92 Mercury 115 4 cylinder electrical problem

[Coastal marine]

I have a not spark issue one day it will run fine next day no spark on any cylinder if it does not start if a wait 20 mins it will start for a split second if I wait a day it will start back up it seems when it gets warm it dies but it has done it cold to so I don't know normally it works or it don't please help thanks

 

[Faztbullet]

Go to CDI and download the manual and troubleshoot the ignition system...it either going to be a keyswitch, switchbox or stator..

 

[Coastal marine]

By switch box do you mean power pack? Or key switch