Jul 27, 2010 · This morning on the way to work, I noticed that I was getting pretty low voltage at 5k RPM: ~13.3V. The voltage seems to be fluctuating a fair bit more than it used to. Also, the voltage was back to near-normal levels around 2700RPM: ~14.4V - but still unstable (variations of +/- 0.5V) Whats frie...