Battery Warning Light Winking? Decipher Electrical System Mysteries

Your issue could be the alternator itself or the voltage regulator (a module within the alternator, which generates the signal to the DRL and A/ ... Replace the alternator, stick the battery on charge for 24 hours and you should be good to go. If the light comes off and I shut the car off and restart without actually going anywhere, the light will usually go away. I can't find any ... 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 ... When investigating a flat battery or other potential issue you should always check the voltage with the engine running to make sure the ... It's more than likely that your alternator is bad. As has been said, that idiot light is an under-voltage indicator. The car will run fine for a ... Use a multimeter and check the alternator while the car is running. If the alternator is less than 13 volts than the alternator is crap. The ... 1. Alternator or Voltage Regulator Problem · 2. Loose or Corroded Battery Cable · 3. Old, Discharged, or Weak Battery · 4. Faulty Wiring in the ... 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 ... It's the alternator. Just take it in to any auto parts store & they'll check it to be sure. Battery light coming on is indicative of a failing ...