Undo them and clean the positive. While they may not look dirty like what your used to in the older top mounted batteries.Jjust a little bit of corrosion can cause this no start problem even with a good battery. There can be enough resistance to keep it from starting but yet your lights etc will work.[/list]

just got back in from a long weekend....got the batt charged up a bit b4 I left and then took to to the store....tested bad, so I got a new one and my baby is back to normal again