starter replacement

ok guys I'm hoping you can direct me in the right direction. We just replaced the starter because it would not crank. Now it won't crank and there is a click in the fuse box. We replaced the K3 relay and still nothing. When putting the key in the instrument panel illuminates and the check...

I found some instructions on how to change the starter on my nitro but it is telling to take off things that to me doesn't make much sense. is there a good place to go to get instructions on how to replace a starter on my nitro.?? thanks!