Fsm It's the fuel system module It's a black casing where your fuel goes in. It's about 9 to ten inches long about eight inches wide two and a half inches thick. Look it up. You have to open it up. Pull out the pumps and touch them to a 12 volt battery. On you tube.
I have A 115 horsepower 4 stroke mercury engine. It keeps blowing the 15 amp fuse in the motor. Ran great than at the end of the day it kept blowing fuses. Today I was working on the negative side of the battery trying to eliminate any ground problems. Would you know it I could not get it to...