battery went dead overnight
boosted it and it went drove 1/4 mi and it shut off hooked 2amp charger to it 1hr later started and then shut car off again left charger on it for another 2 hr. charger showed full charge took it off 1 hr laterit wouldn't start . changed battery and noticed a small spark when I hooked up the Ground cable. (I think everything was turned off) it started and I drove 1/4 mi 3hr later lights come on but starter clicks (low battery)
How can I check for short somewere?
were do I start