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1991 200hp saltwater series electrical problem

3

30adad

New member
I have a 1991 200hp yamaha and every time I crank the motor and let it sit for a few minutes it blows the in-line fuse at the starter. It doesn't blow the fuse just from turning the key over it only blows after engine is ran for a few minutes and shut off
 
I would start by trying to track down the electrical circuit diagram for your motor. If you are lucky you will be able to find one on the Net somewhere. Once you have it take a look at all the things that are protected by that fuse and start to test them one by one. Also check all your wires for sections where the insulation has worn away allowing the wire to contact with the grounded casing, possibly through vibration once it is running.

Stuart
 
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