my 2001 intrpeid won't start it won't seem to hold a charge i have a new battery and we hooked it up to a charger but doesn't do anything...it will boost and run but won't start again without a boost...lights come on and bells rings but she won't even turn over for me...does anyone know whats wrong without me draggin it to my mechanic for way too much please

 

Check the battery terminals.Had the same problem with mine ended up being a broken pos(+) terminal,replace both save yourself a headache later on down the road.