What is This Part For?

Miroash

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Joined
Jul 15, 2009
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126
I just purchased a used boat (1988 Seaswirl B/R) on the transom there is a plastic piece that looks similar to the trim tab on an outboard and it has a plastic tube that connects to it. the tube goes to the top of the transom then goes into the transom and from there I have not traced where it goes yet. I was thinking it must go to the "Speedometer" is this correct? how does it work, my speedometer does not work right now. I will add pictures tonight.
 
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