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[180sport]

I have a 2004 searay sport 180 with a 3.0 mercuiser. I recently changed the alternator, and when I went to start engine NOTHING. no power to anything except my power trim still works. No power to fuse panel under dash or anything.

 

[Bondo]

Ayuh,.... Welcome Aboard,.... Did ya disconnect the batteries when changin' it,..??

My guess is, ya missed a wire or two, or ya blew the little square lawyer fuse mounted 'tween the battery cable, 'n starter's solenoid,...