Fuse? Check the plug wires for power and a good ground connection, and if none, then trace it back. Best of luck, and welcome to the forum.
The Factory Service Manual (FSM) is available on the home page of this site. Be sure to download it, at no cost. Cheers!
1979 CB750K (sold, 2012, but not forgotten)
1983 Kawasaki 440 LTD Belt Drive (sold, 2011)
1993 Kawasaki Voyager XII