"Orval Fairbairn" > wrote in message
news
>
> It could also be a battery on its last legs. I have experienced this
> phenomenon on several cars I have owned over the years. Sometimes the
> battery will short out internally; then the short will go away -- for
> awhile.
OP claimed that the lights were bright and did NOT dim upon trying to crank.
That implies a good battery and battery terminal connections.