Replace new battery on mazda pick -up still won't start

@nancyvertudez what year is your 626? Does it have an automatic or a manual transmission?

You replaced the battery so we have a known-well starting point to help you with this. Do your headlights turn on? Does the engine turn over when you try to start? We really would need to know more specific. So tell us as much as possible about what happens when you try to start your Mazda