Originally Posted by Chromeshadow

I think the soinoid is built into your starter, but I'm not sure. If there is one large red post and one small one, the soinoid is built in. If there is only one large red wire to the starter, follow it to the battery, you'll see a black module with three connectors on it, that would be the starter relay. Voltage on all these terminals should be over 9v when you crank the engine. Btw, it's very unlikely your battery is overcharged. Who gave you that info?