no crank dead

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...

Driving down the HWY at HWY speeds my nitro just died, after 3 months it still won’t start Turn key and all accessories turn on and batt Is good. But no turn over at all. The fuse box relays click when key is in "on" position, but no start or crank. I have tried to read codes and it says...