Optimax 135 blows 20 amp fuse

[farmingtonminnesota]

I just put the battery in the boat and tried to start it up and it blows the 20 amp fuse. Checked the battery and is good and connected properly. Whats the next step?

Thanks

 

[verado7]

Re: Optimax 135 blows 20 amp fuse

test starter current draw , could be a tight starter .