Battery Light's Falsehood Car's Unwavering Performance

Have you ever been met with the dreaded battery light on your dashboard, even though your alternator seems fine? You're not alone! 1. Alternator or Voltage Regulator Problem · 2. Loose or Corroded Battery Cable · 3. Old, Discharged, or Weak Battery · 4. Faulty Wiring in the ... It will also cause the battery light to come on because the alternator won't be charging. As the battery dies, the other lights may appear and ... 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 ... 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/ ... Could the cable from the light to the alternator be down to earth (unlikely in a fibreglass car but you never know)? ... running - light comes on Check the PCM for fault codes, there are other charging system problems that can cause the charging system light to illuminate. 1 Like. That failure mode could be caused by a number of faults, One could be simply a slipping belt condition, which is easily fixed. Take a close look ... The car runs fine. It all started when I replaced my consumer ... But I don't drive the car. Whenever I leave the car for few days it's ... ... 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.