my sebring wont turn over strong enough to crank.it has new starter and battery. on 2003 Chrysler Sebring

sometimes it will start right up.So i know the battery and starter should be good.

3 answers
have you checked for water in floor or on computer. Mine is having that problem when water leaks inside to computer.
I would load test battery and check the starter draw for starters
maybe the connection is not good