Blown fuse on 2001 Merc 200 Optimax on a 2001 Lund 1950 Tyee

by Mitch M
(Corcoran MN)

With the Master Power on, the 20amp fuse on the engine block will blow intermittently when the engine is running. It only blows when the engine is running or I try to start the engine. If I leave the Master Power off it does not blow the fuse on the engine at any time, but I have no electronics on the boat for navigation. I can turn the Master Power on while using the trolling motor to fish and use the electronics without any problems, but I will have to turn it off before I start the engine.


Any insight would be greatly appreciated.

Regards,

Mitch

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