Battery Light's False Signal Car Runs Without Fault

The alternator turns on the battery light but If I were you I would replace the light first. Or you can test the light by grounding the brown/ ... 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 ... Don't unplug the battery while the car is running. Almost positive you'll need a new alternator. Keep driving it and you'll know for sure: The ... 1. Alternator or Voltage Regulator Problem · 2. Loose or Corroded Battery Cable · 3. Old, Discharged, or Weak Battery · 4. Faulty Wiring in the ... Or if it starts in the morning with no other issues then am I fine? I haven't tried to start my car since I got home around 6 this evening. Just ... 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 ... When investigating a flat battery or other potential issue you should always check the voltage with the engine running to make sure the ... A defective battery, a defective alternator, defective wiring, something loose (like a nut holding a couple of wires to a terminal), etc. The car starts fine but the dash shows a "service battery charging system" message and the battery symbol/light is on. It can be due to the circuitry of the alternator. Or it can be due to a mismatch. Warning light circuit is looking for a certain resistance but ...