Which relay is most common to prevent car from starting

What is your question?

The dash lights come on, but the motor does not turn over at all. I replaced what I was told was a bad battery and then changed an alternator which I later found it was not bad. Since I changed out with a new alternator it will not turn over and start like it was before. The first thing I did was change out the battery and that fixed the problem for about 8 to 9 days, but the battery was not being charged while running. I checked it with a voltage meter. I could charge the battery and it would run fine for a while till the battery ran down in several days. The battery in the trunk tested good. At this time I feel like there was nothing wrong with my old battery or alternator. I think it is a relay or something like that. The car has 19,000 miles and has been well taken care of.

What makes this problem better or worse?

Not sure

How long has your 2014 Chevrolet Malibu had this problem?

about two weeds now