richg99 said:Nope...perhaps the 50 amp ( if that is what your manufacturer calls for...not too big nor too small) will be fine for the trolling motor.
But, your 9.9 outboard clearly doesn't need that big of a breaker. What do you think will happen if your wiring to your 9.9 shorts out? It is SMALL gauge wire. That wire will fry like an egg and set something on fire....Why??? Because the wayyyy tooooo biiggg breaker wouldn't break. It wouldn't even know that the wire was hot.
Match the fuse to the wire and the device for which it is intended to be used.
Just my opinion. I do not consider myself an expert in electricity or much else.
richg99
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