Originally Posted by extreme69
When i am at idle my volts gauge says 12 volts, when my foot is on the gas it says like 17 volts.
You need a voltage regulator.
You should be more concerned about the 17V than than the 12V. The battery by itself should be 12.6V. At idle you have essentially nothing coming from your alternator. The maximum voltage should never go over 14.5V or at the most 15V. More than that and you risk burning up things including the battery. If yours goes to 17V then the VR is not doing its job. It would appear to be stuck and causing too little charge at idle and way too much at higher RPM. It should adjust the charge rate as you change RPM to maintain something close to 14 - 14.5V A little bit outside that range isn't really bad, but NOT 17V.