car Runs Fine ; Battery Light On, Loose or Corroded Battery Connections, Check battery connections ... If your alternator reads 14.6v while running then there's nothing wrong with your alternator. Your problem is some where else. Putting a new ... The battery is discharged or weak. · The battery cables are loose. · There's too much acid corrosion on the battery terminals. · The alternator is ... ... but now the battery light is on. I tested the battery with a meter. It's fully charged when off and reads over 14 V when the car is running. If your battery light is on but your car still runs, you may have loose or corroded battery cables, or there are issues with the alternator or ... Since the battery isn't discharging while the truck is sitting probably the diodes are fine. Voltage regulator should not be very expencive, so ... 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 ...