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Old 12-21-2009
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Knotmeter- Clarification needed

The patient: '69 Coronado 25.

Ok guys, help me out here.

For the first time, I opened up the storage locker under the quarter-berth. Inside, I found what looks like a red, thru-hull plug with a funny little egg-beater thing on the end, and a small cable poking out of the top. I had an odd feeling, and climbed up into the cockpit and watched the knotmeter dial while I spun the egg-beater. Yup, the knotmeter needle moved. WHERE the heck is this thing supposed to plug in??

I have a sinking feeling about this: Under the galley sink, there is a thru-hull for the sink/icebox drain. Right next to that, is a red cap plugging off another unused thru-hull that looks just like the red knotmeter cap except that it has no provision for a wire, and instead has a metal grab-ring. It's just a plug/cap.

Does the knotmeter egg-beater plug in where this red cap is under the sink? How the heck am I supposed to swap them out without flooding the boat?!
It seems that I have a perfectly working knot-meter and no way to deploy the flow sensor!
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