won't start-after battery was replaced on 2004 Kia Spectra

where can i find the ignition switch and how do i know that it is bad?

Asked by for the 2004 Kia Spectra
If your vehicle is not starting, there are several tests that can be performed, but it depends on if the engine is cranking over or not, and what type of vehicle you have.
Can you be more specific on what it is doing?
it is a 2004 kia spectra