hey every one , i just have a few questions that i hope some one can help me with , i have attached 2 photos to help , the motor is a 1984 50 hp Johnson serial # J50TLCM im looking for the part # for the nut on top of the actuator for the power trim in the one pic & the second pic , is of a fuse on the back side of the motor , it keeps blowing & im not sure why ? can any one tell me what its for & why it might be popping ?? thanks for any help or suggestions